Simplified calculation method for lateral pressure at rest 
in the under-consolidation stratum

QIAO Ya-fei; LU Xing-bang; HUANG Jun; DING Wen-qi

doi:10.16285/j.rsm.2020.0124

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

Simplified calculation method for lateral pressure at rest in the under-consolidation stratum

更新时间：2026-06-25

- Simplified calculation method for lateral pressure at rest in the under-consolidation stratum
- Vol. 41, Issue 11, Pages: 3722-3729(2020)
- 作者机构：
  
  1. 同济大学土木工程学院地下建筑与工程系,上海,200092
  2. 同济大学岩土及地下工程教育部重点实验室,上海,200092
  3. 中国建筑第二工程局有限公司华南分公司,广东,深圳,650021
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2020.0124
  CLC： TU432
- Online First：25 December 2020，
  
  Published：2020
- 稿件说明：
移动端阅览
QIAO Ya-fei, LU Xing-bang, HUANG Jun, et al. Simplified calculation method for lateral pressure at rest in the under-consolidation stratum[J]. 2020, 41(11): 3722-3729.
DOI：

QIAO Ya-fei, LU Xing-bang, HUANG Jun, et al. Simplified calculation method for lateral pressure at rest in the under-consolidation stratum[J]. 2020, 41(11): 3722-3729. DOI： 10.16285/j.rsm.2020.0124.

摘要

大量工程实践表明：正确预估欠固结地层的静止侧压力大小对工程的稳定性分析和安全设计十分重要。因此，通过理论分析和数值模拟深入探讨了固结排水过程中地层侧向压力的变化规律，建立了静止侧压力与超固结比OCR的联系，提出了等效静止土压力系数的概念和计算公式，形成了考虑OCR影响的欠固结地层静止侧压力简化计算方法，并用数值模拟和试验结果进行了验证。提出的等效静止土压力系数实现了欠固结地层和正常固结地层侧压力计算的统一。研究结果表明：欠固结地层的静止侧压力随超固结比OCR的增大而线性减小，且随土体有效内摩擦角的增大，OCR对侧向压力的影响越大。上述研究成果可为欠固结地层的土压力计算提供技术支撑。

Abstract

Lots of practical projects have revealed that the accurate calculation of lateral pressure at rest in the under-consolidation stratum plays a crucial role in the stability analysis and safety design. Therefore

this paper investigates the evolution of lateral pressure at rest during consolidation in detail by theoretical analysis and numerical simulation. The relationship between the lateral pressure at rest and the overconsolidation ratio (OCR) is established

and a new method for calculating the lateral pressure at rest in the under-consolidation stratum is proposed. A new concept of equivalent earth pressure coefficient at rest is introduced in consideration of OCR effects. The proposed method is validated by the results of numerical simulation and laboratory tests. Moreover

the proposed equivalent earth pressure coefficient achieves a unified method for calculating the lateral pressure at rest in the both under-consolidation and normal consolidation stratums. The results reveal that the lateral pressure at rest in the under-consolidation stratum decreases linearly with the increase of OCR

and such OCR effect becomes more obvious as the effective friction angle of soil increases. The results of this paper could technically support the calculation of earth pressure in the under-consolidation stratum.

关键词

Keywords

references

Views

135

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Test study of waterproof effect of nonwoven fabrics on subsea tunnel lining

Experimental research on concrete permeability of underground structure

Quasi-static analysis of seismic stability of anchored rock slope under surcharge and water pressure conditions

Study of erodibility change of Yellow River sediment into sea in process of consolidation

Research on stability of sliding mass below water level based on analyzing water pressures around slices

Related Author

ZHANG Peng

ZHUO Yue

LI Jian

TAN Zhong-sheng

YANG Lin-de

CHEN Cong

ZHAO Lian-heng

LI Liang

Related Institution

The Third Railway Survey a nd Design Institute Group Corporation

Science and Technology Research Institute, China Railway Tunnel Group Co., Ltd.

CCCC Second Highway Consultants Co., Ltd.

School of Civil Engineering and Architecture, Beijing Jiaotong University

Wuhan Metro Group Co., Ltd.

AI问答

⁰