<p>A steel material for use with concrete that is prestressed by posttensioning is disclosed. The steel member (1) is sheathed with a heat-shrinkable synthetic resin tube (2). Said embodiment is further applicable to the case of a stranded steel member.</p>
申请公布号
EP0298524(A2)
申请公布日期
1989.01.11
申请号
EP19880111961
申请日期
1984.12.14
申请人
SUMITOMO ELECTRIC INDUSTRIES LIMITED
发明人
WANATABE, KANJI&ITAMI WORKS,;MIZOE,MIKIO& ITAMI WORKS;INOO,EIJI &ITAMI WORKS