INSTALLATION METHOD FOR LOCK BOLT TO SOFT SEDIMENT SLOPE

摘要

PURPOSE: To stabilize a soft sediment slope by simply installing short lock bolts. ;CONSTITUTION: A cap 4 made of an elasto-plastic material is fastened on the tip section of a lock bolt main body 1 penetrating the filling hole 2 of grout 11 to constitute a lock bolt. The lock bolt is inserted into a hole 10 bored on the ground, the grout material 11 is filled, the cap 4 is inflated to expand the ground, and a large grout lump is formed at the tip section of the lock bolt main body 1. The grout material 11 is filled between the lock bolt main body 1 and the insertion hole 10 as required.;COPYRIGHT: (C)1993,JPO&Japio