雙洞隧道側(cè)穿既有建筑風(fēng)險分析和方案優(yōu)化研究
發(fā)布時間:2018-10-11 10:30
【摘要】:隧道施工必然會引起地層變形,從而對鄰近地表建筑物產(chǎn)生不利影響。以北京地鐵9號線軍事博物館站—東釣魚臺站區(qū)間隧道近距離側(cè)穿中華世紀壇為工程背景,先進行隧道施工對中華世紀壇影響的風(fēng)險分析,并提出相應(yīng)的控制措施;然后采用流固耦合數(shù)值分析,研究左線和右線施工順序、徑向注漿、超前小導(dǎo)管注漿和隧道與建筑物位置關(guān)系等影響地層變形的關(guān)鍵因素;最后結(jié)合施工監(jiān)測數(shù)據(jù),分析隧道側(cè)穿施工引起的地表沉降、中華世紀壇壇體沉降和傾斜以及地下管線沉降的特征。
[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.
【作者單位】: 北京中咨正達交通工程科技有限公司;北京交通大學(xué)土木建筑工程學(xué)院;吉林大學(xué)交通學(xué)院;
【分類號】: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.
【作者單位】: 北京中咨正達交通工程科技有限公司;北京交通大學(xué)土木建筑工程學(xué)院;吉林大學(xué)交通學(xué)院;
【分類號】:U455.4
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