Analysis of the Dynamic Response for Xi'an Drum-Tower under the Vibration of Urban Rail Transit

被引：0
作者：
Zhang S. [1 ,2 ]
Tian P. [1 ,2 ]
Zhang F. [1 ,2 ]
Lu J. [3 ]
Yuan Z. [1 ,2 ]
Mao D. [1 ,2 ]
机构：
[1] Shaanxi Architecture Science Research Institute Co, LTD, Xi'an
[2] Shaanxi Jianke Construction Special Engineering CO, LTD, Xi'an
[3] Xi'an University of Technology, Xi'an
来源：
Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | 2021年 / 29卷 / 05期
关键词：
Ancient architecture; Dynamic characteristic; Dynamic response; High stylobate; Xi'an Drum-Tower;
D O I：
10.16058/j.issn.1005-0930.2021.05.016
中图分类号：
学科分类号：
摘要：
In order to evaluate the effect of the vibration of urban rail transit on the wooden structure of ancient architecture, Xi'an Drum-Tower was chosen as the research object in this article. By combining on-site vibration test with finite element numerical simulation, the dynamic characteristics of Xi'an Drum-Tower and its dynamic response law under the operation of Metro Line 6 were researched, the result of which was then used topre-evaluate the vibration performance of Xi'an Drum-Tower according to relevant national norms. It shows that the current first-order frequency in the east-west direction and south-north direction for the wooden structure of Xi'an Drum-Tower is 1.2081Hz and 1.5572Hz respectively. Moreover, the low-order natural vibration frequency and mode for the overall structure of Xi'an Drum-Tower are closer to that of the wooden structure, while the above-fourth-order natural vibration frequency and mode are closer to that of the high stylobate. When Metro line 6 is operated under different modes, both the high stylobate and the wooden structure generally have an amplification effects on the acceleration and velocity response. The vibration induced by metro operating is not only related to the metro speed, but also related to the frequency characteristics of the metro vibration source. When Metro Line 6 runs at 40 km/h under single-line mode, the horizontal velocity response at the top of the pillar on the attic of Xi'an Drum-Tower reaches the maximum of 0.1719mm/s, which is lower than the permissible vibration velocity in relevant national norms. These results can provide a theoretical basis for the construction of Xi'an Metro Line 6 and the life extension and protection of Xi'an Drum-Tower. © 2021, The Editorial Board of Journal of Basic Science and Engineering. All right reserved.
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页码：1292 / 1307
页数：15
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