摘要
盾构隧道在城市轨道交通建设中越来越常见,但盾构法施工下穿既有构建筑物的风险大,难度高,稍不慎可能出现灾难性后果。以盾构区间隧道下穿既有框架结构为例,通过数值分析方法建立有限元分析模型,研究盾构下穿施工对既有框架结构和地层应力场的影响,为类似工程提供参考。
Shield tunnel is getting more popular in urban rail transportation, and it often cross existingframe structure. But shield tunnel crossing construction could be highly risky, difficult and may causedisastrous consequences. Therefore, based on existing shield tunnel crossing frame structure, a finiteelement analysis model was set up through numeric analysis method, so as to study the influence of shieldtunnel crossing construction on existing frame structure and stratum stress field and provide reference forsimilar projects.
出处
《公路交通技术》
2018年第1期96-100,共5页
Technology of Highway and Transport
基金
云南省科学技术厅创新引导与科技型企业培育计划-科技惠民专项项目(2016RA016)
关键词
盾构隧道
下穿施工
框架结构
环境影响
shield tunnel
crossing construction
frame structure
ambient impact
