BUILDING MODULE FOR PROPPING WALL TRENCHES

摘要

The invention relates to a construction module for supporting the walls of the trenches, comprising at least one horizontal support frame, transversely displaceable from steel profiles with guide heads, fixed on its struts, as well as from a plurality of pallets with a section approximately curved which reveals spaced apart stoppers on their inner side, and that on the supports of the support frame are provided locking devices whose locking member is displaceable inside and outside the area between two superimposed stops of a respective base bed.