山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (4): 175-182.doi: 10.6040/j.issn.1672-3961.0.2021.335
• • 上一篇
朱斌1,王健1,徐壮1,罗小刚1,孟栋1,邢志豪2,张政2,武科2
ZHU Bin1, WANG Jian1, XU Zhuang1, LUO Xiaogang1, MENG Dong1, XING Zhihao2, ZHANG Zheng2, WU Ke2
摘要： 为了研究盾构隧道下穿既有构筑物以及盾构机身施工振动对地面产生的影响规律和程度,以深圳地铁16号线下穿既有构筑物工程为研究对象,采用数值模拟软件迈达斯GTS NX,完整再现施工的动态过程,通过数值模拟计算结果和实测数据的可靠性分析,研究盾构施工掘进速度对地面沉降的影响分析、盾构隧道施工掘进压力不同对地面沉降的影响和盾构刀盘掘进掌子面产生的振动对地面构筑物的振动影响。研究表明:其他掘进因素不变情况下,掘进速度越快,掘进压力越大,地面沉降越小。盾构刀盘掘进振动对地面的影响符合相关规范,施工中应该根据实际经济预算情况,合理选择掘进参数。
中图分类号:
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