公路沥青混凝土路面材料高温稳定性研究

doi:10.11896/cldb.20080036

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Abstract High temperature stability is one of thehighway performance of asphalt concrete. In order to better apply Supave-13, SMA-13 and AC-13C in high-grade highway pavement, and reduce the deformation of asphalt concrete pavement caused by insufficient high temperature stability, Supave-13, AC-13C and SMA-13 were subjected to dynamic stability test, uniaxial creep test, rebound modulus and compressive strength test. It was found that the dynamic stability of Supave-13 under the load of 0.7 MPa It was larger than SMA-13 and AC-13C; under the condition of 1.05 MPa load, the dynamic stability of Supave-13 was smaller than other ones; the stiffness modulus of Supave-13 mixture was significantly greater than that of the other two; rebound modulus of Supave-13 and AC-13C, were equivalent and greater than SMA-13; the compressive strength of Supave-13 was significantly greater than that of AC-13C and SMA-13; the compressive strength of both AC-13C and SMA-13 was equivalent. Comprehensive comparative analysis showed that the high temperature stability of Supave-13 was stronger than the other two asphalt mixtures.

Key words： asphalt mixture high stability rutting test creep test rebound modulus

Published: 02 December 2020

CLC number:

U416

Fund:This work was financially supported by National Key Research and Development Program of China(2018YFB1601001)

About author:: Lingling Wu, received her Ph.D degrees in October 2007 from Tongji University in engineering. She is currently an associate professor in Chongqing Jiaotong University and focusing on the research of transportation engineer.Qiliang Renreceived his Ph.D degrees in October 2007 from Southwest Jiaotong University in engineering. He is currently an professor in Chongqing Jiaotong University and focusing on the research of transportation engineer.

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Cite this article:

WU Lingling,REN Qiliang,LUO Li. High Temperature Stability Test for Asphalt Concrete of Pavement Materials in Highway[J]. Materials Reports, 2020, 34(22): 22083-22086.

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http://www.mater-rep.com/EN/10.11896/cldb.20080036 OR http://www.mater-rep.com/EN/Y2020/V34/I22/22083

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