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Research and Application of Anti-floating Schemes of Deep Foundation Pit of Subway for Underwater Excavation and underwater concrete sealing [PDF]
E3S Web of Conferences, 2020 To implement deep foundation pit of subway construction with underground continuous wall adopting underwater excavation and waterproofing concrete bottom sealing curtain, the depth of bottom concrete must first meet the anti-floating requirements of the ...
Luo Sheng
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Chemical Engineering Transactions, 2017 Foundation pit engineering refers to the excavation in the ground below the underground space and its supporting support system. The foundation pit support is used to ensure the excavation of the foundation pit, the smooth construction of the foundation ...
Jun Li, Feng Jin, Yongzheng Ma
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Safety management of deep excavation engineering in subway stations based on soil mechanics response simulation analysis [PDF]
Archives of Civil EngineeringAs the economy develops with the continuous acceleration of modern urban construction, the demand for subway construction has been increasing. When constructing subway stations, the safety management of deep foundation pit support engineering is ...
Deqiu Zhang, Jingyan Wang
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Geofluids, 2021 Considering the unique conditions of deep and large subway foundation pit excavation affected by heavy rainfall in soil-rock composite strata, this paper employs finite element numerical simulation methods to study foundation pit instability under the ...
Yan Wang +4 more
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Advances in Civil Engineering, 2021 So far, there have been a large number of diaphragm walls in the Yangtze River Delta as engineering examples of deep foundation pit maintenance structures in subway stations, but there is a lack of systematic research and summary on the deformation ...
Yuan Mei +6 more
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Numerical Analysis of Deep Foundation Pit Excavation Process
IOP Conference Series: Earth and Environmental Science, 2021 Abstract Based on the background of a subway project to be built in a certain city, finite element analysis software Abaqus 6.1.4 was used to simulate and analyze the displacement changes of deep foundation pit excavation, underground diaphragm wall, steel support and other supporting structures.
Xiaoyi Jiang +4 more
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Advances in Civil Engineering, 2022 Deep foundation pit construction adjacent to a subway station in a soft soil area was numerically simulated with Midas GTS NX calculation software. The influence of the deep foundation pit construction on the deformation and stress of the subway station ...
Tao Yang +5 more
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Comparative Study of Pile Pillared Support and Pile-anchor Retaining in Deep Pit [PDF]
E3S Web of Conferences, 2020 Support pattern is the most important factor affecting the stability of foundation pit. In order to study the stable state of deep foundation pit, this paper selects pile pillared support and pile-anchor retaining which are high accident rate for ...
Wang Chengxiang +4 more
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Safety Resilience Evaluation of Deep Foundation Pit Construction Based on Extension Cloud Model
BuildingsDeep foundation pit construction faces significant safety challenges—including frequent accidents and severe disaster consequences—due to inherent complexity and uncertainty.
Xiaojian Guo +3 more
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Advances in Materials Science and Engineering, 2022 Reinforcement of pit bottom soil has been utilized in subway deep foundation-pit engineering in soft-soil areas. This study proposes an improved foundation-pit excavation model to better investigate the effect of soil reinforcement at the bottom of a pit
Yan Wang, Fei Zhang
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