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Author:

Guo, Fei (Guo, Fei.) | Tao, Lian-Jin (Tao, Lian-Jin.) (Scholars:陶连金) | Kong, Heng (Kong, Heng.) | Ma, Hong-Hong (Ma, Hong-Hong.) | Zhang, Li-Li (Zhang, Li-Li.) | Zhang, Xin-Quan (Zhang, Xin-Quan.)

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EI Scopus PKU CSCD

Abstract:

Ground vibration induced by shield construction has become a major environmental vibration problem in urban areas. Based on a sandy pebble formation of a shield construction in Lanzhou, by synchronizing the test tunnel and three-direction vibration acceleration on the surface of the earth, this paper studies the shield construction-induced vibration in the time domain, and frequency domain propagation law within the surface of the 50 m×50 m area. The findings of this study are as follows: 1) the spread of the surface free field acceleration with the distance firstly increases and then sharply attenuates. In X direction, the amplification phenomenon repeatedly appears; 2) the transverse maximum peak of 0.33 m/s2 is harmful to sensitive ancient buildings; 3) within the scope of 50 meters, the surface frequency mainly ranges from 4 to 80 Hz, the vibration spectrum magnitude does not monotonously decrease with the increase of the vibration source distance, but has rebounding phenomenon, which is associated with excellent frequency field soil; 4) the influence of three directions of vibration should be considered in the evaluation of shield induced environmental vibration. © 2018, Science Press. All right reserved.

Keyword:

Frequency domain analysis Vibration analysis Environmental regulations

Author Community:

  • [ 1 ] [Guo, Fei]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Guo, Fei]Beijing Municipal Construction Co., Ltd., Beijing; 100048, China
  • [ 3 ] [Tao, Lian-Jin]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Kong, Heng]Beijing Municipal Construction Co., Ltd., Beijing; 100048, China
  • [ 5 ] [Ma, Hong-Hong]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Zhang, Li-Li]Beijing Municipal Construction Co., Ltd., Beijing; 100048, China
  • [ 7 ] [Zhang, Xin-Quan]Beijing Municipal Construction Co., Ltd., Beijing; 100048, China

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Source :

Rock and Soil Mechanics

ISSN: 1000-7598

Year: 2018

Issue: 9

Volume: 39

Page: 3377-3385

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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