The paper proposed compute formula of digging pile panelling vertical cross section, introduced construction method and analysed economic benefit.
提出了挖孔桩护壁竖向截面积的计算公式，介绍了施工方法，分析了经济效益。
2
Influential the factors of the load transmission characteristics are analyzed theoretically, and the load transmission theoretical formula with squeezed branch pile is inferred.
从理论上分析影响荷载传递性状的因素，并推导了挤扩支盘桩荷载传递的理论公式。
3
The formula can be used for pit supporting system design such as retaining pile, diaphragm wall and et al.