Structural Steel Design (6th Edition)
6th Edition
ISBN: 9780134589657
Author: Jack C. McCormac, Stephen F. Csernak
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 2.5PFS
Structural steel beams are to be placed at 6 ft on center under a reinforced concrete floor slab. If they are to support a service dead load
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Find the magnitude and depth of the point of application of the force on circular gate shown in figure if h=5 ft and D=4 ft dia. (Answer: 5280 lbf, ycp = 7.9 ft i.e. vertical depth of cp is 6.84 ft)
*3-4. A tension test was performed on a steel specimen
having an original diameter of 0.503 in. and a gauge length
of 2.00 in. The data is listed in the table. Plot the
stress-strain diagram and determine approximately the
modulus of elasticity, the ultimate stress, and the rupture
stress. Use a scale of 1 in. = 15 ksi and 1 in. = 0.05 in./in.
Redraw the linear-elastic region, using the same stress scale
but a strain scale of 1 in. = 0.001 in.
Load (kip) Elongation (in.)
0
0
2.50
0.0009
6.50
0.0025
8.50
0.0040
9.20
0.0065
9.80
0.0098
12.0
0.0400
14.0
0.1200
14.5
0.2500
14.0
0.3500
13.2
0.4700
PROBLEM 4
Draw a free body diagram of the loading and forces. Solve for the reaction A at the wall support.
Check your answer using the summation of forces.
15 K/ft
15 ft
25 K/ft
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