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广州东方宾馆东座的八楼房顶的一条钢筋混凝土大梁因荷重过大,产生了几条断裂缝,1979年10月我们对其中两条裂缝用丙烯酸环氧酯灌浆材料进行了灌浆处理,共灌入丙烯酸环氧酯浆液2340克,修复了裂缝并加固了裂缝周围的钢筋混凝土。一、裂缝的情况大梁长1500厘米,宽30厘米,高100厘米,大梁下面为八楼大厅的天花板顶棚,大梁与天花板的距离只有20厘米,房顶与天花板之间布有通风管道和电线,大梁北面仅能
A reinforced concrete girder on the roof of the eighth floor of the East Tower of Guangzhou Oriental Hotel was broken due to heavy load. In October 1979, we grouted two of the cracks with acrylic epoxy grouting material. 2340 grams of epoxy acrylate slurry was incorporated to repair cracks and reinforce reinforced concrete around the cracks. First, the situation of the cracks beam length 1500 centimeters, width 30 centimeters, height 100 centimeters, below the girder is the ceiling ceiling of the eighth floor hall, the distance between the beam and the ceiling is only 20 centimeters, between the roof and the ceiling with ventilation ducts and wires, North of the beam can only