A kind of exterior wall decoration structure and its construction method
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A technology of exterior wall decoration and construction method, which is applied in the field of architectural decoration, can solve problems such as the removal of insulation boards, cracking of board seams, etc., and achieve the effects of improving stability, enhancing thermal insulation performance and crack resistance, and improving workability
Active Publication Date: 2021-02-19
北京世纪金鳄建筑装饰有限公司
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Problems solved by technology
When the wall, especially the thermal insulation wall of a high-rise building, is under pressure or tension, the release point of these forces is at the board seam, which may easily cause cracks in the board seam, and at the same time, negative wind pressure may even lift the insulation board Lose
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preparation example 1
[0047] A preparation method of anti-crack mortar, comprising the following steps:
[0048] Mix 85kg of Portland cement, 100kg of sand, 15kg of diatomaceous earth, 12kg of sodium bentonite, and 5kg of hydroxypropyl methylcellulose and stir for 25 minutes, then add 15kg of urea, 8kg of silane coupling agent and 4kg of talc, and stir for 25 minutes. Then add 15kg of water and 25kg of vitrified microspheres, stir for 15 minutes, add 8kg of polypropylene fiber and 7kg of air-entraining agent, and stir for 35 minutes to obtain the product.
[0049] Wherein, the air-entraining agent is sodium rosinate.
preparation example 2
[0051] A preparation method of anti-crack mortar, comprising the following steps:
[0052] Mix 70kg of Portland cement, 80kg of sand, 10kg of diatomaceous earth, 10kg of sodium bentonite, and 3kg of hydroxypropyl methylcellulose and stir for 25 minutes, then add 10kg of urea, 6kg of silane coupling agent and 2kg of talc, and stir for 25 minutes. Then add 10kg of water and 20kg of vitrified microspheres, stir for 15 minutes, add 5kg of polypropylene fiber and 4kg of air-entraining agent, stir for 35 minutes, and you get it.
[0053] Wherein, the air-entraining agent is sodium rosinate.
preparation example 3
[0055] A preparation method of anti-crack mortar, comprising the following steps:
[0056] Mix 100kg of Portland cement, 120kg of sand, 20kg of diatomaceous earth, 15kg of sodium bentonite, and 6kg of hydroxypropyl methylcellulose for 25 minutes, then add 20kg of urea, 10kg of silane coupling agent and 6kg of talc, and stir for 25 minutes. Then add 20kg of water and 30kg of vitrified microspheres, stir for 15 minutes, add 10kg of polypropylene fiber and 10kg of air-entraining agent, stir for 35 minutes, and you get it.
[0057] Wherein, the air-entraining agent is sodium rosinate.
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Abstract
The invention relates to an exterior wall decoration structure and a construction method thereof. The exterior wall decoration structure includes a thermal insulation board, an anti-crack mortar insulation layer and a decorative board. The anti-crack mortar insulation layer is made by smoothing the anti-crack mortar. The cracking mortar is made from the following raw materials in parts by weight: Portland cement, sand, water, urea, polypropylene fiber, air-entraining agent, silane coupling agent, talcum powder, sodium bentonite, diatomaceous earth, vitrified microbeads, The construction method of hydroxypropyl methyl cellulose includes the following steps: S1, connect the insulation board with the base layer of the wall through the connector, and clean up the sundries on the insulation board; The cracked mortar is smoothed on the side of the insulation board away from the base layer of the wall, pressed into the alkali-resistant mesh cloth, smoothed with anti-cracking mortar, and smoothed to level the anti-cracking mortar insulation layer; S3. After the anti-cracking mortar insulation layer is dry, pass The connecting piece connects the decorative board with the anti-cracking mortar insulation layer. The invention has the advantages of good thermal insulation effect and good crack resistance.
Description
technical field [0001] The invention relates to the technical field of architectural decoration, in particular to an exterior wall decoration structure and a construction method thereof. Background technique [0002] With the acceleration of my country's urbanization process, the development of the construction industry is in its heyday, and the building energy consumption continues to increase accordingly. The building envelope is the boundary of the building. Its main function is to resist the wind, frost, rain, snow, solar radiation and other adverse external factors in nature, protect the skeleton, and regulate the indoor environment. When the wall, especially the thermal insulation wall of a high-rise building, is under pressure or tension, the release point of these forces is at the board seam, which may easily cause cracks in the board seam, and at the same time, negative wind pressure may even lift the insulation board Lose. Therefore, it is an urgent requirement i...
Claims
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