2013年7月上 施工技术 第42卷第13期 CONSTRUCTION TECHNOLOGY 27 D0I:10.7672/sgjs2013130027 旋挖钻机方形桩施工技术 陈以田，呼锋2，李晓亮2，罗菊2，赵克勋3 (1.中国矿业大学机电学院，江苏徐州221116；2.徐州徐工基础工程机械有限公司，江苏徐州221004； 3.河南平普科技有限公司，河南郑州450000) [摘要]结合南水北调中线一期工程南阳段方形挡土柱工程实际，提出了一种旋挖钻机方形钻头设计方案及施工 技术.该旋挖钻机方形钻头在应用中具有稳定可靠、效率高、成桩质量好等优点，同时扩展了旋挖钻机的施工工 艺，为越来越多的特殊桩基础工程施工提供了一种思路. [关键词]地下工程；桩；旋挖钻机；方形桩；南水北调 [中图分类号]TU753.3 [文献标识码]A [文章编号】1002-8498(2013)13-0027-03 Construction Technology of Rectangular Piles by Rotary Drilling Rig Chen Yitian Hu Feng2 Li Xiaoliang，Luo Ju2 Zhao Kexun3 (1.School of Mechatronic Engineering China University of Mining and Technology Xuzhou Jiangsu 221116 China; 2.Xuzhou Xugong Foundation Engineering Machine Co.Ltd.Xuzhou Jiangsu 221004 China; 3.He'nan Pingpu Science and Technology Co.Ltd. Zhengzhou He'nan 450000 China) Abstract:Combined with rectangular piles engineering of the first-stage project in mid-route of south-to- north water diversion in Nanyang this paper proposed a design of rectangular drilling tool of rotary drilling rig and construction technology.The rectangular drilling tool is used with good reliability high efficiency and good quality which creates appreciable benefit.At the same time it extends the construction technology of rotary drilling rig and provides a thought for special project of pile foundation in the future. Key words:underground;piles;rotary drilling rig;rectangular piles;south-to-north water diversion 旋挖钻孔桩采用膨润土泥浆护壁，旋挖钻斗取圆形，主要用于圆柱桩孔的施工.当旋挖钻机用户 土，是广泛应用的桩基施工方法.旋挖成孔具有振遇到方形桩工程时，现有的旋挖钻机钻头...
旋挖钻机方形桩施工技术.pdf
