Application of Secant Piles for Excavation Pit in Complicated Environment | Zendy

Meng Cui | Zendy; Xiao Fu | Zendy; Linna Hu | Zendy; Hailin Liu | Zendy

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Application of Secant Piles for Excavation Pit in Complicated Environment

Author(s) -

Meng Cui,

Xiao Fu,

Linna Hu,

Hailin Liu

Publication year - 2021

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/719/3/032017

Subject(s) - foundation (evidence) , pile , excavation , displacement (psychology) , geotechnical engineering , settlement (finance) , partition (number theory) , finite element method , computer science , engineering , civil engineering , structural engineering , mathematics , archaeology , psychology , combinatorics , world wide web , payment , psychotherapist , history

In order to study the application of secant pile in deep foundation pits in complex environments, this paper takes an actual foundation pit project as the research background, and combines the characteristics of the deep excavation of the foundation pit and the large influence of the groundwater level. Propose the design scheme of partition and segment and use finite element analysis method for numerical calculation. By calculation it is known that the overall displacement of the foundation pit support system is 13.11 mm, the maximum horizontal displacement is 11.8 mm, and the ground settlement is 5.7 mm. All indexes meet the requirements of foundation pit specifications. The research results show that the secant pile has its unique advantages and applicability, which can effectively stabilize the overall performance of the foundation pit and the surrounding environment. The design philosophy in this article can provide references for similar foundation pit projects.

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