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STAAD Commands and Input Instructions
Section 5
5-342
Without one of these analysis commands, no analysis will be
performed. These ANALYSIS commands can be repeated if
multiple analyses are needed at different phases.
A PDELTA ANALYSIS will correctly reflect the secondary effects
of a combination of load cases only if they are defined using the
REPEAT LOAD specification (Section 5.32.11). Secondary effects
will not be evaluated correctly for LOAD COMBINATIONS.
An Imperfection analysis will reflect the secondary effects only if
the camber and/or drift is specified in a DEFINE
IMPERFECTIONS specification (Section 5.26.6). For combination
of load cases, with imperfection, use the Repeat Load specification
rather than the Load Combination.
If the PRINT LOAD DATA command is specified, the program
will print an interpretation of all the load data.
PRINT STATICS CHECK will provide a summation of the applied
loads and support reactions as well as a summation of moments of
the loads and reactions taken around the origin.
PRINT STATICS LOAD prints everything that PRINT STATICS
CHECK does, plus it prints a summation of all internal and
external forces at each joint (generates voluminous output).
Use the PRINT MODE SHAPES command separately after this
command if mode shapes are desired.
PRINT BOTH is equivalent to PRINT LOAD DATA plus PRINT
STATICS CHECK.
PRINT ALL is equivalent to PRINT LOAD DATA plus PRINT
STATICS LOAD.
In addition to the above Print parameters, there are additional
parameters that may be specified for Cable Analysis: