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王炳龙, 周顺华, 宫全美, 方卫民. 不同高度土工格室整治基床下沉病害的试验研究[J]. 岩土工程学报, 2003, 25(2): 163-166.
引用本文: 王炳龙, 周顺华, 宫全美, 方卫民. 不同高度土工格室整治基床下沉病害的试验研究[J]. 岩土工程学报, 2003, 25(2): 163-166.
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WANG Binglong, ZHOU Shunhua, GONG Quanmei, FANG Weiming. Experimental study on treatment of subgrade subsidence by geocell of different heights[J]. Chinese Journal of Geotechnical Engineering, 2003, 25(2): 163-166.
Citation: WANG Binglong, ZHOU Shunhua, GONG Quanmei, FANG Weiming. Experimental study on treatment of subgrade subsidence by geocell of different heights[J]. Chinese Journal of Geotechnical Engineering, 2003, 25(2): 163-166.
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不同高度土工格室整治基床下沉病害的试验研究

Experimental study on treatment of subgrade subsidence by geocell of different heights

    摘要
  • 摘要: 采用 0 .10 ,0 .15和 0 .2 0m高的土工格室进行整治铁路基床下沉病害的试验。从列车荷载作用下基床土动应力的实测数据 ,分析了不同高度土工格室的轨下动应力衰减差异及设计所需的换填厚度。分析表明 ,采用的格室高度愈高 ,轨下动应力衰减愈明显 ,所需换填厚度愈小

     

    Abstract: In this paper,geocells with height of 0.10,0.15 and 0.20 m are applied to treat the subgrade subsidence. The dynamic stress in subgrade soil and the replacement thickness for three kinds of geocells are studied.The higher is the results show that height of geocell,the quicker is the decay velocity of dynamic stress under rail and the thinner is replacement thickness.

     

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