EBK ENGINEERING FUNDAMENTALS: AN INTROD
5th Edition
ISBN: 8220100543401
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 15, Problem 30P
To determine
Find the equation that best fits the temperature-time data, also compare the actual and predicted temperature values.
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A flexural member is fabricated from two flange plates 1/2 × 71/2 and a web plate 3/8 × 20. The yield stress of the steel is 50 ksi.
a. Compute the plastic section modulus Z and the plastic moment Mp with respect to the major principal axis.
(Express your answers to three significant figures.)
Z =
Mp
=
in. 3
ft-kips
b. Compute the elastic section modulus S and the yield moment My with respect to the major principal axis.
(Express your answers to three significant figures.)
S =
My
=
in.3
ft-kips
The beam shown in the figure below has lateral support at the ends only. The concentrated loads are live loads. Use A992 steel and select a shape.
Do not check deflections. Use C = 1.0 (this is conservative). Suppose that PL
= 20 k.
PL
PL
Use the table below.
Shape
Mn Mn Vn Vn
Ω
Ων
W12 × 58
216
144 132 87.8
W12 × 65
269
179 142 94.4
W12 × 72
308
205
159 106
W14 × 61
235
157
156 104
W14 × 68
280
187
174 116
W14 × 74
318
212
192 128
W16 × 67
276 184
193 129
18'
a. Use LRFD.
Calculate the factored-load moment (not including the beam weight).
(Express your answer to three significant figures.)
Mu
=
ft-kips
Select a shape.
-Select-
b. Use ASD.
Calculate the required flexural strength (not including the beam weight).
(Express your answer to three significant figures.)
Ma
=
Select a shape.
-Select-
ft-kips
Given a portion of a pipe network below. Determine the true discharge in each pipe using the Hardy-Cross method. Use the Darcy-Weisbach formula with f = 0.02 for all pipes.
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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