Evaluation for seismic liquefaction of deep-sand lens in a dam foundation

CHEN Cun-li; HU Zai-qiang; XIE Ding-yi

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Evaluation for seismic liquefaction of deep-sand lens in a dam foundation

更新时间：2026-06-25

- Evaluation for seismic liquefaction of deep-sand lens in a dam foundation
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  西安理工大学岩土工程研究所,西安,710048
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV641
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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CHEN Cun-li, HU Zai-qiang, XIE Ding-yi. Evaluation for seismic liquefaction of deep-sand lens in a dam foundation[J]. 2006, 27(S1).
DOI：

CHEN Cun-li, HU Zai-qiang, XIE Ding-yi. Evaluation for seismic liquefaction of deep-sand lens in a dam foundation[J]. 2006, 27(S1). DOI：

摘要

针对实际水利工程中深埋坝基砂层透镜体的液化可能性问题，用规范方法进行了初判和复判，并且根据室内动三轴试验结果用Seed法和Dobry法做了进一步的评判，对各种评判方法进行了综合性分析。根据分析结果，并结合实际工程条件，提出了无需专门对深埋坝基砂层透镜体进行处理的结论。

Abstract

Seismic liquefaction of deep-sand lens in a dam foundation is evaluated by two processes. Firstly

specification methods are used to make preliminary and again judgment. Secondly

Seed and Dobry methods are used with dynamic triaxial test results to make more evaluation. Various estimation methods are analyzed synthetically. Based on the analysis results and considering the practical engineering conditions

a conclusion that a special treatment is needn’t made for deep-sand lens in dam foundations

is drawn.

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