WATERPROOFING DEVICE FOR STRUCTURE ENTRANCE

摘要

PROBLEM TO BE SOLVED: To eliminate the need for the ensuring of a housing maintaining place in the normal case of a waterproofing plate by effectively utilizing the waterproofing plate as a gutter cover for a drain gutter in the normal case in a waterproofing device for a structure entrance using the waterproofing plate. SOLUTION: The waterproofing device for the structure entrance has a pair of left-right main supports M having single groove-shaped recessed sections Ma opened on the entrance I side of a structure BL and installed along the mutually opposed left-right both side wall surfaces W of the entrance I, auxiliary supports S having a pair of each opened groove-shaped recessed sections Sa mutually directed oppositely on a pair of the left-right main support M sides and detachably disposed in upright on a floor face F between both main supports M and a plurality of the waterproofing plates T in which both left-right end sections can be fitted and supported among the groove-shaped recessed sections Ma and Sa: Sa and Sa of the two adjacent supports. These waterproofing plates T are arranged mutually in a column along the longitudinal direction of the drain gutter 1 so as to function as the gutter covers for the drain gutter 1 in the periphery of the structure entrance I in the normal case and engaged and placed at both side edges of the opening section of the drain gutter 1 respectively and made flush one another with the floor face. COPYRIGHT: (C)2004,JPO