Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Calculation C.G. for composite section

Thread starter cfloor
Start date Mar 7, 2005

Status: Not open for further replies.

Mar 7, 2005

cfloor

Structural

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)