I could not find this equation in API 650 Appendix E. I am referring to the 10th edition, year 1998. I could only find one equation for Ring wall moment. I calculated the ring wall moment using the equation, Mrw=Sq.rt.(Ai(WIXi * WsXs * WrXr)Power 2 + Ac (WcXc)power 2). Question is how do I...
I am in the process of designing a ring foundation to support a Asphalt storage tank which is 100' in dia and 35' length. The foundation is in a high seismic zone. I am figuring out the method to perform seismic analysis. Currently I am referring to API 650 amd ASCE 7 codes, but none of them...