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Section 5
5-77
5.20.3 Tapered Member Specification
Purpose
The following commands are used to specify section properties for
tapered I-shapes.
General format:
argument-list = f
1
f
2
f
3
f
4
f
5
(f
6
f
7
)
where,
f
1
= Depth of section at start node.
f
2
= Thickness of web.
f
3
= Depth of section at end node.
f
4
= Width of top flange.
f
5
= Thickness of top flange.
See Section
1.7.4
f
6
= Width of bottom flange. Defaults to f
4
if left out.
f
7
= Thickness of bottom flange. Defaults to f
5
left out
Example
MEMBER PROPERTY
1 TO 5 TAPERED 13.98 0.285 13.98 6.745 .455 6.745 .455
Notes
1. All dimensions (f
1
, f
2
, .....f
7
) should be in current units.
2. f
1
(Depth of section at start node) should always be greater
than f
3
(Depth of section at end node). The user should provide
the member incidences accordingly.