Structural Renovation in Concrete

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Structural Renovation in Concrete

Contents

List of figures vii
List of tables xi
Preface xii
1 Introduction 1
1.1 Building and infrastructure degradation 2
1.2 Common causes of structural degradation 2
1.3 The objectives and scope of renovation engineering 5
1.4 Useful definitions 6
2 Degradation of reinforced concrete structures 8
2.1 Degradation caused by non-uniform dimensional changes 9
2.2 Degradation caused by repeated loading 19
2.3 Degradation caused by lack of durability 25
2.4 Degradation caused by disasters 62
3 Inspection and evaluation 76
3.1 Preliminary investigation 79
3.2 Detailed investigation and evaluation 83
3.3 Non-destructive tests 86
3.4 Reflected and transmitted waves 118
3.5 Concrete strength assessment 121
3.6 Surface cracking measurement 127
3.7 Assessment of fire damage to concrete 129
3.8 Bridge assessment 132
3.9 Reinforced steel corrosion assessment 138
4 Conventional repair and strengthening techniques 147
4.1 Principal considerations of repair and strengthening
techniques 148
4.2 Repair materials 152
4.3 Repair techniques 177
4.4 Strengthening techniques 235
5 Glass fiber reinforced plastics components for
bridge deck replacement 243
5.1 Introduction 243
5.2 Materials 244
5.3 Fabrication process and example systems 245
5.4 Analysis of FRP bridge deck members 251
5.5 Analysis of composite sections 273
5.6 Summary 277
6 Strengthening of reinforced concrete structures
with fiber reinforced polymers 278
6.1 Introduction 278
6.2 Structural strengthening with bonded fiber reinforced
polymer (FRP) 280
6.3 Flexural strengthening of beams 290
6.4 Design of beams strengthened in flexure 301
6.5 Shearing strengthening of beams 314
6.6 Strengthening of concrete columns 321
6.7 Summary 327
Bibliography 328
Index 342