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Opening box for concrete structure

A technology for opening boxes and structures, which can be applied to building components, building structures, floor slabs, etc., and can solve problems such as difficult installation and troublesome repairs.

Inactive Publication Date: 2007-10-31
湖南邱则有专利战略策划有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after this formwork component is applied to the cast-in-place concrete hollow floor, the formed floor will inevitably be equipped with components such as various lines, and often needs to drill holes on the newly repaired floor, and it is difficult to install. Repair is very troublesome

Method used

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  • Opening box for concrete structure
  • Opening box for concrete structure
  • Opening box for concrete structure

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Embodiment Construction

[0088]The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0089] As shown in the accompanying drawings, the present invention includes an upper box plate 1 and a surrounding formwork 2, which is characterized in that the surrounding formwork 2 is a formwork 3 that is partially or completely compressible or / and stretchable. In each accompanying drawing, 1 is an upper box board, 2 is a surrounding template, and 3 is a template. In the following accompanying drawings, those with the same numbering have the same description. As shown in FIG. 1 , the open box for concrete structure includes an upper box plate 1 and a surrounding formwork 2 , and the surrounding formwork 2 is a formwork 3 that is fully compressible and stretchable.

[0090] The present invention also lies in that the upper end of the tension-compression deformation formwork 3 contacts and engages with the bottom surface or the side surface of the upp...

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Abstract

Disclosed is a hollow box for concrete structure, which comprises an upper box board (1) and peripheral formworks (2), characterized in that the peripheral formworks (2) are partly or completely deformable formworks (3) through compressing deformation or / and stretch deformation. The invention can be applied to various cast-in-situ reinforced-bar concrete or prestressed reinforced-bar concrete hollow building roofings, house roofings, walls, foundation bedplates and hollow bridges, especially for hollow flat slabs.

Description

(1) Technical field [0001] The invention relates to an open box for a concrete structure. (2) Background technology [0002] At present, most of the buildings with brick-concrete structure and frame structure use prefabricated hollow-core slabs as floor slabs. This kind of floor slab has the advantages of fast construction speed and low cost, but because there is no firm connection between two adjacent prefabricated hollow-core slabs , Only cement mortar is used to fill the gaps, so not only the integrity is poor, which is not conducive to earthquake resistance, but also cracks and water seepage often occur, causing great inconvenience and psychological pressure to the residents. In order to solve the above problems, many buildings have adopted the method of cast-in-place concrete floor slabs (hollow, solid). Although the cast-in-place concrete floor slab solves the problems of earthquake resistance and cracking, a large number of templates are used during construction, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/16E04B5/17E04B5/18E04B5/36
Inventor 邱则有
Owner 湖南邱则有专利战略策划有限公司
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