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作者:

Gao, Bingli (Gao, Bingli.) | Yang, Congcong (Yang, Congcong.) | Li, Lang (Li, Lang.) | Zhang, Haixiang (Zhang, Haixiang.) | He, Wantong (He, Wantong.) | Yang, Zhifa (Yang, Zhifa.) | Cai, Zhiyun (Cai, Zhiyun.)

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EI Scopus

摘要:

The Heidong ancient man-made underground caverns consist of 21 single caverns and the group caverns cover an area of 24,000 m2. The large-scale underground quarry with 21 caverns has been preserved in its original state for more than 1400 years in Tiantai County of South China due to the favorable engineering geological conditions and the structural integrity of rock mass. In this study, based on the field investigation method and numerical simulation, the deformation and damage of the surrounding rock of each ancient cavern chamber were studied, and the damage types and damage mechanisms of the surrounding rock were analyzed. The influence on the long-term stability of the cavern was analyzed in terms of ancient engineering concepts and the quality of the surrounding rock. Research results showed that cavern block instability has caused some roof collapse due to gravity and the horizontal displacement conditions. The higher quality of the surrounding rock in layers 6 and 8 is an important reason for the long-term stability of the ancient caverns. In addition, the ancient engineering idea implemented, including double-arched structure and fault avoidance, as well as waste rock accumulation on the floor of the caverns, have played an important role in their long-term stability. Overall, this study is relevant to modern underground engineering seeking to promote the scientific protection for ancient engineering constructions. © 2022, The Author(s), under exclusive licence to Springer Nature Switzerland AG.

关键词:

Rocks Numerical methods Failure (mechanical) Stability Caves

作者机构:

  • [ 1 ] [Gao, Bingli]Xi’an University of Science and Technology, Xi’an; 710054, China
  • [ 2 ] [Yang, Congcong]Xi’an University of Science and Technology, Xi’an; 710054, China
  • [ 3 ] [Li, Lang]China Jikan Research Institute of Engineering Investigations and Desing Co. Ltd, Xi’an; 710043, China
  • [ 4 ] [Zhang, Haixiang]Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [He, Wantong]China Renewable Energy Engineering Institute, Beijing; 100120, China
  • [ 6 ] [Yang, Zhifa]Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing; 100029, China
  • [ 7 ] [Cai, Zhiyun]Northwest Hydropower Engineering Corporation Limited, Power china, Xi’an; 710065, China

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来源 :

Geotechnical and Geological Engineering

ISSN: 0960-3182

年份: 2022

期: 10

卷: 40

页码: 4975-4990

ESI学科: ENGINEERING;

ESI高被引阀值:49

被引次数:

WoS核心集被引频次:

SCOPUS被引频次: 5

ESI高被引论文在榜: 0 展开所有

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