地铁运行引起上方建筑振动的现场实测与规律分析  

Field Measurement and Analysis of the Vibration Law of the Above Building Caused by Subway Operation

作　　者：张亚彬 秦学波 韩旭 ZHANG Yabin;QIN Xuebo;HAN Xu(Zhengzhou Metro Group Co.,Ltd.,Zhengzhou Henan 450000)

机构地区：[1]郑州地铁集团有限公司,河南郑州450000

出　　处：《河南科技》2020年第29期119-121,共3页Henan Science and Technology

摘　　要：为评价地铁运行对上方建筑的振动影响,本文以郑州地铁1号线上方泰隆广场地下停车场为研究对象,提取地铁运行下的建筑多部位的动力信号,在预处理后统计振动加速度峰值、振级及振动主频。结果表明,地铁经过建筑下方时,建筑振动量增大;建筑各部位振动三向特征不同,地板竖向振动显著,立柱水平振动强度较大,墙体垂直于墙面方向的振动最为显著;该段区间内列车运行速度较小,所引起的建筑振动未超过限值。In order to evaluate the impact of subway operation on the vibration of the building above,this paper took the underground parking lot of Tailong Plaza above Zhengzhou Metro Line 1 as the research object,and extracted the dynamic signals of multiple parts of the building under subway operation,and counted the vibration acceleration peak,vibration level and main frequency of vibration after preprocessing.The results show that when the subway passes under the building,the vibration of the building increases;the three-dimensional characteristics of vibration in each part of the building are different,the vertical vibration of the floor is significant,the horizontal vibration of the column is strong,and the vibration of the wall perpendicular to the wall is the most significant;the train running speed in this section is relatively low,and the building vibration caused by it does not exceed the limit.

关 键 词：地铁振动 现场实测 振动加速度 振级 振动主频 

分 类 号：X827[环境科学与工程—环境工程]