Outside waterproof construction method null of underground

摘要

PURPOSE: To improve the workability and waterproofing performance. ;CONSTITUTION: Each of cutoff butyl rubber pieces 3 is stuck to each surface flange of respective main piles of an earth retaining wall 1, and each of butyl rubber waterproof sheets 4 with width in accord with each pitch of these earth retaining main piles 2 is stuck a spot in space among these cutoff butyl rubber pieces 3 of the adjacent earth retianing main piles. Then a hollow waterproofing string rubber strip piece 6 is attached thereto so as to surround it along the circumference of each sheet 4 and, frame concrete 8 is placed, a fluid is pressurized and poured into the waterproofing string rubber projection piece.;COPYRIGHT: (C)1993,JPO&Japio