Elementary Surveying: An Introduction to Geomatics Plus Mastering Engineering with Pearson eText -- Access Card Package (15th Edition)
15th Edition
ISBN: 9780134654171
Author: Charles D. Ghilani
Publisher: PEARSON
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Chapter 4, Problem 4.14P
a.
To determine
For
b.
To determine
For
c.
To determine
For
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A=Sin² E=290ooks for
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An urban freeway is to be designed using the following information.
AADT = 52,600 veh/day
K (proportion of AADT occurring during the peak hour):
D (proportion of peak hour traffic traveling in the peak direction):
Trucks:
0.11
0.65
8% of peak hour volume
PHF = 0.94
Lane width:
Shoulder width:
Total ramp density:
Terrain:
12 ft
10 ft
0.5 interchange/mile; all interchanges are to be cloverleaf interchanges
rolling
Determine the number of lanes in the peak direction required to provide LOS C. (Assume commuter traffic and assume no RVs.)
lanes
Show all calculations required. (Calculate your answers for the peak direction only. Enter fy the peak hour volume in veh/h, the free flow speed in mi/h, the demand flow rate in pc/h/In, the mean speed in mi/h, and the density in pc/mi/In.)
fHV
peak hour volume
free flow speed
demand flow rate
mean speed
veh/h
mi/h
pc/h/In
mi/h
density
pc/mi/In
The beam shown in the figure below is a W16 × 31 of A992 steel and has continuous lateral support. The two concentrated loads are service live
loads. Neglect the weight of the beam and determine whether the beam is adequate. Suppose that P = 56 k.
For W16 x 31: d=15.9 in., t = 0.275 in., h/t = 51.6,
and M = M₁ = 203 ft-kip, M/
P
P
=
= Mp/
=135 ft-kip.
6'
W16 x 31
a. Use LRFD.
Calculate the required moment strength, the allowable shear strength, and the maximum shear.
(Express your answers to three significant figures.)
=
Mu
QvVn
Vu
=
=
Beam is -Select-
b. Use ASD.
ft-kip
kips
kips
Calculate the required moment strength, the allowable shear strength, and the maximum shear.
(Express your answers to three significant figures.)
Ma
=
Vn/b
Va
=
=
Beam is -Select-
ft-kip
kips
kips
Chapter 4 Solutions
Elementary Surveying: An Introduction to Geomatics Plus Mastering Engineering with Pearson eText -- Access Card Package (15th Edition)
Ch. 4 - Prob. 4.1PCh. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Prob. 4.6PCh. 4 - Prob. 4.7PCh. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Ch. 4 - Prob. 4.11PCh. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - Prob. 4.14PCh. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Prob. 4.17PCh. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - Prob. 4.20PCh. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - Prob. 4.28PCh. 4 - Prob. 4.29PCh. 4 - Prob. 4.30PCh. 4 - Prob. 4.31PCh. 4 - Prob. 4.32PCh. 4 - Prob. 4.33PCh. 4 - Similm to Problem 4.32 Eexcept that the rod...Ch. 4 - Prob. 4.35P
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