Experimental research on control liquefaction of saturated sand with large-thickness

YANG Sheng-bin; LIU Zhi-wei; LI Can

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Experimental research on control liquefaction of saturated sand with large-thickness

更新时间：2026-06-25

- Experimental research on control liquefaction of saturated sand with large-thickness
- Vol. 30, Issue S2, (2009)
- 作者机构：
  
  西北电力设计院,西安,710032
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472.3+5
- Online First：21 June 2011，
  
  Published：2009
- 稿件说明：
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YANG Sheng-bin, LIU Zhi-wei, LI Can. Experimental research on control liquefaction of saturated sand with large-thickness[J]. 2009, 30(S2).
DOI：

YANG Sheng-bin, LIU Zhi-wei, LI Can. Experimental research on control liquefaction of saturated sand with large-thickness[J]. 2009, 30(S2). DOI：

摘要

饱和砂土液化地基治理是工程建设中面临的一大难题。某拟建电厂工程针对大厚度的饱和砂土液化地基，通过采用大直径振冲碎石桩复合地基的处理方法，开展了大厚度饱和砂土液化地基治理的现场试验研究。试桩施工结束后，通过采用载荷试验、超重型动力触探试验等原位测试方法，对桩间土、桩体及复合地基的承载性能、变形参数及液化处理效果进行了评价和分析，取得了大量可靠的试验数据，对类似工程具有一定的参考价值

Abstract

Liquefaction of saturated sand is a major problem in engineering. The large-diameter gravel piles with vibroflotation are used to control the liquefaction of large-thickness saturated sand of a proposed power plant project

and many field test studies are carried out. After finishing the construction of the test piles

a lot of in-situ tests including plate loading test

ultra-heavy dynamic penetration test

etc.

are used to evaluate the bearing capacity of soil between piles

piles and composite foundation

to test the deformation parameters

and to evaluate the controlling effects of liquefaction. A large number of reliable experimental data are obtained

which are valuable for similar projects

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