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Asphalt Concrete Overlay Design Considerations
1984 ... by Freddy L. Roberts, Thomas W. Kennedy · This report contains the results of a literature survey and small computer study using the ELSYM 5 computer program to investigate the state of stresses and strains in asphalt mixtures used as overlays as compared to those used in conventional pavement layers. Results from the
318-1 F [CTR] ... FHWA/TX-84/13+318-1F; CTR 3-9-82-318-1F
Full-text Link:
759 KB
A Summary of the Field Compaction of Asphalt Mixtures in Texas
1986 ... by Thomas W. Kennedy, Maghsoud Tahmoressi, James N. Anagnos · This report summarizes the density data which were obtained from 17 construction projects in Texas. The data were analyzed to determine the level of density and variations being achieved. In addition, an evaluation of the adequacy of various density determination
317-2 F [CTR] ... FHWA/TX-87/83+317-2F; CTR 3-9-82-317-2F
Full-text Link:
2.2 MB
Compaction of Asphalt Mixtures and the Use of Vibratory Rollers
1984 ... Thomas W. Kennedy, Freddy L. Roberts, Robert B. McGennis · This report summarizes and investigation of compaction of asphalt concrete and compaction using vibratory rollers. The primary objectives of the study were to clarify terminology associated with compaction and vibratory rollers and to suggest effective operational procedures
317-1 [CTR] ... 0-317-1
Full-text Link:
6.5 MB
Design Procedures for Prestressed Concrete Bridge Decks
1985 ... by R.W. Poston [and three others] · The objective of this study is to investigate the use of deck prestressing as a method of improving durability of bridge decks with the aim of developing suggested AASHTO Specification design requirements to facilitate its use. The results from an experimental test series of prestressed
316-3 F [CTR] ... FHWA/TX-86/41+316-3F; CTR 3-5-82-316-3F
Full-text Link:
3.7 MB
Structural Effects of Transverse Prestressing in Bridge Decks
1985 ... by A.R. Phipps [and five others] · Transverse prestressing is an attractive concept with substantial benefits in both economy and improved durability. This report summarizes a series of interrelated physical tests and computer analyses which were conducted to provide necessary information for development of design criteria for
316-2 [CTR] ... FHWA/TX-86/40+316-2; CTR 3-5-82-316-2
Full-text Link:
7.4 MB
Durability of Prestressed Bridge Decks
1985 ... by R.W. Poston, R.L. Carrasquillo, and J. E. Breen · It is estimated that $500 million dollars is spent annually for repair of bridge decks which suffer from deterioration. The major cause of bridge deck deterioration is corrosion of reinforcing steel induced by exposure to chlorides from deicers and salt water spray. Dissolved salts
316-1 [CTR] ... FHWA/TX-86/16+316-1; CTR 3-5-82-316-1
Full-text Link:
6.4 MB
Production of High Strength Concrete
1983 ... M.B. Peterman and Ramón L. Carrasquillo · This research program constitutes the much-needed first step toward development of the necessary information for using high strength concrete in highway structures in the State of Texas. The main objective of this research program was to establish criteria for selection of materials and
315-1 F [CTR] ... FHWA/TX-84/31+315-1F
Full-text Link:
7.3 MB
FESWMS-TX Two-Dimensional Analysis of Backwater at Bridges: User's Guide and Applications, Phase Two
1983 ... by Larry W. Mays and Cheng-Kang Taur · The objective of this project has been to modify and apply the computer program (FESWMS-TX) for the two-dimensional hydrodynamic analysis of backwater at bridges. The work performed has been to simplify use of the computer program so that it may eventually become a part of the
314-2 F [CTR] ... FHWA/TX-85/38+314-2F; CTR 3-5-84-314-2F
Full-text Link:
2.2 MB
FESWMS-TX Two-Dimensional Analysis of Backwater at Bridges: User's Guide and Applications
1983 ... by Larry W. Mays, Cheng-Kang Taur · The objective of this project has been to modify and apply the computer program (FESWMS-TX) for the two dimensional hydrodynamic analysis of backwater at bridges. The work performed has been to simplify use of the computer program so that it may eventually become a part of the
314-1 [CTR] ... FHWA/TX-85/5+314-1; CTR 3-5-83-314-1
Full-text Link:
4.3 MB
Investigation of Premature Distress in Conventional Asphalt Materials on Interstate 10 at Columbus, Texas
1982 ... by Thomas W. Kennedy, Robert B. McGennis, and Freddy L. Roberts · This report summarizes an investigation of premature distress and failure of an asphalt concrete overlay on IH-10 near Columbus, Texas. The primary objectives of the study were to determine the probable causes of the distress and to make
313-1 [CTR] ... 0-313-1; CTR 3-9-81-313-1
Full-text Link:
2 MB
Implementation Manual for the Use of Rapid-Setting Concretes
1984 ... Mark Temple [and three others] · The repair of damaged portland cement concrete highways can be accomplished quickly with the use of rapid-setting patching materials and accelerated portland cement concrete. These materials are more expensive than other patching materials, but the added expense is more than made up
311-7 F [CTR] ... FHWA/TX-85/37+311-7F; CTR 3-9-82-311-7F
Full-text Link:
1.3 MB
Laboratory Evaluation of Mixing Methods for Rapid-Setting Repair Materials
1984 ... Richard D. Ballou Jr., David W. Fowler, Alvin H. Meyer · This study was an evaluation of variations in mixing energy and variations in the quantity of concrete mixed for rapid setting repair materials. The normal mixing energy of the one-cubic-foot drum mixer produced concrete with higher compressive and flexural strengths more
311-6 [CTR] ... FHWA/TX-85/40+311-6
Full-text Link:
1.4 MB
Evaluation of Fiber Reinforced Rapid-Setting Materials for Highway Repair
1984 ... Mark Temple, Alvin H. Meyer, and David W. Fowler · Using fiber reinforcement with rapid-setting materials is a cost effective and simple way to improve some of the properties of the materials. Whereas the properties of portland cement concrete with fiber reinforcement and properties of rapid-setting materials without fiber
311-5 [CTR] ... FHWA/TX-85/27+311-5
Full-text Link:
4.2 MB
Laboratory and Field Evaluation of Rapid-Setting Materials Used for Repair of Concrete Pavements
1984 ... Kevin G. Smith, David W. Fowler, and Alvin H. Meyer · Minimizing lane down-time is of key importance when repairing concrete pavements in high traffic volume areas. As a result, rapid setting repair materials are in great demand. Many such products are available, however, they differ widely in chemical composition, workability,
311-4 [CTR] ... FHWA/TX-85/20+311-4
Full-text Link:
4.3 MB
Evaluation of Accelerated Concrete as a Rapid-Setting Highway Repair Material
1984 ... David S. Macadem, David W. Fowler, and Alvin H. Meyer · Accelerating admixtures used in combination with portland cement concrete are widely used as rapid setting highway repair materials. There are a wide variety of accelerators available, most of which contain calcium chloride. Several non-chloride type accelerators have
311-3 [CTR] ... FHWA/TX-85/4+311-3
Full-text Link:
5.2 MB
Laboratory Tests on Selected Rapid-Setting Repair Materials
1984 ... George P. Beer [and three others] · Many materials are available for rapid repair of portland cement concrete. This report describes research which was undertaken to (1) investigate test procedures to evaluate rapid-setting repair materials and (2) test selected materials. Report 311-1, "Results of a Survey on the Use of Rapid-
311-2 [CTR] ... FHWA/TX-84/11+311-2
Full-text Link:
2.5 MB
Results of a Survey on the Use of Rapid-Setting Repair Materials
1982 ... by David W. Fowler [and three others] · This report summarizes the current state-of-the-art for rapid-setting materials used to repair concrete in Texas and selected other states. Typical specifications used for rapid-setting materials by the Materials and Tests Division (D-9) are included, and a summary of D-9 test results is
311-1 [CTR] ... FHWA/TX-82/39+311-1
Full-text Link:
969 KB
Lateral Placement of Trucks in Highway Lanes
1983 ... by Clyde E. Lee, P.R. Shankar, Bahman Izadmehr · Two objectives are addressed in this study: (1) to develop a practical technique for estimating the patterns of cumulative traffic loading in each lane of multilane highways, and (2) to define representative frequency distributions of truck wheel placement within highway traffic
310-1 F [CTR] ... FHWA/TX-84/33+310-1F; CTR 3-8-81-310-1F
Full-text Link:
4.5 MB
The Design of an Automated Traffic Counting System with Turning Movement Flow Analysis
1986 ... by Ann M. Mechler, Randy B. Machemehl, Clyde e. Lee · The feasibility of developing an automated system for making vehicular traffic counts for at-grade intersections was investigated. Various conceptual approaches were explored; however, all calculation methods which attempted to deduce traffic-turning volumes
309-1 F [CTR] ... FHWA/TX-87/50+309-1F; CTR 3-18-81-309-1F
Full-text Link:
3.0 MB
Study of the Lateral Pressure of Fresh Concrete as Related to the Design of Drilled Shafts
1983 ... by Juan B. Bernal, Lymon C. Reese · A series of tests were conducted to determine the effect of the consistency of concrete, as measured by the slump test, on the lateral pressure of concrete. Testing conditions simulated the construction of drilled shafts as practiced by the Texas State Department of Highways and Public
308-1 F [CTR] ... FHWA/TX-85/45+308-1F; CTR 3-5-82-308-1F
Full-text Link:
4.4 MB
Development of Unified Ranking Systems for Rigid and Flexible Pavements in Texas
1985 ... by Hosin Lee, W. R. Hudson, C.L. Saraf · The important component of any rehabilitation and maintenance programming is an index or scale for selecting candidate projects for rehabilitation and establishing priority among the candidate projects. In the last two decades, tools and concepts of multiple attribute decision making (MADM)
307-4 F [CTR] ... 0-307-4F; CTR 3-8-81-307-4F
Full-text Link:
304 MB
Development of a Program Level Pavement Management System for Texas
1984 ... by Hosin Lee, W. Ronald Hudson · A Pavement Management System (PMS) methodology is described herein which may assist the Texas State Department of Highways and Public Transportation (SDHPT) in effectively allocating pavement budgets. The framework and essential characteristics of an ideal PMS and subsystems are
307-3 [CTR] ... 0-307-3; CTR 3-8-81-307-3
Full-text Link:
1.9 MB
Development of Prioritization Procedure for the Network Level Pavement Management System
1983 ... by Emmanuel G. Fernando and W. R. Hudson · Over the years funding for maintenance, rehabilitation, restoration, and resurfacing activities has not kept pace with the needs of highway agencies. Consequently, development of a system for managing the pavement network and, in particular, for assisting highway agencies in
307-2 [CTR] ... 0-307-2; CTR 3-8-81-307-2
Full-text Link:
3.1 MB
Development of an Initial Pavement Management System for Texas
1982 ... W. R. Hudson, R.D. Pedigo and E.G. Fernando · The complex nature of highway pavements and the ever-increasing demand placed on them in the face of inflating costs and shrinking purchasing power make efficient, rational management of these assets a necessity. The Pavement Management System (PMS) methodology
307-1 [CTR] ... 0-307-1
Full-text Link:
2.8 MB
The Application of Cumulative Damage Fatigue Theory to Highway Bridge Fatigue Design
1984 ... by Kurt D. Swenson and Karl H. Frank · The influence of small stress cycles caused by the dynamic response of a bridge upon the fatigue life of welded components was studied. Various loading waveforms were used to load a cantilever welded tee specimen. The fatigue life was measured and means of transforming the loading
306-2 F [CTR] ... FHWA/TX-86/07+306-2F; CTR 3-5-81-306-2F
Full-text Link:
5.0 MB
Fatigue Behavior of Welded Joints Subjected to Variable Amplitude Stresses
1983 ... by John M. Joehnk, Karl H. Frank, and Joseph A. Yura · The fatigue behavior of welded steel tees loaded in cantilever bending was examined using simple variable amplitude stress waveforms. These waveforms were developed by superimposing two sine wave signals, i.e., a high frequency/low amplitude signal upon a low
306-1 [CTR] ... FHWA/TX-83/24+306-1; CTR 3-5-81-306-1
Full-text Link:
7.3 MB
Strength and Behavior of Bolt Installations Anchored in Concrete Piers
1984 ... James O. Jirsa [and five others] · In this study, the primary objective was to investigate the strength and behavior of anchor bolt installations. In one phase, high strength anchor bolt groups embedded in reinforced concrete piers were investigated. Bolts with a 1-3/4-in. diameter and a yield stress of 105 ksi were used. The
305-1 F [CTR] ... FHWA/TX-85/51+305-1F
Full-text Link:
9.5 MB
Characterizing the Quality of Traffic Service in Urban Street Networks
1984 ... by Robert Herman, Siamak Ardekani · The characterization of the quality of traffic service in urban street networks has been made according to the Two-Fluid Model of Town Traffic. A comparison of traffic related characteristics in various cities around the world using the Two-Fluid methodology has given insight into the physical
304-2 F [CTR] ... FHWA/TX-85/44+304-2F; CTR 3-8-80-304-2F
Full-text Link:
6.3 MB
Quality of Traffic Service: Summary Report
1982 ... Siamak Ardekani and Robert Herman · The Two-Fluid Model of Town Traffic has been used in this study to model the quality of traffic service in the central traffic networks of Austin and Dallas. The Two-Fluid Model is based on the view that traffic consists of two fluids, one consisting of the moving vehicles and the other, the vehicles
304-1 Summary [CTR] ... 0-304-1 (S) ... Summary Report (Center for Transportation Research), 304-1
Full-text Link:
188 KB
Quality of Traffic Service
1982 ... by Siamak Ardekani, Robert Herman · The Two-Fluid Model has been used to model the quality of service in Austin and Dallas traffic networks. In addition, the physical interpretation of the model parameters is closely examined. Furthermore, the Two-Fluid Model is slightly modified to better predict the average minimum trip time
304-1 [CTR] ... FHWA/TX-83/17+304-1; CTR 3-8-80-304-1
Full-text Link:
2.6 MB
Effect of Transverse Strand Extensions on the Behavior of Precast Prestressed Panel Bridges: Summary Report
1982 ... L.A. Bieschke and R.E. Klingner · One of the newer types of composite bridge construction includes the use of precast prestressed concrete panels which span between longitudinal girders and act as formwork and base for the cast-in-place deck. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
303-1 F Summary [CTR] ... 0-303-1F (S) ... Summary Report (Center for Transportation Research), 303-1F
Full-text Link:
146 KB
The Effect of Transverse Strand Extensions on the Behavior of Precast Prestressed Panel Bridges
1982 ... by L.A. Bieschke and R. E. Klingner · A series of static and dynamic loading tests was conducted on a full-scale bridge specimen constructed using prestressed precast panels placed on top of prestressed precast girders and covered with a cast-in-place bridge deck. The north half had panels with transverse prestressing strands
303-1 F [CTR] ... FHWA/TX-82/18+303-1F; [Report 0-303-1]
Full-text Link:
14.7 MB
Automobile Accident Reconstruction by Dynamic Simulation
1983 ... by Walter S. Reed · The overall motivation for this study is to improve the safety of automobile travel through a better understanding of the predominant characteristics which lead to an accident and influence injury severity. Quantification of conditions of accidents and vehicle and occupant behavior have currently led to many
302-1 F [CTR] ... 0-302-1F; CTR 3-18-80-302-1F
Full-text Link:
2.6 MB
Hydraulic Performance of Culverts with Safety Grates
1983 ... Larry W. Mays [and three others] · The purpose of this research was to establish through an experimental study, the hydraulic characteristics of culvert end treatments (safety grates) on both box and pipe culverts. A significant amount of work has been performed in the past to establish the hydraulic characteristics of culverts, but
301-1 F [CTR] ... FHWA/TX-82/55+301-1F
Full-text Link:
6.3 MB
Fatigue Behavior of Pretensioned Concrete Girders
1984 ... T.R. Overman, John E. Breen, and Karl H. Frank · This report summarizes the fatigue testing of full scale precast pretensioned girders with unshored cast-in-place slabs. It includes an extensive literature review of prestressed concrete fatigue and development of design specifications relating to fatigue of prestressed concrete.
300-2 F [CTR] ... FHWA/TX-85/39+300-2F
Full-text Link:
14.0 MB
A Fatigue Study of Prestressing Strand
1983 ... Conrad Paulson, Jr., Karl H. Frank, John E. Breen · This study reviews the literature which reports on fatigue studies of prestressing strand and also presents the results of a series of strand fatigue tests. The fatigue tests compared tests on samples of strand fatigue tests. The fatigue tests compared tests on samples of strand
300-1 [CTR] ... FHWA/TX-82/54+300-1
Full-text Link:
3.4 MB
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