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我单位承建的天津化工厂一车间设备基坑,钢筋混凝土底板刚浇筑完,上部壁板尚未施工时,设计要求适当平移基坑位置并加深。基坑钢筋混凝土底板长7.8米、宽2.8米、厚0.3米,重约18吨,底板深-4米。钢筋混凝土底板占压设计变更坑位,报废已浇钢筋混凝土底板浪费工料,爆破清理费工费时。为利用原钢筋混凝土底板,我单位确定采用浮移钢筋混凝土底板方案施
After the foundation pit of the first plant of the Tianjin Chemical Plant contracted by our company and the reinforced concrete floor have just been poured and the upper siding has not yet been constructed, the design requires proper translation of the foundation pit and deepening. The foundation pit reinforced concrete floor is 7.8 meters long, 2.8 meters wide, 0.3 meters thick, weighs about 18 tons, and the floor depth is -4 meters. The floor of the reinforced concrete floor is designed to change the design of the pit, and the used reinforced concrete floor is scrapped and wasted. The blasting cleaning time is time-consuming. In order to use the original reinforced concrete floor, our company has decided to use floating concrete floor plans.