Structural Analysis (10th Edition)
10th Edition
ISBN: 9780134610672
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 12, Problem 12.21P
To determine
The force in each truss member of the portal frame
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Five wood boards are bolted together to
form the built-up beam shown in the
figure. The beam is subjected to a
shear force of V = 14 kips. Each bolt
has a shear strength of V bolt = 6 kips.
[h₁4 in., t₁ = 0.75 in., h₂ = 6.5 in., t₂ =
1.25 in.]
hi/2
h/2
h2
h:/2
hi/2
+
h2
Determine the moment of inertia of the
section.
Determine the shear flow in the section
connected by fasteners.
Determine the maximum allowable
spacing of the bolts.
Two built-up beams shown in the figure
below have the same dimensions and
are connected by the same types of
nails with the same spacing. Which
beam could carry more shear force if
the controlling factor is the shear flow in
the fasteners?
Nails
Beam (1)
Z
Beam (2)
Beam (2)
Beam (1)
Both are the same
Cannot answer without
knowing the shear diagram
Cannot answer without
knowing the modulus of
rigidity
Nails
Two built-up beams shown in the figure
below have the same dimensions and
are connected by the same types of
nails with the same spacing. Which
beam could carry more shear force if
the controlling factor is the shear flow in
the fasteners?
Nails
Beam (1)
Beam (2)
Cannot answer without
knowing the shear diagram
Beam (1)
Cannot answer without
knowing the modulus of
Nails
Chapter 12 Solutions
Structural Analysis (10th Edition)
Ch. 12 - Prob. 12.1PCh. 12 - Prob. 12.2PCh. 12 - Prob. 12.3PCh. 12 - Prob. 12.4PCh. 12 - Prob. 12.5PCh. 12 - Prob. 12.6PCh. 12 - Prob. 12.7PCh. 12 - Prob. 12.8PCh. 12 - Prob. 12.9PCh. 12 - Prob. 12.10P
Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12PCh. 12 - Prob. 12.13PCh. 12 - Prob. 12.14PCh. 12 - Prob. 12.15PCh. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - Prob. 12.18PCh. 12 - Prob. 12.19PCh. 12 - Prob. 12.20PCh. 12 - Prob. 12.21PCh. 12 - Prob. 12.22PCh. 12 - Prob. 12.23PCh. 12 - Prob. 12.24PCh. 12 - Prob. 12.25PCh. 12 - Prob. 12.26PCh. 12 - Prob. 12.27PCh. 12 - Prob. 12.28PCh. 12 - Prob. 12.29PCh. 12 - Prob. 12.30PCh. 12 - Prob. 12.31PCh. 12 - Prob. 12.32PCh. 12 - Prob. 12.33PCh. 12 - Prob. 12.34PCh. 12 - Prob. 12.35PCh. 12 - Prob. 12.36PCh. 12 - Prob. 12.37PCh. 12 - Prob. 12.38PCh. 12 - Prob. 12.39PCh. 12 - Prob. 12.40PCh. 12 - Prob. 12.41PCh. 12 - Prob. 12.42PCh. 12 - Prob. 12.43PCh. 12 - Prob. 12.45PCh. 12 - Prob. 12.46P
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