NDLI: Development of Procedures for a Statewide Diagnostic Survey on Continuously Reinforced Concrete Pavements. Interim Report

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Development of Procedures for a Statewide Diagnostic Survey on Continuously Reinforced Concrete Pavements. Interim Report

Content Provider	Semantic Scholar
Author	Weissmann, Angela Jannini Hankins, Kenneth D.
Copyright Year	1989
Abstract	This report documents the work undertaken in 1987 to develop procedures for a statewide diagnostic survey on continuously reinforced concrete pavements (CRCP), which included the following data: (1) deflections, (2) pavement temperatures, and (3) crack width. These data were used to calibrate a performance prediction model for CRCP in Texas. Since the data needs were quite specific, no appropriate procedure for their collection was found in the literature, and studies were conducted to develop collection procedures for the required data. These studies are documented in this report, and the findings are summarized in Chapter 6 in the form of a manual for field crews. A preliminary analysis made as a basis for planning these studies is also documented. In the study related to crack width, operator ability to repeat and reproduce data for the crack width measuremnets was checked; the minimum number of readings per crack was determined; and a literature survey was taken and documented. The development of a procedure to measure pavement temperature included checking the influences of aggregate type and insulation conditions on temperature estimates, and calibrating models to give temperature and temperature gradient estimates. The phenomenon of heat transfer in solids is briefly discussed, thermocouple principles are explained, and the data acquisition and storage systems are described. A literature survey of Falling Weight Deflectometer measurements is summarized. The concepts underlying the field procedure for measuring deflections are described. The findings described in this document should provide valuable guidance for any agency needing to conduct a similar survey.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://library.ctr.utexas.edu/digitized/texasarchive/phase2/472-4.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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