Invention Grant
US07707752B2 Trench wall in the ground and method for the production thereof 失效
地面沟槽墙壁及其生产方法

Trench wall in the ground and method for the production thereof
Abstract:
The invention relates to a method for producing a trench wall in the ground and which is penetrated by an obstacle, lateral trench wall recesses being sunk on either side of the obstacle and below the obstacle is produced a lower trench wall recess by laterally pivoting in a soil-removing trench wall apparatus from at least one of the two trench wall recesses. The invention also relates to a trench wall.
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