, Contents
Preface vi
Chapter 1 Introduction 1-1
Chapter 2 Concepts in Structural Steel Design 2-1
Chapter 3 Tension Members 3-1
Chapter 4 Compression Members 4-1
Chapter 5 Beams 5-1
Chapter 6 Beam-Columns 6-1
Chapter 7 Simple Connections 7-1
Chapter 8 Eccentric Connections 8-1
Chapter 9 Composite Construction 9-1
Chapter 10 Plate Girders 10-1
, PREFACE
This instructor's manual contains solutions to the problems in Chapters 1–10 of Steel
Design, 5th Edition. Solutions are given for all problems in the Answers to Selected
Problems section of the textbook, as well as most of the others.
In general, intermediate results to be used in subsequent calculations were recorded to four
significant figures, and final results were rounded to three significant figures. Students
following these guidelines should be able to reproduce the numerical results given.
However, the precision of the results could depend on the grouping of the computations
and on whether intermediate values are retained in the calculator between steps.
In many cases, there will be more than one acceptable solution to a design problem;
therefore, the solutions given for design problems should be used only as a guide in
grading homework.
I would appreciate learning of any errors in the textbook or solutions manual that you may
discover. You can contact me at . A list of errors and corrections in
the textbook will be maintained at http://www.ce.memphis.edu/segui/errata.html.
William T. Segui
August 15, 2011
vi
, CHAPTER 1 - INTRODUCTION
1.5-1
(a) P 20 67 1340 lb
f P 1340 68. 02 psi f 68. 0 psi
A 19. 7
(b) Since E f,
f 68. 02 2. 35 10−6 2. 35 10−6
E 29, 000, 000
1.5-2
(a) L 9/ sin 45 ° 12. 73 ft
ΔL L 8. 9 10−4 12. 73 12 0. 136 in. ΔL 0. 136 in.
(b) f E 8. 9 10−4 29, 000 25. 81 ksi
P fA 25. 81 1. 31 33. 8 kips P 33. 8 kips
1.5-3
(a) d2 2
A 0. 5
0. 1963 in.2
4 4
f P 5000 25, 470 psi
A 0. 1963
ΔL 6. 792 10−3 8. 49 10−4
L 8
f 25, 470
E 3. 0 107 psi E 30, 000 ksi
8. 49 10−4
(b) Pu 14, 700
Fu 74, 900 psi Fu 74. 9 ksi
A 0. 1963
[1-1]
© 2013 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
Preface vi
Chapter 1 Introduction 1-1
Chapter 2 Concepts in Structural Steel Design 2-1
Chapter 3 Tension Members 3-1
Chapter 4 Compression Members 4-1
Chapter 5 Beams 5-1
Chapter 6 Beam-Columns 6-1
Chapter 7 Simple Connections 7-1
Chapter 8 Eccentric Connections 8-1
Chapter 9 Composite Construction 9-1
Chapter 10 Plate Girders 10-1
, PREFACE
This instructor's manual contains solutions to the problems in Chapters 1–10 of Steel
Design, 5th Edition. Solutions are given for all problems in the Answers to Selected
Problems section of the textbook, as well as most of the others.
In general, intermediate results to be used in subsequent calculations were recorded to four
significant figures, and final results were rounded to three significant figures. Students
following these guidelines should be able to reproduce the numerical results given.
However, the precision of the results could depend on the grouping of the computations
and on whether intermediate values are retained in the calculator between steps.
In many cases, there will be more than one acceptable solution to a design problem;
therefore, the solutions given for design problems should be used only as a guide in
grading homework.
I would appreciate learning of any errors in the textbook or solutions manual that you may
discover. You can contact me at . A list of errors and corrections in
the textbook will be maintained at http://www.ce.memphis.edu/segui/errata.html.
William T. Segui
August 15, 2011
vi
, CHAPTER 1 - INTRODUCTION
1.5-1
(a) P 20 67 1340 lb
f P 1340 68. 02 psi f 68. 0 psi
A 19. 7
(b) Since E f,
f 68. 02 2. 35 10−6 2. 35 10−6
E 29, 000, 000
1.5-2
(a) L 9/ sin 45 ° 12. 73 ft
ΔL L 8. 9 10−4 12. 73 12 0. 136 in. ΔL 0. 136 in.
(b) f E 8. 9 10−4 29, 000 25. 81 ksi
P fA 25. 81 1. 31 33. 8 kips P 33. 8 kips
1.5-3
(a) d2 2
A 0. 5
0. 1963 in.2
4 4
f P 5000 25, 470 psi
A 0. 1963
ΔL 6. 792 10−3 8. 49 10−4
L 8
f 25, 470
E 3. 0 107 psi E 30, 000 ksi
8. 49 10−4
(b) Pu 14, 700
Fu 74, 900 psi Fu 74. 9 ksi
A 0. 1963
[1-1]
© 2013 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
