shi - waterproof shi of rudo construction method tunnel - to and shi - cover and shi of segment of rudo construction method tunnel - waterproof shi of rudo construction method tunnel - to installation device

摘要

PURPOSE:To block a bolt box without filling a filling material into the bolt box of a segment after a tunnel is formed, stick a waterproof sheet to the inside of the tunnel without special machining to the segment and without boring holes on the waterproof sheet, and quickly stick the waterproof sheet without generating a slack after it is stuck. CONSTITUTION:An arrow-like hooking member 12 is integrally erected on one face of a waterproof sheet 1 to constitute a waterproof sheet 1, and the fitting cover C of a segment S is formed into a shape coupled with a bolt box B provided on the segment S. The cover plate C provided with a waterproof sheet fitting through hole CA at a proper position is fixed on the bolt box B provided on the segment S of a shield driving method tunnel, the hooking member 12 is hooked on the through hole CA to fit the waterproof sheet 1 erected with the hooking member 12 hooked on the through hole CA of the cover plate C to the fitting device of the waterproof sheet 1.