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TAN Fan, HUANG Bin, RAO Xi-bao. Experimental study on dynamic properties of asphalt concrete core material[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 383-387.
Citation: TAN Fan, HUANG Bin, RAO Xi-bao. Experimental study on dynamic properties of asphalt concrete core material[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 383-387.

Experimental study on dynamic properties of asphalt concrete core material

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  • Received Date: March 01, 2013
  • Published Date: July 18, 2013
  • To study the dynamic properties of asphalt concrete core materials, a series of dynamic triaxial experiments are conducted under different cell pressures, temperatures and consolidation ratios. The results show that dynamic elastic modulus is less affected by the extent of dynamic strain under the same experimental conditions. The stress-strain backbone curve can be described by a straight line through the origin, the slope of which is regard as the elastic modulus. The formula Ed=kpa(σm/pa)npresents the relationship of elastic modulus and mean sustained stress under the same temperature and stress ratio. Due to the rheological properties of asphalt concrete core materials, the elastic modulus decreases and the damping ratio increases with the rising of the temperature.
  • 岳跃真,郝巨涛,孙志恒,等. 水工沥青混凝土防渗技术[M].北京:化学工业出版社, 2007.(YUE Yue-zhen,HAO Ju-tao,SUN Zhi-heng,et al. Seepage control technique of hydraulic asphalt concrete[M].Beijing:Chemical Industry Press, 2007. (in Chinese))
    朱 晟. 沥青混凝土心墙堆石坝三维地震反应分析[J]. (岩土力学), 2008, 29(11): 2933-2938.(ZHU Cheng. 3-D seismic response analysis of rockfill dam with asphalt concrete core[J]. Rock and Soil Mechanics, 2008, 29(11): 2933-2938. (in Chinese))
    初 伟. 土石坝沥青混凝土心墙材料基本性能研究——蠕变和动力特性研究[D]. 西安: 西安理工大学, 2004.(CHU Wei. Study on the fundamental properties of asphalt concrete cores for embankment dams[D]. Xi'an: Xi'an University of Technology, 2004. (in Chinese))
    WANG Wei-biao,HOEG Kaare. Cyclic behavior of asphalt concrete used as impervious core in embankment dams[J]. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 2011: 536-544.
    四川大渡河黄金坪水电站大坝沥青混凝土心墙材料试验研究报告[R].四川大渡河黄金坪水电站大坝沥青混凝土心墙材料试验研究报告[R]. 武汉: 长江科学院, 2012.(The test report of asphalt concrete core material of Huangjinping hydroelectric power station[R]. Wuhan: The Yangtze River Scientific Research InstitudeThe test report of asphalt concrete core material of Huangjinping hydroelectric power station[R]. Wuhan: The Yangtze River Scientific Research Institude, 2012. (in Chinese))
    DL/T 5362—20065362—2006. 水工沥青混凝土试验规程[S].北京:中国电力出版社, 2007.(DL/T 5362—2006 Test code for hydraulic bitumen concrete[S]5362—2006 Test code for hydraulic bitumen concrete[S].Beijing:China Electric Power Press, 2007. (in Chinese))
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