基坑支护咬合桩长螺旋钻与筒式钻斗旋挖钻综合施工技术  

Construction Technology Combined with Long Auger and Bucket Rotary Drill for Secant Pile in Foundation Excavation Support

作　　者：申小平 雷斌 李树青 黄凯 SHEN Xiaoping;LEI Bin;LI Shuqing;HUANG Kai(Shenzhen Gongkan Geotechnical Group Co.,Ltd.,Shenzhen,Guangdong 518063,China)

机构地区：[1]深圳市工勘岩土集团有限公司,广东深圳518063

出　　处：《施工技术》2020年第19期19-22,共4页Construction Technology

摘　　要：结合深圳市某基坑工程实例,针对咬合桩施工过程中存在的相关问题,提出了"基坑支护咬合桩长螺旋钻素桩、筒式钻斗旋挖钻荤桩"施工技术。实践表明,本项技术在工程应用中取得了显著成效,具有成孔效率高、成桩质量好、安全可靠、综合成本低等优点。Based on a foundation excavation engineering practice in Shenzhen,aiming at the related problems existing in the construction process of secant pile,the construction technology of "long auger plain pile for foundation excavation support and barrel drill bucket rotary drill reforced pile"is proposed.Practice shows that this technology has achieved remarkable results in engineering application,and has achieved the advantages of high hole forming efficiency,good pile forming quality,safety and reliability,low comprehensive cost,etc.

关 键 词：基坑 支护 咬合桩 长螺旋钻机 旋挖钻机 施工技术 

分 类 号：TU753[建筑科学—建筑技术科学]