A horizontal beam AB of 1.8-2 cross-sectional dimensions (b X h = 19 mm x 200 mm) is supported by an inclined post CD and is under a load of P = 12 kN at point B (see Fig. (a)). The struts consisting of two rods, each 5b/8 in thickness, are connected to the beam by bolts penetrating the three rods at point C [see Fig. (b)]. (a) If the allowable shear stress of the bolt is 90 MPa, what is the minimum diameter dmin required for the bolt at point C? (b) If the allowable pressure stress of the bolt is 130 MPa, what is the minimum diameter dmin required for the bolt at point C?

A horizontal beam AB of 1.8-2 cross-sectional dimensions (b X h = 19 mm x 200 mm) is supported by an inclined post CD and is under a load of P = 12 kN at point B (see Fig. (a)). The struts consisting of two rods, each 5b/8 in thickness, are connected to the beam by bolts penetrating the three rods at point C [see Fig. (b)]. (a) If the allowable shear stress of the bolt is 90 MPa, what is the minimum diameter dmin required for the bolt at point C? (b) If the allowable pressure stress of the bolt is 130 MPa, what is the minimum diameter dmin required for the bolt at point C?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.2.5P: A hollow box beam is constructed with webs of Douglas-fir plywood and flanges of pine, as shown in...

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