【摘要】 北京凯莱大酒店改扩建工程深基坑根据土层性质、周边环境及使用要求,选择护坡桩+预应力锚索+止水帷幕+降水的综合支护形式。采用长螺旋钻机成孔,解决了复杂地区条件下护坡桩成孔时的塌孔问题。更多还原

【Abstract】 The deep foundation pit of Beijing Gloria Plaza Hotel extension project uses a composite supporting and protection measure of slope protection pile, prestressed anchor cable, waterproof curtain wall and dewatering. Long spiral drill is used to successfully solve hole collapse during boring of slope protection pile under complex geological conditions.更多还原