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某施工队承建的二层商品楼,建筑面积为2100平方米,主体工程均达优良。但室内装修工程因工人违反操作规程,造成顶棚罩面严重脱落,经济损失越万元。该商品楼楼面、屋面为预应力圆孔板,顶棚采用1:1:6水泥石灰混合砂浆打底、玻璃丝灰罩面。工程竣工以后,表灰出现严重脱落,面积达60%。经检查分析,造成质量事故的因素如下。1.底灰过干。《建筑施工操作规
The two-storey commodity building under construction by a construction team has a building area of 2,100 square meters and the main works are excellent. However, due to worker’s violation of operating procedures, the interior decoration project caused a serious fall off of the roof, and the economic loss was 10,000 yuan. The product floor and the roof are pre-stressed circular holes, and the ceiling is made of 1:1:6 cement-lime mortar and glass ash. After the completion of the project, the surface ash was severely shed and the area was 60%. After inspection and analysis, the factors causing quality accidents are as follows. 1. The bottom ash is too dry. "Building construction operation regulations