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Standard Test Method for Determining the Permanent Shear Strain and Complex Shear Modulus of Asphalt Mixtures Using the Superpave Shear Tester (SST) (Withdrawn 2019)
Automaticky preložený názov:
Štandardná skúšobná metóda pre stanovenie kmeňa Permanent šmyku a komplexný modul pružnosti v šmyku asfaltových zmesí Použitie Superpave šmyku tester (SST)
NORMA vydaná dňa 1.12.2010
Označenie normy: ASTM D7312-10
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.12.2010
Kód tovaru: NS-38137
Počet strán: 9
Približná hmotnosť: 27 g (0.06 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
complex shear modulus, frequency sweep, permanent strain, repeated shear, shear testing, Superpave shear tester (SST), Asphalt paving mixtures, Shear modulus, Shear strain, SST (superpave shear tester), ICS Number Code 93.080.20 (Road construction materials)
Significance and Use | ||||||||||||||||||||||||||||
The test procedures and associated analysis techniques described in this method can be used to determine complex shear modulus and permanent shear strain of asphalt mixtures. The shear frequency sweep test at constant height can be used to determine the complex shear modulus of a mixture. The repeated shear test at constant height can be used to determine permanent shear strain under repeated loading. Note 4—The complex shear modulus is used to characterize the shear behavior of the mixture, and the permanent shear strain relates to pavement rutting. |
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1. Scope | ||||||||||||||||||||||||||||
1.1 This standard provides performance-related test procedures for the determination of stiffness complex shear modulus and permanent shear strain of asphalt mixtures using the Superpave Shear Tester (SST). This standard is applicable to the testing and analysis of modified and unmodified asphalt mixtures. 1.2 This standard is applicable to specimens prepared in a laboratory or cored from a pavement for post-construction analysis. It is intended for use with specimens having the following minimum dimensions: |
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2. Referenced Documents | ||||||||||||||||||||||||||||
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