外墻膩?zhàn)臃酆突鶎咏缑?之間的關(guān)系外墻膩?zhàn)臃鄣男阅芎唾|(zhì)量,從根本上取決于膩?zhàn)舆x擇各種材料的質(zhì)量和性能,如果性能是穩(wěn)定的,使用的原材料質(zhì)量好,也不會(huì)有太大的問題在生產(chǎn)中,無論是人工混合,或機(jī)械混合,只要其混合均勻,就能保證外墻膩?zhàn)臃郛a(chǎn)品的質(zhì)量。在項(xiàng)目質(zhì)量保證方面,要注意基層與界面的關(guān)系。
The relationship between the performance and quality of putty powder for exterior wall and the interface of base layer depends fundamentally on the quality and performance of various materials selected by putty. If the performance is stable and the quality of raw materials used is good, there will not be too many problems in production. Whether it is manual or mechanical mixing, as long as the mixing is uniform, the quality of putty powder for exterior wall can be guaranteed. In terms of project quality assurance, attention should be paid to the relationship between grass-roots level and interface.
The treatment of grass-roots and grass-roots interface includes the following contents:
1. 穩(wěn)定的基礎(chǔ)。在基地的建設(shè)進(jìn)行仔細(xì)的檢查和確認(rèn),外墻膩?zhàn)臃鄣膬r(jià)格,檢查基礎(chǔ)的平面度、強(qiáng)度、基地吸水率,基本沒有粉,寬松,堿的現(xiàn)象,沒有明顯的裂紋,裂紋(水墻方法檢查),基礎(chǔ)是否穩(wěn)定。如果基礎(chǔ)不能達(dá)到外墻膩?zhàn)臃鄣氖┕ひ?,?yīng)先做相應(yīng)的技術(shù)處理,如果基礎(chǔ)滿足外墻膩?zhàn)臃鄣氖┕ひ?,則可以進(jìn)行外墻膩?zhàn)臃鄣氖┕ぁ?/div>
1. The foundation of stability. Careful inspection and confirmation are carried out in the construction of the base. The price of putty powder for exterior wall, the flatness, strength and water absorption of the base are checked. There are basically no powder, loose and alkali phenomena, no obvious cracks, cracks (water wall method inspection) and whether the foundation is stable. If the foundation can not meet the construction requirements of putty powder for external wall, the corresponding technical treatment should be done first. If the foundation meets the construction requirements of putty powder for external wall, the construction of putty powder for external wall can be carried out.
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2. 基礎(chǔ)的強(qiáng)度必須大于外墻膩?zhàn)臃鄣膹?qiáng)度。根據(jù)粘接材料的理論和實(shí)踐,如果墻體基層的強(qiáng)度小于外墻膩?zhàn)臃?,外墻膩?zhàn)臃廴菀壮霈F(xiàn)“拔根”、空鼓、脫落等現(xiàn)象。如果基礎(chǔ)強(qiáng)度大于外墻膩?zhàn)臃鄣膹?qiáng)度,這些問題就不會(huì)發(fā)生。
2. The strength of foundation must be greater than that of putty powder for exterior wall. According to the theory and practice of bonding materials, if the strength of the wall base is less than that of the putty powder, the putty powder of the external wall is prone to "pull out", "empty drum" and "fall off". If the strength of foundation is greater than that of putty powder, these problems will not occur.
3.嚴(yán)格處理界面。清除浮灰,外墻先為良好的膩?zhàn)臃?、油?包括脫模劑),填補(bǔ)吹基層的裂縫,挑出凹凸不平的地方,如基層有明顯不平之處,先用抗裂砂漿作平整。如基礎(chǔ)尤為干燥,吸水性強(qiáng),環(huán)境氣候非常干燥,會(huì)影響外墻膩?zhàn)臃鄯酆突鶎拥母街土α?因此,建議在施工之前,水濕墻基層,然后建設(shè)外墻膩?zhàn)臃?如果條件允許,建設(shè)2 - 3天后,可以濕養(yǎng)護(hù)1 - 2次,抗裂效果和強(qiáng)度會(huì)更好。
3. Strictly handle the interface. To remove floating ash, the outer wall should be made of good putty powder and grease (including release agent), fill the cracks in the blowing base, pick out the uneven areas, such as obvious unevenness in the base, and use crack-resistant mortar as leveling first. If the foundation is particularly dry, water absorption is strong, and the environment is very dry, it will affect the adhesion and strength of the putty powder and the base of the external wall. Therefore, it is suggested that before construction, the base of the water-wet wall should be built, and then the putty powder of the external wall should be built. If conditions permit, after 2-3 days, the putty powder of the external wall can be wet cured 1-2 times, and the crack resistance effect and strength will be better.