TU473.14
砂质地层和粘土层是钻孔灌注桩施工难度较大的地层,通过杭州海达大厦桩基工程实例,介绍砂质地层的扩孔保径和粘土层的特殊成孔工艺,解决了砂质地层缩径和粘土层钻进清渣难的问题。
苏新法.杭州海达大厦砂质地层和粘土层钻孔灌注桩施工工艺[J].钻探工程,2006,33(7):18-19.SU Xin-fa. Construction Technology of Bored Grouting Pile Applied in Sand and Clay Formation in Haida Building in Hangzhou[J]. Drilling Engineering, 2006,33(7):18-19.