Stenbrook
Structural
- Dec 5, 2014
- 125
In ACI 318-11 Section 14.8.2.4, it gives a requirement that the nominal moment capacity of a concrete wall shall be greater than the cracking moment of that wall. My question is that if all of my factored loads (Pu, Mu, Vu) are all lower than the allowable nominal values (Pn, Mn, Vn) and my combined axial and flexural calculations are sufficient, and the only thing that doesn't check out in my calculations is the Mc<Mn, is it unreasonable to say that the panel is sufficient? I'm trying to understand the theory behind the Mc<Mn equation and why it requires me to put more reinforcement into my panel when I am at a Mu/Mn ratio of less than 0.15 for all cases. Worst case scenario is that my nominal moment is 15% larger than my cracking moment. Can someone explain to me the importance of this check??
Thanks in advance!
Thanks in advance!