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STAAD Commands and Input Instructions
Section 5
5-186
"h". Also, the code deals with distributing the forces only on
regions above the foundation. If there are lumped weights
below the foundation, it is not clear as to how one should
determine the lateral forces for those regions.
The following example shows the commands required to enable the
program to generate the lateral loads. Users may refer to the
LOAD GENERATION section of the Reference Manual for this
information.
LOAD 1 ( SEISMIC LOAD IN X DIRECTION )
UBC LOAD X 0.75
LOAD 2 ( SEISMIC LOAD IN Z DIRECTION )
UBC LOAD Z 0.75
Notes:
The UBC / IBC input can be provided in 2 or more lines using the
continuation mark (hyphen) as shown in the following example :
DEFINE UBC ACCIDENTAL LOAD
ZONE 3.000 -
I 1.00 RWX 1.100 -
RWZ 1.200 STYP 5.000 NA 1.40 NV 1.50 CT -
1.300 PX 2.100 PZ 2.200