EBK ENGINEERING FUNDAMENTALS: AN INTROD
5th Edition
ISBN: 8220100543401
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 15, Problem 39P
To determine
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Water in a tank is used to control the water pressure in a pipe as shown in Figure P5 below.
Find the pressure in the pipe at A if h = 200 mm and the mercury is at the elevation shown
(between points B and C). Assume standard atmospheric pressure and neglect the diameter
of the pipe. Express your answer in kPa.
Select a W-shape for the following conditions:
Beam spacing = 12 ft
Span length = 25 ft
Slab and deck combination weight = 43 psf
Partition load = 20 psf
Ceiling weight = 5 psf
Flooring weight = 2 psf
Live load 160 psf
Fy
= 50 ksi
The maximum live load deflection cannot exceed L/340.
Shape
Mp (ft-kips) M₁/ (ft-kips) Vn (kips) Vn/v (kips) Ix (in.
Vn/n, (kips) I. (in.)
W14 × 61
383
254
156
104
640
W21 × 44
358
238
217
145
843
W16 × 50
345
230
186
124
659
W18 × 46
340
226
195
130
712
a. Use LRFD.
Calculate the required moment of inertia, the required moment strength, and the maximum shear.
(Express your answers to three significant figures.)
Ix
=
in.
4
Μι
=
Vu
Select a shape:
-Select-
b. Use ASD.
ft-kips
kips
Calculate the required moment of inertia, the required moment strength, and the maximum shear.
(Express your answers to three significant figures.)
Ix
Ma
=
Va =
Select a shape:
-Select-
4
in.
ft-kips
kips
The beam shown in the figure below has continuous lateral support of both flanges. The uniform load is a service load
consisting of 70% dead load and 30% live load. The dead load includes the weight of the beam.
6 k/ft
+9
18'
If A992 steel is used, is a W12 × 35 adequate?
For A992 steel: Fy
=
50 ksi.
bf
h
For W12 x 35:
= 6.31,
=
36.2 in., Zx
2tf
tw
(Express your answers to three significant figures.)
a. Use LRFD.
Mu
Фомп
=
ft-kips
ft-kips
A W12 × 35 is -Select-
b. Use ASD.
Ma
=
ft-kips
Mn
ft-kips
26
A W12 × 35 is -Select-
=
+6→
51.2 in.
3
Chapter 15 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
Ch. 15.1 - Prob. 1BYGCh. 15.1 - Prob. 2BYGCh. 15.1 - Prob. 3BYGCh. 15.1 - Prob. 4BYGCh. 15.1 - Prob. 5BYGCh. 15.2 - Prob. 1BYGCh. 15.2 - Prob. 2BYGCh. 15.2 - Prob. 3BYGCh. 15.2 - What is an M-file?Ch. 15.5 - Prob. 1BYG
Ch. 15.5 - Prob. 2BYGCh. 15.5 - Prob. 3BYGCh. 15.5 - Prob. 4BYGCh. 15.5 - Prob. 5BYGCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - Prob. 3PCh. 15 - Prob. 4PCh. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - Prob. 13PCh. 15 - Prob. 14PCh. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Prob. 24PCh. 15 - Prob. 25PCh. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Prob. 28PCh. 15 - Prob. 29PCh. 15 - Prob. 30PCh. 15 - Prob. 31PCh. 15 - The Body Mass Index (BMI) is a way of determining...Ch. 15 - Prob. 33PCh. 15 - Prob. 34PCh. 15 - Prob. 35PCh. 15 - Prob. 36PCh. 15 - Prob. 37PCh. 15 - Prob. 38PCh. 15 - Prob. 39PCh. 15 - Prob. 40P
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