| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an epoxy strand in which PC-steel-wire strands used as an external cable for a bridge can be easily inspected. <P>SOLUTION: In the external cable 20 for the bridge, in which a plurality of PC-steel-twisted strands 10 coated with a first resin 12 and a second resin 13 are bundled, the second resin 13 of at least one strand out of the plurality of PC-steel-twisted strands 10 is transparent. Preferably, the first resin 12 is an epoxy resin and the second resin 13 is a polyethylene resin. <P>COPYRIGHT: (C)2010,JPO&INPIT |
