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Skin-type waterproof coating and construction method

A waterproof coating and skin technology, applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems that affect the popularization and application of high-efficiency inorganic waterproof coatings, slow strength development, low compressive strength, etc., to improve waterproof engineering Quality, improve quality, ensure watertight effect

Active Publication Date: 2010-08-04
石家庄天冕防水科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After localization, the high-efficiency inorganic waterproof coating follows the American "guarantee" and still uses white Portland cement as the carrier. However, white cement is mainly used for "decoration", and its compressive strength is low and its early strength develops slowly.
Therefore, in order to ensure the waterproof performance of the coating, it is necessary to have a set of cumbersome and harsh coating maintenance technology, which seriously affects the popularization and application of high-efficiency inorganic waterproof coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Each component contained in the skin-type waterproof coating of the first embodiment of the present invention and the percentage of each component accounting for the total weight of the coating are: 88.1% of rapid hardening sulfoaluminate cement, 8.3% of FEA concrete expansion agent, hydroxyl Propyl methyl cellulose 1.2%, aluminum stearate 2.3%, lithium carbonate 0.1%.

[0040] Apply this skin-type waterproof coating to the waterproof construction project of the exterior wall of the underground parking lot. The construction steps are as follows:

[0041] (1) Clean the base surface: remove sundries and dust to expose the concrete base surface of waterproof construction;

[0042] (2) Defect repair: Repair the construction defects of leakage, honeycomb, and grouting generated by the concrete body during its construction, use YJ-303 concrete interface treatment agent to blend the skin-type waterproof coating to form a glue, and then repair the concrete body The defective p...

Embodiment 2

[0049] Each component contained in the skin-type waterproof coating of the second embodiment of the present invention and the percentage of each component accounting for the total weight of the coating are: 88.1% of rapid hardening sulfoaluminate cement, 8.3% of FEA concrete expansion agent, hydroxyl Propyl methyl cellulose 1.2%, aluminum stearate 2.3%, lithium carbonate 0.1%.

[0050] Apply this skin-type waterproof coating to the waterproof construction project of the roof of the underground parking lot. The construction steps are as follows:

[0051] (1) Clean the base surface: remove sundries and dust to expose the concrete base surface of waterproof construction;

[0052] (2) Defect repair: Repair the construction defects of leakage, honeycomb, and grouting generated by the concrete body during its construction, use YJ-303 concrete interface treatment agent to blend the skin-type waterproof coating to form a glue, and then repair the concrete body The defective parts are...

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Abstract

The invention discloses a skin-type waterproof coating comprising the following components in percentage by weight of total weight of the coating: 85-90% of sulphoaluminate early strength cement, 5-10% of FEA cement expanding agent, 1-2% of hydroxypropyl methyl cellulose, 2-3% of aluminium stearate and 0.08-0.15% of lithium carbonate. The invention also provides a construction method of the skin-type waterproof coating in the waterproofing engineering. The skin-type waterproof coating is applied to the waterproofing construction of a building body, can eradicate the phenomenon of 'two skins' between a waterproof layer and the building body, can effectively improve the quality of waterproofing engineering, shortens construction period, quickens construction progress and lowers waterproofing engineering cost.

Description

technical field [0001] The invention relates to an inorganic waterproof coating capable of wet operation, in particular to a skin type waterproof coating which can be closely combined with a concrete base surface. The invention also relates to a construction method of the skin-type waterproof coating in waterproof construction projects. Background technique [0002] Existing waterproof membranes mostly use rubber waterproof membranes, such as polymer EPDM, blended waterproof membranes and resin waterproof membranes, modified asphalt waterproof membranes, polyethylene polypropylene polymer waterproof membranes Waterproof membranes such as materials, and waterproof coatings mostly use polyurethane waterproof coatings. [0003] The above materials are all organic materials. Except polyethylene polypropylene polymer waterproof membrane, other waterproof materials cannot be used in wet operation, and there are strict requirements on the waterproof construction base: the construc...

Claims

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Application Information

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IPC IPC(8): C04B28/36E04B1/64E04B1/682E02D29/16
CPCC04B41/52C04B2111/27C04B2111/72C04B41/009
Inventor 郭春未
Owner 石家庄天冕防水科技有限公司
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