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American Association of State and Highway Transportation Officials, 2022
Publisher: AASHTO
File Format: PDF
$43.00$86.00
Pages:8
File Size:1 file , 900 KB
Note:This product is unavailable in Ukraine, Russia, Belarus
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.
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