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LI Li-hua, CHEN Lun, TIAN Xing-jian, SHAO Qing-chun. STUDY ON DRAWING MODEL OF SLUMPING SALVAGE IN SWAMPY LAND[J]. Engineering Mechanics, 2009, 26(3): 202-206.
Citation: LI Li-hua, CHEN Lun, TIAN Xing-jian, SHAO Qing-chun. STUDY ON DRAWING MODEL OF SLUMPING SALVAGE IN SWAMPY LAND[J]. Engineering Mechanics, 2009, 26(3): 202-206.
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STUDY ON DRAWING MODEL OF SLUMPING SALVAGE IN SWAMPY LAND

  • (1. State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China; 2. School of Civil Engineering , Wuhan University, Wuhan 430072, China; 3. Northeast Institute of Geography and Agroecology, Chinese Academy of Science, Changchun, 130012, China)

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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  • A drawing model of slumping salvage was designed, and a preliminary analysis on drawing salvage is performed through slumping salvage tests in swampy land. Test results show that the salvage resistance is generated by the negative pore water pressure, which is larger than the resistance force on the side. Drawing speed and stewing time of the swampy soil are two main influencing factors of the negative pore water pressure. The absolute value of the negative pore water pressure increases with the increase of drawing speed and stewing time. The larger the drawing speed, the more non-uniform the distribution of negative pore water pressure. The longer the stewing time, the larger the amplitude increment of the negative pore water pressure.
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