Enhanced In-Place Density: Different Specification Types Can Be Used To Achieve Performance

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Enhanced In-Place Density: Different Specification Types Can Be Used To Achieve Performance

2022-12-01
By United States. Department of Transportation. Federal Highway Administration

File Language:

English

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Corporate Creators:

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

Asphalt Pavements Pavement Performance Service Life Testing
Publication/ Report Number:

FHWA-HIF-20-094
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

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

Although several factors can influence the performance of an asphalt pavement, one of the most important is in-place density. A small increase in density can potentially lead to a significant increase in service life of asphalt. Highway agencies use specifications to achieve acceptable in-place density on their asphalt pavements. Density acceptance test results were analyzed from several Departments of Transportation (DOTs) across the country to determine the state of practice for achieving in-place density. The results were used to identify DOTs with effective in-place density specifications that minimized the amount of test results below the 92.0 percent threshold. Most agencies with highly effective specifications used either percent within limits (PWL) or a lot average approach.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

urn:sha-512:b0d8a20ae351017b793b2a59382c658dbb4c2b5ddb034d7107df71f2c8f2d4d993c0e874e44960450417b2c96fb05fbc4cb232d718ecf63f2d1ff4c14ae736f2
Download URL:

https://rosap.ntl.bts.gov/view/dot/71840/dot_71840_DS1.pdf
File Type:

[PDF - 15.30 MB ]

File Language:

English

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