旋挖工艺在嵌岩钻孔灌注桩中的应用  

APPLICATION OF ROTARY DRILLING TECHNOLOGY IN ROCK-SOCKETED BORED FILLING PILE

作　　者：张志华 曹薛平 

机构地区：[1]通州市基础工程有限公司,江苏通州226300

出　　处：《建筑技术开发》2010年第4期39-41,共3页Building Technology Development

摘　　要：在嵌岩钻孔灌注桩施工中,由于岩性差异等因素,有效入岩深度的控制一直是该类桩基施工的难题。结合具体工程实践,介绍旋挖钻孔工艺在嵌岩钻孔灌注桩施工中的应用及主要技术措施。In the construction of rock-socketed bored filling pile,due to differences in factors such as lithology,the control of the effective depth into the rock has been the difficult problems of such kind of piles. Based on the specific engineering practice, presents the application of rotary drilling technology in rock-socketed bored piles and the main technical measures.

关 键 词：旋挖工艺 嵌岩 钻孔灌注桩 

分 类 号：TU753.3[建筑科学—建筑技术科学]