29 (WP The wooden box beam shown in Figure P9.29a is fabricated from four boards fastened together with screws, as shown in Figure P9.29b. Each screw can provide a resistance of 800 N. In ice, the beam will be installed so that bending occurs about the z axis and the maximum shear force in the beam will be 9 kN. Determine the maximum permissible spacing interval s (see Figure 29a) for the screws. 25 mm FIGURE P9.29a 2-9 140 mm I 50 mm 150 mm 50 mm 25 mm

29 (WP The wooden box beam shown in Figure P9.29a is fabricated from four boards fastened together with screws, as shown in Figure P9.29b. Each screw can provide a resistance of 800 N. In ice, the beam will be installed so that bending occurs about the z axis and the maximum shear force in the beam will be 9 kN. Determine the maximum permissible spacing interval s (see Figure 29a) for the screws. 25 mm FIGURE P9.29a 2-9 140 mm I 50 mm 150 mm 50 mm 25 mm

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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Question

P9.29 (WP The wooden box beam shown in Figure P9.29a is fabricated from four boards fastened together with screws, as shown in Figure P9.29b. Each screw can provide a resistance of 800 N. In
service, the beam will be installed so that bending occurs about the z axis and the maximum shear force in the beam will be 9 kN. Determine the maximum permissible spacing interval s (see Figure
P9.29a) for the screws.
D
25 mm
15/₂
FIGURE P9.29a
H
140 mm
25 mm
FIGURE P9.29b
50 mm
150 mm
50 mm

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