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采用钢模板现浇钢筋混凝土,构件表面比较光滑,棱角方正,有时还粘有隔离剂,使抹灰面层容易脱壳和开裂。这是施工中经常遇到的问题。几年来,我们经过试验,改为先批嵌腻子,然后涂刷内墙涂料的做法,保证了质量,取得了良好的效果。基层处理凿除凸块,用聚合物砂浆(1 07胶:水:水泥:砂子=1:2:5:6)补好残缺棱角。批嵌腻子按107胶:化学浆糊(1%溶液):老粉:石膏粉=18:18:44:20的配比批嵌第一遍腻子,
The use of steel form cast-in-place reinforced concrete, the surface of the component is relatively smooth, angular and square, sometimes with a release agent, so that the plastering surface layer is easy to shelling and cracking. This is a problem often encountered in construction. Over the past few years, we have experimented with changing the practice of putting in putty first and then painting interior wall paint to ensure quality and achieve good results. The base layer was treated to remove the bumps, and the corners were repaired with a polymer mortar (107 gel: water: cement: sand = 1:2:5:6). Batch insert putty according to 107 glue: chemical paste (1% solution): old powder: gypsum powder = 18:18:44:20 ratio batch inlay first putty,