天津软土地区宽大基坑围护结构型式选择研究

摘要

Combining features of foundation ditch project of Tianjin Railway Construction Building, the author introduced structure patterns of wide foundation ditch containment which were suitable for Tianjin soft soil area, and compared features of containment methods of interlocking bored concrete pile and common bored concrete pile with water proof curtain containment.%结合天津铁建大厦基坑工程的特点，介绍了适用于天津软土地区的几种基坑围护结构型式，并对钻孔咬合灌注桩与普通钻孔灌注桩＋止水帷幕两种围护型式各自特点进行了详细的对比分析。