钻孔灌注桩施工技术及常见质量问题防治措施

On construction technique of bored piles and prevention measures for common quality problems

从桩位放线、制浆、埋设护筒、钻孔等方面,阐述了钻孔灌注桩施工技术要点,并针对钻孔灌注桩施工中常见的质量问题,提出了防治措施,指出钻孔灌注桩具有适用范围广、操作方便、污染少、振动小等优势。

From the pile position setting, pulp making, burial of pile casting, and drilling, the paper illustrates the points for the bored pile con- struction technique,points out the prevention measures according to some eommon quality problems in the bored pile eonstruction,and indicates the pile is featured with extensive scopes, convenient operation, few pollution, and little vibration.