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Volume 39 Issue s1
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GU Xing-wen, HUANG Wei-wang, TAN Xiang-shao, REN Guo-feng. Failure mechanisms of embankment on inclined soft foundation reinforced by pipe piles[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(s1): 204-208. DOI: 10.11779/CJGE2017S1040
Citation: GU Xing-wen, HUANG Wei-wang, TAN Xiang-shao, REN Guo-feng. Failure mechanisms of embankment on inclined soft foundation reinforced by pipe piles[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(s1): 204-208. DOI: 10.11779/CJGE2017S1040
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Failure mechanisms of embankment on inclined soft foundation reinforced by pipe piles

  • 1. Nanjing Hydraulic Research Institute, Nanjing 210029, China;
    2. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing 210029, China;
    3. CRCC Harbour & Channel Engineering Bureau Group Survey & Design Institute Co., Ltd., Guangzhou 510000, China;

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  • Received Date: November 27, 2016
  • Published Date: November 19, 2017
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    • Abstract
  • Four groups of centrifuge model tests are performed to investigate the failure mechanisms of embankment on inclined soft foundation reinforced by pipe piles. The influences of embedded depth of pile toe into stiff stratum and lattice beams are analyzed with comparison to the natural inclined soft ground situation. The results show that the failure mechanisms are as follows: (1) For the deep embedded situation, soil may flow around piles, leading to leaning of piles at the downhill side and overall failure; (2) For the shallow embedded situation, soil also flows around the piles, leading to more leaning of piles and overall failure; (3) The lattice beams are efficient in preventing piles from leaning, but soil still flows around piles.
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    • References (5)
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    黄炜旺. 山区复合地基路堤离心模型试验研究[D]. 广州: 广州大学, 2015. (HUANG Wei-wang. Research on embankment stability on montanic composite foundation by centrifugal model tests[D]. Guangzhou: Guangzhou University, 2015. (in Chinese))
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    朱维新. 土工离心模型试验研究状况[J]. 岩土工程学报, 1986, 8(2): 82-90. (ZHU Wei-xin. State of geotechnical centrifuge modeling test[J]. Chinese Journal of Geotechnical Engineering , 1986, 8(2): 82-90. (in Chinese))
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