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李大展, 滕延京, 何颐华, 隋国秀. 湿陷性黄土中大直径扩底桩垂直承载性状的试验研究[J]. 岩土工程学报, 1994, 16(2): 11-21.
引用本文: 李大展, 滕延京, 何颐华, 隋国秀. 湿陷性黄土中大直径扩底桩垂直承载性状的试验研究[J]. 岩土工程学报, 1994, 16(2): 11-21.
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Li Dazhan, Teng Yanjing, He Yihua, Sui Guoxiu. Vertical Bearing Behaviour of Large Diameter Belled Pile in Collapsible Loess[J]. Chinese Journal of Geotechnical Engineering, 1994, 16(2): 11-21.
Citation: Li Dazhan, Teng Yanjing, He Yihua, Sui Guoxiu. Vertical Bearing Behaviour of Large Diameter Belled Pile in Collapsible Loess[J]. Chinese Journal of Geotechnical Engineering, 1994, 16(2): 11-21.
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湿陷性黄土中大直径扩底桩垂直承载性状的试验研究

Vertical Bearing Behaviour of Large Diameter Belled Pile in Collapsible Loess

    摘要
  • 摘要: 本文根据湿陷性黄土中桩侧和桩底均埋有测试元件的４根大直径扩底桩的现场实测数据，分析了浸水湿陷对桩垂直承载力的影响，得出了负摩阻力的变化规律，最后提出浸水湿陷全过程中大直径桩荷载传递机理的《三阶段分析法》。

     

    Abstract: Measurements were made for 4 large diameter cast-in-place belled piles in collapsible loesswith instruments on shafts and toes.Influences of immersion collapsibility on pile vertical bearingcapacity were analyzed.Law of variation in negative skin friction was obtained.A“3-stage method”foranalyzing load transfer mechanism of large diameter pile during time of immersion test is presented.

     

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