Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
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Question
Chapter 3, Problem 3.3.8P
To determine
(a)
If the member can resist service loads using load and resistance factor design (LFRD) method.
To determine
(b)
If the member can resists service loads using Strength Design (ASD).
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7
7a
7b
7c
Alaterally supported beam was designed for flexure. The beam is safe for shear & deflection. The most economical
section is structural tubing however the said section is not readily available at the time of the construction. If you
are the engineer in charge of the construction what alternative section will be the best replacement? Why?
The section is 8" x 8" x 7.94 mm thick:
Use Fy=248 MPa: E=200,000 MPa
AISC
wall thickness
Ix 106
S x 103
Jx 103
mm4
mm3
mm4
rx =ry
Area
Ag (mm2) mm
Designation
Weight/m
8x8
7.94
47.36
6,039
79.25
37.84
371.99
60.35
expla'n briefly your cho'ce. (transform your comparative analys's 'nto a narative form to support your cho'ce)
8x8
14.29
80.61
10,258
76.2
59.52
585.02
99.06
8x8
72.7
9,290
76.96
54.53
539.13
90.32
8x8
9.53 56.09
7,161
78.48
44.12
432.62
70.76
mm
12.7
Zx 103
mm3
437.53
714.48
650.57
512.92
4. Calculate the design strength (ocPn) of W24X76 with length of 12 ft. and
pinned ends. A572 Grade50 steel is used. E=29x103 ksi. Show your work in
detail.
ASTM
Classification
A36
A572 Grade 50
A992 Grade 50
A500 Grade B
(HSS rect, sq)
A500 Grade B
(HSS round)
A53 Grade B
Yield
Strength
F, (ksi)
36
50
50
46
42
35
Ultimate
Strength
F (ksi)
58
65
65
58
58
60
TENSION MEMBERS:
THE SINGLE 200 X 10 mm STEEL PLATE IS CONNECTED TO A 12 mm THICK STEEL PLATE BY FOUR 16 mm DIAMETER RIVETS AS SHOWN IN THE FIGURE. THE RIVETS
USED ARE A502 GRADE 2, HOT DRIVEN RIVETS. THE STEEL IS ASTM A36 WITH Fy = 248 MPa AND Fu = 400 MPa. DETERMINE THE VALUE OF P.
a. P BASED ON TENSION OF GROSS AREA
b. P BASED ON TENSION OF NET AREA
c. P BASED ON BEARING OF PROJECTED AREA
d. P BASED ON SHEAR RUPTURE (BLOCK SHEAR)
Chapter 3 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 3 - Prob. 3.2.1PCh. 3 - Prob. 3.2.2PCh. 3 - Prob. 3.2.3PCh. 3 - Prob. 3.2.4PCh. 3 - Prob. 3.2.5PCh. 3 - Prob. 3.2.6PCh. 3 - Prob. 3.3.1PCh. 3 - Prob. 3.3.2PCh. 3 - Prob. 3.3.3PCh. 3 - Prob. 3.3.4P
Ch. 3 - Prob. 3.3.5PCh. 3 - Prob. 3.3.6PCh. 3 - Prob. 3.3.7PCh. 3 - Prob. 3.3.8PCh. 3 - Prob. 3.4.1PCh. 3 - Prob. 3.4.2PCh. 3 - Prob. 3.4.3PCh. 3 - Prob. 3.4.4PCh. 3 - Prob. 3.4.5PCh. 3 - Prob. 3.4.6PCh. 3 - Prob. 3.5.1PCh. 3 - Prob. 3.5.2PCh. 3 - Prob. 3.5.3PCh. 3 - Prob. 3.5.4PCh. 3 - Prob. 3.6.1PCh. 3 - Prob. 3.6.2PCh. 3 - Prob. 3.6.3PCh. 3 - Select an American Standard Channel shape for the...Ch. 3 - Prob. 3.6.5PCh. 3 - Use load and resistance factor design and select a...Ch. 3 - Select a threaded rod to resist a service dead...Ch. 3 - Prob. 3.7.2PCh. 3 - Prob. 3.7.3PCh. 3 - Prob. 3.7.4PCh. 3 - Prob. 3.7.5PCh. 3 - Prob. 3.7.6PCh. 3 - Prob. 3.8.1PCh. 3 - Prob. 3.8.2PCh. 3 - Prob. 3.8.3PCh. 3 - Prob. 3.8.4PCh. 3 - Prob. 3.8.5P
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