New Technologies for Assessing Quality of HMA Overlays (0-4577-S)

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Author(s):

S.D. Sebesta, T. Scullion, W. Liu

Publication Date:

August 2005

Abstract:

Improved methods for evaluating the quality and uniformity of hot-mix asphalt (HMA) overlays have become available over the past few years. Non-nuclear density gauges introduced to market provide rapid alternatives to nuclear gauges for field measurements of pavement density. Additionally, developed infrared imaging and ground-penetrating radar (GPR) technologies can provide rapid assessment of a project for segregation, uniformity, and overall quality, as illustrated through previous Texas Department of Transportation (TxDOT) Project 0-4126. This current project 0-4577 focused on evaluation of available non-nuclear density gauges and further refinement of infrared imaging and GPR for use in evaluating HMA overlays.

Report Number:

0-4577-S

Keywords:

Further Development of NDT Devices to Identify Segregation in HMAC

Electronic Link(s):

Document/Product: http://tti.tamu.edu/documents/0-4577-S.pdf

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