Structural Analysis, 5th Edition
5th Edition
ISBN: 9788131520444
Author: Aslam Kassimali
Publisher: Cengage Learning
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Question
Chapter 4, Problem 5P
(a)
To determine
Categorize the given plane truss as unstable, statically indeterminate or statically determinate.
Find the degree of static indeterminacy in case the given truss is statically indeterminate.
(b)
To determine
Categorize the given plane truss as unstable, statically indeterminate or statically determinate.
Find the degree of static indeterminacy in case the given truss is statically indeterminate.
(c)
To determine
Categorize the given plane truss as unstable, statically indeterminate or statically determinate.
Find the degree of static indeterminacy in case the given truss is statically indeterminate.
(d)
To determine
Categorize the given plane truss as unstable, statically indeterminate or statically determinate.
Find the degree of static indeterminacy in case the given truss is statically indeterminate.
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Consider, M people (aka pax) who want to travel by car from O to D. They all start working at
D at Q (e.g., Q-8am). If a person departs at time t, assume the time needed to go from O to D
is given by c(t)=A+Bx(t), where x(t) is the flow of people departing at time t [car/unit of time].
In addition, a is the penalty for being early at work (E(t) is how early the person arrived when
departing at time t), and ẞ is the penalty for being late at work (L(t) is how late the person
arrived when departing at time t). Assume 0 < a < 1 < ß. Further assume the departure time
choice problem under the equilibrium conditions. Prove that the arrival time of people who
depart when most of the M people start their trips is equal to Q.
a.
A
b.
A
3. Sketch normal depth, critical depth and the
water surface profile. Assume at A and B the
water is flowing at normal depth. Label and
Identify all curves (i.e., M1, S2, etc.)
Yn > Ye
Уп Ye
Уп> Ус
y
2. Design a trapezoidal ditch to carry Q = 1000 cfs. The
ditch will be a lined channel, gravel bottom with sides
shown below on a slope of S = 0.009. The side
slopes of the 20-ft wide ditch will be 1 vertical to 3
horizontal.
a) Determine the normal depth of flow (yn) using the
Normal value for Manning's n.
b) If freeboard requirements are 25% of the normal
depth, how deep should the ditch be constructed?
c) Classify the slope.
T
b
Уп
Z
1
Yn + FB
Chapter 4 Solutions
Structural Analysis, 5th Edition
Ch. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10P
Ch. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32PCh. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - Prob. 38PCh. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Prob. 42PCh. 4 - Prob. 43PCh. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - Prob. 54P
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