Synthetic Fibers in Asphalt Paving Mixtures

Button, Joe W.; Hunter, Thomas G.

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Synthetic Fibers in Asphalt Paving Mixtures

1984-11-01
By Button, Joe W. ; Hunter, Thomas G.

File Language:

English

Details

Creators:

Button, Joe W. ; Hunter, Thomas G.
Corporate Creators:

Texas Transportation Institute. Texas A&M University
Corporate Contributors:

Texas State Department of Highways and Public Transportation ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHWA/TX-85/73+319-1F
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States
Edition:

Final Report: September, 1984 - November, 1984
Corporate Publisher:

Texas Transportation Institute. Texas A&M University
Description:

Laboratory and field tests were performed to evaluate eight types of chopped synthetic fibers as additives to reduce cracking in hot mixed asphalt concrete. Laboratory tests included Hveem and Marshall stability, resilient modulus, indirect tension, flexural and tensile fatigue, creep and resistance to moisture damage. Thin overlays were placed in East and West Texas and observed for periods of one and two years, respectively. Laboratory tests showed that fibers added flexibility to a paving mixture and improved resistance to crack propagation; however, they also increased compaction requirements. There was no significant difference in the performance of any of the eight different fibers. Based on review of literature and early field performance data, the cost effectiveness of fibers as an additive to reduce cracking in asphalt paving mixtures appears questionable.
Format:

PDF
Funding:

2-9-82-319
Download URL:

https://rosap.ntl.bts.gov/view/dot/84853/dot_84853_DS1.pdf
File Type:

[PDF - 4.74 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:2976fb4ead0053a5750cbaf08cb6d5d1bc723493a46d972d75af62834d19d8187a1cdf9593e0fc8f8e0586b58545e60af81222d1370a2364a71d22dd0e299b23

File Language:

English

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