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Optimizing Resource Allocations for Highway Routine Maintenance

1.

2012 ... [Research Performed by: Center for Transportation Research; Research Supervisor: Zhanmin Zhang; Researchers: Mike Murphy and six others] · "The Texas Department of Transportation (TxDOT) is responsible for maintaining more than 190,000 lane miles of highways. TxDOT is not only obligated to preserve the pavements in

6623-PSR [CTR] ... PSR 0-6623-S ... Project Summary Report, 0-6623

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/6623.pdf

______________________________________________________________________________________________________

Optimizing Resource Allocations for Routine Highway Maintenance : Workshop Summary

2.

2012 ... Epigmenio Gonzalez [and six others] · This document contains information about a workshop held November 8, 2010, on the topic of TxCAP for TxDOT research project 0-6623. "The Texas Condition Assessment Program (TxCAP) combines information from PMIS, TxMAP, and TxTAP to get an overall picture of state roads.

6623-P2 [CTR] ... Product 0-6623-P2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6623_p2.pdf
292 KB
______________________________________________________________________________________________________

Maintenance Test Section Survey: Data Collection and Analysis

3.

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
______________________________________________________________________________________________________

Literature Review of Current Practices in Dealing with Fluctuations of Maintenance Budgets

4.

2011 ... Epigmenio Gonzalez [and five others] · A literature review was conducted to investigate current budget cutting strategies used in routine roadway maintenance planning, including methods and techniques that are employed by other state and international transportation organizations (DOT’s). Methods that quantify impact and

6623-1 [CTR] ... FHWA/TX-11/0-6623-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6623_1.pdf
202 KB
______________________________________________________________________________________________________

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

5.

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
______________________________________________________________________________________________________

Texas Pavement Preservation Center Two-year Summary Report

6.

2011 ... Dr. Yetkin Yildirim, TPPC Director · "The following report compiles eight newsletters published by the Texas Pavement Preservation Center from the year 2009 to 2011 in addition to fifteen newsletters published in the 4-year report. These newsletters include summaries and reports from various pavement preservation seminars and

Yildirim TPPC 2011 [CTR] ... TPPC Summary Report 2011

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/TPPC_newsletters_9_2011.pdf

______________________________________________________________________________________________________

Peer State Review of TxDOT Maintenance Practices

7.

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
______________________________________________________________________________________________________

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

8.

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
______________________________________________________________________________________________________

Texas Pavement Preservation Center Four-year Summary Report

9.

2009 ... Dr. Yetkin Yildirim, TPPC Director · "The following report compiles the first fifteen newsletters published by the Texas Pavement Preservation Center. These newsletters include summaries and reports from various pavement preservation seminars and conferences over the past four years, including TRB annual meetings, TxAPA

Yildirim TPPC 2009 ... TPPC Summary Report 2009

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/TPPC_Report.pdf
9.8 MB
______________________________________________________________________________________________________

Hamburg Wheel-Tracking Database Analysis

10.

2007 ... Abdulrahman Alhabshi [and six others] · This report outlines statistical analyses done to investigate whether the Hamburg wheel-tracking device (HWTD) can be used to validate durability tests such as the magnesium sulfate soundness (MSS) and Micro-Deval tests. Researchers manipulated and merged the Hamburg test database

1707-7 [TTI] ... FHWA/TX-05/0-1707-7

Full-text Link:
http://tti.tamu.edu/documents/0-1707-7.pdf

______________________________________________________________________________________________________

Winter Maintenance Issues Associated With New Generation Open-Graded Friction Courses

11.

2007 ... Terry Dossey [and four others] · The improved ride quality and other possible safety benefits associated with New Generation Open-Graded Friction Course (NGOGFC) or permeable Friction Course (PFC) pavements- better friction, lower noise, less splash and spary, higher visibility, reduced hydroplaning, and reduced nighttime

4834-2 [CTR] ... 0-4834-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4834_2.pdf
1.1 MB
______________________________________________________________________________________________________

Cold Weather Performance of New Generation Open-Graded Friction Courses

12.

2007 ... Moon Won [and five others] · This study focused on three areas: (1) a national survey of practice for NGOGFC pavements, (2) lab results for permeability and abrasion testing on specimens, and (3) development of a methodology for remote detection of ice formation, which also allows monitoring the effectiveness of de-icing

4834-S [CTR] ... PSR 0-4834-S ... Project Summary Report, 0-4834

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/4834.pdf

______________________________________________________________________________________________________

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

13.

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
______________________________________________________________________________________________________

Long-Term Research on Bituminous Coarse Aggregate

14.

2006 ... Dallas N. Little [and four others] · Three key areas were addressed in Project 0-1707: a review and upgrade of the surface aggregate classification system associated with the wet weather skid accident reduction program (WWARP), development of methods to assess aggregate to ensure better performance as part of the hot

1707-S [TTI] ... PSR 0-1707-S ... Project Summary Report, 0-1707

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/1707.pdf

______________________________________________________________________________________________________

Winter Maintenance Issues Associated with New Generation Open-Graded Friction Courses (NGOGFC)

15.

2006 ... Yetkin Yildirim, Terry Dossey, Ken Fults and Manuel Trevino · The improved ride quality and other possible safety benefits associated with New Generation Open-Graded Friction Course (NGOGFC) or Porous Friction Course (PFC) pavements—better friction, lower noise, less splash and spray, higher visibility, reduced

4834-1 [CTR] ... 0-4834-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4834_1.pdf
2 MB
______________________________________________________________________________________________________

Guidelines for Selecting Asphalt Mixtures and Evaluation of Polymer-Modified Mixes

16.

2006 ... RS: Vivek Tandon; Researchers: Soheil Nazarian [and three others] · To implement the Mechanistic-Empirical Pavement Design Guide (MEPDG), it was necessary to evaluate hot mix asphalt (HMA) using newly proposed performance tests (dynamic modulus, flow time, and flow number tests). Since manufacturers typically

4824-S [UTEP] ... PSR 0-4824-S ... Project Summary Report, 0-4824

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/4824.pdf

______________________________________________________________________________________________________

Comparison of Hot-Poured Crack Sealant to Emulsified Asphalt Crack Sealant : A Summary

17.

2006 ... Yetkin Yildirim and Jorge Prozzi · An important element of pavement maintenance is crack sealing and filling. Hot pour materials are the most commonly used, providing good performance in most cases. The performance history and costs of cold pour asphalt emulsion crack sealants are not well known or well documented

4061-S [CTR] ... PSR 0-4061-S ... Project Summary Report, 0-4061

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4061_S.pdf

______________________________________________________________________________________________________

Field Manual for Crack Sealing in Asphalt Pavements

18.

2006 ... Yetkin Yildirim, Ahmed Qatan and Jorge Prozzi · This field manual was developed as a product of research project 4061 “Comparison of Hot Poured Crack Sealant to Emulsified Asphalt Crack Sealant” conducted by The University of Texas at Austin Center for Transportation Research (CTR). Organization of this field manual

4061-P3 [CTR] ... Product 0-4061-P3

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4061_P3.pdf

______________________________________________________________________________________________________

Analysis of Hamburg Wheel Tracking Device Results in Relation to Field Performance : A Summary

19.

2006 ... Yetkin Yildirim and Kenneth H. Stokoe II · To evaluate the laboratory-field correlation for the Hamburg Wheel Tracking Device (HWTD), nine test sections were constructed on IH-20 in Harrison County. This research included a monitoring of the construction of the test sections; the collection of construction data, performance data

4185-S [CTR] ... PSR 0-4185-S ... Project Summary Report, 0-4185

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4185_S.pdf

______________________________________________________________________________________________________

Analysis of Hamburg Wheel Tracking Device Results in Relation to Field Performance

20.

2006 ... Yetkin Yildirim and Kenneth H. Stokoe II · This project was conducted to determine the correlation of field performance to Hamburg Wheel Tracking Device (HWTD) testing results. The HWTD measures the combined effects of rutting and moisture damage by rolling a steel wheel across the surface of an asphalt concrete specimen

4185-5 [CTR] ... 0-4185-5

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4185_5.pdf

______________________________________________________________________________________________________

Performance Comparison of Hot Rubber Crack Sealants to Emulsified Asphalt Crack Sealants

21.

2006 ... Jorge Prozzi, Armagan Korkmaz and Yetkin Yildirim · This is the final report from the Center for Transportation Research on Project 4061. It presents the results, findings, conclusions, and recommendations based on the surveys, lab tests, and information collected on test sections for the 4-year study. Sealing and filling

4061-3 [CTR] ... 0-4061-3

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4061_3.pdf

______________________________________________________________________________________________________

Pavement Performance Evaluation By Using Field Data

22.

2006 ... Yetkin Yildirim [and three others] · This project was conducted to determine the correlation of field performance to Hamburg Wheel Tracking Device (HWTD) testing results. The HWTD measures the combined effects of rutting and moisture damage by rolling a steel wheel across the surface of an asphalt concrete specimen that is

4185-4 [CTR] ... 0-4185-4

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4185_4.pdf

______________________________________________________________________________________________________

Performance Assessment by Using Nondestructive Testing

23.

2006 ... Yetkin Yildirim [and four others] · This project was conducted to determine the correlation of field performance to Hamburg Wheel Tracking Device (HWTD) testing results. HWTD measures the combined effects of rutting and moisture damage by rolling a steel wheel across the surface of an asphalt concrete specimen that is

4185-3 [CTR] ... 0-4185-3

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4185_3.pdf

______________________________________________________________________________________________________

TxDOT Dispute Resolution Process for Construction Contract Claims Settlements

24.

2005 ... Yetkin Yildirim · The Federal Highway Administration reports that state claims procedures must be designed to address issues of governmental immunity from construction claims, the authority of administrative review, and administrative settlement appeal. In an effort to reduce the expenditure of human and economic

MS 8105 ... Transportation Law Journal, 32.3

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

Crack Sealing in Asphalt Pavements

25.

2004 ... by Yetkin Yildirim · Video showing proper method of installing different crack sealants. · This DVD-ROM is a digitized copy of the original VHS, provided for access. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).

4061-P2 [CTR] ... Product 0-4061-P2

Full-text Link:
http://vimeo.com/groups/ctrutaustin/videos/15032959
· http://vimeo.com/groups/ctrutaustin/videos/15033280
Vimeo videos (2 parts)
______________________________________________________________________________________________________

Applicability of Asphalt Concrete Overlays on Continuously Reinforced Concrete Pavements

26.

2004 ... Manuel Trevino [and three others] · This report presents the research and recommendations on the use of asphalt concrete (AC) overlays to rehabilitate continuously reinforced concrete pavements (CRCP). A thin bonded AC overlay may be an economical means to restore the riding quality of a CRCP. One of the main benefits

4398-1 [CTR] ... 0-4398-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4398_1.pdf

______________________________________________________________________________________________________

Decision Tree for Thin Asphalt Concrete Overlays on Continuously Reinforced Concrete Pavement

27.

2004 ... Manuel Trevino, B. Frank McCullough, Yetkin Yildirim, and Terry Dossey · · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).

4398-S [CTR] ... PSR 0-4398-S ... Project Summary Report, 0-4398

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4398_S.pdf

______________________________________________________________________________________________________

Comparison of Hot Rubber Crack Sealants to Emulsified Asphalt Crack Sealants : First Report of a Three-Year Study

28.

2004 ... Yetkin Yildirim, Mansour Solaimanian and Thomas W. Kennedy · This is the first report from Center for Transportation Research on the Project 4061. It presents the results, findings, conclusions, and recommendations based on the surveys, lab tests, and information collected on test sections for the first year of a 3 year study.

4061-1 [CTR] ... 0-4061-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4061_1.pdf

______________________________________________________________________________________________________

Design of Toner Modifications for the Houston, Laredo, Pharr, and Bryan Demonstration Projects

29.

2004 ... Yetkin Yildirim, Thomas W. Kennedy and Jorge Prozzi · This report includes the binder designs for the Houston, Laredo, Pharr and Bryan Toner Projects where waste toner was used as an asphalt binder modifier. For each of these projects, a binder design was performed, including blending time, performance grading, storage

3933-01-(P1-P4) [CTR] ... FHWA/TX-04/5-3933-01-P1; Product 5-3933-01 P2; Product 5-3933-01 P3;

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/5_3933_01_P1_4.pdf

______________________________________________________________________________________________________

Toner- Modified Asphalt Demonstration Projects

30.

2003 ... Yetkin Yildirim, Armagan Korkmaz and Jorge Prozzi · Every year a large amount of toner is produced for copiers and printers by toner manufacturing companies. Toner, the dry ink used in laser printers and copiers, can be blended in to asphalt to improve strength and temperature resistance properties. Some of the toner does not

3933-01-2 [CTR] ... FHWA/TX-05/5-3933-01-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/5_3933_01_2.pdf

______________________________________________________________________________________________________

Correlation of Field Performance to Hamburg Wheel Tracking Device Results

31.

2003 ... Yetkin Yildirim and Thomas Kennedy · A 5-year research project was sponsored by the Texas Department of Transportation (TxDOT) to evaluate the laboratory-field correlation for the Hamburg Wheel Tracking Device (HWTD) equipment. This equipment measures the combined effects of rutting and moisture damage by

4185-1 [CTR] ... 0-4185-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4185_1.pdf

______________________________________________________________________________________________________

Binder Designs for the Toner Modified Asphalt Demonstration Projects

32.

2003 ... Yetkin Yildirim and Thomas W. Kennedy · Every year a big amount of toner is produced for copiers and printers by toner manufacturing companies. Toner, the dry ink used in laser printers and copiers, can be blended in to asphalt to improve strength and temperature resistance properties. Some of the toner does not meet quality

3933-01-IMP-1 [CTR] ... FHWA/TX-03/3933-01-IMP-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/3933_01_Imp_1.pdf

______________________________________________________________________________________________________

Hamburg Wheel Tracking Device Results on Plant and Field Cores Produced Mixtures

33.

2002 ... Yetkin Yidirim and Thomas W. Kennedy · This project was conducted to determine the correlation of field performance to Hamburg Wheel Tracking Device (HWTD) testing results. HWTD measures the combined effects of rutting and moisture damage by rolling a steel wheel across the surface of an asphalt concrete specimen that is

4185-2 [CTR] ... 0-4185-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4185_2.pdf

______________________________________________________________________________________________________

Performance Evaluation of Hot and Cold Pour Crack Sealing Treatments on Asphalt Surfaced Pavements

34.

2002 ... Yetkin Yildirim, Ahmed Qatan and Thomas W. Kennedy · This is the second report from the Center for Transportation Research on the Project 4061. It presents the results, findings, conclusions, and recommendations based on the field surveys of the test sections for the second year of a 3-year study. This study comes as an

4061-2 [CTR] ... 0-4061-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4061_2.pdf

______________________________________________________________________________________________________

Mixing and Compaction Temperatures for Hot Mix Asphalt Concrete

35.

2000 ... Yetkin Yildirim, Mansour Solaimanian and Thomas W. Kennedy · According to Superpave mixture design, gyratory specimens are mixed and compacted at equiviscous binder temperatures corresponding to viscosities of 0.17 and 0.28 Paűs, respectively. These were the values previously used in the Marshal mix design method to

1250-5 [CTR] ... 0-1250-5

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/1250_5.pdf
1.2 MB
______________________________________________________________________________________________________

Evaluation of Superpave Gyratory Compactors

36.

1999 ... Mansour Solaimanian [and three others] · This is the third report from the South Central Superpave Center (SCSC). It presents the results, findings, conclusions, and recommendations based on a comprehensive 12-month laboratory study conducted at the center. · Publ. by: University of Texas at Austin. Center for

1250-3 [CTR] ... 0-1250-3

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/1250_3.pdf
504 KB
______________________________________________________________________________________________________



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