I have a question about the solution to problem 601. About 1/2 way down the page, when calculating the effective height of the wall, a k factor of 2.1 is used. I looked in the masonry code as well as my Amrhein book and both say to use 2 for a fixed/free condition. Any insight as to why NCEES is using 2.1 in this case?
Thanks,
Thanks,