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Sandwich member for concrete use

A sandwich and component technology, applied to building components, building structures, floor slabs, etc., can solve problems such as installation difficulties and repair troubles

Inactive Publication Date: 2007-11-07
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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  • Sandwich member for concrete use
  • Sandwich member for concrete use
  • Sandwich member for concrete use

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Experimental program
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Embodiment Construction

[0114] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0115] As shown in the accompanying drawings, the present invention comprises an upper box plate 1, a lower box plate 2, a filling mold 3 sandwiched between the upper box plate 1 and the lower box plate 2, and is characterized in that the upper box plate 1 or / and the lower box plate 2 or / and there is at least one anti-seepage or / and anti-crack anti-split 4 around the periphery of the filling mold 3. In each accompanying drawing, 1 is an upper box plate, 2 is a lower box plate, 3 is a filling mold, and 4 is an anti-split. In the following accompanying drawings, those with the same numbering have the same description. As shown in FIG. 1 , there are anti-split pieces 4 for anti-seepage or / and anti-crack around the lower box plate 2 .

[0116] The present invention is also characterized in that the anti-splitting piece 4 protrudes from the peripheral end w...

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Abstract

The sandwiched member for concrete includes one upper box board, one lower box board and one filling formwork between the upper box board and the lower box board, and features that in the peripheral of the upper box board, the lower box board and / or the filling formwork, there is at least one antiseepage and anti-cracking sheet to raise the binding strength of the interface between the in-situ cast and the pre-stressed reinforced concrete and raise the quality of the member. The present invention is suitable for in-situ cast or pre-stressed reinforced concrete hollow floor slab, roof, wall, foundation slab and hollow bridge, especially hollow flat floor slab.

Description

(1) Technical field [0001] The invention relates to a sandwich member for concrete. (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, which not...

Claims

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Application Information

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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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