2183619

AASHTO TP 141-20

Standard Method of Test for Determining the Indirect Tensile Nflex Factor to Assess the Cracking Resistance of Asphalt Mixtures

standard by American Association of State and Highway Transportation Officials , 2020

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Full Description

This test method covers the determination of cracking resistance of asphalt mixtures using the indirect tensile (IDT) geometry at 25°C. The Toughness (area beneath the stress-estimated strain data) and Brittleness Slope (post peak stress-estimated strain rate) are used to calculate a parameter referred to as the Nflex factor, which may be a useful indicator of load-related cracking of asphalt pavement layers.

This procedure applies to test specimens having a nominal maximum aggregate size (NMAS) of 19 mm or less. Lab compacted specimens or field core specimens can be used.

 

Product Details

Published:
2020
Number of Pages:
8
File Size:
1 file , 1.1 MB
Product Code(s):
TP141-20-UL, TP141-20-UL, TP141-20-UL
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. AASHTO TP 141-22


    Standard Method of Test for Determining the Indirect Tensile Nflex Factor to Assess the Cracking Resistance of Asphalt Mixtures

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  2. AASHTO TP 141-20

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    Standard Method of Test for Determining the Indirect Tensile Nflex Factor to Assess the Cracking Resistance of Asphalt Mixtures

    • Historical Version