EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
9th Edition
ISBN: 9781337517218
Author: SOBHAN
Publisher: VST
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Chapter 15, Problem 15.23P
To determine
Find the factor of safety
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23) An HSS 10 × 6 × 5/16 with F, = 46 ksi is used as a column. The length is 16 feet.
Both ends are pinned, and there is support against weak axis buckling at a
point 6 feet from the top. Determine
a. the design strength for LRFD.
b.the allowable stress for ASD
6'
10'
16'
y-axis
x-axis
(good luck) Falls
12A
+
H.W
ATF pland as illustrated in hig below. has.
the following: a primary clarifier with a 16.8m diameter,
21m (SWD), and Single peripheral weir, an 26m diameter
TE with a 2.1 deep stone filled bed; and a final settling
Tank with a 15-2m diameter, 2.1m (SWD), and single
peripheral weir, The normal operating recirculation ratio
is
NA
0.5 with return to the wet well from the bottom
of the final during periods of low influent flow (fig②
The daily wow flow is 5220 m³/d with an average BOD of 180-9/1
Calculate the loadings on all of the units, and the anticipated.
effluent BOD 2 20°C and 16C
* Assume @ efficiency of removal BOD load of 78% in 20 C
Is of 68% 7416
68/74/6
Futur
W10 x 33
A992 steel
[x=
ry=9
Q2) Does the column shown in Figure below have enough
available strength to support the given service loads?
a. Use LRFD.
b.Use ASD
D= 180k
L = 540*
W14 x 90
13'
A992 steel
(Sto Sage)
Chapter 15 Solutions
EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
Ch. 15 - Prob. 15.1PCh. 15 - Prob. 15.2PCh. 15 - Prob. 15.3PCh. 15 - Prob. 15.4PCh. 15 - Prob. 15.5PCh. 15 - Prob. 15.6PCh. 15 - Prob. 15.7PCh. 15 - Prob. 15.8PCh. 15 - Prob. 15.9PCh. 15 - Prob. 15.10P
Ch. 15 - Prob. 15.11PCh. 15 - Prob. 15.12PCh. 15 - Prob. 15.13PCh. 15 - Prob. 15.14PCh. 15 - Prob. 15.15PCh. 15 - Prob. 15.16PCh. 15 - Prob. 15.17PCh. 15 - Prob. 15.18PCh. 15 - Prob. 15.19PCh. 15 - Prob. 15.20PCh. 15 - Prob. 15.21PCh. 15 - Prob. 15.22PCh. 15 - Prob. 15.23PCh. 15 - Prob. 15.27PCh. 15 - Prob. 15.28PCh. 15 - Prob. 15.29PCh. 15 - Prob. 15.30PCh. 15 - Prob. 15.31PCh. 15 - Prob. 15.32P
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