Tank Shell Dead Load

[FiniteElemet]

Ok this is simple one. Tank is 75 ft Dian. With 50 ft height. Shell dead load of outer wall is 610 lb/ft. How will I model the load on the slab in RISA given that I have 12 equally spaced anchors connecting the base of the tank to the slab?


Thanks,

 

[JStephen]

Typically, maximum anchor spacing is 10' or so, which would give more than 12 anchors on that size tank.

I would assume that the anchor bolts were unloaded until wind or seismic uplift exceeded the dead weight, so the tank shell load would just be a line load at that radius. The anchor forces are usually calculated assuming an My/I distribution for the bolt pattern.