Hello,
I am somewhat new to using STAAD.Pro, and I have learned a lot about how to INPUT my information, but I need a little assistance interpreting the OUTPUT that I am receiving.
What is being analyzed:
- Reinforced concrete wall
- 6'-8" tall x 15'-0" wide
- 12" thick plates
- 10 plates running up/down @ 8" tall each
- 15 plate divisions running left/right @ 12" wide each
- Pins at every node on the left, bottom, and right
Basically, I just looking for a maximum shear load as a kip value to compare with a calculated allowable shear value: 2 SQRT(f'c) b d
I see there is SQX and SQY for out-of-plane shear, but I don't understand why these are force per unit area values. Table 1.3 in the Technical Reference Manual V8i says:
"Shear stresses (Force/ unit length/thickness)"
Does this mean that if I get a SQX value of 24.801 k/ft^2 on a plate that is 12" wide (local x) and 8" tall (local y), that my maximum shear can be calculated as:
(24.801 ksf) (1 ft wide) (1ft thick) = 24.801 kips
And a SQY value of 19.2907 k/ft^2 on the same plate, now with 8" local length, that the maximum shear can be calculated as:
(19.2907 ksf) (8"/12 wide) (1ft thick) = 12.86 kips (roughly)
Any insight would be greatly appreciated!