Floating shaft lining safety device, has tube segments inserted into shaft, and outlet connection provided at base of pipe installation, where connection includes flat contact for filling of annular space

摘要

The device has tube segments, which are inserted into a shaft and are attached at geosynthetics. The geosynthetics are secured as reticule or as strands at the ground surface level by mineral materials. An outlet connection is provided at a base of a pipe installation and an integrated trench is filled with concrete. The connection has a flat contact for filling of an annular space.