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Deformation Law of Deep Foundation Pit of Inclined Shaft Open Trench
The surface of deep foundation pit of open channel section of auxiliary transportation inclined shaft in Zhangjiamao second panel is silty clay, which has large porosity, loose structure and is easy to lose stability after soaking. To ensure the safety and stability of surrounding soil and retaining structure during excavation, FLAC3D simulation and field measurement were used to compare and verify the excavation methods. The results show that as the construction progresses, the soil nail tension changes little, the horizontal displacement of the slope protection pile gradually increases, the top of the low slope shifts southward, and the top of the higher slope shifts northward. Through the comparison of numerical simulation and field monitoring data, the support form of Method 2 can make the slope excavation more stable.
Deformation Law of Deep Foundation Pit of Inclined Shaft Open Trench
The surface of deep foundation pit of open channel section of auxiliary transportation inclined shaft in Zhangjiamao second panel is silty clay, which has large porosity, loose structure and is easy to lose stability after soaking. To ensure the safety and stability of surrounding soil and retaining structure during excavation, FLAC3D simulation and field measurement were used to compare and verify the excavation methods. The results show that as the construction progresses, the soil nail tension changes little, the horizontal displacement of the slope protection pile gradually increases, the top of the low slope shifts southward, and the top of the higher slope shifts northward. Through the comparison of numerical simulation and field monitoring data, the support form of Method 2 can make the slope excavation more stable.
Deformation Law of Deep Foundation Pit of Inclined Shaft Open Trench
Hu, Jian (author) / Li, Zhenghu (author) / Li, Jun (author) / Xie, Yi (author) / Wei, Qi (author) / Liu, Zheng (author)
2022-11-25
4685454 byte
Conference paper
Electronic Resource
English
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