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Showing 32881 - 32900 of 36747 results
  • The performance of pile driving systems inspection manual
    The performance of pile driving systems : inspection manual.
    Rausche, F. ;
    Likins, G. E.
    1986-12-01 | PDF
    A study was undertaken on the performance of pile driving systems and the existinytechnology for the measurement of performance parameters was reviewed, This reportis an inspection manual for use by pile driving inspectors and engineers to ascertainthat the pile hammer conforms to certain minimum standards, and to record observationson hammer and d ...
  • Relative Mobility in Texas Cities 1975 to 1984
    Relative Mobility in Texas Cities, 1975 to 1984
    Lomax, Timothy J.
    1986-12-01 | PDF
    The major urban areas in Texas have experienced a period of unprecedented growth. Along with that growth came significant increases in traffic congestion with corresponding declines in urban mobility. This study uses available traffic data to assess the relative mobility levels in Austin, Corpus Christi, Dallas, El Paso, Fort Worth, Houston and San ...
  • Development of an improved overlay design procedure for Oregon vol I interim report background and framework
    Development of an improved overlay design procedure for Oregon : vol. I, interim report, background and framework.
    Eichhorn, Constance L. ;
    Hicks, R. G.
    1986-12-01 | PDF
    This report is the first in a three-volume series dealing with the development of an improved overlay design procedure for Oregon. This report presents the results of the first-year findings and includes: (1) a detailed review of the literature; (2) the development of the framework for an improved procedure; and (3) an evaluation of data from three ...
  • Comparative Assessment of Computer Programs for Traffic Signal Planning Design and Operations Volume II Software Description
    Comparative Assessment of Computer Programs for Traffic Signal Planning, Design, and Operations: Volume II: Software Description
    Radwan, A. Essam ;
    Sadegh, Ahmad
    1986-12-01 | PDF
    The main goal of this study was to comparatively assess a group of selected computer programs for traffic signal planning, design, and operations. A comprehensive inventory was conducted and a detailed list of the currently available computer software was developed. A short description of individual software was provided, and a comparative processo ...
  • Effects of Salts on Road Embankment Stability Under Freezing and Thawing Conditions Final Report
    Effects of Salts on Road Embankment Stability Under Freezing and Thawing Conditions Final Report
    Reckard, Matthew K. ;
    Kinney, Thomas C.
    1986-12-01 | PDF
    A frost heave test performed on a base course material as part of an earlier study indicated that the addition of 0.1% calcium chloride reduced heave by 50%, while 0.5% reduced heave by 95%. The gravel was of a type widely used in Interior Alaska for highway base and subbase materials. In response to this, a more detailed study was undertaken to as ...
  • Comparative Assessment of Computer Programs for Traffic Signal Planning Design and Operations Volume II Software Description
    Comparative Assessment of Computer Programs for Traffic Signal Planning, Design, and Operations: Volume II, Software Description
    Radwan, Essam ;
    Sadegh, Ahmad
    1986-12-01 | PDF
    The main goal of this study was to comparatively assess a group of selected computer programs for traffic signal planning, design, and operations. A comprehensive inventory was conducted and a detailed list of the currently available computer software was developed. A short description of individual software was provided, and a comparative processo ...
  • Silane Chemical Protection of Bridge Decks
    Silane Chemical Protection of Bridge Decks
    Smith, Mitchell D.
    1986-12-01 | PDF
    This report describes the performance of alkyltrialkoxysilane chemical products and their ability to protect bridge structures from moisture, chloride ingression, and corrosion of reinforcing steel. As a result of the evaluation, the following recommendations are made: (1) The application of silane should be used to protect bridge structures from m ...
  • Asphalt Additives for Increased Pavement Flexibility
    Asphalt Additives for Increased Pavement Flexibility
    Button, Joe W. ;
    Little, Dallas N.
    1986-11-01 | PDF
    Research was performed to evaluate asphalt additives as economic treatments to reduce premature cracking without adversely affecting rutting. Five asphalt additives were selected and evaluated in a comprehensive laboratory test program. Additives selected for evaluation included block copolymer rubber, SBR latex, ethylene vinyl acetate, polyethylen ...
  • Condition Survey of Continuous Bridge Decks
    Condition Survey of Continuous Bridge Decks
    Furr, Howard L. ;
    Pendleton, Olga
    1986-11-01 | PDF
    A field survey was conducted to evaluate the performances of Texas highway bridges with continuous decks and to compare those performances with comparable bridges with noncontinuous decks. The visual inspections were geographically distributed over the entire state to account for different climatic conditions found in the state. Bridges with contin ...
  • In Situ Determination of Elastic Moduli of Pavement Systems by SpectralAnalysisofSurfaceWaves Method Theoretical Aspects
    In Situ Determination of Elastic Moduli of Pavement Systems by Spectral-Analysis-of-Surface-Waves Method (Theoretical Aspects)
    Nazarian, Soheil ;
    Stokoe II, Kenneth H.
    1986-11-01 | PDF
    The Spectral-Analysis-of-Surface-Waves (SASW) method is an in-situ testing method for determining shear wave velocity profiles of soil sites and stiffness profiles of pavement systems. The method is nondestructive and is performed entirely from the pavement or ground surface. Measurements are made at strains below 0.001 percent where elastic proper ...
  • Applications and Limitations of the SpectralAnalysisofSurfaceWaves Method
    Applications and Limitations of the Spectral-Analysis-of-Surface-Waves Method
    Sheu, Jiun-Chyuan ;
    Stokoe II, Kenneth H.
    1986-11-01 | PDF
    The Spectral-Analysis-of-Surface-Waves (SASW) method is an in situ seismic method for nondestructively determining the modulus profiles of geotechnical, pavement, and structural systems. This method requires no boreholes and is performed entirely from the surface of the system being tested. Measurements are made at strains below 0.001 percent where ...
  • Repairing Cracks in Portland Cement Concrete Using Polymers
    Repairing Cracks in Portland Cement Concrete Using Polymers
    Mangum, Wayne D. ;
    Bermudez-Goldman, Alejandro J.
    1986-11-01 | PDF
    Cracking in portland cement concrete pavements and bridge decks causes many problems including reduced stiffness which leads to greater deflections and additional cracking. Water and chlorides are able to penetrate cracks resulting in freeze-thaw deterioration and corrosion of reinforcement. Several methods of repairing cracks were investigated in ...
  • Laboratory and field performance of silane antistrip agent
    Laboratory and field performance of silane anti-strip agent
    Gemayel, Chaouki A.
    1986-11-01 | PDF
    A previous ADOT research project resulted in strong evidence that the use of organo-silane as an asphalt additive was very effective in preventing stripping in asphalt concrete pavements. A test section approximately 2800 ft long and 12 ft wide incorporating a silane agent, Dow Corning 990, was placed on the crossroad of the east Williams T. I. on ...
  • Larger Trucks on Texas Highways
    Larger Trucks on Texas Highways
    Burke, Dock
    1986-11-01 | PDF
    This report contains the summarized results of the major research tasks in this study. The tasks, which have been reported in detailed separate reports, were: 1) annotated bibliography on truck elements (Report 397-1); 2) truck accident frequencies and severities (Report 397-4); 3) effects of larger trucks on passenger car equivalents - PCE (Report ...
  • Micro Surfacing with Natural Latex Modified Emulsion
    Micro Surfacing with Natural Latex Modified Emulsion
    Pederson, Carl M.
    1986-11-01 | PDF
    This is the final report for the use of emulsified asphalt in a relatively new process called "Ralumac Micro Surfacing". This process was developed in Germany and was first used in the United States in late 1980. In 1982, personnel from the Oklahoma Department of Transportation (ODOT) Observed projects in another state and proposed a project in Okl ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1986-10-29 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1986-10-23 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1986-10-15 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Increased Capacity of Highways and Arterials through the Use of Flyovers and Grade Separated Ramps
    Increased Capacity of Highways and Arterials through the Use of Flyovers and Grade Separated Ramps
    Bonilla, Carlos ;
    Urbanik II, Thomas
    1986-10-01 | PDF
    This study analyzes grade separated ramps serving frontage roads to investigate operational and geometric requirements, to prepare guidelines on benefit and cost analysis and to propose warranting conditions. It has been observed that grade separated ramps can be a cost-effective solution to weaving on freeways created by contiguous on- and off-ram ...
  • Concrete cylinder mold investigation summary report October 1986
    Concrete cylinder mold investigation : summary report, October 1986.
    Wence, Donald E. ;
    George, Anthony J.
    1986-10-01 | PDF
    No Description
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