Stress Ribbon and Cable-supported Pedestrian Bridges

Contents Foreword vii
1 Introduction 1
1.1 Eurocode 11
2 Structural systems and members 13
2.1 Structural systems 13
2.2 Structural members 23
3 Design criteria 31
3.1 Geometric conditions 31
3.2 Loads 33
3.3 Dynamics 34
4 Cable analysis 41
4.1 Single cable 41
4.2 Bending of the cable 47
4.3 Natural modes and frequencies 52
5 Effects of prestressing 55
6 Creep and shrinkage of concrete 63
6.1 Time-dependent analysis 63
6.2 Redistribution of stresses between members of different age 66
6.3 Redistribution of stresses in structures with changing static systems 69
7 Stress ribbon structures 71
7.1 Structural arrangement 71
7.2 Prestressed band 72
7.3 Piers and abutments 79
7.4 Transferring stress ribbon force to the soil 81
7.5 Erection of the deck 86
7.6 Static and dynamic analysis 90
7.7 Special arrangements 101
7.8 Stress ribbon supported by arch 106
7.9 Structures stiffened by external tendons 113
7.10 Static and dynamic loading tests 119
8 Suspension structures 127
8.1 Structural arrangement 127
8.2 Erection of the structures 134
8.3 Static and dynamic analysis 141
9 Cable -stayed structures 155
9.1 Structural arrangement 155
9.2 Erection of the structures 159
9.3 Static and dynamic analysis 164
10 Curved structures 171
10.1 Suspension on the deck on both edges 171
10.2 Suspension of the deck on an outer edge 172
10.3 Suspension of the deck on an inner edge 173
10.4 Curved stress ribbon bridge 175
11 Examples 179
11.1 Stress ribbon structures 179
11.2 Suspension structures 213
11.3 Cable-stayed structures 240
Index 257