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Concrete wall construction joint waterproof treatment method

A technology for concrete wall and waterproof treatment, which is applied to artificial islands, water conservancy projects, underwater structures, etc., can solve problems such as energy consumption and funds, affecting the normal use of building products, waterproof damage, etc., to increase the adaptability to the deformation of the base The ability to avoid groundwater leakage, the effect of simple and convenient operation

Active Publication Date: 2014-11-19
CHINA THIRD METALLURGICAL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this construction method, only one waterproof measure is installed on the facing surface of the wall. Under the long-term immersion and corrosion of groundwater, or due to the joint action of uneven settlement of buildings and soil freezing and thawing, once the waterproof membrane cracks or waterproofs If the coating fails, it will lead to waterproof damage and groundwater leakage. Groundwater leakage into the project will accelerate the corrosion of the interior decoration and equipment of the project and affect the normal use of building products. It takes a lot of money to use machinery to remove the leaking water inside the project. A lot of energy and money

Method used

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  • Concrete wall construction joint waterproof treatment method
  • Concrete wall construction joint waterproof treatment method

Examples

Experimental program
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Effect test

Embodiment 1

[0033] [Example 1] waterproof treatment of concrete wall 1 construction joint 2 with waterproof steel plate 7 (see figure 1 )

[0034] Clean up the concrete wall 1 within a width of 500 mm on both sides of the construction joint 2 on the water-facing surface; lay waterproof membranes according to the "Waterproof Membrane Construction Technology Standard", and the waterproof membranes are APP (APAO) modified asphalt membranes. Paving by hot-melt paste method;

[0035] Lay and paste the first layer of waterproof membrane 3, and do not paste it within a width of 50 mm on both sides of the construction joint 2 on the water-facing surface. Reserve a width of 120 mm in the middle of the first layer of waterproof membrane 3, and then stick firmly to the wall 1 on both sides, with a width of 100 mm;

[0036] Lay and paste the second layer of waterproof membrane 4, do not paste within the scope of the first layer of waterproof membrane 3, reserve a width of 330mm in the middle of the ...

Embodiment 2

[0039] [Example 2] waterproof treatment of concrete wall 1 construction joint 2 with waterstop 8 (see figure 2 )

[0040] Clean up the concrete wall 1 within a width of 500mm on both sides of the construction joint 2 on the water-facing surface; lay and paste waterproof membranes according to the "Waterproof Membrane Construction Technology Standard", the waterproof membrane is SBS rubber modified asphalt membrane, and heat Fusion paste method paving;

[0041] Lay and paste the first layer of waterproof membrane 3, and do not paste it within a width of 50 mm on both sides of the construction joint 2 on the water-facing surface. Reserve a width of 130 mm in the middle of the first layer of waterproof membrane 3, and then stick firmly to the wall 1 on both sides, with a width of 100 mm;

[0042] 3) Lay the second layer of waterproof membrane 4, do not paste within the scope of the first layer of waterproof membrane 3, reserve 340mm width in the middle of the second layer of wa...

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Abstract

The invention relates to a concrete wall construction joint waterproof treatment method which comprises the steps of (1) cleaning a wall, (2) laying a first layer of waterproof coiled material, (3) laying a second layer of waterproof coiled material, (4) laying a third layer of waterproof coiled material and (5) attaching an outer protective layer. Compared with the prior art, the method has the advantages that a mode of stacking multiple layers of coiled materials is adopted, so that wall construction joints with a waterproof requirement are effectively protected, and an underwater leakage phenomenon caused by failure of waterproof measures is avoided; the waterproof coiled materials are not attached to a basic layer within a range and properly reserve expansion amount, so that the ability of a waterproof layer adapting to basic layer deformation is improved, and the waterproof coiled materials are prevented from being bumpy and cracking; the protective layer is additionally disposed outside the coiled materials, so that construction portions are protected from underground water or erosion of corrosive matter; the method is easy and convenient to operate, and people only need to operate according to conventional construction methods.

Description

technical field [0001] The invention relates to the technical field of waterproof treatment in building construction, in particular to a waterproof treatment method for construction joints of concrete walls. Background technique [0002] When constructing a box foundation or a basement, the concrete of the bottom slab and the outer wall slab are poured and tamped separately, and there is a construction joint in the section of the wall slab concrete poured twice. When the position of this joint is below the groundwater level line, Water seepage is easy to occur, so the construction joints must be waterproofed. There are many ways to deal with it. At present, the more common method is to install water-stop steel plates or water-stop strips in the waterproof concrete wall, and at the same time lay a layer of waterproof membrane or paint a layer of penetrating crystal waterproof material on the outer wall. In this construction method, only one waterproof measure is provided on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/16
Inventor 王卫东张睿王恺
Owner CHINA THIRD METALLURGICAL GRP
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