用于构造地下挡土墙的方法和装置

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【标题】用于构造地下挡土墙的方法和装置

【发明人】 Simmons  Robert J.  Kwak  Key S. 

【公开日期】1991-04-16

【分类号】E02D 556

【摘要】One or more rotating augers with drilling heads are aligned within a rectilinear casing with a rectilinear cutting head defining one of a plurality of adjacent vertical slots that may be excavated to within about one inch of an adjacent structure or property without encroaching. When a slot is completed it is filled with either a precast or poured-in-place wall element, a plurality of adjacent elements being joined at the edges to form a solid wall without need for forms and shoring or underpinning of the adjacent property or structure.

【申请号】4453735

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