土洞及岩溶裂隙破碎带地区地基处理实例

位于黄石的某项目,因在施工前发现场地内局部存在土洞及岩溶裂隙带、周边存在软-可塑粉质黏土,经多方论证,采用冲击钻孔灌注桩和高压喷射注浆法联合作用进行处理,在原有设计变更较小的前提下又确保了经济、安全。

A Foundation Treatment Case in the Region Where Existing Soil Holes and Karst Fissure Broken Belts

One project located in the city of Yellowstone,the original foundation design form of that was the cross beam strip footing under column.But the existing of soil hole,karst fissure zone,and the peripheral exist soft-plastic silty clay be found before starting build,after much argumentation,the impact bored piles and high-pressure jet grouting method combined were used in the foundation treatment,the original design changes a little under the premise of guaranteeing the economic,security.