地铁区间盾构下穿对地表建筑物的影响分析  

Analysis of the impact of subway shield tunnel tunneling on surface buildings

作　　者：赵泽龙 ZHAO Zelong(China Railway SIYUAN Survey and Design Group Co.,Ltd,Wuhan 430063)

机构地区：[1]中铁第四勘察设计院集团有限公司城地院,武汉430063

出　　处：《铁道勘测与设计》2024年第4期78-83,共6页Railway Survey and Design

摘　　要：以某区间盾构下穿单层停车场为依托,基于有限元分析软件Plaxis 3D,针对地铁盾构区间下穿停车场施工对停车场结构及桩基础产生的位移和应力进行数值分析模拟,并结合地面沉降变化,进而评估区间盾构下穿既有建构筑的安全性及可行性,保证轨道交通项目的顺利实施,对于类似的工程亦具有一定参考价值。Based on Plaxis 3D,the finite element analysis software,this paper conducts a numerical analysis on the displacement and stress generated by the structure and pile foundation of a single-story parking lot during the construction of the subway shield tunnel crossing the parking lot.And combined with the change of the land subsidence,evaluating the safety and feasibility of shield tunneling through existing buildings to ensure the successful implementation of rail transit projects.This research has certain reference value for similar projects.

关 键 词：PLAXIS 3D 有限元分析 地铁盾构 结构变形 地表沉降 

分 类 号：U45[建筑科学—桥梁与隧道工程]