| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem that a conventional tunnel for crossing underground is not used by anyone even after it is installed, and further the tunnel for crossing cannot be used by a handicapped person using a wheelchair even when the person wants to use it since it is as deep as 3 meters, by making the tunnel for crossing composed of a three-centimeter thick iron plate at a position 50 centimeters deeper than the ground and making a road at a position 130 centimeters higher than the ground for a compromise between both sides. <P>SOLUTION: A road (1) is dug in to a depth of 50 centimeters, a sidewalk tunnel (2) is made to cross the road, and the road (1) is banked with banking (1b) to run over the sidewalk tunnel (2). <P>COPYRIGHT: (C)2012,JPO&INPIT |
