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中文摘要：
文章基于杭州地铁1号线某区间盾构隧道下穿建筑物工程实例,对双线盾构隧道施工过程中引起的建筑物和地表沉降进行了现场监测,并结合盾构掘进系统的数据,对建筑物和地表的实测沉降数据进行了分析,研究了双线盾构隧道掘进施工引起不同位置、不同结构建筑物的沉降规律。结果表明：盾构施工过程中通过控制注浆量和排土量,能有效地控制建筑物的沉降;建筑物基础底面积越大,监测点的沉降曲线越复杂,越需要严格控制施工进程;建筑物离隧道轴线的水平距离越近,监测点的沉降规律和轴线上方地表的沉降规律也越接近。
英文摘要：
Using the double-tube shield tunnelling of Hangzhou Metro Line 1 that passes beneath buildings as an example, field monitoring was performed and relevant analyses were made regarding the measured settlements of existing buildings and ground surface in combination with shield driving parameters; the settlement rules of different positions and buildings induced by the double-tube shield tunnel construction were researched. The results show that： 1） building settlement can be effectively controlled by managing the volumes of grouting and soil extraction; 2） the larger the base area of a building, the more variable the settlement curve of the monitoring point, which requires strict control of the construction process; and 3） the closer the horizontal distance between the buildings and tunnel axis, the more approximate is the settlement rule of the monitoring point to that of the ground surface above the axis.
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