| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lining plate capable of securing high strength while suppressing an increase in weight so as to have a longer length. <P>SOLUTION: In a lining plate 1 in which a plurality of section bars 10 having upper flanges 11, lower flanges 12 and webs 13 are arranged in parallel and connected, reinforcing materials 20 are prestressed and spliced to the longitudinal centers of the lower flanges 12 and 12 of the section bars 10 and 10 disposed at both outsides so as to conduct steel plate prestressed reinforcement. <P>COPYRIGHT: (C)2012,JPO&INPIT |
