SMW搅拌桩施工及质量控制

Construction of SMW mixing pile and its quality control

介绍了杭州地铁秋涛路站出入口围护结构SMW搅拌桩的施工工艺流程、施工方法及质量控制,对施工中的水灰比、钻进速度、注浆等参数控制进行了分析,指出SMW桩适用于粉土、粉砂地层施工,具有施工工期短、造价低、污染小等特点。

The article introduces the construction technological process, construction method and quality control of SMW mixing pile for the enclosure at the exit of Qiutaolu station in Hangzhou subway, analyzes the control of parameters as water cement ratio, drilling speed, and grouting in the construction, and points out that SMW pile is fit for silty soil and sand strata construction, and has the characteristics of short construction period, low cost and little pollution.