双洞隧道侧穿既有建筑风险分析和方案优化研究
发布时间：2018-10-11 10:30
【摘要】：隧道施工必然会引起地层变形,从而对邻近地表建筑物产生不利影响。以北京地铁9号线军事博物馆站—东钓鱼台站区间隧道近距离侧穿中华世纪坛为工程背景,先进行隧道施工对中华世纪坛影响的风险分析,并提出相应的控制措施;然后采用流固耦合数值分析,研究左线和右线施工顺序、径向注浆、超前小导管注浆和隧道与建筑物位置关系等影响地层变形的关键因素;最后结合施工监测数据,分析隧道侧穿施工引起的地表沉降、中华世纪坛坛体沉降和倾斜以及地下管线沉降的特征。
[Abstract]:Tunnel construction will inevitably cause formation deformation, which will adversely affect the adjacent surface buildings. Based on the engineering background of Beijing Metro Line 9 military Museum Station-DongDiaoyutai Station Tunnel passing through China Century Altar at short distance, the risk analysis of the influence of tunnel construction on China Century Altar is carried out, and the corresponding control measures are put forward. Then by using fluid-solid coupling numerical analysis, the key factors such as the construction sequence of left line and right line, radial grouting, leading small pipe grouting and the relationship between tunnel and building position are studied, and the construction monitoring data are combined. The characteristics of surface settlement, settlement and inclination of China Century Altar altar and settlement of underground pipeline caused by tunnel sideway construction are analyzed.
【作者单位】： 北京中咨正达交通工程科技有限公司;北京交通大学土木建筑工程学院;吉林大学交通学院;
【分类号】：U455.4
[Abstract]:Tunnel construction will inevitably cause formation deformation, which will adversely affect the adjacent surface buildings. Based on the engineering background of Beijing Metro Line 9 military Museum Station-DongDiaoyutai Station Tunnel passing through China Century Altar at short distance, the risk analysis of the influence of tunnel construction on China Century Altar is carried out, and the corresponding control measures are put forward. Then by using fluid-solid coupling numerical analysis, the key factors such as the construction sequence of left line and right line, radial grouting, leading small pipe grouting and the relationship between tunnel and building position are studied, and the construction monitoring data are combined. The characteristics of surface settlement, settlement and inclination of China Century Altar altar and settlement of underground pipeline caused by tunnel sideway construction are analyzed.
【作者单位】： 北京中咨正达交通工程科技有限公司;北京交通大学土木建筑工程学院;吉林大学交通学院;
【分类号】：U455.4
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