Prestress groove plate with horseshoe-shaped web bottom

A horseshoe-shaped, prestressed technology, applied to building materials, building components, buildings, etc., can solve the problem of excessive distribution of web reinforcement, to solve the problem of excessive distribution of web reinforcement, ensure structural bearing capacity, and reduce layer height effect

Pending Publication Date: 2016-11-23
济南市人防建筑设计研究院有限责任公司
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Problems solved by technology

[0003] In order to solve the above problems, the present invention can solve the problem that the distribution range of the web reinforcement is too large by designing the bottom of the web of the channel plate as a horseshoe, and at the same time increase the compression area of ​​the bottom to meet the calculation of the local compression of the bottom

Method used

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  • Prestress groove plate with horseshoe-shaped web bottom
  • Prestress groove plate with horseshoe-shaped web bottom
  • Prestress groove plate with horseshoe-shaped web bottom

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can understand the present invention.

[0019] A prestressed channel plate with a horseshoe-shaped web bottom, including two webs 1, a wing 2, and a concrete pouring layer 3 covering the tops of the web 1 and the wing 2, and the web 1 is located at both ends of the wing 2 bottom. The interior of the web 1 is provided with a plurality of stirrups 11 , a plurality of web non-prestressed longitudinal reinforcements 12 , a plurality of web prestressed longitudinal reinforcements 13 and horseshoe-shaped structural reinforcements 14 . The bottom of the web 1 is horseshoe-shaped. The stirrup 11 is located in the middle of the web 1 . The plane where the steel bars on both sides of the stirrup 11 are located is parallel to the axial cross-section of the web 1 . The non-prestressed longitudinal reinforcement 12 of the w...

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Abstract

The invention relates to the technical field of underground civil air-defense projects and specifically relates to a prestress groove plate with horseshoe-shaped web bottom. The prestress groove plate comprises a web plate, a flange plate and concrete pouring layers covering on the tops of the web plate and the flange plate, wherein the bottom of the web plate is of horseshoe shape; a horseshoe-shaped reinforcement bar and a prestress longitudinal bar are arranged at the bottom of the web plate; an air hole is formed in the web plate; reinforcing components are arranged on the periphery of the air hole. According to the invention, the bottom of the web plate is designed to be a horseshoe shape, so that the problem of ultra-wide distribution scope of the web plate reinforcement bars can be solved, and meanwhile, the bottom pressed area can be increased and pressed calculation for the bottom local part can be met; a rectangular hole is reserved in the web plate of the groove plate; various ventilating pipelines, fire hoses and heating pipes of the construction can pass through the rectangular hole, so that the story height occupied by equipment can be reduced, the story height of the groove plate can be reduced and the economical efficiency can be increased; a patented reinforcing component is arranged at the hole position, so that the structure loading capacity can be ensured.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to a prestressed groove plate with a horseshoe-shaped web bottom. Background technique [0002] At present, the prestressed concrete channel slab is a prefabricated reinforced concrete bearing member combined with a beam and a slab, which consists of a wide wing plate and two narrow and high webs. Prestressed concrete channel slabs have good structural mechanical properties, clear force transmission levels, and simple geometric shapes. They are economical load-bearing components that can be made into large spans, large loads, and large coverage areas. Applications. The traditional channel plate structure is a fully prestressed structure, the web of the member is thin, and the calculation of local compression at the bottom is not easy to satisfy. The reinforcement at the bottom is dense and distributed in a large range, which is not conducive to piercing holes at the web. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C2/30E04C2/52E04C2/06
CPCE04C2/30E04C2/06E04C2/521
Inventor 何见乐潘阳苗学东
Owner 济南市人防建筑设计研究院有限责任公司
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