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内支撑基坑群开挖相互影响的三维数值分析
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Journal:华侨大学学报(自然科学版)

Place of Publication:华侨大学

Key Words: 群体基坑;相互影响;小应变硬化土模型;数值分析

Abstract:通过Z-Soil 岩土三维分析软件,以小应变硬化土(hardening soil model with small strain stiffness, HSS)模型为基础,建立地连墙与内支撑联合支护的群体基坑开挖的三维数值模型.对基坑土体的的竖向位移 以及地连墙的变形和受力进行了分析,讨论了基坑间距的影响.分析结果表明:临坑的开挖使紧邻的坑间土堤 沉降增加约1 倍,使群坑周边沉降增加约10%;先开挖的基坑支护结构受力、变形增大,后续开挖的基坑的地 连墙顶会向先开挖基坑方向产生整体侧移,基坑间距越近,影响越明显.

Page Number:711-716

Translation or Not:no

Date of Publication:2013-11-01

First Author:GLQ

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Associate professor
Supervisor of Master's Candidates

Gender:Male

Date of Birth:1970-02-16

Education Level:With Certificate of Graduation for Study as Master's Candidates

Degree:Master's Degree in Engineering

Date of Employment:1994-08-01

E-Mail:

Status:在岗

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