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The Development Of Smoothness Specifications For Rigid And Flexible Pavements In Texas
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Book Synopsis The Development of Smoothness Specifications for Rigid and Flexible Pavements in Texas by : Robert Harrison
Download or read book The Development of Smoothness Specifications for Rigid and Flexible Pavements in Texas written by Robert Harrison and published by . This book was released on 1991 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because both the highway agency and the traveling public desire a smooth pavement surface, there exists a need to ensure smoothness and ride quality. Indeed, a smooth road profile has become a standard measure of pavement quality. This report details the initial work on pavement smoothness criteria, including in particular the issues related to financial incentives and the instrumentation used for measuring profiles on newly laid rigid pavements.
Book Synopsis The Development of Smoothness Specifications for Rigid and Flexible Pavements in Texas by :
Download or read book The Development of Smoothness Specifications for Rigid and Flexible Pavements in Texas written by and published by . This book was released on 1991 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis End-result Smoothness Specifications for Rigid and Flexible Pavements in Texas by : Dimitrios G. Goulias
Download or read book End-result Smoothness Specifications for Rigid and Flexible Pavements in Texas written by Dimitrios G. Goulias and published by . This book was released on 1992 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report focuses on the development of a methodology for determining an end-result smoothness specification for use on newly constructed flexible and rigid pavements. Details of the experimental study and data analysis undertaken to define acceptance levels using several criteria are presented, along with necessary guide-lines that can be used for the training of personnel involved in the implementation of the smoothness specifications. Finally, the report correlates profile index with other roughness indices.
Book Synopsis Development of the Texas Flexible Pavements Database by :
Download or read book Development of the Texas Flexible Pavements Database written by and published by . This book was released on 2010 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a unified ranking system for rigid and flexible pavements in the State of Texas by : Hosin Lee
Download or read book Development of a unified ranking system for rigid and flexible pavements in the State of Texas written by Hosin Lee and published by . This book was released on 1985 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research Abstracts written by and published by . This book was released on 1993 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Variability in Highway Pavement Construction by : Charles S. Hughes
Download or read book Variability in Highway Pavement Construction written by Charles S. Hughes and published by Transportation Research Board. This book was released on 1996 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to state DOT construction, materials, statistical, specification, and inspection engineers; DOT research staff; pavement construction material suppliers; highway construction contractors; and civil engineering consulting firms, including field and laboratory materials testing personnel. The synthesis describes the state of the practice for defining and measuring variability in highway pavement construction. Data obtained from a review of the literature, a survey of state departments of transportation (DOTs), and discussions with selected state DOT personnel and private materials producers are presented. This report of the Transportation Research Board defines several measures of variability but concentrates on the use of standard deviation as the usual measure of variability. The synthesis updates reported typical variabilities found in materials and construction specifications. Also included are discussions of current research activities as related to variability, how variability can be used in the development of specification limits, the use of incentives and disincentives in specifications, and the need for additional information on the variability of several materials and construction processes.
Book Synopsis Development of Profile-based Smoothness Specification for Asphalt Concrete Overlays by : E. G. Fernando
Download or read book Development of Profile-based Smoothness Specification for Asphalt Concrete Overlays written by E. G. Fernando and published by . This book was released on 1998 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Texas State Publications written by and published by . This book was released on 1993 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Development of New Load Equivalence Factors for Flexible Pavement Design in Texas by : Robert L. Lytton
Download or read book The Development of New Load Equivalence Factors for Flexible Pavement Design in Texas written by Robert L. Lytton and published by . This book was released on 1987 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :University of Texas at Austin. Center for Transportation Research Publisher : ISBN 13 : Total Pages :32 pages Book Rating :4.3/5 (555 download)
Book Synopsis Center for Transportation Research, Bureau of Engineering Research, the University of Texas at Austin by : University of Texas at Austin. Center for Transportation Research
Download or read book Center for Transportation Research, Bureau of Engineering Research, the University of Texas at Austin written by University of Texas at Austin. Center for Transportation Research and published by . This book was released on 1991 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Association of State Highway and Transportation Officials Publisher :AASHTO ISBN 13 :1560510552 Total Pages :622 pages Book Rating :4.5/5 (65 download)
Book Synopsis AASHTO Guide for Design of Pavement Structures, 1993 by : American Association of State Highway and Transportation Officials
Download or read book AASHTO Guide for Design of Pavement Structures, 1993 written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 1993 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Book Synopsis Surface-Smoothness Evaluation and Specifications for Flexible Pavements by : G. Elkins
Download or read book Surface-Smoothness Evaluation and Specifications for Flexible Pavements written by G. Elkins and published by . This book was released on 1990 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The quality of smoothness of a newly constructed or overlaid pavement dictates the beginning of pavement management. Adequate acceptance testing procedures and specifications for pavement smoothness have not been available for flexible pavements. Smoothness specifications based on a 10-ft (3.05 m) straightedge has a number of limitations and is difficult to interpret and administer. This paper describes the results of a comprehensive study of several different roughness measuring devices undertaken to select a suitable device in order to develop and implement improved specifications for pavement smoothness. The candidate devices included the 690D Profilometer, Model 8300 Roughness Surveyor, Maysmeter, California Profilograph, and Rainhart Profilograph.
Book Synopsis Pavement Smoothness Index Relationships by : Kelly L. Smith
Download or read book Pavement Smoothness Index Relationships written by Kelly L. Smith and published by . This book was released on 2002 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nearly all State highway agencies use smoothness specifications to ensure that hot-mix asphalt (HMA) and portland cement concrete (PCC) pavements are built to high levels of smoothness. About half of all current State smoothness specifications for HMA and more then three-fourths of all current PCC smoothness specifications are centered around the Profile Index (PI), as often measured using a profilograph. The vast majority of these specifications utilize a 5-mm (0.2-in.) blanking band in computing PI (i.e., PI5-mm). Assistance in selecting appropriate IRI and PI0.0 specification limits is needed to provide a basis for modifying current specifications to these more reproducible and portable smoothness indices. This research effort has developed a series of relationships between IRI and PI that can assist States in transitioning to IRI or PI0.0 smoothness specification for HMA and PCC pavements.
Download or read book Transportation Research Record written by and published by . This book was released on 1997 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Device Harmonization to Determine Smoothness Specification for Asphalt Pavements by : J-S Chen
Download or read book Device Harmonization to Determine Smoothness Specification for Asphalt Pavements written by J-S Chen and published by . This book was released on 2006 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pavement smoothness is a key factor in determining highway user satisfaction. Because of technical limitations of traditional equipment and measurement procedures, the adequacy of a straightedge in characterizing roughness and having it relate to user response has come to question. One barrier to more widespread implementation of a new smoothness standard is the lack of objective, verifiable correlation methods for use in establishing specification limits. The purpose of this study was to (1) develop statistical approaches to harmonize two different measurement devices, i.e., a 3-m straightedge and an inertial profiler; and (2) determine the specification for flexible pavements. The device harmonization requires the development of procedures for statistically testing through comparisons to reference measurements. Data collected from 85 pavement sections on newly constructed and resurfaced highways were examined to demonstrate the device's ability to measure specific smoothness properties. Smoothness data are shown to be normally distributed according to the chi-squared test. Test results obtained from straightedge are found to be significantly different from those from profiler. Smoothness specifications applied for straightedge cannot be directly used to those for profiler. A conversion equation is developed to help contractors convert smoothness measurements between these two devices based on the same acceptance level. The International Roughness Index (IRI) obtained from the profiler appears to provide better measures of smoothness and better correlation with user response. Four following ranges are proposed for the smoothness specification according to the acceptance smoothness level: bonus, full pay, penalty, and correction. As the acceptance probability sets at 20%, the bonus threshold value should be less than 1.20 mm and 2.55 m/km for straightedge and profiler, respectively. The acceptance level is found to be below 2.60 mm and 3.60 m/km for straightedge and profiler, respectively. The demarcation line between penalty and correction is drawn at 95% of the acceptance probability with corresponding values of 3.35 mm and 4.10 m/km for straightedge and profiler, respectively. This research effort has developed a series of relationships between IRI and straightedge that can assist highway agencies in transitioning to IRI smoothness specification for pavements.
Book Synopsis New Concrete Technology by : Tony C. Liu
Download or read book New Concrete Technology written by Tony C. Liu and published by . This book was released on 1993 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
