P9.27 A wooden I beam is fabricated from three pieces of dimension lumber as shown in Figure P9.27. The cross-sectional dimensions are bƒ = 90 mm, tƒ = 40 mm, d = 240 mm, and tw = 40 mm.The beam will be used as a simply supported beam to carry a concentrated load P at the center of a 5 m span. The wood has an allowable bending stress of 8,300 kPa and an allowable shear stress of620 kPa. The flanges of the beam are fastened to the web with screws that can safely transmit a force of 800 N in direct shear.ydwFIGURE P9.27(a) If the screws are uniformly spaced at an interval s = 200 mm along the span, what is the maximum concentrated load P that can be supported by the beam, given the strength of the screwconnections? Demonstrate that the maximum bending and shear stresses produced by P are acceptable.(b) Determine the magnitude of the load P that produces the allowable bending stress in the span (i.e., σ₂ = 8,300 kPa). What screw spacing s is required to support this load?

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P9.27 A wooden I beam is fabricated from three pieces of dimension lumber as The beam will be used as a simply supported beam to carry a concentrated load. 620 kPa. The flanges of the beam are fastened to the web with screws that can sa (a) If the screws are uniformly spaced at an interval s = 200 mm along the span, connections? Demonstrate that the maximum bending and shear stresses produ (h) Datorming the magnitude of the load R that produces the allowable bonding

P9.27 A wooden I beam is fabricated from three pieces of dimension lumber as The beam will be used as a simply supported beam to carry a concentrated load. 620 kPa. The flanges of the beam are fastened to the web with screws that can sa (a) If the screws are uniformly spaced at an interval s = 200 mm along the span, connections? Demonstrate that the maximum bending and shear stresses produ (h) Datorming the magnitude of the load R that produces the allowable bonding

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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