SUPPORT RIB OF AN EXCAVATION AND METHOD FOR PRODUCING A SUPPORT STRUCTURE INSIDE AN EXCAVATION

摘要

A rib (10) for supporting an excavation comprises at least one structural element (12) and at least one connection assembly (14) for the structural element of the rib with respect to a structural element of an adjacent rib (10' '), wherein the connection assembly (14) comprises a male engagement element (30) and a female engagement element (32); the male engagement element comprises a head (26) and a neck (24) and the female engagement element comprises a retention element (40), the head (26) being capable of being inserted in the female engagement member (32' ') of the connection assembly (14' ') of the adjacent rib (10' ') in such a manner that the retention element (40' ') of the female engagement element (32' ') of the adjacent rib (10' ') retains the neck (24).