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A square box beam is made of two 20X80-mm planks and two 20X120-mm planks nailed together as shown. We know that the spacing be- tween the nails is s=50 mm and that the allowable shearing force in each nail is 300 N, calculate (a) the largest allowable vertical shear in the beam, (b) the corresponding maximum the beam 20 mm- 80 mm 20 mm 120 mm

A square box beam is made of two 20X80-mm planks and two 20X120-mm planks nailed together as shown. We know that the spacing be- tween the nails is s=50 mm and that the allowable shearing force in each nail is 300 N, calculate (a) the largest allowable vertical shear in the beam, (b) the corresponding maximum the beam 20 mm- 80 mm 20 mm 120 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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A square box beam is made of two 20X80-mm planks and two 20X120-mm planks nailed together as shown. We know that the spacing be- tween the nails is s=50 mm and that the allowable shearing force in each nail is 300 N, calculate (a) the largest allowable vertical shear in the beam, (b) the corresponding maximum shearing stress in the beam. E 20 mm 80 mm 20 mm S 120 mm S
Transcribed Image Text:A square box beam is made of two 20X80-mm planks and two 20X120-mm planks nailed together as shown. We know that the spacing be- tween the nails is s=50 mm and that the allowable shearing force in each nail is 300 N, calculate (a) the largest allowable vertical shear in the beam, (b) the corresponding maximum shearing stress in the beam. E 20 mm 80 mm 20 mm S 120 mm S
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