Waterproof processing method and structure for roof stretching seam

A technology of waterproof treatment and expansion joints, applied in the direction of roof, roof covering, building roof, etc., can solve the problems of weak waterproof ability, hidden danger of water leakage, hidden danger of water leakage, etc., to enhance waterproof ability, prevent water leakage, and improve roof waterproof ability Effect

Inactive Publication Date: 2010-03-10
GUIYANG AL-MG DESIGN & RES INST
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Problems solved by technology

However, the waterproof treatment of the roof expansion joints of the existing substation rectifier room is all one waterproofing, and the method of flooding with a brick block platform is used. The waterproofing ability is relatively weak, and there is a hidden danger of water leakage.
[0003] In the prior art, the Chinese patent application number 95110703

Method used

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  • Waterproof processing method and structure for roof stretching seam

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Embodiment

[0013] Example: such as figure 1 First, pour the roof slab and the waterproof block at the expansion joint of the roof into a whole 1. After the concrete roof is initially set, the mold is removed, and cleaned, a layer of asphalt linoleum is dryly laid as the isolation layer 2, and fine stone concrete is laid on it in turn Waterproof layer 3, 1:2 cement mortar leveling layer 4, polymer coiled material additional layer 5, polymer coiled material waterproof layer 6, and the expansion joint is filled with foam 7 and cushioning material 8 is filled on it. The rubber foam rod that adapts to the expansion and contraction of the base layer is covered with a coil 9 and a concrete cover plate 10 is buckled on the top. The buckled concrete cover plate is C20 concrete with φ6 longitudinal ribs with a spacing of 100.

[0014] Leave a gap 11 with a width of 30mm at the junction of the fine stone concrete waterproof layer 3 and the walls on both sides of the roof expansion joint, and use the s...

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Abstract

The invention provides waterproof processing method and structure for a roof stretching seam. The method comprises the following steps: integrally pouring a roof floor and a waterproof blocking platform in the roof stretching seam position into a whole; after the roof to be concreted is initially solidified, demoulded and cleaned, adopting a dry laying bituminous felt layer as an isolating layer;sequentially laying a fine stone concrete waterproof layer, a cement mortar leveling layer, a macromolecule coiled material additional layer and a macromolecule coiled material waterproof layer on theisolating layer and filling foamed plastics in the stretching seam; filling a gasket material on the foamed plastics, sealing by a coiled material and covering a concrete cover plate on the top. Theinvention adopts a cast-in-situ reinforced concrete blocking platform as a flashing to reinforce the waterproof ability of a weak joint in the roof stretching seam position and prevent water leakage in the roof deforming seam position; and the roof floor and the waterproof blocking platform in the roof stretching seam position are integrally poured into a whole to overcome the defect of bad integrity of the prior method for building the waterproof blocking platform by bricks in the roof deforming seam position.

Description

Technical field [0001] The invention relates to a building construction method, in particular to a waterproof treatment method for expansion joints. Background technique [0002] Aluminum electrolysis is a metal smelting process. The main raw material is alumina powder to produce aluminum solution. The main power source is direct current. It comes from 110KV alternating current from the high-voltage power grid. After being transformed and rectified, it is directly supplied to electrolysis production. For electrolytic aluminum with an annual output of more than 100,000 tons, 4 or more rectifier units are usually used for the outlet interval, and the total length of the building is more than 60 meters. Because the equipment in the rectifier room is live equipment, and the rectifier room occupies a special important position in the entire electrolytic aluminum plant, the roof waterproof treatment of the building, especially when the length exceeds 60 meters, requires roof expansion ...

Claims

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Application Information

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IPC IPC(8): E04D13/158E04D11/02
Inventor 陈海
Owner GUIYANG AL-MG DESIGN & RES INST
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