地铁运行区域新建建筑全过程实测与数值模拟

PDF(2058 KB)

振动与冲击 ›› 2017, Vol. 36 ›› Issue (20) : 173-179.

论文

钟才敏1，2，马人乐1，吴学淑2

作者信息 +

Whole process field tests and numerical simulation of new building in metro operation area

Zhong Caimin1, 2, Ma Renle1, Wu Xueshu2

Author information +

文章历史 +

摘要

以邻近地铁线路的某新建建筑为例，对从项目动工至建筑封顶过程中的主要节点进行全过程实测，得到地铁经过时自由场地及施工不同阶段建筑内部各楼层的振动数据。建立单体的有限元模型，采用不同的激励输入方式进行数值模拟，并将计算结果与实测结果进行对比验证，以获取既有地铁运行区域拟建建筑施工前振动预测的有效方法。在数值分析过程中，针对环境振动，提出了“原位激励”的概念。分析结果表明：一致激励输入仅适用于建筑平面尺寸较小时进行初步预测；原位激励与多点激励的输入方式计算结果准确可靠，可满足设计各个阶段的振动预测需求；根据不同的需求可分别选择采用原位激励或多点激励的输入方式进行振动预测；采用自由场地实测结果作为输入激励进行振动预测时，可将计算结果根据不同的建筑类型进行修正。该研究成果可对既有地铁运行区域拟建建筑施工前进行振动评价提供参考。

Abstract

Based on a new building adjacent to metro line, whole process field tests were made on free field before construction and floors of different construction phases. The finite models of building were established and numerical calculations were carried out by adopting different excitation modes, and the calculated results were compared with the field test results. In the process of analysis, the numerical analysis method of "in situ excitation" was put forward in view of the environmental vibration. The results show that the "uniform excitation" input is only suitable for the preliminary prediction of small size building; the results of "in-situ excitation" and "multi-support excitation" input are accurate and reliable which can be used to predict the demand of different design phases. Meanwhile, "in situ excitation" or "multi-support excitation" could be chosen according to different requirements. When the field test results of free field are used as excitation to predict vibration, the calculation results can be amended according to different building types.

导出引用

钟才敏1，2，马人乐1，吴学淑2. 地铁运行区域新建建筑全过程实测与数值模拟[J]. 振动与冲击, 2017, 36(20): 173-179

Zhong Caimin1, 2, Ma Renle1, Wu Xueshu2 . Whole process field tests and numerical simulation of new building in metro operation area[J]. Journal of Vibration and Shock, 2017, 36(20): 173-179

参考文献

[1] 辜小安. 城市轨道交通环境影响评价中地下线路振动源强取值存在的问题与建议[J]. 铁路节能环保与安全卫生. 2013, 03(05): 211-216.
GU Xiao-an. The suggestions and the problems of the

vibration source intensity data of the underground line in the environmental impact assessment of the urban rail transit[J]. Railway Occupational Safety Health & Environmental Protection. 2013, 03(05): 211-216.
[2] 夏禾. 交通环境振动[M]. 北京: 科学出版社, 2010.
Xiahe. Traffic induced environmental vibrations and controls[M]. BeiJing: Science Press, 2010.
[3] HJ 453-2008. 环境影响评价技术导则城市轨道交通[S]. 北京: 中国环境科学出版社, 2009.
HJ 453-2008. Technical guidelines for environment impact
-assessment of urban rail transit[S]. BeiJing: China Environmental Science Press, 2009.
[4] FTA-VA-90-1003-06. Transit noise and vibration impact assessment[S]. Washington DC: Office of Planning and Environment Federal Transit Administration, 2006.
[5] 王田友. 地铁运行所致环境振动与建筑物隔振方法研究[D]. 上海: 同济大学, 2008.
WANG Tianyou. Study on subway-induced environmental vibration and isolation method of building from it[D]. Shanghai: Tongji University, 2008.
[6] Hong Hao, T. C. Ang, Jay Shen. Building vibration to traffic-induced ground motion[J]. Building and Environment. 2001, 36(7): 321-336.
[7] 马蒙, 刘维宁, 丁德云. 地铁列车引起的振动对西安钟楼的影响[J]. 北京交通大学学报. 2010, 34(04): 88-92.
MA Meng, LIU Wei-ning, Ding De-yun. Influence of metro train-induced vibration on Xi' an bell tower[J]. Journal of Beijing Jiaotong University. 2010, 34(04): 88-92.
[8] ISO2631-1-1997. Mechanical vibration and shock evaluation of human exposure to whole-body vibration- Part 1:General requirements[S]. 1997.
[9] Chopra Anil K. 结构动力学理论及其在地震工程中的应用[M]. 北京: 高等教育出版社, 2007.
Chopra Anil K. Dynamics of structural theory and applications to earthquake engineering [M]. Beijing: Higher Education Press, 2007.
[10] 廖振鹏. 工程波动理论导论[M]. 北京: 科学出版社, 2002.
LIAO Zhen-pen. Introduction to wave motion theories for engineering[M]. BeiJing: Science Press, 2002.
[11] 钟才敏. 既有地铁运行区域新建建筑振动特点与设计方法研究[D]. 上海: 同济大学, 2016.
ZHONG Cai-min. Study on new building's vibration characteristics and design method in existing metro operation area[D]. Shanghai: Tongji University, 2016.
[12] 楼梦麟, 李守继. 地铁引起建筑物振动评价研究[J]. 振动与冲击. 2007, 26(08): 68-71.
LOU Meng-lin, LI Shou-ji. Evaluation of buildings' vibration induced by underground trains [J]. Journal of Vibration and Shock. 2007, 26(08): 68-71.
[13] 苏亮, 邵寿磊. 多点地震输入的反应谱法研究[J]. 工程力学. 2014, 31(12): 83-88.
SU Liang, SHAO Shou-lei. Research on response spectrum method for multi-support seismic excitations[J]. Engineering Mechanics. 2014, 31(12): 83-88.
[14] 楼梦麟, 李守继, 丁洁民, 等. 基于多点输入的地铁引起房屋振动评价研究[J]. 振动与冲击. 2007, 26(12): 84-87.
LOU Meng-lin, LI Shou-ji, DING Jie-min, et al. Quantitative evaluation of underground train-induced vibrations of a frame structure under multi-supports excitation[J]. Journal of Vibration and Shock. 2007, 26(12): 84-87.