Concrete wall section below ground water level - has cast-in oblong metal guides on both sides forming impermeable joint

摘要

The concrete wall section e.g. for cellars combines with one or more others to form a wall, having first and second sides installed in the vertical position, while an oblong metal guide is cast into it, protruding from one side and working with the adjacent section to prevent movement in the transverse direction. Both sides have oblong metal claw guides protruding from them and cast in, and together they form a joint impermeable to liquid, The free edges of the guides can be of complementary shape, fitting the edges of a steel bulkhead. The guides can be welded together.