The loaded timber truss shown in 2 is supported on a pin at B and a roller at E and are spaced at 1.2 m centres and support concentrated design loads at the node points as indicated. Verify the suitability of the members GD and CD of the truss. Data: Timber: European whitewood Grade SS Timber Service Class 2 Strength Class C30 Gusset plates: Finnish, birch-faced plywood glued/nailed to each side of single members. Bottom chord = 50 mm x 100 mm Diagonal member = 50 mm x 75 mm Assume that the variable load is medium-term. Assume the roof construction is continuous over at least two spans. Hint: Determine the member design compression/tension force using method of section. A 50 kN 12 kN B H 1.5 m 0 4 m 80 kN с -30 kN 40 kN 1 m B.C -20 kN 4 m Ꭰ E 1.5 m 2 m
The loaded timber truss shown in 2 is supported on a pin at B and a roller at E and are spaced at 1.2 m centres and support concentrated design loads at the node points as indicated. Verify the suitability of the members GD and CD of the truss. Data: Timber: European whitewood Grade SS Timber Service Class 2 Strength Class C30 Gusset plates: Finnish, birch-faced plywood glued/nailed to each side of single members. Bottom chord = 50 mm x 100 mm Diagonal member = 50 mm x 75 mm Assume that the variable load is medium-term. Assume the roof construction is continuous over at least two spans. Hint: Determine the member design compression/tension force using method of section. A 50 kN 12 kN B H 1.5 m 0 4 m 80 kN с -30 kN 40 kN 1 m B.C -20 kN 4 m Ꭰ E 1.5 m 2 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The loaded timber truss shown in
2 is supported on a pin at B and a roller at E and are
spaced at 1.2 m centres and support concentrated design loads at the node points as indicated. Verify
the suitability of the members GD and CD of the truss.
Data:
Timber: European whitewood Grade SS
Timber Service Class 2
Strength Class C30
Gusset plates: Finnish, birch-faced plywood glued/nailed to each side of single members.
Bottom chord = 50 mm x 100 mm
Diagonal member = 50 mm x 75 mm
Assume that the variable load is medium-term.
Assume the roof construction is continuous over at least two spans.
Hint: Determine the member design compression/tension force using method of section.
A
50 kN
12 kN
B
H
1.5 m
0
4 m
80 kN
с
-30 kN
40 kN
1 m
B.C
-20 kN
4 m
Ꭰ
E
1.5 m
2 m
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