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STAAD Commands and Input Instructions
Section 5
5-252
5.32.3.1 Element Load Specification - Plates
Purpose
This command may be used to specify various types of ELEMENT
LOADS for plates.
General format:
ELE
MENT LOAD ( PLATE )
⎧ ⎧GX ⎫ ⎫
⎪PRESSURE ⎨GY ⎬ p
1
(x
1
y
1
x
2
y
2
) ⎪
⎪
⎩
GZ
⎭
⎪
⎪ ⎪
element-list
⎨ ⎬
⎪ ⎧GX ⎫⎧X ⎫ f
1
f
2
⎪
⎪TRAP ⎨GY ⎬⎨
Y
⎬ f
1
f
2
⎪
⎩
⎩
GZ
⎭
⎩JT
⎭
f
1
f
2
f
3
f
4
⎭
Description
The PRESSURE option should be used when a UNIFORM pressure
needs to be specified. The uniform PRESSURE may be provided
on the entire element or a user specified portion of the element
(defined by x
1
, y
1
and x
2
, y
2
- see description below). If x
1
, y
1
and
x
2
, y
2
are not provided, the pressure is applied on the entire
element. If only x
1
, y
1
is provided, the load is assumed as a
concentrated load applied at the specified point.
The PRESSURE may be provided either in GLOBAL (GX, GY,
GZ) directions or in local Z direction (normal to the element). If
the GLOBAL direction is omitted, the applied loading is assumed
to be in the local Z direction. The loads are proportional to the
area, not the projected area.