|
超级版主
注册日期: 04-03
帖子: 18592
精华: 36
现金: 249466 标准币
资产: 1080358888 标准币
|
calculation c.g. for composite section
calculation c.g. for composite section
using limit state design (or other) how doe you arrive the quadratic equation to determine the exact location og the n.a. (ie center of gravity) for a typical 100mm (4") concrete overlying on a c10x3½x0.105 (12ga) purlin?
bc(x2)/2 = n as (tc + ds - x)
__________________
借用达朗贝尔的名言：前进吧，你会得到信心!
[url="http://www.dimcax.com"]几何尺寸与公差标准[/url]
|