Page 9 - Bridge and Highway Structure Rehabilitation and Repair

viii CONTENTS

5.11 SOFTWARE FOR SUBSTRUCTURE - 233
BIBLIOGRAPHY - 234

Chapter 6 Applications of Bridge Design and Rating Methods 237
6.1 INTRODUCTION - 237

6.2 LIMIT STATES DESIGN EQUATION - 237
6.3 LEGAL LOADS - 240

6.4 SIMPLIFIED FORMULA - 246
6.5 RATING PROCEDURES FOR CONCRETE AND STEEL BRIDGES - 255
6.6 RATING OF SECONDARY STRUCTURAL MEMBERS - 260

6.7 EXAMPLE OF LOAD RESISTANCE FACTOR RATING (LRFR) - 261
6.8 DESIGN OF A DECK SLAB - 266

6.9 RATING PROCEDURE FOR REINFORCED CONCRETE T-BEAM BRIDGE - 274
6.10 RATING OF PRESTRESSED CONCRETE GIRDER - 276

BIBLIOGRAPHY - 279

Chapter 7 Bridge Widening and Deck Replacement Strategy 281

7.1 SELECTING BRIDGE WIDENING OR REPLACEMENT - 281
7.2 SUPERSTRUCTURE WIDENING - 284

7.3 REHABILITATION/RETROFIT OR REPLACEMENT DECISIONS - 285
7.4 REPLACEMENT PLANNING OR A NEW BRIDGE AT A DIFFERENT LOCATION - 295
7.5 CONSTRUCTABILITY ISSUES - 303

7.6 SUPERSTRUCTURE REPLACEMENT PROCESS - 308
7.7 CASE STUDIES OF ALTERNATES FOR REPLACEMENT OR NEW BRIDGES - 317

7.8 PRACTICAL CASE STUDIES - 318
7.9 SELECTED CASE STUDIES - 328

BIBLIOGRAPHY - 331

SECTION 3 REPAIR AND RETROFIT METHODS 133
Chapter 8 Inspection, Rating and Health Monitoring Techniques 335

8.1 BRIDGE MANAGEMENT SYSTEM (BMS) - 335

8.2 BRIDGE INSPECTION LEADING TO DIAGNOSTIC DESIGN - 344
8.3 TYPES OF INSPECTIONS - 349