Described are features and functions of Ingersoll-rand cluste down the hole hammers and programs of construction three diaphragm walls ofdifferent structures using them, with emphasis on he sheet pile diaphragm wall construction procedure.

• 介绍了英格素兰公司的集束式潜孔锤的特点及性能，用集束潜孔锤施工3种不同结构连续墙的程序，着重介绍了钢板连续墙施工工序。