压力灌浆微型钻孔桩施工技术  

Construction technology of wee pressure grouting and drilling stake

作　　者：张长福 

机构地区：[1]中铁十六局集团三公司

出　　处：《山西建筑》2007年第7期123-124,共2页Shanxi Architecture

摘　　要：分析了压力灌浆加固地基的机理,并对其机具、材料、钻孔、灌注等施工工艺的全过程进行了介绍,通过压力灌浆微型钻孔桩的施工及其相关的荷载试验,表明了微桩在松散地质结构中良好的应用效果,对特殊地段地基加固处理具有一定的推广意义。The mechanism of pressure grouting in foundation reinforcement is analyzed and introduced from construction equipments,materials,drilling,grouting and other aspects.According to the application of wee pressure grouting and drilling stake and basing on related load test the application effects of wee drilling stake in loose strata are introduced,which is worthy of being popularized in foundation reinforcement with special geological conditions.

关 键 词：微型钻孔桩 压力灌浆 施工工艺 荷载检验 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]