WANG En-dong, ZHANG Hong-liang, WANG Xuan-cang. Experimental research of MAC modified large stone porous asphalt mixture[J]. Journal of Traffic and Transportation Engineering, 2008, 8(6): 6-12.
Citation: WANG En-dong, ZHANG Hong-liang, WANG Xuan-cang. Experimental research of MAC modified large stone porous asphalt mixture[J]. Journal of Traffic and Transportation Engineering, 2008, 8(6): 6-12.

Experimental research of MAC modified large stone porous asphalt mixture

Funds:

Western Traffic Construction Technology Program of China 200531881203

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  • Author Bio:

    WANG En-dong (1966-), Male, Rizhao, Shandong, Doctoral Student of Chang'an University, Research on Pavement Material, +86-531-82316688, wangendong@sheg.com.cn

    WANG Xuan-cang (1956-), Male, Xi'an, Shaanxi, Professor of Chang'an University, +86-29-82334836, wxc2005@163.com

  • Received Date: 2008-06-10
  • Publish Date: 2008-12-25
  • In order to improve the road performances of base course made of large stone porous asphalt mixture(LSPM), MAC(multigrade asphalt cement) modified asphalt was used in LSPM, the performances of matrix aphalt, MAC modified asphalt and SBS modified asphalt were compared, the material composition design, construction technology and the road performances of MAC modified LSPM, such as high-temperature stability, anti-fatigue property, permeability and anti-reflective crack property, were studied, and test roads were constructed. Test result shows that the porosity of LSPM is between 13% and 18%, its asphalt membrane is thicker than 12 μm, its modulous is between 400 and 600 MPa, the rut depth of test road opening to traffic for two years is between 4 and 8 mm. Obviously, MAC modified LSPM has better road performances. 4 tabs, 2 figs, 16 refs.

     

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