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1. Two wood box beams (beams A and B) have the same outside dimensions (200mm x 360mm) and the same thickness (t-20mm) throughout, as shown in the figure on the next page. Both beams are formed by nailing, with each nail having an allowable shear load of 250N. The beams are designed for a shear force V=3.2kN. a) What is the maximum longitudinal spacing A for the nails in beam A?s=78.3mm. b) What is the maximum longitudinal spacing B for the nails in beam B?s=97.9mm. c) Which beam is more efficient in resisting the shear force? I= 20 mm A 200 mm 360 20 mm B 200 mm 360 mm

1. Two wood box beams (beams A and B) have the same outside dimensions (200mm x 360mm) and the same thickness (t-20mm) throughout, as shown in the figure on the next page. Both beams are formed by nailing, with each nail having an allowable shear load of 250N. The beams are designed for a shear force V=3.2kN. a) What is the maximum longitudinal spacing A for the nails in beam A?s=78.3mm. b) What is the maximum longitudinal spacing B for the nails in beam B?s=97.9mm. c) Which beam is more efficient in resisting the shear force? I= 20 mm A 200 mm 360 20 mm B 200 mm 360 mm

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. Two wood box beams (beams A and B) have the same outside dimensions (200mm x 360mm) and the same thickness (t=20mm) throughout, as shown in the figure on the next page. Both beams are formed by nailing, with each nail having an allowable shear load of 250N. The beams are designed for a shear force V=3.2kN. a) What is the maximum longitudinal spacing A for the nails in beam A?s=78.3mm. b) What is the maximum longitudinal spacing B for the nails in beam B?s=97.9mm. c) Which beam is more efficient in resisting the shear force? 20 mm A 200 mm 360 1= 20 mm 200 mm 360 mm
Transcribed Image Text:1. Two wood box beams (beams A and B) have the same outside dimensions (200mm x 360mm) and the same thickness (t=20mm) throughout, as shown in the figure on the next page. Both beams are formed by nailing, with each nail having an allowable shear load of 250N. The beams are designed for a shear force V=3.2kN. a) What is the maximum longitudinal spacing A for the nails in beam A?s=78.3mm. b) What is the maximum longitudinal spacing B for the nails in beam B?s=97.9mm. c) Which beam is more efficient in resisting the shear force? 20 mm A 200 mm 360 1= 20 mm 200 mm 360 mm
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