Stepped connecting structure of underpinning pile column and newly-built foundation slab and construction method of stepped connecting structure

The invention provides a step type connecting structure of an underpinning pile column and a newly-built foundation slab and a construction method of the step type connecting structure. The step type connecting structure comprises an upper structure water stop section and a lower underpinning force...

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Bibliographic Details
Main Authors TAN YONGWEI, LIAN KE'NAN, CHANG LINYUE, WANG WEIDONG, YIN YIHONG, DI GUO'EN, SONG QINGJUN
Format Patent
LanguageChinese
English
Published 13.01.2023
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention provides a step type connecting structure of an underpinning pile column and a newly-built foundation slab and a construction method of the step type connecting structure. The step type connecting structure comprises an upper structure water stop section and a lower underpinning force transmission section, and a step type conversion bearing platform with the small upper portion and the large lower portion is formed; the construction water stop section is a newly-built foundation slab pre-construction area and is provided with a water stop plate. The underpinning force transmission section is arranged below a newly-built foundation slab, the upper portion of the underpinning force transmission section is sequentially connected with the construction water stop section and a newly-built structure column, and the lower portion of the underpinning force transmission section and an underpinning pile column form a conversion node. After the stress conversion of the column section of the underpinning pi
Bibliography:Application Number: CN202211362900