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STAAD Commands and Input Instructions
Section 5
5-324
Correct usage
LOAD 1
UBC LOAD X 1.2
SELFWEIGHT Y -1
LOAD 2
UBC LOAD Z 1.2
SELFWEIGHT Y -1
PDELTA ANALYSIS
Generation of IS:1893 Seismic Load
The following general format should be used to generate the IS
1893 load in a particular direction.
General Format:
LOA
D i
⎧ X ⎫
1893
LOAD ⎨ Y ⎬ (f)
⎩
Z
⎭
where i = load case number
f = factor to be used to multiply the 1893 Load
(default = 1.0)
Use only horizontal directions.
See Sections
1.17.2 and
5.31.2.5