某框架结构住宅综合楼,建筑面积3216m~2,采用钢筋混凝土带梁筏式基础。基础混凝土浇灌连续施工长达48小时,工人连续作业,极度疲劳,而且时值春节前夕,工人急于回家过年,因而在整个浇捣过程中草率操作,最终酿成大范围蜂窝、孔洞的混凝土质量事故。一、事故状况(一)拆模后发现,筏基梁出现程度不同的蜂窝露筋和孔洞,最严重的孔洞面积为 A frame structure residential complex, with a building area of ​​3216m~2, is a reinforced concrete beam beam raft foundation. The continuous construction of basic concrete watering for up to 48 hours, continuous workers, extreme fatigue, and on the eve of the Spring Festival, the workers rush to go home for the New Year, and thus sloppy operation during the entire pouring process, eventually resulting in a large range of honeycomb, concrete quality of holes ACCIDENT. I. Accident conditions (1) After demolishing the mold, it was found that the basal beams appeared different degrees of cellular dew and holes, and the most serious hole area was