To provide an implement for preventing the fall of a bridge, which has a buffering function by a simple constitution.
This implement 10 for preventing the fall of the bridge includes an elastic body 12 which is curved in an approximate U-shape in a lateral view. In the elastic body 12 having a circular cross section, the one-end and other-end sides of the U-shape serve as one end 14 and the other end 16, respectively. An intermediate portion 22 of prestressing steel 20 is embedded in the elastic body 12. The prestressing steel 20 can be made of a prestressing strand (prestressed cable) etc. The intermediate portion 22 of the prestressing steel 20 is formed like a coiled spring. In the prestressing steel 20, a first end 24 is exposed to the outside from one end 14 of the elastic body 12, and a second end 26 is exposed to the outside from the other end 16 of the elastic body 12. The prestressing steel 20 is composed of the prestressing steel 20 in which the first ends 24, the intermediate portion 22 and the second end 26 are continuously provided.
| JP2007146488A | 2007-06-14 | |||
| JP2002302887A | 2002-10-18 | |||
| JPS484602Y1 | 1973-02-05 | |||
| JPH0995908A | 1997-04-08 | |||
| JP2008174912A | 2008-07-31 | |||
| JPH1161740A | 1999-03-05 | |||
| JPS59197263A | 1984-11-08 | |||
| JP2007146488A | 2007-06-14 | |||
| JP2002302887A | 2002-10-18 | |||
| JPS484602Y1 | 1973-02-05 | |||
| JPH0995908A | 1997-04-08 |
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda