STEEL DESIGN (LOOSELEAF)
6th Edition
ISBN: 9781337400329
Author: Segui
Publisher: CENGAGE L
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Chapter 6, Problem 6.8.5P
To determine
(a)
The
To determine
(b)
The
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Q. No. 4: An aluminium Z section has the dimensions shown in Figure Q. No.4. The yield strength
(tension or compression) of the aluminium is oy = 40ksi, and a factor of safety of F.S.- 2.0 is to be
maintained. Analyze using concepts of neutral axis and unsymmetric bending of an unsymmetric
section, to determine:
(a) I,, I, and Iye.
(b) the orientation of the neutral axis for the given orientation of bending moment using arbitrary
axes method.
(c) the maximum allowable magnitude of bending moment M. using arbitrary axes method.
I=l in.
4 in.
M:
4 in.
4 in.
4 in.
Figure Q. No, 4
Q3 (5%): For the truss shown in the figure,
determine the element forces and state whether
they are in tension or compression. Joint C can be
assumed to act as a hinge. The final results should
he summarized in the following table.
408- 32
Member AR RC
DE EF
CH
Al
DF
Farce
(kips
State
(T or C)
A
The member consists of the steel rod AB that is screwed into the end of the
bronze rod BC. Find the largest value of P that meets the following design criteria: (i)
the overall length of the member is not to change by more than 3 mm; and (ii) the
stresses are not to exceed 140 MPa in steel and 120 MPa in bronze. The moduli of
Problem 4:
Steel
A= 480 mm?
1.0 m
B
elasticity are 200 GPa for steel and 80 GPa for bronze.
Problem 5: The compound bar carries the axial forces P and 2P. Find the maximum
allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for alumi-
num, and the total elongation of the bar is not to exoceed 0.2 in.
3P
Bronze
A= 650 mm
2 m
3 ft
4 ft
2P
Steel
A = 0,4 in.2
E = 29 × 10° psi
2P
Aluminum
A = 0.6 in.2
E= 10 x 10° psi
Chapter 6 Solutions
STEEL DESIGN (LOOSELEAF)
Ch. 6 - Prob. 6.2.1PCh. 6 - Prob. 6.2.2PCh. 6 - Prob. 6.6.1PCh. 6 - Prob. 6.6.2PCh. 6 - Prob. 6.6.3PCh. 6 - The member shown in Figure P6.6-4 is part of a...Ch. 6 - Prob. 6.6.5PCh. 6 - Prob. 6.6.6PCh. 6 - Prob. 6.6.7PCh. 6 - Prob. 6.6.8P
Ch. 6 - Prob. 6.6.9PCh. 6 - Prob. 6.6.10PCh. 6 - Prob. 6.6.11PCh. 6 - Prob. 6.6.12PCh. 6 - Prob. 6.6.13PCh. 6 - Prob. 6.7.1PCh. 6 - Prob. 6.7.2PCh. 6 - Prob. 6.8.1PCh. 6 - Prob. 6.8.2PCh. 6 - Prob. 6.8.3PCh. 6 - Prob. 6.8.4PCh. 6 - Prob. 6.8.5PCh. 6 - Prob. 6.8.6PCh. 6 - Prob. 6.8.7PCh. 6 - Prob. 6.8.8PCh. 6 - Prob. 6.8.9PCh. 6 - Prob. 6.8.10PCh. 6 - Prob. 6.9.1PCh. 6 - Prob. 6.9.2P
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