This is cellular beam (蜂窝梁)which is very popular in Europeean countries because they do not need consider earthquake resistance.
But in earthquake regions like China, it is not recommended.作者:
kswu 时间: 2004-11-6 10:44 标题: 回复: hollow section connection examples
Design of composite and non-composite cellular beams -Presents design methods for simply supported steel and composite cellular beams (with circular openings) as used in buildings. The design methods, consistent with BS 5950: Part 1 and 3.1, are illustrated by a worked example 作者:
pingp2000 时间: 2004-11-11 14:25 标题: 回复: hollow section connection examples