Parameter back-analysis of hardening soil model for granite residual soil and its engineering applications

ZHU Min; CHEN Xiang-sheng; ZHANG Guo-tao; PANG Xiao-chao; SU Dong; LIU Ji-qiang

doi:10.16285/j.rsm.2021.1062

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Parameter back-analysis of hardening soil model for granite residual soil and its engineering applications

更新时间：2026-06-25

- Parameter back-analysis of hardening soil model for granite residual soil and its engineering applications
- Vol. 43, Issue 4, Pages: 1061-1072(2022)
- 作者机构：
  
  1. 深圳大学土木与交通工程学院,广东,深圳,518060
  2. 深圳大学滨海城市韧性基础设施教育部重点实验室,广东,深圳,518060
  3. 铁科院（深圳）研究设计院有限公司,广东,深圳,518060
  4. 中铁南方投资集团有限公司,广东,深圳,518060
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2021.1062
  CLC： TU44
- Online First：18 April 2022，
  
  Published：2022
- 稿件说明：
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ZHU Min, CHEN Xiang-sheng, ZHANG Guo-tao, et al. Parameter back-analysis of hardening soil model for granite residual soil and its engineering applications[J]. 2022, 43(4): 1061-1072.
DOI：

ZHU Min, CHEN Xiang-sheng, ZHANG Guo-tao, et al. Parameter back-analysis of hardening soil model for granite residual soil and its engineering applications[J]. 2022, 43(4): 1061-1072. DOI： 10.16285/j.rsm.2021.1062.

摘要

近年来在花岗岩残积土层运营地铁线路周边进行的工程建设逐渐增多，对盾构隧道安全的影响不容忽视。有限元法是评估临近施工对隧道影响的有效手段，但其可靠程度取决于土体本构模型和参数的合理选取。首先对花岗岩残积土硬化土模型参数取值现状进行评述，随后提出一种基于自钻式旁压试验的残积土硬化土模型参数反演方法，最后将反演的参数应用于深圳典型基坑上跨隧道施工的工程案例中进行验证分析，确定较为合理的残积土硬化土模型参数取值范围。研究结果表明，花岗岩残积土硬化土模型的强度参数可根据室内试验确定，刚度参数、和是反演的关键参数，适用于工程实际的 : : 可取为1:1:3～1:1:5，根据比例不同，取值范围在36～43 MPa之间。

Abstract

In recent years

construction works near the operating metro tunnel in granite residual soil have been gradually increasing

and the impact of these construction works on the safety of shield tunnel should not be ignored. Finite element method is an effective method to evaluate the influence of adjacent construction on shield tunnel

but its reliability highly depends on the reasonable selection of soil constitutive model and parameters. In this paper

the current situation of parameter selection of hardening soil model for granite residual soil is firstly reviewed. Then a back-analysis method for determining the parameters of granite residual soil based on the self-boring pressure meter test (SBPT) is proposed. Finally

the obtained back-analysis parameters are applied to the engineering case of foundation pit excavated overpass existing shield tunnel for method verification

and more reasonable values of parameters of hardening soil model for granite residual soil are determined. The results show that the strength parameters of hardening soil model for granite residual soil can be determined by laboratory tests

and the stiffness parameters of

and are the key parameters for the back-analysis. The ratio of : : from 1:1:3 to 1:1:5 is suitable for engineering practice

and the value of ranges from 36 MPa to 43 MPa according to different ratios.

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