Structural Depth Reference Manual for the Civil PE Exam

210 Pages·2012·10.44 MB·English

by  Alan Williams PhD SE FICE C Eng

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Structural Depth
Reference Manual
for the Civil PE Exam
Third Edition
Alan Williams, PhD, SE, FICE, C Eng

Structural Depth
Reference Manual
for the Civil PE Exam
Third Edition
Alan Williams, PhD, SE, FICE, C Eng
Professional Publications, Inc. (cid:129) Belmont, California
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STRUCTURAL DEPTH REFERENCE MANUAL FOR THE CIVIL PE EXAM
Third Edition
Current printing of this edition: 1 (electronic version)
Printing History
edition printing
number number update
2 3 Minor changes.
2 4 Minor changes. Copyright update.
3 1 New edition. Copyright update.
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ISBN: 978-1-59126-393-7
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Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface and Acknowledgments. . . . . . . . . . . . v Chapter 6: Design of Reinforced Masonry
1. Design Principles. . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
2. Design for Flexure. . . . . . . . . . . . . . . . . . . . . . . . 6-4
3. Design for Shear . . . . . . . . . . . . . . . . . . . . . . . . 6-10
References and Codes
4. Design of Masonry Columns. . . . . . . . . . . . . . . 6-12
Used to Prepare This Book. . . . . . . . . . . . . . . . ix
5. Design of Masonry Shear Walls . . . . . . . . . . . . 6-14
6. Wall Design for Out-of-Plane Loads. . . . . . . . . 6-18
Chapter 1: Reinforced Concrete Design
7. Design of Anchor Bolts. . . . . . . . . . . . . . . . . . . 6-24
1. Strut-and-Tie Models. . . . . . . . . . . . . . . . . . . . . . 1-1
8. Design of Prestressed Masonry . . . . . . . . . . . . 6-26
2. Corbels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Practice Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33
3. Design for Torsion. . . . . . . . . . . . . . . . . . . . . . . . 1-7
Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
Practice Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1
Chapter 2: Foundations
Index of Codes . . . . . . . . . . . . . . . . . . . . . . . . . . IC-1
1. Eccentrically Loaded Column Bases . . . . . . . . . 2-1
2. Combined Footings. . . . . . . . . . . . . . . . . . . . . . 2-10
3. Strap Footings. . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Practice Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Chapter 3: Prestressed Concrete Design
1. Strength Design of Flexural Members. . . . . . . . 3-1
2. Design for Shear and Torsion. . . . . . . . . . . . . . . 3-7
3. Prestress Losses . . . . . . . . . . . . . . . . . . . . . . . . 3-15
4. Composite Construction. . . . . . . . . . . . . . . . . . 3-19
5. Load Balancing Procedure . . . . . . . . . . . . . . . . 3-24
6. Concordant Cable Profile . . . . . . . . . . . . . . . . . 3-26
Practice Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
Chapter 4: Structural Steel Design
1. Plastic Design . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
2. Eccentrically Loaded Bolt Groups. . . . . . . . . . 4-11
3. Eccentrically Loaded Weld Groups . . . . . . . . . 4-19
4. Composite Beams . . . . . . . . . . . . . . . . . . . . . . . 4-27
Practice Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-33
Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
Chapter 5: Design of Wood Structures
1. Design Principles. . . . . . . . . . . . . . . . . . . . . . . . . 5-1
2. Design for Flexure. . . . . . . . . . . . . . . . . . . . . . . . 5-6
3. Design for Compression . . . . . . . . . . . . . . . . . . 5-10
4. Design for Tension. . . . . . . . . . . . . . . . . . . . . . . 5-15
5. Design for Shear . . . . . . . . . . . . . . . . . . . . . . . . 5-18
6. Design of Connections . . . . . . . . . . . . . . . . . . . 5-22
Practice Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32
Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33
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Preface and Acknowledgments
.................................................................................................................................................................................................................................................................................
The structural depth section of the civil PE exam IwouldliketosaythankyoutoC.DaleBuckner, PhD,
requires detailed understanding of engineering codes PE, for performing the initial technical review of this
and their application. My goal in writing this book book, and to the PPI product development and imple-
has been to provide a guide to the relevant codes, and mentationstaffwhoworkedonthethirdedition,includ-
to demonstrate their use in calculations for structures ing Sarah Hubbard, director of product development
as necessary to help you pass the civil PE exam. andimplementation;CathySchrott,directorofproduc-
tion services; Megan Synnestvedt, Jenny Lindeburg
Different from the previous editions, this third edition
King, and Julia White, editorial project managers; Bill
has been revised and expanded to reflect the most cur-
Bergstrom, Lisa Devoto Farrell, Tyler Hayes, Chelsea
rent NCEES design standards. (For a complete list of
Logan, Scott Marley, Magnolia Molcan, and Bonnie
updated codes, see References and Codes Used to Pre-
Thomas, copy editors; Kate Hayes, production associ-
pare This Book.) Nomenclature, equations, examples,
ate; Andrew Chan and Todd Fisher, calculation check-
and practice problems have been checked and updated
ers; Tom Bergstrom, technical illustrator; and Amy
sothattheyarecongruentwithcurrentcodes.Newtext
Schwertman La Russa, cover designer.
hasalsobeenaddedtosectionspreviouslydependenton
older editions of exam-referenced codes. Alan Williams, PhD, SE, C Eng, FICE
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Introduction
.................................................................................................................................................................................................................................................................................
This book addresses the structural depth section of the For questions involving structural steel design, the can-
civil PE examination administered by the National didate may choose to use either the allowable stress
Council of Examiners for Engineering and Surveying design (ASD) method or the load and resistance factor
(NCEES). The civil PE examination provides the qua- (LRFD) method. In Ch. 4 of this book, both methods
lifying test for candidates seeking registration as civil have been used. The NCEES has adopted the Steel
engineers. The structural section of the examination is Construction Manual, 13th ed. 2005, published by the
intendedtoassessthecandidate’sdepthofknowledgeof AmericanInstituteofSteelConstruction(AISC).Chap-
structural design principles and practice. The problems ter 4 of this book conforms to the 2005 edition of the
in the examination are intended to be representative of AISC Steel Construction Manual.
the process of designing portions of real structures.
The American Forest and Paper Association has pub-
This book is written with the exam in mind. The lishedtheNationalDesignSpecificationforWoodCon-
national codes are referenced, and the appropriate sec- struction, ANSI/NF & PA NDS-2005, and this edition
tions of the codes are explained and analyzed inconcise of the code has been adopted by the NCEES for their
and simple manners. Illustrative examples are also pre- examinations. Chapter 5 of this book conforms to the
sented.Eachexample focusesononespecificcodeissue. 2005 edition of the NDS code.
Thisbookprovidesacomprehensiveguideandreference
for self-study of the subject, and it supplies a rapid and The American Concrete Institute has published the
Building Code Requirements for Masonry Structures:
concise solution technique for any particular problem
ACI 530-08/ASCE 5-08/TMS 402-08, and this edition
type. In addition to providing clarification and inter-
of the code has been adopted by the NCEES for their
pretation of the applicable sections of the codes, exten-
examinations. Chapter 6 of this book conforms to the
sive reference publications are cited to reflect current
2008 edition of the ACI code.
design procedures.
The text is organized into six chapters, corresponding TheNCEEShasalsoadoptedtheInternationalBuilding
to the subject areas covered on the NCEES civil PE Code, IBC-2009, published by the International Code
structural depth exam. Council, and Minimum Design Loads for Buildings and
Other Structures, ASCE 7-05, published by the Amer-
. reinforced concrete design
ican Society of Civil Engineers, and all chapters of this
. foundations and retaining structures book conform to these codes.
. prestressed concrete design Abbreviationsareusedthroughoutthisbooktoreferto
common reference sources. These sources are listed in
. structural steel design
the References and Codes section, with their abbrevia-
. timber design tions in brackets. This book also cites other publica-
tions that discuss current design procedures. These
. masonry design other publications are also listed in the References and
Codes section.
The American Concrete Institute has published Build-
ing Code Requirements for Structural Concrete, ACI
318-08, and this edition of the code has been adopted
by the NCEES for their examinations. The first three
chaptersofthisbookconformtothe2008editionofthe
ACI code.
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