Material development for high-performance bridge steels

被引：0
|
作者：
Chilton, JM
Manganello, SJ
机构：
来源：
BUILDING AN INTERNATIONAL COMMUNITY OF STRUCTURAL ENGINEERS, VOLS 1 AND 2 | 1996年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A program sponsored by the Federal Highway Administration (FHWA) is underway to develop high-performance (more weldable, high-strength, high-toughness) steels for the bridges of tomorrow. It is intended that these new high-performance steels be used in current-design bridges as well as in new bridge designs being developed as part of a parallel program sponsored by FHWA. A three-year steel development program to tailor candidate high-performance steels to bridge requirements is being implemented by the American Iron & Steel Institute (AISI). As part of an initial six-month laboratory screening study, U. S. Steel and Bethlehem Steel produced and evaluated plates of several experimental weathering steels (i.e. steels with good atmospheric corrosion resistance) that were processed by different rolling and heat-treatment practices. A hot-rolled and quenched-and-tempered 0.08%C A852 steel exhibited a very good combination of strength and toughness and appears to be an excellent candidate for a mom weldable 480 MPa bridge steel.
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页码：100 / 107
页数：8
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