Fabricated reinforced concrete foundation pit supporting beam section capable of being matched with steel support and prefabrication method

By adopting prefabricated steel-concrete foundation pit support beam sections and prefabricated methods that can be matched with steel support in foundation pit projects, the problems of long construction period, short service life and high cost in the prior art are solved, and a more efficient and environmentally friendly foundation pit support system is achieved.

CN119711508APending Publication Date: 2025-03-28HUBEI UNIV OF TECH +2
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Patent Information

Application Number
CN202411980007.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing cast reinforced concrete internal support is difficult to effectively solve in the problems of long construction cycle, difficult demolition, short service life, high cost and large carbon emissions, especially in foundation pit projects with high ground stress.

Method used

A prefabricated steel-concrete foundation pit support beam section and prefabricated method are provided that can be combined with steel support. By setting a beam sleeve on a rectangular reinforced concrete and prefabricating it in a factory, the advantages of easy installation and dismantling are achieved.

Benefits of technology

By prefabrication in the factory in advance, the construction cycle of the support in the foundation pit is shortened, transportation and construction costs are reduced, the service life of the support system is improved, and carbon emissions are reduced.

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Abstract

The invention relates to the technical field of constructional engineering, and discloses a structure of an assembly type foundation pit supporting beam section capable of being matched with a steel support and a prefabricating method of the structure. The beam sleeve design and various hole arrangement modes of the assembly type foundation pit supporting beam section and the detailed technology for prefabricating the supporting beam section in a factory through a mold are given. The supporting beam section is used in cooperation with a steel support, and inner supporting systems in various forms can be assembled on the foundation pit site. The supporting beam section is convenient to mount, demount and reuse, and has good economic benefits and social benefits.
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