The d = 14-mm-diameter solid rod passes through a D = 19-mm-diameter hole in the support plate. When a load P is applied to the rod, the rod head rests on the support plate. The support plate has a thickness of b = 10 mm. The rod head has a diameter of a = 28 mm, and the head has a thickness of t = 8 mm. The shear stress in the rod head cannot exceed 125 MPa, the punching shear stress in the support plate cannot exceed 85 MPa, and the bearing stress between the rod head and the support plate cannot exceed 120 MPa. Determine the maximum value of Pmax that can be supported by the structure. P Support Plate Rod Answer: Pma = i Hole diameter D F Head KN P a

The d = 14-mm-diameter solid rod passes through a D = 19-mm-diameter hole in the support plate. When a load P is applied to the rod, the rod head rests on the support plate. The support plate has a thickness of b = 10 mm. The rod head has a diameter of a = 28 mm, and the head has a thickness of t = 8 mm. The shear stress in the rod head cannot exceed 125 MPa, the punching shear stress in the support plate cannot exceed 85 MPa, and the bearing stress between the rod head and the support plate cannot exceed 120 MPa. Determine the maximum value of Pmax that can be supported by the structure. P Support Plate Rod Answer: Pma = i Hole diameter D F Head KN P a

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The d = 14-mm-diameter solid rod passes through a D = 19-mm-diameter hole in the support plate. When a load P is applied to the rod,
the rod head rests on the support plate. The support plate has a thickness of b = 10 mm. The rod head has a diameter of a = 28 mm, and
the head has a thickness of t = 8 mm. The shear stress in the rod head cannot exceed 125 MPa, the punching shear stress in the support
plate cannot exceed 85 MPa, and the bearing stress between the rod head and the support plate cannot exceed 120 MPa. Determine
the maximum value of Pmax that can be supported by the structure.
Support
Plate
Rod
Answer: Pmax=
i
Hole diameter D
Head
kN
a

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Step 1: Determine the maximum value of P supported by structure.

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Step 2: Write the expression for the bearing, shear and punching stress.

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Step 3: Calculate force for the bearing, shear and punching stress.

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