Rigid bar ABC shown in the figure is supported by a pin at bracket A and by tie rod (1). Tie rod (1) has a diameter of 5 mm, and it is supported by double-shear pin connections at B and D. The pin at bracket A is a single-shear connection. All pins are 8 mm in diameter Assume a = 650 mm, b= 325 mm, h= 525 mm, P = 800 N, and 0 = 65°. Determine the following: (a) the normal stress in rod (1) (b) the shear stress in pin B (c) the shear stress in pin A D Answers: (a) Orod = (b) Tpin B (c) Tpin A= (1) i 3.89 i 5.22 i B ● b C MPa MPa MPa h

Rigid bar ABC shown in the figure is supported by a pin at bracket A and by tie rod (1). Tie rod (1) has a diameter of 5 mm, and it is supported by double-shear pin connections at B and D. The pin at bracket A is a single-shear connection. All pins are 8 mm in diameter Assume a = 650 mm, b= 325 mm, h= 525 mm, P = 800 N, and 0 = 65°. Determine the following: (a) the normal stress in rod (1) (b) the shear stress in pin B (c) the shear stress in pin A D Answers: (a) Orod = (b) Tpin B (c) Tpin A= (1) i 3.89 i 5.22 i B ● b C MPa MPa MPa h

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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Concept explainers

Mechanics of Solids

It is the study of the behavior of solid materials, their characteristics under various circumstances such as variation in external forces, temperature, and other internal factors. It is one of most important study in the field of engineering science, especially chemistry and mechanical engineering. In rigid body, the idealization of the solid body in which deformation is neglected. Deformation is known as the force acting on the solid state system which exerts change in its shape of the body but it continues to be at rest or in a uniform motion but it cannot accelerate. But those solid systems do have elasticity, compressibility and can be bent. This field is very vast since there are wide range of materials around us.

Question

Rigid bar ABC shown in the figure is supported by a pin at bracket A and by tie rod (1). Tie rod (1) has a diameter of 5 mm, and it is
supported by double-shear pin connections at B and D. The pin at bracket A is a single-shear connection. All pins are 8 mm in diameter.
Assume a = 650 mm, b = 325 mm, h = 525 mm, P = 800 N, and 8 = 65°. Determine the following:
(a) the normal stress in rod (1)
(b) the shear stress in pin B
(c) the shear stress in pin A
D
Answers:
(a) Orod=
(b) Tpin B=
(c) Tpin A =
a
(1)
i 3.89
i
i
5.22
B
b
MPa
MPa
MPa
h

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Step 2: a) Draw FBD and calculate normal stress in rod 1

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Step 3: b) Calculate the shear stress in pin B

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Step 4: Calculate shear stress in pin A

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