Structural Analysis (10th Edition)
10th Edition
ISBN: 9780134610672
Author: Russell C. Hibbeler
Publisher: PEARSON
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Question
Chapter 3, Problem 3.25P
To determine
The force in member
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A box beam is fabricated from two
plywood webs that are secured to
lumber boards at its top and bottom
flanges. The beam supports a
concentrated load of P = 4100 lb at the
center of a 13-ft span. Bolts (3/8-in.
diameter) connect the plywood webs
and the lumber flanges at a spacing of s
=
9 in. along the span. Supports A and
C can be idealized as a pin and a roller,
respectively. [w = 4.5 in., b = 0.25 in., t
= 5 in., h = 17 in.]
B
Determine the maximum horizontal
shear stress in the plywood webs.
Determine the average shear stress in
the bolts.
Determine the maximum bending stress
in the lumber flanges.
A cantilever flexural member is
fabricated by bolting two identical C-
section steel shapes back to back as
shown in the figure. The beam has a
span of L = 1300 mm and supports a
concentrated load of P = 800 N. The
cross-sectional dimensions of the built-
up shape are shown in the figure.
Assume the section has a constant
thickness of t = 2.5 mm. Bolts of 3.5
mm diameter are installed at intervals of
s = 65 mm.[b = 100 mm, a = 25 mm]
b
T
Determine the shear flow in the
sections connected by the fasteners.
Calculate the shear force in each bolt.
Calculate the shear stress in the bolts.
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.
Chapter 3 Solutions
Structural Analysis (10th Edition)
Ch. 3 - Classify each of the following trusses as...Ch. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Prob. 3.4PCh. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - Prob. 3.25PCh. 3 - Prob. 3.26PCh. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.30PCh. 3 - Prob. 3.31PCh. 3 - Prob. 3.32PCh. 3 - Prob. 3.33PCh. 3 - Prob. 3.34PCh. 3 - Prob. 3.35PCh. 3 - Prob. 3.36PCh. 3 - Prob. 3.37PCh. 3 - Prob. 3.38PCh. 3 - Prob. 3.39PCh. 3 - Prob. 3.40PCh. 3 - Prob. 3.41PCh. 3 - Prob. 3.42PCh. 3 - Prob. 3.43PCh. 3 - Prob. 3.44PCh. 3 - Prob. 3.45PCh. 3 - Prob. 3.1PP
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