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饱和土二维固结试验在离心力场条件下的适用性分析

张莎莎 谢永利 刘保健

郑州大学学报(工学版)2011,Vol.32Issue(6):22-26,5.
郑州大学学报(工学版)2011,Vol.32Issue(6):22-26,5.

饱和土二维固结试验在离心力场条件下的适用性分析

The Applicability of Two-dimensional Consolidation Test of Saturated Soil in Centrifugal Force Filed

张莎莎 1谢永利 1刘保健1

作者信息

  • 1. 长安大学公路学院,陕西西安710064
  • 折叠

摘要

Abstract

Geotechnical centrifugal model test similar to the best performance in various types of geotechnical physical model test. Because of the test conditions, centrifugal model test is used to be one-dimensional consolidation test. In fact, lateral drainage of ground will accelerate the dissipation of excess hydrostatic pressure and affect the consolidation settlement. In order to study more practical features of saturated soil consolidation in the two-dimensional drainage conditions centrifuge model test, the centrifuge model box is transformation designed. Typical causes of saturated soil in different areas under the two-dimensional drainage conditions of centrifugal consolidation tests are studied. It is indicated that, in the centrifugal consolidation force filed conditions, the consolidation characteristics of saturated soil with smaller consolidation coefficient was closer to two-dimensional consolidation theory. Geotechnical centrifuge model test can provide foundation conditions for a two-dimensional consolidation test of saturated soil.

关键词

岩土工程/离心模型试验/饱和土/二维固结/孔隙水压力

Key words

geotechnical engineering/ centrifugal model test/ saturated soil/ two-dimensional consolidation/ numerical analysis

分类

建筑与水利

引用本文复制引用

张莎莎,谢永利,刘保健..饱和土二维固结试验在离心力场条件下的适用性分析[J].郑州大学学报(工学版),2011,32(6):22-26,5.

基金项目

交通部科技项目(200731878582) (200731878582)

郑州大学学报(工学版)

OA北大核心CSTPCD

1671-6833

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