Beishan Cave 168 roof reinforcement project and construction process tracking monitoring analysis

doi:10.11835/j.issn.1000.582X.2024.10.005

Home > Archive>Volume 47, Issue 10, 2024 >61-85. DOI:10.11835/j.issn.1000.582X.2024.10.005

Beishan Cave 168 roof reinforcement project and construction process tracking monitoring analysis
DOI:
                        10.11835/j.issn.1000.582X.2024.10.005
                    
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                        LIU Keyuan1,2LIU Keyuan
1aa. State Key Laboratory for Geomechanics & Deep Underground Engineering, China University of Mining & Technology (Beijing), Beijing100083, P. R. China;1bSchool of Mechanics & Civil Engineering, China University of Mining & Technology (Beijing), Beijing100083, P. R. China
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JIANG Siwei3JIANG Siwei
Academy of Dazu Rock Carvings, Chongqing , Chongqing402360, P. R. China
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FENG Taibin3FENG Taibin
Academy of Dazu Rock Carvings, Chongqing , Chongqing402360, P. R. China
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CHEN Huili3CHEN Huili
Academy of Dazu Rock Carvings, Chongqing , Chongqing402360, P. R. China
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WEN Jiasong4WEN Jiasong
Bejing Guo Dian Water Resources & Electric Power Engineering Co., Ltd., Beijing100024, P. R. China
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TAO Zhigang1,2TAO Zhigang
1aa. State Key Laboratory for Geomechanics & Deep Underground Engineering, China University of Mining & Technology (Beijing), Beijing100083, P. R. China;1bSchool of Mechanics & Civil Engineering, China University of Mining & Technology (Beijing), Beijing100083, P. R. China
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Affiliation:1.1aa. State Key Laboratory for Geomechanics & Deep Underground Engineering, China University of Mining & Technology (Beijing), Beijing100083, P. R. China;2.1bSchool of Mechanics & Civil Engineering, China University of Mining & Technology (Beijing), Beijing100083, P. R. China;3.Academy of Dazu Rock Carvings, Chongqing , Chongqing402360, P. R. China;4.Bejing Guo Dian Water Resources & Electric Power Engineering Co., Ltd., Beijing100024, P. R. China
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Abstract:

After more than 1 000 years of unloading effects, the roof of Beishan Cave 168 at Dazu Rock Carvings is riddled with intersecting cracks, posing significant structural stability problems. At present, the cave roof is temporarily supported by materials like steel plates and pipes, but cracks continue to spread, and the steel plates are severely corroded, leaving the cave at risk of instability and collapse. Emergency reinforcement and protection are urgently needed. Due to the cultural importance of the site, the reinforcement process must minimize disturbance, necessitating continuous monitoring throughout construction. This paper uses numerical simulation to analyze the deformation mechanism under existing support conditions, guiding the placement of monitoring points. Monitoring data from the entire construction process are analyzed to evaluate the engineering treatment. The results provide valuable insights for monitoring and protecting similar structured grotto roofs.

Key words:flat-top grottoes;monitoring;numerical simulation;consolidation project

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刘珂源,蒋思维,冯太彬,陈卉丽,文加松,陶志刚.北山168窟顶板加固工程及施工过程跟踪监测分析[J].重庆大学学报,2024,47(10):61~85

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Received:December 22,2023
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Online: November 14,2024
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