沉管隧道管段沉放后基槽应力与变形分析  

On analysis of foundation trench stress and deformation after tabulation sinking of tunnel with immersed tubes

作　　者：隋洪瑞[1] 朱世柱[1] 

机构地区：[1]天津海河下游开发有限公司,天津300457

出　　处：《山西建筑》2014年第36期153-154,共2页Shanxi Architecture

摘　　要：基于海河沉管隧道工程,建立了数值分析模型,对沉管法施工过程中基底回弹规律进行了研究,通过总结管段荷载作用下基槽土体的受力变形情况,提出了控制基底回弹的措施。Based on the sunk pipe tunnel project along Haihe, the paper establishes the numeric analysis model, researches the base resilience law in the construction process of the sinking pipe method, and points out the measures for controlling the base resilience according to the summa- ry of the stress deformation of the foundation trench soil body under the pipe section loading.

关 键 词：沉管隧道 水下基槽 基底回弹 数值模拟 

分 类 号：U455.46[建筑科学—桥梁与隧道工程]