STEEL BRIDGES

CONTENTS
___________________________________________
1: INTRODUCTION
1.1
GENERAL
2
1.2
TYPES OF BRIDGES
5
1.3
MATERIALS FOR BRIDGE CONSTRUCTION
20
2: DESIGN LOADS ON BRIDGES
2.1
INTRODUCTION
26
2.2
ROADWAY DESIGN LOADINGS
26
2.3
RAILWAY DESIGN LOADINGS
32
2.4
OTHER LOADS ON BRIDGES
36
3: DESIGN CONSIDERATIONS
3.1
DESIGN PHILOSOPHIES
42
3.2
ALLOWABLE STRESSES FOR STRUCTURAL STEEL
43
3.3
FATIGUE
65
3.4
ALLOWABLE STRESSES FOR WELDED JOINTS
106
3.5
ALLOWABLE STRESSES FOR BOLTED JOINTS
107
4: BRIDGE FLOORS
4.1
INTRODUCTION
116
4.2
STRUCTURAL SYSTEMS OF BRIDGE FLOORS
117
4.3
DESIGN CONSIDERATIONS
122
4.4
DESIGN EXAMPLES
125
 
5: PLATE GIRDER BRIDGES
5.1
INTRODUCTION
146
5.2
GENERAL DESIGN CONSIDERATIONS
148
5.3
INFLUENCE OF BUCKLING ON GIRDERS DESIGN
154
5.4
ACTUAL STRENGTH OF PLATE GIRDER ELEMENTS
173
5.5
FLANGE PLATE CURTAILMENT
181
5.6
DESIGN DETAILS
183
5.7
FLANGE-TO-WEB CONNECTION
183
5.8
STIFFENERS
187
5.9
SPLICES
194
5.9.4
DESIGN
200
5.10
BRIDGE BRACINGS
203
5.11
BRIDGE BEARINGS
208
5.12
DESIGN EXAMPLE
218
6: COMPOSITE PLATE GIRDER BRIDGES
6.1
GENERAL
240
6.2
COMPONENTS OF COMPOSITE GIRDERS
243
6.3
DESIGN CONSIDERATIONS
245
6.4
SHEAR CONNECTORS
257
7: BOX GIRDER BRIDGES
7.1
INTRODUCTION
276
7.2
CROSS SECTION ARRANGEMENTS
278
7.3
BEHAVIOR OF BOX GIRDER BRIDGES
282
7.4
EFFECT BENDING
284
7.5
EFFECT OF TORSION
291
7.6
DESIGN EXAMPLE
306
8: TRUSS BRIDGES
8.1
TRUSS TYPES & CHARACTERISTICS
312
8.2
DESIGN OF TRUSS MEMBERS
318
8.3
GENERAL DESIGN PRINCIPLES
320
8.4
DESIGN OF TRUSS MEMBERS
322
8.5
DESIGN OF TRUSS CONNECTIONS
329