Q2: A cold drawn steel rod of circular cross- section is subjected to a variable bending momen of 565 N.m to 1130 N-m as the axial load varies from 4500 N to 13 500 N. Determine the required diameter of the rod for a factor of safety 2. Neglect any stress concentration and column effect. Assume the following values: Ultimate strength = 550 MPa %3D Yield strength = 470 MPa Size factor = 0.85 Surface finish factor = 0.89 Correction factors = 1.0 for bending = 0.7 for axial load The endurance limit in reversed bending may be taken as one-half the ultimate strength.
Q2: A cold drawn steel rod of circular cross- section is subjected to a variable bending momen of 565 N.m to 1130 N-m as the axial load varies from 4500 N to 13 500 N. Determine the required diameter of the rod for a factor of safety 2. Neglect any stress concentration and column effect. Assume the following values: Ultimate strength = 550 MPa %3D Yield strength = 470 MPa Size factor = 0.85 Surface finish factor = 0.89 Correction factors = 1.0 for bending = 0.7 for axial load The endurance limit in reversed bending may be taken as one-half the ultimate strength.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![Q2: A cold drawn steel rod of circular cross-
section is subjected to a variable bending momen
of 565 N.m to 1130 N-m as the axial load varies
from 4500 N to 13 500 N.
Determine the required diameter of the rod for a
factor of safety 2. Neglect any stress
concentration and column effect. Assume the
following
values:
Ultimate strength = 550 MPa
Yield strength = 470 MPa
Size factor = 0.85
%3D
Surface finish factor = 0.89
Correction factors = 1.0 for bending = 0.7 for axial
load
The endurance limit in reversed bending may be
taken as one-half the ultimate strength.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a8e1d02-3e13-4a23-a1d5-9fc7b9bd3d14%2Fafe35bd9-de61-4350-9dc5-cb505bf5d29f%2Fynlsazv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2: A cold drawn steel rod of circular cross-
section is subjected to a variable bending momen
of 565 N.m to 1130 N-m as the axial load varies
from 4500 N to 13 500 N.
Determine the required diameter of the rod for a
factor of safety 2. Neglect any stress
concentration and column effect. Assume the
following
values:
Ultimate strength = 550 MPa
Yield strength = 470 MPa
Size factor = 0.85
%3D
Surface finish factor = 0.89
Correction factors = 1.0 for bending = 0.7 for axial
load
The endurance limit in reversed bending may be
taken as one-half the ultimate strength.
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