Engineering Fundamentals: An Introduction to Engineering
6th Edition
ISBN: 9780357391273
Author: Saeed Moaveni
Publisher: Cengage Learning US
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Chapter 7, Problem 8P
To determine
Investigate the size of the main waterline in neighborhood and your home.
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Determine whether the given member satisfies the appropriate AISC interaction equation. Do not consider moment amplification. The loads are
50% dead load and 50% live load. Bending is about the x axis, and the steel is ASTM A992. Suppose that P = 280 k.
For W12 x 106 with Fy = 50 ksi and Lc = 14 feet:
Ферп 1130 kips, Pn/Sc
= 755 kips,
Mn = 597 ft-kips, Mn/₁ = 397 ft-kips.
P
240 ft-k
W12 X 106
14'
K₁ = Ky
= 1.0
240 ft-k
a. Use LRFD.
P
Determine the factored axial compressive load and the factored bending moment.
(Express your answers to three significant figures.)
P₁ =
Mu =
kips
ft-kips
Select the interaction formula:
P₁
A)
+
Мих
Muy
+
≤1.0
Ферп 9 Фь Мих
of Mny
Pu
Мих
Muy
B)
+
20c Pn
Mnz
+
<1.0
Фь Мпу
-Select-
Compute the interaction formula.
(Express your answer to three significant figures.)
-Select- 1.0
This member -Select-
b. Use ASD.
the AISC Specification.
Determine the total axial compressive load and the maximum bending moment.
(Express your answers to three significant…
Refer to the following figure:
K
6 m
T
0.25 H
0.75 H
1 m
A
c,O,Y
3 m
B
2 m
1 m
C
Figure Peck's (1969)
apparent-pressure envelope for
cuts in soft to medium clay
Given: y = 17.5 kN/m³, c = 30 kN/m², 6 = 0, and center-to-center spacing of struts in the plan = 5 m. Determine
the sheet-pile section modulus for the braced cut. Use all = 150 MN/m².
(Enter your answer to three significant figures.)
S =
×105 m³/m
Refer to the braced cut shown in the following figure:
-3.5 m
1 m
A
Sand
Y,',c'
2 m
B
2 m
C
1.5 m
Given:
γ
· = 21 kN/m³, ′ = 40°, and c' = 0. The struts are located at 4 m center-to-center in the plan. Determine
the strut loads at levels A, B, and C.
(Enter your answers to three significant figures.)
PA =
kN
PB =
kN
Pc
kN
Chapter 7 Solutions
Engineering Fundamentals: An Introduction to Engineering
Ch. 7.2 - Prob. 1BYGCh. 7.2 - Prob. 2BYGCh. 7.2 - Prob. 3BYGCh. 7.2 - Prob. 4BYGCh. 7.2 - Prob. 5BYGCh. 7.2 - What does strain represent?Ch. 7.2 - Prob. BYGVCh. 7.5 - Prob. 1BYGCh. 7.5 - Describe two different methods that you can use to...Ch. 7.5 - Prob. 3BYG
Ch. 7.5 - Prob. 4BYGCh. 7.5 - Prob. 5BYGCh. 7.5 - Prob. BYGVCh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Investigate the diameter of the electrical wire...Ch. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 15PCh. 7 - Prob. 17PCh. 7 - Using area as your variable, suggest ways to cool...Ch. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - A 10 cm long rectangular bar (when subjected to a...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - Prob. 47PCh. 7 - Prob. 48PCh. 7 - Prob. 49PCh. 7 - Prob. 50P
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- Refer to the following figures: 6 m 0.25 H 0.75 H 3 m 2 m 1 m A с.ф.у 1 m B Figure Peck's (1969) apparent-pressure envelope for cuts in soft to medium clay Given: y = 18.4 kN/m³, c = 30 kN/m², p = 0, and center-to-center spacing of struts in the plan = 5 m. Determine the strut loads at levels A, B, and C. (Enter your answers to three significant figures.) PA= kN PB = kN Pc= kNarrow_forwardRefer to the following figure: 6 m 3 m 2 m 1 m A c,φ,γ 1 m B Given: y = 17.9 kN/m³, c = 60 kN/m², 6 = 0, and center-to-center spacing of struts in the plan = 5 m. The length of the cut is 12.5 m. Determine the factor of safety against bottom heave for the braced cut. Use the equation CNC (1+0.25) FS = զ с x + H B' :) H (Enter your answer to three significant figures.) FS =arrow_forwardGiven Data Initial Road Design: • Design speed: 85 km/h • • Radius of both circular arcs: R = 845 m = 0.44 m/s³ = 250 m • Rate of gain of radial acceleration on all transitions: q Length of straight section between the curves: Lstr Redesigned Road: New design speed: 120 km/h • New radius: R' = 2500 marrow_forward
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