MnDOT thin whitetopping selection procedures : final report.

Taylor, Peter; Vandenbossche, Julie; Fick, Gary J.; Harrington, Dale S.

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MnDOT thin whitetopping selection procedures : final report.

2017-06-01
By Taylor, Peter ; Vandenbossche, Julie ; Fick, Gary J.

File Language:

English

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Creators:

Taylor, Peter ; Vandenbossche, Julie ; Fick, Gary J. ; Harrington, Dale S.
Corporate Creators:

Iowa State University. National Concrete Pavement Technology Center
Corporate Contributors:

Minnesota. Dept. of Transportation. Research Services & Library
Subject/TRT Terms:
Publication/ Report Number:

MN/RC 2017-24
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final report
Corporate Publisher:

Minnesota. Dept. of Transportation. Research Services & Library
Abstract:

This report provides an integrated selection procedure for evaluating whether an existing hot-mix asphalt (HMA) ; pavement is an appropriate candidate for a bonded concrete overlay of asphalt (BCOA). The selection procedure ; includes (1) a desk review, (2) coring, (3) visual examination (site visit), (4) additional coring and/or laboratory ; testing (optional), (5) preparation of preliminary estimates (optional), and (6) a final report with design ; recommendations. This project also included an analysis of material testing performed by the Minnesota ; Department of Transportation (MnDOT) on numerous HMA cores to determine if the performance of existing ; BCOAs could be correlated to HMA material properties. The results of the laboratory testing were inconclusive. ; None of the existing HMA material properties tested could be correlated to long-term BCOA performance due to ; the high variability among the measured parameters within a section, the small number of cores per section, and ; the fact that the sections investigated exhibited little or no distress that could be attributed to the asphalt layer’s ; properties. Although no conclusions could be made from the limited laboratory testing, it is fair to say that the ; BCOAs from these projects were performing as designed.
Format:

PDF
Funding:

(C) 99004 (WO) 22
Download URL:

https://rosap.ntl.bts.gov/view/dot/32640/dot_32640_DS1.pdf
File Type:

[PDF - 5.52 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:421867e99d0572557be5d0e187edd70dd2852eb0c2f3145d1bb24a3c7f1670b112300d9f31f4c87b263d54bc43ea0a8e4437f2ca4a4f9957be0841aa58915b42

File Language:

English

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