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Revised Pay Adjustment Factors for HMA and Concrete Pavements

1.

2014 ... Prasad Buddhavarapu [and four others] · The current pay adjustment system for HMA production, placement, and ride consistently rewards contractors, but does not necessarily result in improved performance of constructed HMA pavements and longer service life. The current system needs to be changed in order to improve

6675-1 [CTR] ... FHWA/TX-14/0-6675-1

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6675-1.pdf
3.1 MB
______________________________________________________________________________________________________

Evaluation of the Benefits of Diamond Grinding of CRCP : Final Report

2.

2014 ... Prasad Buddhavarapu [and three others] · This report outlines the testing and evaluation of a continuously reinforced concrete pavement (CRCP) on IH35W near Fort Worth rehabilitated using diamond grinding instead of applying an asphalt overlay to extend the serviceability of the old concrete pavement. Surface

9046-01-1 [CTR] ... FHWA/TX-13/5-9046-01-1

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/5-9046-01-1.pdf
1.2 MB
______________________________________________________________________________________________________

Flexible Pavement Narrow Widening Best Practices and Lessons Learned

3.

2014 ... Maria Burton [and six others] · The Texas Department of Transportation (TxDOT) has experienced problems with construction quality and performance on narrow widening projects (i.e., projects that notch and widen pavement to increase lane width 2–8 ft or add a 2- to 5-ft shoulder). Texas has approximately 64,000 lane-

6748-2 [CTR] ... FHWA/TX-14/0-6748-2; Product 0-6748-P1; Product 0-6748-P3

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6748-2.pdf
14.5 MB
______________________________________________________________________________________________________

0-6748, Best Practice for Flexible Pavement Structure Widening Projects

4.

[2014] ... Research Performed by: Center for Transportation Research; Research Supervisor: Mike Murphy; Researchers: Maria Burton · "The Texas Department of Transportation (TxDOT) has experienced problems with construction quality and performance on narrow widening projects (e.g., adding a 2- to 5-ft shoulder)... due to

6748 PSR [CTR] ... 0-6748-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/psr/0-6748-s.pdf
102 KB
______________________________________________________________________________________________________

Field Evaluation of Automated Distress Measuring Equipment

5.

2014 ... Pedro A. Serigos [and four others] · Project 0-6663 Phase 2 involved evaluation of the TxDOT automated visual distress 3D laser system van and three automated systems developed by automated visual distress data collection vendors. The research team selected 20 test sections in the Austin and Waco Districts

6663-2 [CTR] ... FHWA/TX-14/0-6663-2

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6663-2.pdf
86 MB ***large file, may take time to download
______________________________________________________________________________________________________

Recommendations for Selection of Automated Distress Measuring Equipment

6.

2014 ... Pedro Serigos [and five others] · "Phase 2 of Texas Department of Transportation (TxDOT) Research Project 0-6663: Evaluation of Pavement Rutting and Distress Measurements had the objective of evaluating the accuracy and precision of the new automated system developed by a TxDOT research group (composed of staff

6663-P2 [CTR] ... Product 0-6663-P2

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6663-P2.pdf
231 KB
______________________________________________________________________________________________________

Pavement management, 2013. Volume 4

7.

2013 ... [various authors] · This issue contains 14 papers concerned with pavement management. The papers are organized into two parts. The first part addresses strength and deformation characteristics of pavement sections. Specific topics discussed in this part include: unbound pavement layers modified by geogrids; unbound

TRR 2369 ... TRR 2369 ... Transportation Research Record (TRR), 2369

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

Best Practices for Flexible Pavement Structure Widening. Workshops

8.

2013 ... Maria Burton [and four others] · "This document presents a summary of the two half-day workshops/webinars that took place at CTR July 2, 2013. The workshops constitute Product 2 (P2) of the research project and correspond to Task 3. The purpose of the workshops was to obtain expert opinions from TxDOT

6748-P2 [CTR] ... Product 0-6748-P2

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6748-P2.pdf
55.2 MB
______________________________________________________________________________________________________

Framework for Determination of Load Equivalencies Using Darwin-ME

9.

2013 ... Prasad Buddhavarapu · This paper presents a methodology for determination of load equivalencies for different axle configurations and loads using mechanistic-empirical design procedures. The focus was on oversize/overweight (OS/OW) vehicles. The study uses the DARWin-ME system for pavement analysis and

Poster 2013 CTR Symp: Buddhavarapu

Full-text Link:
No online resource supplied by researcher
______________________________________________________________________________________________________

Performance and Cost Effectiveness of Permeable Friction Course (PFC) Pavements

10.

2013 ... by Edith Arámbula [and five others] · In this project, the research team evaluated the performance of Permeable Friction Courses (PFC) over time and compared it against other types of wearing surface pavement layers. Several pavement sections including Asphalt Rubber (AR) PFCs, Performance Graded (PG) PFCs, and dense-

5836-2 [TTI] ... FHWA/TX-12/0-5836-2

Full-text Link:
http://tti.tamu.edu/documents/0-5836-2.pdf
30.3 MB
______________________________________________________________________________________________________

0-5836, Performance of Permeable Friction Course (PFC) Pavements over Time

11.

2013 ... Research Performed by: Texas A&M Transportation Institute; Research Supervisor: Amy Epps Martin; Researchers: Edith Arambula [and four others] · "Recent Texas Department of Transportation (TxDOT) Projects 0-5262, 0-5185, and 0-4834 addressed important design, construction, and maintenance issues associated with

5836 PSR [TTI] ... 0-5836-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5836.pdf
296 KB
______________________________________________________________________________________________________

Geology and properties of earth materials, 2012

12.

2012 ... [various authors] · "TRR No. 2282 consists of 10 papers that explore road alignment surveying, model of snow melting for hydronically heated pavement, flexible airfield pavements, urban subsurface drainage systems, diamond-enhanced and tungsten carbide teeth for road milling, natural gas developments on highways, procedures

TRR 2282 ... TRR 2282 ... Transportation Research Record (TRR), 2282

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

Quantification of the Effect of Maintenance Activities on Texas Road Network

13.

2012 ... by Jorge Prozzi and Ambarish Banerjee · Pavement structures are designed for a finite life, usually referred to as performance period. This performance period is typically between 20 to 25 years for flexible pavements and between 25 and 40 years for rigid pavements. After this period, the pavement is predicted to reach

2012-161125-1 [CTR] ... SWUTC/12/161125-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/161125-1.pdf
1.1 MB
______________________________________________________________________________________________________

Calibration of HERS-ST for Estimating Traffic Impact on Pavement Deterioration in Texas

14.

2012 ... by Jorge Prozzi, Ph.D · The Highway Economic Requirements System-State Version (or the HERS-ST) is a software package which was developed by the Federal Highway Administration as a tool for evaluating the performance of state highway systems. HERS-ST has the capabilities of estimating highway system performance

2012-169205-1 [CTR] ... SWUTC/12/169205-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/169205-1.pdf
1.1 MB
______________________________________________________________________________________________________

Oversize/Overweight Vehicle Permit Fee Study

15.

2012 ... CTR: Prozzi J. [and nine others]; University of Texas at San Antonio: Weismann, J., Weismann, A. · In Rider 36, the Texas Legislature in the 2012-2013 General Appropriations Act directed the Texas Department of Transportation (TxDOT) to conduct a study on road damage caused by oversized and overweight (OS/OW) vehicles

6736-2 [CTR] ... FHWA/TX-13/0-6736-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6736_2.pdf
20.4 MB
______________________________________________________________________________________________________

PFC Performance Database: without Skid and Crash Data

16.

2012 ... by Andre Smit, Jorge A. Prozzi · "A product of this research study was a database comprising permeable friction course (PFC) projects evaluated as part of the study. The database includes project information as well as material and specific test data collected during the study. This document serves as a data dictionary for the

5836-P1 v.1 [CTR] ... Product 0-5836-P1

Full-text Link:
Ask librarian for assistance
______________________________________________________________________________________________________

Surface Treatment Binder Construction Toolkit

17.

2012 ... Ambarish Banerjee [and six others] · This document contains description of the recommended test protocol for determining the dilution ratio of the plant emulsion at the construction site, recommended test protocol for determining the viscosity of the plant emulsion at the construction site using shell cups, and description of a

5893-P1 [TechMRT] ... Product 0-5893-P1

Full-text Link:
http://www.depts.ttu.edu/techmrtweb/Reports/Products/0-5893_P1.pdf
2.2 MB
______________________________________________________________________________________________________

Maintenance Test Section Survey: Data Collection and Analysis

18.

2012 ... Jorge Prozzi [and six others] · A Maintenance Test Section Survey (MTSS) was conducted as part of a Peer State Review of the Texas Maintenance Program conducted October 5–7, 2010. The purpose of the MTSS was to conduct a field review of 34 highway test sections and obtain participants’ opinions about pavement, roadside,

6664-2 [CTR] ... FHWA/TX-11/0-6664-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6664_2.pdf
4.5 MB
______________________________________________________________________________________________________

Field Evaluation of Automated Rutting Measuring Equipment

19.

2012 ... Pedro A. Serigos [and three others] · "The Texas Department of Transportation (TxDOT) has developed a state-of-the-art 3D system for rut measurements. This system will allow more accurate assessment of road performance at both the network and project levels and potentially eliminate the need for manual visual

6663-1 [CTR] ... FHWA/TX-12/0-6663-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6663_1.pdf
17.2 MB
______________________________________________________________________________________________________

Impacts of Energy Developments on the Texas Transportation System Infrastructure

20.

[2012] ... Jolanda Prozzi, Sergey Grebenschikov, Ambarish Banerjee, Jorge Prozzi · Texas?s energy sector has a critical impact?historically and currently?on both the state economy and the Texas transportation system. The state?s various transportation modes, including rail, highways, pipelines, and ports, form a system that supports the

6513-1 vol.A [CTR] ... FHWA/TX-11/0-6513-1A

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6513_1a.pdf
· http://library.ctr.utexas.edu/digitized/ctr/0-6513-1_suppl.zip
Report: 10.9 MB; Supplement: 176 MB
______________________________________________________________________________________________________

Monitoring of Experimental Sections Using a Web-based Database

21.

2012 ... Jose Pablo Aguiar-Moya, Andre de Fortier Smit, Jorge A. Prozzi · In recent years, a number of databases have been developed as part of TxDOT’s Research Program for a diversity of goals and objectives. However, there is no one database that collects and stores lessons learned from long-term field application of different technologies

6357-1 [CTR] ... FHWA/TX-11/0-6357-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6357_1.pdf
3.7 MB
______________________________________________________________________________________________________

Laboratory Evaluation of Constructability Issues with Surface Treatment Binder

22.

2012 ... by Sanjaya Senadheera [and five others] · TxDOT depends greatly on sprayed seals for new road construction (surface treatment) and on preventive maintenance (seal coat). It is very important for TxDOT to have emulsified asphalt (EA) as a key binder type at its disposal to reduce costs. However, EA brings its own set of

5893-1 [TechMRT] ... FHWA/TX-12/0-5893-1

Full-text Link:
http://www.depts.ttu.edu/techmrtweb/Reports/Complete%20Reports/0-5893_1.pdf
10.6 MB
______________________________________________________________________________________________________

Project Report on the Continued Development and Analysis of the Flexible Pavements Database

23.

2012 ... Ambarish Banerjee [and four others] · The original scope of TxDOT Research Project 0-6275 included continuing the development of the Texas Flexible Pavement database (TFPD) developed as part of Research Project 0-5513. The objective of 0-5513 was to deliver a database capable of hosting the data necessary for new pavement

6275-1 [CTR] ... FHWA/TX-11/0-6275-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6275_1.pdf
1.3 MB
______________________________________________________________________________________________________

A Parametric Procedure to Evaluate Fracture Sensitivity of HMA

24.

[2011] ... Prasad Buddhavarapu, Fortier Smit, and Dr. Jorge A. Prozzi · The semi-circular bending (SCB) test allows for the evaluation of the strength and fracture performance of asphalt laboratory specimens and field cores. The geometry of SCB specimen results in variable stress and strain response under loading that may be

Poster 2011 CTR Symp: Buddhavarapu

Full-text Link:
No online resource supplied by researcher
______________________________________________________________________________________________________

RAP [Reclaimed Asphalt Pavement] : Save Today, Pay Later?

25.

[2011] ... José Pablo Aguiar-Moya, Dr Feng Hong, Dr Jorge A. Prozzi · In recent years, there has been a significant increase in the use of RAP for the construction and rehabilitation of flexible pavement structures. There are many advantages that are associated with the use of RAP, including economic benefits due to the reduction in

Poster 2011 TRB Annual: Aguiar-Moya

Full-text Link:
No online resource supplied by researcher
______________________________________________________________________________________________________

CAM Mix Design with Local Aggregates

26.

2011 ... Andre de Fortier Smit, Sivaram Prasad, Jorge Prozzi, Maghsoud Tahmoressi · This study provides revised mix design recommendations for crack attenuating mixtures (CAM) with local aggregates. The use of lower quality aggregates is cost beneficial but limits the application of these mixes in terms of reduced performance.

6435-1 [CTR] ... FHWA/TX-12/0-6435-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6435_1.pdf
24.3 MB
______________________________________________________________________________________________________

Impacts of Energy Developments on the Texas Transportation System

27.

2011 ... Research Supervisor: Jolanda Prozzi; Researchers: Ambarish Banerjee [and six others] · Texas’s energy sector has a critical impact on both the state economy and the Texas transportation system. The state’s various transportation modes, including rail, highways, pipelines, and ports, form a system that facilitates the energy

6513-s [CTR] ... PSR 0-6513 ... Project Summary Report, 0-6513

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/6513.pdf
91 KB
______________________________________________________________________________________________________

Laboratory Evaluation of Constructability Issues With Surface Treatment Binders

28.

2011 ... RS: Sanjaya Senadheera; Researchers: Lei Niu [and four others] · TxDOT depends greatly on sprayed seals for new road construction (surface treatment) and on preventive maintenance (seal coat). It is very important for TxDOT to have emulsified asphalt (EA) as a key binder type at its disposal to reduce costs in this era of high

5893-PSR [TechMRT] ... PSR 0-5893-S ... Project Summary Report, 0-5893

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5893.pdf
87 KB
______________________________________________________________________________________________________

CAM Mix Design with Local Materials in Texas

29.

2011 ... RS: Jorge Prozzi; Researchers: Prasad Buddhavarapu, Andre de Fortier Smit, Maghsoud Tahmoressi · Laboratory testing of aggregates from 14 quarries in Texas was done to characterize the classification, aggregate imaging system (AIMS) and filler properties of aggregates. Current performance criteria in terms of Hamburg

6435-s [CTR] ... PSR 0-6435 ... Project Summary Report, 0-6435

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/6435.pdf
107 KB
______________________________________________________________________________________________________

Peer State Assessment of TxDOT Maintenance Program and Practices : Workshop and Road Rally Findings

30.

2011 ... Lu Gao [and six others] · In an effort to evaluate and improve their practices to ensure the future excellence of the Texas highway system, the Texas Department of Transportation (TxDOT) sought a forum in which experts from other state departments of transportation could share their expertise. Thus, the Peer State Review of

6664-1 [CTR] ... FHWA/TX-11/0-6664-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6664_1.pdf
1.4 MB
______________________________________________________________________________________________________

Development of Reliable Pavement Models

31.

2011 ... By José Pablo Aguiar-Moya, Jorge Prozzi · The current report proposes a framework for estimating the reliability of a given pavement structure as analyzed by the Mechanistic-Empirical Pavement Design Guide (MEPDG). The methodology proposes using a previously fit response surface, in place of the time-demanding implicit

2011-161025-1 [CTR] ... SWUTC/11/161025-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/161025-1.pdf
4.6 MB
______________________________________________________________________________________________________

Training Workshop on Emulsified Asphalt Surface Treatment Construction Toolkit

32.

2011 ... Sanjaya Senadheera [and five others] · Workshop slide presentation for Research Project 0-5893. The objective of this research project was the evaluation of emulsified asphalt binders used in seal coats and surface treatments and to provide testing procedures and guidance for selection, handling and successful application of

5893-P2 [TechMRT] ... Product 0-5893-P2

Full-text Link:
No online resource supplied by publisher (very large file)
______________________________________________________________________________________________________

Peer State Review of TxDOT Maintenance Practices

33.

2011 ... RS: Mike Murphy, Researchers: Seokho Chi [and four others] · The objective of this project was to provide the Texas Department of Transportation (TxDOT) with an assessment of their maintenance program and practices based on a review by maintenance directors from peer states. This information will be used by TxDOT to

6664-s [CTR] ... PSR 0-6664 ... Project Summary Report, 0-6664

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/0-6664.pdf
48 KB
______________________________________________________________________________________________________

Monitoring of Experimental Sections Using a Pavement Database

34.

2011 ... RS: Jorge Alberto Prozzi; Researchers: Jose Pablo Aguiar-Moya and Andre de Fortier Smit · The goal of this project was to develop a database of experimental pavement sections constructed in Texas. It provided for collection of performance data of these sections to determine the types of experiments that have been successful

6357-PSR [CTR] ... PSR 0-6357-S ... Project Summary Report, 0-6357

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/0-6357.pdf

______________________________________________________________________________________________________

Towards and Integrated Pavement Design Approach : Using HWTD to Support the MEPDG

35.

2010 ... Sergey Grebenschikov and Jorge A. Prozzi · Variability of hot-mix asphalt (HMA) production can have drastic effects on pavement performance. A poor gradation or an inappropriate amount of asphalt binder could lead to early distresses and shorter pavement life. Other factors, such as the air void content in the asphalt layer, the

2010- 167274-1 [CTR] ... SWUTC 10/ 167274-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/167274-1.pdf
967 KB
______________________________________________________________________________________________________

Laboratory Evaluation of Influence of Operational Tolerance (Acceptance Criterion) on Performance of Hot-Mix Asphalt Concrete

36.

2010 ... Christian G. Vasquez, Jose P. Aguiar-Moya, Andre de F. Smit, Jorge A. Prozzi · The performance of flexible pavements relies heavily on the final quality of the hot-mix asphalt concrete (HMAC) as it is produced and placed in the field. To account for production and construction variability while ensuring the quality of the HMAC,

6045-1 [CTR] ... FHWA/TX-11 /0-6045-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6045_1.pdf
1.2 MB
______________________________________________________________________________________________________

Online Texas Flexible Pavement Database in MS Access (25 sections)

37.

2010 ... Jorge Prozzi · · CONTENTS: 0-6275-P1.mdb · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR)/University of Texas at Tyler (UT-Tyler).

6275-P1 [CTR] ... Product 0-6275-P1

Full-text Link:
http://library.ctr.utexas.edu/digitized/products/0-6275-P1.zip
621 KB ZIP file = 2.9 MB MS Access (.mdb) database
______________________________________________________________________________________________________

Peer State Review of TxDOT Maintenance Practices : Austin District Road Rally October 6, 2010, Austin, TX

38.

2010 ... Mike Murphy [and four others] · Slides and Rating Sheet handouts from Day 2 (Austin District/Road Rally) of Peer Review Workshop. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).

6664 Road Rally [CTR] ... 0-6664

Full-text Link:
http://library.ctr.utexas.edu/digitized/ctr/6664_Road_Rally.pdf
11.6 MB
______________________________________________________________________________________________________

Peer State Review of TxDOT Maintenance Practices : Workshop Materials October 4-7, 2010, Austin, TX

39.

2010 ... Mike Murphy [and twelve others] · Slides and Questionnaires from the Peer Review Workshop. Agenda/Contents: | Day 1 Workshop at CTR: Purpose of the Peer Review (David Casteel); Group Introductions (Mike Murphy); 1) Texas Highway Network and Maintenance Program (Toribio Garza) Discussion; 2) TxMAP, TxTAP

6664 Workshop [CTR] ... 0-6664

Full-text Link:
http://library.ctr.utexas.edu/digitized/ctr/6664.pdf
13.7 MB
______________________________________________________________________________________________________

Toll Roads : What We Know About Forecasting Usage and the Characteristics of Texas Users

40.

2010 ... Jolanda Prozzi [and nine others] · Inadequate funding from fuel taxes, increased demand for transportation, and increased maintenance needs due to an aging highway system, have resulted in significant deficits along with renewed interest in toll road development, both to finance new roads or add capacity to existing

6044-P1 [CTR] ... Product 0-6044-P1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6044_P1.pdf
874 KB
______________________________________________________________________________________________________

Development of the Texas Flexible Pavements Database : Implementation Steps for the Tour-based Model Design Option and the Data Needs

41.

2010 ... Ambarish Banerjee [and three others] · The goal of this research project was the development of the Texas Flexible Pavement Database (TFPD) to serve as a reference database comprising design, construction, structural and performance data for selected roadway sections in Texas. The database was designed as a project-

5513-2 [CTR] ... FHWA/TX-10/0-5513-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5513_2.pdf
3 MB
______________________________________________________________________________________________________

Updated Workshop Material : Data and Practical Examples

42.

2009 ... by Jorge A. Prozzi , prepared for and sponsored by the Texas Department of Transportation · · CONTENTS: File "TxDOT 0-6045 Chapter 1_mod.pptx" : Project 0-6045, Evaluation of Influence of Operational Tolerance, Chapter 1: Introduction (233KB, 23 slides) -- -- File "TxDOT 0-6045 Chapter 2_mod.pptx" : Project 0-

6045-P3 [CTR] ... Product 0-6045-P3

Full-text Link:
http://library.ctr.utexas.edu/digitized/zipfiles/CTR_0-6045-P3.zip
804 KB ZIP file (SEE NOTES FOR FILES INCLUDED)
______________________________________________________________________________________________________

MS Access Database Containing Performance Results

43.

2009 ... by Jorge A. Prozzi and Jose P. Aguiar-Moya · 1 database · CONTENTS: 0-6045_P2.mdb · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).

6045-P2 [CTR] ... Product 0-6045-P2

Full-text Link:
http://library.ctr.utexas.edu/digitized/zipfiles/0-6045-P2.zip
288KB ZIP file/2.9 MB uncompressed
______________________________________________________________________________________________________

Characteristics of the Truck Users and Non-Users of Central Texas Toll Roads

44.

2009 ... Jolanda Prozzi [and four others] · As the use of toll roads increase to finance new road infrastructure or add capacity to existing road infrastructure, the question of who use and do not use toll roads becomes increasingly important to toll road developers, financiers, Traffic and Revenue consultants, and investors, among others. The

6044-2 vol.2 [CTR] ... FHWA/TX-10/0-6044-2 v.2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6044_2v2.pdf
1.3 MB
______________________________________________________________________________________________________

Characteristics of the Auto Users and Non-Users of Central Texas Toll Roads

45.

2009 ... Jolanda Prozzi [and four others] · As toll road usage increases to finance new road infrastructure or add capacity to existing road infrastructure, the question of who does and does not use toll roads becomes increasingly important to toll road developers, financiers, Traffic and Revenue consultants, and investors, among others.

6044-2 vol.1 [CTR] ... FHWA/TX-10/0-6044-2 v.1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6044_2v1.pdf
1.1 MB
______________________________________________________________________________________________________

Development of Application Guide and Specifications for Geotextiles in Soil and Base

46.

2009 ... Jorge Zornberg and Jorge Prozzi · Geotextiles, one among the different geosynthetic products, can be used for a number of functions or applications in pavement design. Specifically, woven or nonwoven geotextiles have been used in pavements to fulfill the functions of separation, filtration, drainage, reinforcement, and mitigation

5812 [CTR] ... PSR 0-5812 ... Project Summary Report, 0-5812

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5812.pdf

______________________________________________________________________________________________________

Laboratory Evaluation of Influence of Operational Tolerance (Acceptance Criterion) on Performance of HMAC

47.

2009 ... Jorge A. Prozzi [and three others] · The development of high performing mixtures is a major objective of hot-mix asphalt (HMA) design; however, most mix design methods are based on volumetrics because volumetric properties correlate with performance. This correlation is by no means perfect, therefore, more reliable methods

6045 [CTR] ... PSR 0-6045 ... Project Summary Report, 0-6045

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/6045.pdf

______________________________________________________________________________________________________

Estimated and Actual Usage of Toll Facilities

48.

2009 ... C. Michael Walton [and nine others] · As toll road development increases to finance new or add capacity to existing road infrastructure, reliable traffic and revenue (T&R) forecasts informed by a robust understanding of who uses and who does not use toll roads becomes increasingly important to toll road developers, financiers, T&R

6044 [CTR] ... PSR 0-6044 ... Project Summary Report, 0-6044

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/6044.pdf

______________________________________________________________________________________________________

Design-Build Agreements : A Case Study Review of the Included Handover Requirements

49.

2009 ... Jolanda Prozzi, Alejandro Perez-Ordonoz, Jorge A. Prozzi · Road infrastructure is a key component of any region's transportation system. It allows unprecedented levels of mobility, accessibility, and economic growth. On the other hand, the cost associated with inadequate road infrastructure can amount to billions of dollars. | In the

2009-167866-1 [CTR] ... SWUTC/09/167866-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/167866-1.pdf

______________________________________________________________________________________________________

Developing a Sustainable Flexible Pavement Database in Texas

50.

2009 ... Jorge Prozzi and Andre Smit · This project has demonstrated that it is possible to track the network-level performance of surface mixtures constructed in Texas. A procedure is outlined in the report to accomplish this and involves firstly identifying a project’s extents in terms of Texas Reference Marker (TRM) information. A web-based

5496-1 [CTR] ... 0-5496-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5496_1.pdf
1.2 MB
______________________________________________________________________________________________________

Estimated vs. Forecasted Toll Usage : A Case Study Review

51.

2008 ... C. Michael Walton [and six others] · Reliable T&R forecasts are critical to the success of toll proposals. However, a number of studies by the bond rating agencies?specifically Standard & Poor?s (S&P)?have shown that a majority of toll roads failed to meet revenue expectations in their first full year of operation. These studies alluded

6044-1 [CTR] ... FHWA/TX-10/0-6044-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6044_1.pdf
2.5 MB
______________________________________________________________________________________________________

Tracking the Performance of HMA Mixtures in Texas

52.

2008 ... Jorge Prozzi and Andre Smit · This project was initiated to expand on and apply the database and software developments conducted under Texas Department of Transportation (TxDOT) inter-agency contracts and Federal Highway Administration (FHWA) Pathfinder studies towards tracking and analyzing the performance of hot-

5496 [CTR] ... PSR 0-5496 ... Project Summary Report, 0-5496

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5496.pdf

______________________________________________________________________________________________________

First Year Progress Report on the Development of the Texas Flexible Pavement Database

53.

2008 ... Jorge A. Prozzi, Jose Pablo Aguiar and Feng Hong · Comprehensive and reliable databases are essential for the development, validation, and calibration of any pavement design and rehabilitation system. These databases should include material properties, pavement structural characteristics, highway traffic characteristics,

5513-1 [CTR] ... FHWA/TX-09/0-5513-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5513_1.pdf
464 KB
______________________________________________________________________________________________________

Development of a Flexible Pavements Database

54.

2008 ... Jorge A. Prozzi [and four others] · The objective of this project is to develop, validate and calibrate any pavement design and rehabilitation method, reliable databases are essential. These databases should include material properties, pavement structural characteristics, highway traffic information, environmental conditions, and

5513 [CTR] ... PSR 0-5513 ... Project Summary Report, 0-5513

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5513.pdf

______________________________________________________________________________________________________

Integration and Consolidation of Border Freight Transportation Data for Planning Applications and Characterization of NAFTA Truck Loads for Aiding in Transportation Infrastructure Management : Second Year

55.

2008 ... Dan Middleton [and four others] · The quantity of truck transportation handled in Texas increased dramatically in the 1990s especially after the full implementation of the North American Free Trade Agreement (NAFTA). Accurate information on truck volumes and truck characteristics is critical to the transportation planning

2008-0-5339-2 [TTI] ... 5339-2

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/0-5339-2.pdf

______________________________________________________________________________________________________

Web-based Database

56.

2008 ... Jorge A. Prozzi [and three others] · The TxFlex spreadsheet contains a sheet listing "Entities," a sheet listing "Attributes" for each entity, and a sheet with an E-R diagram. · CONTENTS: "TxFlex Data Dictionary" (Excel spreadsheet) -- "TxFlex DB" (Access Database) · Publ. by: University of Texas at Austin. Center for

5513-P1 [CTR] ... Product 0-5513-P1

Full-text Link:
6.1 MB ZIP file = compressed .xls and .mdb files
______________________________________________________________________________________________________

Integration and Consolidation of Border Freight Transportation Data for Planning Applications and Characterization of NAFTA Truck Loads for Aiding in Transportation Infrastructure Management : Second Year

57.

2008 ... Dan Middleton [and four others] · The quantity of truck transportation handled in Texas increased dramatically in the 1990s especially after the full implementation of the North American Free Trade Agreement (NAFTA). Accurate information on truck volumes and truck characteristics is critical to the transportation planning

5339-2 [TTI] ... SWUTC/08/0-5339-2

Full-text Link:
http://tti.tamu.edu/documents/0-5339-2.pdf

______________________________________________________________________________________________________

Mixture Design Manual and Performance-Based Specifications for Cold Patching Mixtures -- revised January 2008

58.

2007 ... Vanessa I. Rosales-Herrera and Jorge A. Prozzi · The purpose of these cold mixture design guidelines is to provide recommendations to the Texas Department of Transportation (TxDOT) for a homemade design procedure for cold patching mixtures under cold weather conditions. This manual indentifies and discusses the special

4872-P2 [CTR] ... Product 0-4872-P2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4872_P2.pdf
1.3 MB
______________________________________________________________________________________________________

Mixture Design and Performance-Based Specifications for Cold Patching Mixtures

59.

2007 ... Jolanda Prozzi, Jorge A. Prozzi and Vanessa I. Rosales-Herrera · Cold patching asphalt mixtures constitute an essential element for the maintenance and rehabilitation of pavement infrastructure. Although this maintenance technique is both expensive and time consuming, it can minimize further damage and costly future

4872-2 [CTR] ... 0-4872-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4872_2.pdf
1 MB
______________________________________________________________________________________________________

Calibration of Pavement Response Models for the Mechanistic-Empirical Pavement Design Method

60.

2007 ... Rong Luo and Jorge A. Prozzi · Most pavement design methodologies assume that the tire-pavement contact stress is equal to the tire inflation pressure and uniformly distributed over a circular contact area. However, tire-pavement contact area is not in a circular shape and the contact stress is neither uniform nor equal to the tire

2007-167264-1 [CTR] ... SWUTC/07/167264-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/167264-1.pdf

______________________________________________________________________________________________________

Material Design and Testing Methods for Homemade and Containerized Cold Mix

61.

2007 ... RS: Jorge A. Prozzi; Researchers: Samrat Chatterjee [and three others] · Cold patching asphalt mixtures constitute an essential element in the maintenance of Texas' highway infrastructure. These mixtures are often used to patch potholes in areas with cold and wet weather, particularly when hot mix asphalt is not available

4873-s [CTR] ... PSR 0-4873 ... Project Summary Report, 0-4873

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/4872.pdf

______________________________________________________________________________________________________

Rigid and Flexible Pavement Design 2007

62.

2007 ... [various authors] · This Transportation Research Record contains 13 papers on the topic of rigid and flexible pavement design. The papers on rigid pavements discuss the following subjects: variation of crack width over time in continuously reinforced concrete pavement, experimental and analytical investigations of mechanistic

TRR 2037 ... TRR 2037 ... Transportation Research Record (TRR), 2037

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

Integration and Consolidation of Border Freight Transportation Data for Planning Applications and Characterization of Nafta Truck Loads for Aiding in Transportation Infrastructure Management

63.

2007 ... RS: Juan Carlos Villa; Researchers: Dan Middleton [and three others] · The quantity of truck transportation handled in Texas increased dramatically in the 1990s especially after the full implementation of the North American Free Trade Agreement (NAFTA). Accurate information on truck volumes and truck characteristics is

5339-s [TTI] ... PSR 0-5339 ... Project Summary Report, 0-5339

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5339.pdf

______________________________________________________________________________________________________

Quantify the Benefits of Using Geosynthetics for Unbound Base Courses

64.

2007 ... RS: Jorge Zornberg; Researchers: Jorge Prozzi and Kenneth Stokoe · Base reinforcement results from the addition of a geosynthetic at the bottom or within a base course to increase the structural or load-carrying capacity of a pavement system. While there is clear evidence that geosynthetic reinforcements can lead to

4829-s [CTR] ... PSR 0-4829 ... Project Summary Report, 0-4829

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/4829.pdf

______________________________________________________________________________________________________

Integration and Consolidation of Border Freight Transportation Data for Planning Applications and Characterization of NAFTA Truck Loads for Aiding in Transportation Infrastructure Management : First Year

65.

2007 ... Dan Middleton [and four others] · The quantity of truck transportation handled in Texas increased dramatically in the 1990s especially after the full implementation of the North American Free Trade Agreement (NAFTA). Accurate information on truck volumes and truck characteristics is critical to the transportation planning

5339-1 [TTI] ... FHWA/TX-07/0-5339-1

Full-text Link:
http://tti.tamu.edu/documents/0-5339-1.pdf

______________________________________________________________________________________________________

Bituminous Paving Mixtures

66.

2007 ... [various authors] · · CONTENTS: Bulk Specific Gravity Measurements of 25.0-mm and 37.5-mm Coarse-Graded Superpave Mixs - Stacy G. Williams -- Development of New Moisture-Conditioning Procedure for Hot-Mix Asphalt - Bjorn Birgisson, Reynaldo Roque, Gale C. Page and Jianlin Wang -- Effect of Binder Type,

TRR 2001 ... TRR 2001 ... Transportation Research Record (TRR), 2001

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

TexSys: Guide for Selecting HMA for Texas Flexible Pavements

67.

2007 ... Andre de Fortier Smit [and three others] · The guide for selecting mixtures for flexible pavements will provide the designers with recommendations for selecting mix types based on factors such as traffic, speed and expected performance. The guide covers mixes such as regular dense mixes Item 340 and 341, permeable friction

4824-P1 [UTEP] ... Product 0-4824-P1

Full-text Link:
http://ctis.utep.edu/Reports/RR%200-4824-P1.pdf

______________________________________________________________________________________________________

Characterizing Truck Traffic in the U.S.-Mexico Highway Trade Corridor and the Load Associated Pavement Damage

68.

2007 ... Feng Hong, Jolanda (Pretorius) Prozzi, Jorge A. Prozzi · As the biggest asset in the transportation infrastructure system, highways play a critical role in a nation’s economic development. Paradoxically, while this development serves as a driving force it is also responsible for significant damage to the highway infrastructure. |

2007-167555-1 [CTR] ... SWUTC/07/167555-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/167555-1.pdf

______________________________________________________________________________________________________

Recommendations for Reducing Superpave Compaction Effort to Improve Mixture Durability and Fatigue Performance

69.

2007 ... Jorge A. Prozzi [and four others] · The Texas Department of Transportation (TxDOT) has recently established Hamburg Wheel Tracking Device (HWTD) specification criteria for Superpave mixtures (Item 344). This step has introduced a performance-related feature into an otherwise volumetric mix design approach structured to

5132-1 [CTR] ... 0-5132-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5132_1.pdf
2.5 MB
______________________________________________________________________________________________________

Identifying, Measuring, and Mitigating Environmental Justice Impacts of Toll Roads. Executive Summary

70.

2007 ... Jolanda Prozzi [and four others] · In 2004 the Texas Department of Transportation (TxDOT) funded the Center for Transportation Research at The University of Texas at Austin to develop a methodology to evaluate the environmental justice (EJ) impacts of toll roads given four scenarios: (a) the construction of new toll road(s), (b)

5208-1 [CTR] ... 0-5208-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5208_1.pdf
569 KB
______________________________________________________________________________________________________

Guidebook for Identifying, Measuring and Mitigating Environmental Justice Impacts of Toll Roads

71.

2007 ... Jolanda Prozzi [and four others] · Highway funding constraints in recent years have resulted in the financing of new roads and the modernization of existing roads through investments that will be recovered by toll charges. In Texas, toll equity and Regional Mobility Authorities (RMAs) are voter-approved financial tools to leverage

5208-P2 [CTR] ... Product 0-5208-P2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5208_P2.pdf
1.1 MB
______________________________________________________________________________________________________

Identifying, Measuring, and Mitigating Environmental Justice Impacts of Toll Roads

72.

2007 ... Isabel C. Victoria [and four others] · In 2004 the Texas Department of Transportation (TxDOT) funded the Center for Transportation Research at The University of Texas at Austin to develop a methodology to evaluate the environmental justice (EJ) impacts of toll roads given four scenarios: (a) the construction of new toll road(s), (b)

5208-2 [CTR] ... 0-5208-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5208_2.pdf
2.1 MB
______________________________________________________________________________________________________

Performance Evaluation of HMA Consisting of Modified Asphalt Binder

73.

2007 ... Rajpal Sugandh [and four others] · To achieve Strategic Highway Research Program (SHRP) specified PG grades, refineries make use of modifiers to enhance the properties of base asphalt. Even though modified binders may meet PG specifications, some perform better than others. This can be attributed to binder/hot mix

4824-2 [UTEP] ... FHWA/TX-07/ 0-4824-2

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/4824-2.pdf
2.3 MB
______________________________________________________________________________________________________

Evaluation of Binder Tests for Identifying Rutting and Cracking Potential of Modified Asphalt Binders

74.

2007 ... Gina M. Hrdlicka [and four others] · To minimize premature failures, the Strategic Highway Research Program (SHRP) proposed binder tests that can identify poorly performing binders. To meet new performance grade specifications, a modifier is typically added to the binder. Occasionally, state highway agencies specify a

4824-1 [UTEP] ... FHWA/TX-07 / 0-4824-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/4824-1-UTEP.pdf
1.17 MB
______________________________________________________________________________________________________

Traffic Characterization for a Mechanistic-Empirical Pavement Design

75.

2006 ... Jorge A. Prozzi and Feng Hong · The recently developed guide for the Mechanistic-Empirical Design of New and Rehabilitated Pavement Structures (M-E Design Guide) will change the way in which pavements are designed by replacing the traditional empirical design approach proposed in the AASHTO 1993 Guide for the Design

4510-4 [CTR] ... 0-4510-4

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4510_4.pdf

______________________________________________________________________________________________________



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