Technology Deployed in MATC: Overlay Test (OT)

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Technology Deployed in MATC: Overlay Test (OT)

2021-01-01
By United States. Department of Transportation. Federal Highway Administration

File Language:

English

Details

Corporate Creators:

United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. Federal Highway Administration
Abstract:

The OT applies repeated direct tension loads to asphalt mixture specimens by fixing one side of the specimen to one block and allowing the other side to slide to apply tension in a cyclic triangular waveform to a constant maximum displacement of 0.025 inches. The result of the OT is an evaluation of the specimen’s critical fracture energy parameter and resistance index. Specimens are cut from a gyratory pill, with 7.0±1.0 percent air voids, and conditioned at the test temperature (77°F) for at least one hour before testing.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/56215/dot_56215_DS1.pdf
File Type:

[PDF - 1.05 MB]
Collection(s):

Federal Highway Administration
Main Document Checksum:

urn:sha-512:5997ed863ed21bfdc7d7b40ee092a3199488e12508fab640260b4e72eb60da04edc8d59962daf713067a34a55b219e2c3d721d60c37a524a8d5e7ad9225c5122

File Language:

English

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