The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of__________________?

– by
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of__________________?

A. 0.367 xu
B. 0.416 xu
C. 0.446 xu
D. 0.573 xu
where xu is the depth of neutral axis at the limit state of collapse