强力夯扩挤密灰土桩处理湿陷性黄土地基
Jiangsu Construction(2011)
Abstract
湿陷性黄土地基含水量大、饱和度高,因而成孔后极易缩颈。利用长螺旋钻机成孔,采用适当填夯,按照先外排后里排的顺序、隔行隔点施工、分四遍完成的强力夯扩挤密灰土桩技术,通过事实案例检测,处理后的地基各项相关指标均佳,从而为提高湿陷性黄土地基的承载力提供了新途径。
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Key words
ground treatment,consolidating,collapsible loess
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