爆炸-强夯联合加密饱和砂基的工程实践

A Project Report of Blasting-Ramming Combined Densification of Saturated Sand

爆炸加密饱和砂是近年来码头建设中采用的一种新方法，加密深层饱和砂效果尤为明显；强夯法是传统的加密松散介质方法，但其有效影响深度一般不超过6m。通过试验，将两种方法结合起来用于加密陆域推填的饱和砂层取得了很好的效果。本文结合南方某电厂陆域推填饱和砂的加密工程，介绍了这一新工艺的施工方法及检测结果，说明该工艺用于饱和破的加密是完全可行的。

Blasting densification of saturated sand is a new technique used in port construction recently, and its effectiveness for thick sand is rather distinct. Ramming is a traditional technique for densificating loose material, butits effective depth is less than 6m. By experiments, combined two technique for densification saturated fill-in sandshows a very good result. This paper, hased on a densification project, introduced the new technique as well ascheck results. The results shows that the new technique used in densificating saturated sand is feasible.