[highlight #EF2929]thread507-418397
Dear Engineers, I am designing a retaining wall, I need to consider seismic load.
From FEMA 450, calculate the Kh factor. as Kh = Sds/2.5. My question is about ss value, it is given in % of g. for example for Jeddah city it is about 35 (not divided by 100 to...