Acquisition and evaluation of Hamburg wheel-tracking device

Hall, Kevin D.; Williams, Stacy G.

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Acquisition and evaluation of Hamburg wheel-tracking device

1999-04-01
By Hall, Kevin D. ; Williams, Stacy G.

[PDF-674.09 KB]

English

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Creators:

Hall, Kevin D. ; Williams, Stacy G.

Hall, Kevin D. ; Williams, Stacy G. Less -
Subject/TRT Terms:

[+]

Asphalt Concretes Asphalt Mixtures Bituminous Cements Evaluation Hamburg Wheel-Tracking Device Hamburg Wheel Tracking Device Hot Mix Paving Mixtures Pavement Compaction Performance Testing Recommendations Superpave Test Methods Tests Wheel-tracking
Publication/ Report Number:

MBTC FR-1044
Resource Type:

Tech Report
Edition:

Technical memorandum
Corporate Publisher:

Mack-Blackwell National Rural Transportation Study Center (U.S.)
Abstract:

Surrogate performance tests, or "proof" tests, for asphalt mixtures are being evaluated by states to gauge mixture performance potential in the lab. The University of Arkansas constructed, ERSA (Evaluator of Rutting and Stripping in Asphalt) to "screen" mixes with respect to performance potential regarding rutting and stripping. A Superpave field mix was sampled from I-30 near Little Rock, Arkansas. Loose mix was compacted in the laboratory using the gyratory compactor. Field cores and prismatic beams were taken from locations on the job corresponding to the trucks from which the loose mix was sampled. A series of ERSA tests were conducted on the specimens using testing specifications similar to the Hamburg type of wheel-tracking test. Results suggest that cylindrical specimens (cores) and prismatic beam specimens behave similarly in the wheel-tracking test. In addition, results suggest that sawing a "flat" face on cylindrical specimens (to ensure contact between paired specimens) does not significantly affect wheel-tracking test results. Gyratory-compacted specimens exhibited significantly lower rut depths than field-compacted specimens; this result warrants additional testing to establish and validate the relationship between the performance of gyratory-compacted and field-compacted specimens.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

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urn:sha256:2f132bf2e07ef1a5ab9b66aee0ba32a91f62f88c244af74b8262b6e14bcaeede
Download URL:

https://rosap.ntl.bts.gov/view/dot/14367/dot_14367_DS1.pdf
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Acquisition and evaluation of Hamburg wheel-tracking device

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