建筑工程常见质量问题防治手册.pptx

建筑工程常见质量问题防治手册

1目 录一、地基与基础工程.....................................................................................11.土方开挖..................................................................................................11.1开挖过程中塌方、滑坡..................................................................11.2基坑内泡水......................................................................................21.3地基橡皮土......................................................................................31.4坑底流砂..........................................................................................41.5坑底土回弹隆起..............................................................................51.6围护桩位移......................................................................................61.7围护缝隙漏水..................................................................................72.土方回填..................................................................................................82.1弹簧土..............................................................................................82.2回填土密实度不够..........................................................................93.支护结构................................................................................................103.1土层锚杆钻孔偏差........................................................................103.2锚杆孔内浆液不饱满....................................................................113.3锚杆长度不足................................................................................133.4支撑偏位........................................................................................133.5支撑构件开裂................................................................................144.预制桩....................................................................................................154.1桩身断裂........................................................................................154.2桩顶碎裂....................................................