不稳定场地上桩基的施工与试验

Cast-in-Place Concrete Pile test on a Deep Fill Site Created by Blasting Rock

通过近1000根桩基的施工,分析工程的土质特点、存在矛盾,对需堆载预压(尤其是较大厚度)的回填爆破石渣场地上,灌注桩桩型及冲孔钻孔成孔工艺的可行性进行分析。对目前电力工程选址及对类似土质的处理及施工经常遇见的现象提点经验,供借鉴。

The subject project features nearly 1,000 cast-in-place concrete piles installed on a preloaded deep fill site. This article analyzes the soil characteristics and problems encountered during pile installation on this site and evaluates the technical feasibility of cast-in-place concrete piles on similar sites in terms of pile type selection and pile installation techniques. This article also shares the experiences in site selection and construction ofpowerplantprojects and gives recommendations accordingly.