Asphalt concrete shearing performance test method
A technology of asphalt concrete and testing method, which is applied in the direction of using stable shear force to test the strength of materials, material inspection products, etc. Simple equipment, low requirements, the effect of eliminating the dilation effect
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[0024] The design idea of the asphalt concrete shear performance test method provided by the present invention is to adopt a hollow cylinder test piece, and the size of the test piece is designed to meet the requirement of eliminating the size effect; The load shaft is placed, and the load shaft is bonded to the inner wall of the specimen cylinder, and a uniform shear stress is generated on the inner wall of the specimen by applying torque to the load shaft. The test temperature and load form can be determined according to the research purpose of the user. Mechanical parameters (such as shear modulus) can be obtained by measuring the torsional angular displacement of the load axis and using simple mechanical formulas to obtain it. Through this experimental design, the following two objectives can be achieved:
[0025] ① By applying a uniform shear load to the inner surface of the hollow cylinder, a uniform shear stress can be generated inside the specimen, so the stress-str...
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