Structural Analysis (10th Edition)
10th Edition
ISBN: 9780134610672
Author: Russell C. Hibbeler
Publisher: PEARSON
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Question
Chapter 2, Problem 2.32P
To determine
The vertical and horizontal components of the reactions at the support of the beam.
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A semicircular 40 ft diameter− − tunnel is to be built under a150 ft deep− − , 800 ft long− − lake,
as shown below.
a) Determine the horizontal, vertical, and resulting hydrostatic forces acting on this tunnel.
(Answer: 8 8 8
1.398 10 , 2.596 10 , 2.64 10H y netF lbf F lbf F lbf= × = × = × )
b) Calculate the hydrostatic force on the bottom of the lake if the tunnel was not there, and
compare it with the total (resulting) hydrostatic force that you calculated in part (a).
(Answer: 8
2.995 10VF lbf= × )
c) As the design engineer of this tunnel would you take the hydrostatic force on the bottom
of the lake as a rough estimate of the resulting hydrostatic force acting on this tunnel.
Discuss your decision.
Chapter 2 Solutions
Structural Analysis (10th Edition)
Ch. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10P
Ch. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.34PCh. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - Prob. 2.40PCh. 2 - Prob. 2.41PCh. 2 - Prob. 2.42PCh. 2 - Prob. 2.43PCh. 2 - Prob. 2.44PCh. 2 - Prob. 2.1PP
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