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Bridge Design and Evaluation: LRFD and LRFR

ISBN: 978-0-470-42225-0
456 pages
January 2013
Bridge Design and Evaluation: LRFD and LRFR (0470422254) cover image

Description

A succinct, real-world approach to complete bridge system design and evaluation

Load and Resistance Factor Design (LRFD) and Load and Resistance Factor Rating (LRFR) are design and evaluation methods that have replaced or offered alternatives to other traditional methods as the new standards for designing and load-rating U.S. highway bridges. Bridge Design and Evaluation covers complete bridge systems (substructure and superstructure) in one succinct, manageable package. It presents real-world bridge examples demonstrating both their design and evaluation using LRFD and LRFR. Designed for a 3- to 4-credit undergraduate or graduate-level course, it presents the fundamentals of the topic without expanding needlessly into advanced or specialized topics.

Important features include:

  • Exclusive focus on LRFD and LRFR
  • Hundreds of photographs and figures of real bridges to connect the theoretical with the practical
  • Design and evaluation examples from real bridges including actual bridge plans and drawings and design methodologies
  • Numerous exercise problems
  • Specific design for a 3- to 4-credit course at the undergraduate or graduate level
  • The only bridge engineering textbook to cover the important topics of bridge evaluation and rating

Bridge Design and Evaluation is the most up-to-date and inclusive introduction available for students in civil engineering specializing in structural and transportation engineering.

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Table of Contents

Preface xi

1 Introduction 1

1.1 Bridge Engineering and Highway Bridge Network 1

1.2 Types of Highway Bridges 2

1.3 Bridge Construction and Its Relation to Design 7

1.4 AASHTO Specifications and Design and Evaluation Methods 9

1.5 Goals for Bridge Design and Evaluation 11

1.6 PreliminaryDesign versus Detailed Design 11

1.7 Organization of This Book 12

References 14

2 Requirements for Bridge Design and Evaluation 15

2.1 General Requirements 15

2.2 Limit States 16

2.3 Constructability 20

2.4 Safety 21

2.5 Serviceability 31

2.6 Inspectability 41

2.7 Economy 41

2.8 Aesthetics 42

2.9 Summary 44

References 45

Problems 45

3 Loads, Load Effects, and Load Combinations 47

3.1 Introduction 47

3.2 Permanent Loads 48

3.3 Transient Loads 63

3.4 Load Combinations 83

References 92

Problems 92

4 Superstructure Design 101

4.1 Introduction 101

4.2 Highway Bridge Superstructure Systems 103

4.3 Primary Components of Highway Bridge Superstructure 106

4.4 Deck Systems 110

4.5 Deck-Supporting Systems 121

4.6 Design of Reinforced Concrete Deck Slabs 135

4.7 Design of Steel I Beams 177

4.8 Design of Prestressed Concrete I Beams 247

References 300

Problems 300

5 Bearing Design 303

5.1 Introduction 303

5.2 Types of Bridge Bearing 304

5.3 Appropriate Selection of Bearings 313

5.4 Design of Elastomeric Bearings 314

References 333

Problems 333

6 Substructure Design 335

6.1 Introduction 335

6.2 Piers 340

6.3 Abutments 346

6.4 Foundations 349

6.5 Design of Piers 353

6.6 Design of Abutments 357

References 393

7 Highway Bridge Evaluation 395

7.1 Introduction 395

7.2 Inspection and Condition Rating 397

7.3 Load Rating 401

7.4 Fatigue Evaluation for Steel Components 416

References 419

Problems 419

Index 421

Problems 393

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Author Information

Gongkang Fu is Professor of Civil Engineering and Chairman of Department of Civil, Architectural, and Environmental Engineering at Illinois Institute of Technology, and Changjiang Scholar Chair Professor of the Chinese Education Ministry at Tongji University, China. He was head of structures research with the New York State Department of Transportation (DOT) for seven years, and has worked on design and research projects for the FHWA and the California, Georgia, New York, Michigan, and Ohio DOTs. He is an active member of the American Society of Civil Engineers.

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