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Pile type selection and design of permanent-temporary synthesis structures for underground urban complexes in soft soil foundation site

 Pile type selection and design of permanent-temporary synthesis structures for underground urban complexes in soft soil foundation site
Auteur(s): , ,
Présenté pendant IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024, publié dans , pp. 745-752
DOI: 10.2749/manchester.2024.0745
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With the continuous acceleration of urbanization, the development of underground space is becoming more and more widespread. In response to the high cost of underground engineering in soft soil fou...
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Détails bibliographiques

Auteur(s): (Tongji Architectural Design (Group) Co., Ltd., Shanghai, China)
(Tongji Architectural Design (Group) Co., Ltd., Shanghai, China)
(Structural Engineering Department, Tongji University, Shanghai, China Tongji Architectural Design (Group) Co., Ltd., Shanghai, China)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024
Publié dans:
Page(s): 745-752 Nombre total de pages (du PDF): 8
Page(s): 745-752
Nombre total de pages (du PDF): 8
DOI: 10.2749/manchester.2024.0745
Abstrait:

With the continuous acceleration of urbanization, the development of underground space is becoming more and more widespread. In response to the high cost of underground engineering in soft soil foundation complexes, engineering designers have proposed a design concept of combining the temporary support system for excavations during the construction phase with the permanent and temporary main structural system during the use phase. This paper introduces the composition of the permanent and temporary combination system of the pile foundation engineering of the soft soil foundation complex and the selection and design method of the permanent and temporary combination pile foundation, determines the joint design criteria of the temporary column pile and the permanent engineering pile of the foundation pit, and carries out the joint selection, joint layout and pile body design of the pile foundation. Taking the X102 plot complex project of Shanghai West Railway Station as an example, this paper summarizes the permanent and temporary combination of pile foundation, which can be used as a reference for similar projects. Engineering practice has proved that the permanent-temporary combination of pile foundation in underground engineering of soft soil foundation complex can greatly reduce the engineering cost and meet the social demand of energy saving and carbon reduction.