CONSTRUCTION METHOD FOR SNOW CHARGING PORT FOR EXISTING SNOW DISCHARGING DITCH

摘要

PROBLEM TO BE SOLVED: To provide a constriction method for a snow charging port for an existing snow discharging ditch which is newly arranged in the snow discharging ditch, can shorten a working time without the selection of an arrangement place, and can reduce cost required for various kinds of operations and waste treatment.;SOLUTION: The underground snow discharging ditch 1 is exposed by excavating the ground G on a site where the snow charging port is arranged, an opening 12 is opened on the top surface of the snow discharging ditch 1, a reinforcing member 21 is placed and fixed on the opening 12, a spacer 22 with an optimum thickness or an optimum number of spacers 22 is or are placed and fixed in accordance with a depth from the surface of the ground G to the reinforcing member 21, a snow charging port body 23 is placed and fixed on the top surface of the spacer 22, an opening/closing lid 24 is fitted into the fitting recess S1' of the snow charging port body 23, and finally, the ground G is backfilled so that the snow charging port 2 can be constructed in the existing snow discharging ditch 1.;COPYRIGHT: (C)2008,JPO&INPIT