Study of reinforced soil adjusted to differential settlement based on parabolic cable theory

WANG Zong-jian; MA Shu-wen; LU Liang

doi:10.16285/j.rsm.2017.11.030

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Study of reinforced soil adjusted to differential settlement based on parabolic cable theory

更新时间：2026-06-25

- Study of reinforced soil adjusted to differential settlement based on parabolic cable theory
- Vol. 38, Issue 11, Pages: 3319-3324(2017)
- 作者机构：
  
  1. 重庆交通大学河海学院,重庆,400074
  2. 重庆大学土木工程学院,重庆,400044
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2017.11.030
  CLC： U213.1+52.3
- Online First：05 June 2018，
  
  Published：2017
- 稿件说明：
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WANG Zong-jian, MA Shu-wen, LU Liang. Study of reinforced soil adjusted to differential settlement based on parabolic cable theory[J]. 2017, 38(11): 3319-3324.
DOI：

WANG Zong-jian, MA Shu-wen, LU Liang. Study of reinforced soil adjusted to differential settlement based on parabolic cable theory[J]. 2017, 38(11): 3319-3324. DOI： 10.16285/j.rsm.2017.11.030.

摘要

由于固结沉降、降雨或地震等作用，在软土或新老地基结合处，不均匀沉降现象是一种常见的工程病害，采用加筋土结构来调整不均匀沉降是工程上常用的处理措施。然而，现阶段关于加筋土结构在不均匀沉降条件下筋材变形规律的理论研究尚少，且工程实践往往先于理论研究。为完善并简化加筋土结构的设计理论，以加筋土结构中筋材变形为研究对象，在基于抛物索理论的基础上，提出了一种在不均匀沉降下加筋土结构筋材变形的计算方法。通过室内模型试验并结合理论分析初步验证了该计算方法的可行性和准确性。该方法计算简便，不需要反复的数值模拟，计算结果能够满足实际工程的精度需要，对进一步完善加筋土结构设计的计算理论具有一定的意义。

Abstract

Heterogeneous settlement is a common engineering problem in the soft soil foundation or at the juncture between new and old subgrade induced by consolidation settlement

rainfall or earthquake. The reinforced soil structure is commonly applied to reduce the unequal settlement in practices. However

less attention goes to theoretical research on the deformation of reinforcing material under differential settlement condition at present. To improve and simplify the design theory of reinforced earth structure

the deformation of reinforcement in reinforced soil structure is investigated based on the theory of parabolic cable. A method is developed to calculate reinforcement material deformation under differential settlement condition. The feasibility and accuracy of the proposed method are verified by laboratory experiment and theoretical analysis. The method does not require repeated numerical simulation. The calculation results can satisfy the needs of the actual project.

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