Resistance network analog for one-dimensional consolidation of saturated soil

XIE Xin-yu; WANG Long; LIU Kai-fu

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Resistance network analog for one-dimensional consolidation of saturated soil

更新时间：2026-06-25

- Resistance network analog for one-dimensional consolidation of saturated soil
- Vol. 32, Issue 11, (2011)
- 作者机构：
  
  1. 浙江大学软弱土与环境土工教育部重点实验室,杭州,310058
  2. 浙江理工大学建筑工程学院,杭州,310018
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU431.7
- Online First：09 November 2011，
  
  Published：2011
- 稿件说明：
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XIE Xin-yu, WANG Long, LIU Kai-fu. Resistance network analog for one-dimensional consolidation of saturated soil[J]. 2011, 32(11).
DOI：

XIE Xin-yu, WANG Long, LIU Kai-fu. Resistance network analog for one-dimensional consolidation of saturated soil[J]. 2011, 32(11). DOI：

摘要

基于Liebmann电阻网络模拟原理，研究了饱和土体的一维固结问题，编制相应的Matlab程序进行一维固结计算分析。给出了电阻网络模拟中电压与固结过程中超静孔隙水压力的对应关系以及模型建立和程序编制的完整过程，并模拟了单、双面排水情形下的一维Terzaghi固结问题。模拟过程表明，利用Liebmann电阻网络模拟结果与解析解吻合得较好。分析了时间步距?t改变以及网格?z划分精细程度影响因素作用下，亦即收敛系数? 值改变时的模拟结果与解析解的差异；探讨了Liebmann电阻网络模拟在固结问题中的进一步推广应用。

Abstract

The one-dimensional consolidation problem is studied based on principles of Liebmann’s resistance network method. A Matlab procedure is programmed to analyze pore water pressure in saturated soils. Details about the similarity between voltage in resistance network and excess pore water pressure in consolidation phenomena are presented. A Matlab procedure is used to simulate the single and double-drainage one dimensional consolidation problem respectively. It is shown that the simulation is practically perfect compared with the consolidation solution. The differences between analog results and analytical solutions under effects of variable ?t and the fine level of meshing ?z are analyzed and discussed. It is suggested that the smaller value of ? the more obvious of convergence and accurate of the analog. It is considered that the applications of Liebmann’s resistance network can be extended to more complex situation.

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