强夯法在残积土地基处理中的应用

Application of Ramming Method in Treatment of Residual Deposited Soil Base

海南某项目建设场地浅部是由多次火山喷发的玄武岩经风化作用后形成,浅层主要为玄武岩风化形成的残积土层,残积土遇水软化,残积土层中随机分布有大块孤石,粒径可达2 m以上;且下卧层强-中风化玄武岩顶面埋深变化较大。该场地采用强夯法进行处理,达到了很好的实际效果,供设计人员参考。

The shallow layer of the ground located in Hainan project was formed by weathered basalt, and it is soil deposited from the weathered basalt. Deposited soil was softened with rain water. There distributes with large isolated rocks, which has the size of more than 2 m. Moreover, the depth of lower layer of weathered basalt is quite different. This ground was treated with ramming method, and then, the good effect was reached. Thus, the method presented herein is good reference for engineers.