Pavement Overlay Design Procedures and Assumptions, Volume II: Questionnaire Responses and Sensitivity Figures
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1986-08-01
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Edition:Final report
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Abstract:This is the second of a three volume report prepared to provide highway engineers a ready reference on overlay design procedures. It contains the results of a questionnaire concerning use of overlay design procedures by state agencies and appendices for the first volume including the figures for the sensitivity analysis. The first volume (FHWA/RD-85/006) summarizes major overlay procedures, documenting their development and the conceptual basis of each and analyzing their sensitivity to required input data. It contains sample designs and discusses how to "calibrate" an overlay design procedure for local use. The third volume (FHWA/RD-85/008) contains a discussion of the evaluation procedure needed for determining if an overlay is required, the basic requirements of an overlay design procedure, reflection crack concerns, preoverlay repair recommendations, selection of the proper overlay type, and timing of overlay construction. These reports were designed to provide assistance in determining what overlay design procedures are available for adoption, conversion, and use by an agency. In particular, this volume provides an insight as to what procedures are presently being used by state highway agencies. The sensitivity figures were placed in this volume so that they could be reviewed at the same time the reader is reading volume one.
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