A wooden box beam is fabricated from four boards, which are fastened together with screws. Each screw can provide a resistance of 640 N. In service, the box beam will be installed so that bending occurs about the z axis, and the maximum shear force in the beam will be 8.9 kN. Assume d;-51 mm, d-240 mm, by-170 mm, and by-24 mm. Determine the maximum permissible spacing interval s for the screws.
A wooden box beam is fabricated from four boards, which are fastened together with screws. Each screw can provide a resistance of 640 N. In service, the box beam will be installed so that bending occurs about the z axis, and the maximum shear force in the beam will be 8.9 kN. Assume d;-51 mm, d-240 mm, by-170 mm, and by-24 mm. Determine the maximum permissible spacing interval s for the screws.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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