| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tunnel reinforcing structure which reduces overpressure applied from the ground on the tunnel top and a building thereon and soil pressure from the tunnel side face, to the concrete inner wall of the tunnel, suppresses the propagation of vibrations inside the tunnel to the outside, and provides an effect superior in water permeability and drainage. <P>SOLUTION: In the tunnel reinforcing structure that reinforces the tunnel 1 for a railway or a road, a layer 10 made of crushed rubber pieces 11 is disposed between the concrete inner wall 2 of the tunnel 1 and the ground 3. <P>COPYRIGHT: (C)2009,JPO&INPIT |
