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STAAD Commands and Input Instructions
Section 5
5-146
5.27.1 Global Support Specification
Purpose
This set of commands may be used to specify the SUPPORT
conditions for supports parallel to the global axes.
For SURFACE elements, if nodes located along a straight line are
all supported identically, as in the case of the base of a wall,
support generation can be performed for assigning restraints to
those nodes. See the “GENERATE” option in the command syntax
below. The user needs to provide only the starting and ending
nodes of the range, and the type of restraint.
General format:
SUPPORTS
⎭
⎬
⎫
⎩
⎨
⎧
ERATE GEN nj TO ni
list-joint
⎪
⎪
⎭
⎪
⎪
⎬
⎫
⎪
⎪
⎩
⎪
⎪
⎨
⎧
−
−−
spec)release BUT( ORCEDENF
spec.][spring specrelease BUT( ED FIX
NED PIN
=
− specrelease
⎪
⎪
⎪
⎪
⎭
⎪
⎪
⎪
⎪
⎬
⎫
⎪
⎪
⎪
⎪
⎩
⎪
⎪
⎪
⎪
⎨
⎧
MZ
MY
MX
FZ
FY
FX
spring-spec = *
⎪
⎪
⎪
⎪
⎭
⎪
⎪
⎪
⎪
⎬
⎫
⎪
⎪
⎪
⎪
⎩
⎪
⎪
⎪
⎪
⎨
⎧
6
5
4
3
2
1
f KMZ
f KMY
f KMX
f KFZ
f KFY
f KFX