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STAAD Commands and Input Instructions
Section 5
5-264
5.32.4 Area Load/Oneway Load/Floor Load
Specification
Purpose
These commands may be used to specify AREA LOADs,
ONEWAY LOADs or FLOOR LOADs on a structure based on
members only. They are used mostly when the entity transmitting
the load, such as a slab, is not part of the structural model. The
AREA LOAD or ONEWAY LOAD may be used for modeling one-
way distribution and the FLOOR LOAD may be used for modeling
two-way distribution.
General format for AREA LOAD:
ARE
A LOAD
⎧ GX ⎫
member-list ALO
AD f
1
( ⎨ GY ⎬)
⎩
GZ
⎭
f
1
= The value of the area load (units of weight over square length
unit). If Global direction is omitted, then this load acts along
the positive local y-axis [for the members of a floor analysis,
the local y direction will coincide with global vertical axis in
most cases]. If Global direction is included, then the load
acts in that direction. The magnitude of the loads calculated is
the same as if the positive local y axis option was selected.
(For detailed description, refer to Section 1.)
See Section
1.16.3
Example
AREA LOAD
2 4 TO 8 ALOAD -.250
12 16 ALOAD -.500