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Construction method for strengthening perforated plate and floor slab

A construction method and perforated plate technology, which is applied in building maintenance, construction, building construction, etc., can solve the problems that mortar and fine stone concrete are difficult to form a whole, fine stone concrete is not poured in place, and the horizontal connection between plates is affected. Enhanced horizontal connection ability, low construction cost, and convenient operation

Active Publication Date: 2013-10-23
蚌埠尚维知识产权运营有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reasons for the analysis are as follows: Since the surface layer of the perforated slab is usually made of mortar leveling layer, the tensile strength of the mortar is very poor, and it is difficult to prevent the occurrence of cracks
Even if some projects are reinforced with steel mesh, since the steel mesh is close to the perforated slab, it is difficult for mortar and fine stone concrete to form a whole
In addition, fine stone concrete is usually filled between porous plates, and the pouring of fine stone concrete is not in place, which affects the horizontal connection between the plates

Method used

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  • Construction method for strengthening perforated plate and floor slab

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Embodiment Construction

[0017] The present embodiment will be described in detail below with reference to reference numerals.

[0018] The construction steps of this embodiment include:

[0019] (1) Remove the mortar surface layer of the perforated slab floor.

[0020] (2) Remove the filler in the joint between the perforated plate and the wall, and the removal range reaches the top surface of the ring beam.

[0021] (3) Install the steel liner, the thickness of the steel liner is 10mm, and the steel liner is fixed to the wall through the pull bolts.

[0022] (4) Drill holes in the wall, the hole diameter is 8mm, and the steel strands are fixed to the steel liner through the drilled wall holes through the anchors. The diameter of the steel strands is 6.5mm, and the spacing between the steel strands is 0.8m.

[0023] (5) After the steel strand is stretched, it is fixed on the steel lining board with anchors, and the gap between the steel strand and the wall hole is closed with high-strength epoxy re...

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Abstract

The invention discloses a construction method for strengthening a perforated plate and a floor slab. The construction method is characterized by comprising the following construction steps: (1) a mortar surface layer of the perforated plate and a mortar surface layer of the floor slab are removed; (2) filler in seams between the perforated plate and a wall body is removed, and the removal range reaches the top surface of a ring beam; (3) a steel linear plate is mounted; (4) a hole is drilled in the wall body, and a steel strand passes through the drilled wall hole and is fixed on the steel linear plate through an anchorage device; (5) the steel strand is fixed on the steel linear plate through the anchorage device after being stretched, and a gap between the steel strand and the wall hole is sealed through high-strength epoxy resin; (6) a seam between the perforated plate and the wall body is filled with expansive concrete; (7) a waterproof layer is constructed; (8) a fine aggregate concrete layer is poured on asphalt felt. The construction method for strengthening the perforated plate and the floor slab is convenient to operate and low in construction cost.

Description

technical field [0001] The invention relates to a reinforcement construction method, in particular to a construction method for reinforcement of a perforated slab floor. Background technique [0002] Some factory buildings using perforated panels have suffered from varying degrees of disease, especially in factories with vibration equipment. The main diseases of perforated panel floors are as follows: (1) cracks appear along the longitudinal joints between the perforated panel floors; (2) The deflection of the perforated slab floor; (3) The large-scale leakage of the perforated slab floor. The reason for the analysis is as follows: Since the surface layer of the perforated slab is usually made of mortar leveling layer, the tensile strength of the mortar is very poor, and it is difficult to prevent the occurrence of cracks. Even if some projects are reinforced with steel mesh, because the steel mesh is close to the perforated slab, it is difficult for mortar and fine stone c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/02
Inventor 朱奎
Owner 蚌埠尚维知识产权运营有限公司
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