摘要
对在岩溶发育地区进行冲孔施工时的施工要领进行了总结,强调了在冲孔的开孔阶段及钻孔入岩时的施工要点,分析了冲击过程中冲程和泥浆的技术参数选择对成孔质量的影响,并给出了终桩判断的依据和几种溶洞处理的方法。
The main points of punching technology while passing through grottos are emphasized.How to choose the length of stroke and how the technical parameter of mud will effect the quality of the hole is also mentioned.It put foreword a guide rule to judge if the hole is complete.
出处
《山西建筑》
2007年第12期114-115,共2页
Shanxi Architecture
关键词
岩溶发育
冲孔灌注桩
冲孔
溶洞处理
施工经验
karsts developing area
punch-pore piles
hole forming
grottos treatment
construction experience
