The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D. (a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi. (b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi. Detail of joint B 0.80 in 3 ft 5 ft. + B 6 ft D 2750 lb 3.75 in 3.75 in Beam CD (b × h) Bolt (dmin) -0.50 in

The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D. (a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi. (b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi. Detail of joint B 0.80 in 3 ft 5 ft. + B 6 ft D 2750 lb 3.75 in 3.75 in Beam CD (b × h) Bolt (dmin) -0.50 in

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.5.2P

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Analysis and Procedures for Material Selection

The term material selection means to select the right material for various engineering applications. There are various engineering materials available and each has different individual properties. Thorough knowledge of the material properties and behavior is crucial in the design process. For instance, a structural member, such as a beam, is used to support vertical shear loads by the building itself. To withstand such loads, the material of the beam must possess adequate strength and stiffness to resist any deformation that might lead to the formation of cracks.

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Strength of Materials

The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular
beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D.
(a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi.
(b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi.
Detail of joint B
0.80 in
3 ft
A
5 ft-
B
6 ft
D
2750 lb
3.75 in
3.75 in
Strut AB
Beam CD (b × h)
Bolt (dmin)
-0.50 in

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