Section steel support and cover plate fabricated foundation for a frozen earth area.
A prefabricated, profiled steel technology, applied in infrastructure engineering, construction, etc., can solve the problems of large friction coefficient of concrete surface, limited bottom area of support section, displacement of concrete slats, etc., and achieve low surface friction coefficient and large inclination angle. , the effect of easy transportation and assembly
Active Publication Date: 2021-09-21
四川电力设计咨询有限责任公司
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Abstract
The invention relates to the field of electric power facilities, and discloses a section steel support and cover plate fabricated foundation for a frozen earth area. The foundation comprises bottom plate battens and a bottom plate connecting cross beam, the bottom plate battens are arranged in parallel, the bottom plate connecting cross beam is perpendicularly connected to the bottom plate battens, the bottom plate connecting cross beam is provided with a section steel support, the section steel support comprises at least three main materials, and the main materials form a conical structure. The bottoms of the main materials of the section steel support are connected to the bottom plate connecting cross beam in a scattered manner, the tops of the main materials of the section steel support converge and are connected with a connecting base plate used for being connected with an iron tower foot plate, and a cover plate is arranged at the periphery of the section steel support to form a conical structure with the periphery closed. The surface friction coefficient of the section steel support and the surface friction coefficient of the cover plate are both smaller than the surface friction coefficient of concrete. By the adoption of the foundation, frost heaving force generated by frozen soil on the foundation can be reduced, the construction period is short, and the stress performance is better.
Application Domain
Foundation engineering
Technology Topic
BattenFrost heaving +4
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