Articles | Volume 382
https://doi.org/10.5194/piahs-382-755-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-382-755-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Establishment and practice of land subsidence control and management system for deep foundation pit dewatering in Shanghai
Xinlei Huang
CORRESPONDING AUTHOR
Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Natural Resources of China, Shanghai, 200072, China
Shanghai Institute of Geological Survey, Shanghai, 200072, China
Shanghai Engineering Research Center of Land Subsidence, Shanghai,
200072, China
Tianliang Yang
Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Natural Resources of China, Shanghai, 200072, China
Shanghai Institute of Geological Survey, Shanghai, 200072, China
Shanghai Engineering Research Center of Land Subsidence, Shanghai,
200072, China
Jianzhong Wu
Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Natural Resources of China, Shanghai, 200072, China
Shanghai Institute of Geological Survey, Shanghai, 200072, China
Shanghai Engineering Research Center of Land Subsidence, Shanghai,
200072, China
Jinxin Lin
Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Natural Resources of China, Shanghai, 200072, China
Shanghai Institute of Geological Survey, Shanghai, 200072, China
Shanghai Engineering Research Center of Land Subsidence, Shanghai,
200072, China
Ye He
Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Natural Resources of China, Shanghai, 200072, China
Shanghai Institute of Geological Survey, Shanghai, 200072, China
Shanghai Engineering Research Center of Land Subsidence, Shanghai,
200072, China
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The ground deformation of a typical reclamation area in Chongming East Shoal, Shanghai was monitored by the SBAS method. Moreover, corresponding the monitoring results to the soil properties with field investigation and laboratory tests. The soil properties including physical and chemical properties, compressibility, micropore distribution and microstructure characteristics, are studied, and then the monitoring results are reasonably interpreted, providing a reference for future construction.
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In Shanghai, China, land subsidence is distributed along the belt near a subway line. In order to figure out the mechanical response of the tunnel surroundings, the PFC2D software based on a discrete element method is introduced to simulate the section of the metro tunnel. The linear contact bond model was employed to reflect the characteristics of clay. The mechanical response law and subsidence mechanism were investigated.
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The ground deformation of a typical reclamation area in Chongming East Shoal, Shanghai was monitored by the SBAS method. Moreover, corresponding the monitoring results to the soil properties with field investigation and laboratory tests. The soil properties including physical and chemical properties, compressibility, micropore distribution and microstructure characteristics, are studied, and then the monitoring results are reasonably interpreted, providing a reference for future construction.
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In Shanghai, China, land subsidence is distributed along the belt near a subway line. In order to figure out the mechanical response of the tunnel surroundings, the PFC2D software based on a discrete element method is introduced to simulate the section of the metro tunnel. The linear contact bond model was employed to reflect the characteristics of clay. The mechanical response law and subsidence mechanism were investigated.
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Cited articles
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IAHS/Symposium on land subsidence, Nagoya, Japan, November 2015, 1–5, 2015.