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동의어 포함
Title Page
Abstract
Contents
1. Introduction 9
1.1. Overview 9
1.2. Literature review 12
1.3. Research objective and scope 15
2. Rotational capacity of beams with high strength steel 17
2.1. Introduction 17
2.2. Current specifications 19
2.2.1. AASHTO LRFD Appendix B6 19
2.2.2. Eurocode3 Class 1 22
2.3. Theoretical derivation of the available rotational capacity 22
2.3.1. Available rotational capacity 22
2.3.2. Optimum bracing point 26
2.4. Experimental study 29
2.5. Parametric study 35
2.5.1. Model overview and verification of FE model 35
2.5.2. Description of models for parametric study 37
2.5.3. Comparison of predicting rotation capacity 39
2.5.4. Comparison of optimum bracing point 44
2.5.5. Comparison of previous research 45
2.6. Summary 47
3. Moment redistribution of continuous composite beams with high strength steel 48
3.1. Introduction 48
3.2. Available and required rotational capacity 49
3.2.1. Available rotational capacity 49
3.2.2. Required rotational capacity and failure load 52
3.3. Experimental study 60
3.4. Additional verification of available rotation capacity 63
3.4.1. Finite element model overview 63
3.4.2. Parametric study and discussion of analysis results 66
3.5. Summary 69
4. Rotational capacity of beam-column with high strength steel 71
4.1. Introduction 71
4.2. Rotational Capacity of Steel Beam-column 72
4.2.1. Effective plastic moment of beam-column 72
4.2.2. Theoretical derivation of the available rotational capacity 78
4.2.3. Experimental study 79
4.2.4. Parametric study 84
4.3. Rotational capacity of composite beam-column 88
4.3.1. Effective plastic moment of composite beam-column 88
4.3.2. Theoretical derivation of the available rotational capacity 94
4.3.3. Parametric study 99
4.4. Summary 101
5. Ultimate behavior of stiffened girder for cable-stayed bridges with high strength steel 103
5.1. Introduction 103
5.2. Analysis model of cable-stayed bridges 106
5.2.1. Finite element analysis model overview 106
5.2.2. Geometric nonlinear analysis of cable-stayed bridges 109
5.3. Ultimate behavior of cable-stayed bridges 112
5.4. Summary 116
6. Conclusions 117
Appendix 120
Notations 126
References 130
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