0-6744 : new HMA shear resistance and rutting test for Texas mixes.

Faruk, Abu; Lee, Sang Ick; Scullion, Tom; Texas A&M Transportation Institute

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0-6744 : new HMA shear resistance and rutting test for Texas mixes.

2014-08-01
By Faruk, Abu ; Lee, Sang Ick ; Scullion, Tom

[PDF-504.70 KB]

English

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Creators:

Faruk, Abu ; Lee, Sang Ick ; Scullion, Tom

Faruk, Abu ; Lee, Sang Ick ; Scullion, Tom Less -
Corporate Creators:

Texas A&M Transportation Institute
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Asphalt Mixtures Failure Field Tests Hot Mix Paving Mixtures Laboratory Tests Rutting Shear Strength
Publication/ Report Number:

0-6744
Resource Type:

Brief
Geographical Coverage:

Texas
Corporate Publisher:

Texas. Dept. of Transportation. Research and Technology Implementation Office
Abstract:

Traditionally run at one test temperature (122°F), the

Hamburg wheel tracking test (HWTT) (Figure 1) has a

proven history of successfully identifying and screening

hot-mix asphalt (HMA) mixes that are prone to rutting

and/or susceptible to moisture damage (stripping).

However, with the record summer temperatures of

recent years, several premature shear and rutting

failures have occurred in the field with HMA mixes that

had passed the HWTT in the laboratory. Most of these

field failures occurred in high-shear-stress

environments, particularly in areas having:

 Slow-moving (accelerating/decelerating) traffic at

controlled intersections.

 Stop-go traffic.

 Elevated temperatures.

 Heavy/high traffic loading.

 Lower-performance asphalt-binder grades.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:15f799f4d0bd2571ed75cb3de9e2c18069bc03dbde99a339ecbbc9809f62c4d6
Download URL:

https://rosap.ntl.bts.gov/view/dot/28774/dot_28774_DS1.pdf
File Type:

No Additional Files

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0-6744 : new HMA shear resistance and rutting test for Texas mixes.

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