Page 54 - Unistrut-Australia Catalog
P. 54

 ENGINEERING DATA [CONVERSION FACTORS]
DESIGN LOAD DATA - TYPICAL STRUT CONNECTION
Load tables in this catalogue for 41mm Strut width series are for single span beams supported at the ends. These can be used in the majority of cases. There are times when it is necessary to know what happens with other loading and support conditions. Some common arrangements are shown in Table 1. Simply multiply the loads from the Beam Load Tables by the load factors given in Table 1. Similarly, multiply the deflections from the Beam Load Tables by the deflection factor given in Table 1.
TABLE 1
Load and Support Condition
Span
Load
Factor Factor
1.00 1.00 0.50 0.80 1.00 1.10 1.50 0.30 1.00 0.40 0.25 2.40 0.12 3.20 1.30 0.92
1.00 0.42 0.62 0.71 0.67 0.48
1 2 3 4 5 6 7 8
9 10 11
Simple Beam - Uniform Load
Simple Beam Concentrated Load at Centre
Simple Beam -Two Equal Concentrated Loads at 1/4 Points Beam Fixed at Both Ends - Uniform Load
Beam Fixed at Both Ends - Concentrated Load at Centre Cantilever Beam - Uniform Load
Cantilever Beam - Concentrated Load at End Continuous Beam - Two Equal Spans -
Uniform Load on One Span
Continuous Beam - Two Equal Spans - Uniform Load on Both Ends
Continuous Beam - Two Equal Spans - Concentrated Load at Centre of One Span
Continuous Beam - Two Equal Spans - Concentrated Load at Centre of Both Spans
Span
Span
Span
SpanSpan
SpaSnpan
Span Span
Span Span
Span
Span
Span
Span
Span
Deflection
Span Span
Span Span
ENGINEERING DATA STRUT SYSTEMS
52
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UNISTRUT® COLUMN LOADING
The strength of axially loaded columns or compression members is, in part, dependent on the end conditions, that is, the degree of end fixity or restraint. A column with both ends fixed will support more load than one with both ends free or pin-ended.
Column loads published for UNISTRUT® sections in this catalogue are offered as a guide and assume a partially fixed end condition as usually found in flat ended columns that are laterally tied and braced, i.e. K = 1.0.
Assumed K values (effective length factors) for columns with varying end restraints are as follows:
END CONDITION CODE
Rotation fixed and translation fixed Rotation free and translation fixed Rotation fixed and translation free
Span
Span
Column
CHoeliugmhtn Column
CoHluemignht Column
ColuHmenight HeCigohlutmn
Height Height
K Value
0.65
0.80
11.0.0 1.21.2 1.0 1.2
Height
K Value
0.65
0.80
1.0 1.2
K Value K Value
0.65 0.65
0.80 0.80
1.0 1.2 1.0 1.2
K Value K VKaVluaelue
0.65 0.06.565
0.80 0.80
1.0 1.2






























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