声明
CHAPTER 1: INTRODUCTION
1.1 Overview of Steel- Concrete Composite System
1.1.1 Development of composite construction
1.1.2 Characteristics of Steel-Concrete Composite Girder
1.2 Typical Applications
1.3 Design Codes in Practice
1.4 Previous Study on Steel-Concrete Composite Box Girder
1.4.1 Experimental Study on Steel-Concrete Box Girder
1.4.2 Numerical Simulation Study on Steel-Concrete Box Girder
1.4.3 Simplified Calculation Method Advancement on Steel-Concrete Box Girder
1.5 Existing Problem and Main Work of This Research
CHAPTER 2: EXPERIMENTAL STUDY ON STEEL-CONCRETE COMPOSITE BOX GIRDER
2.1 Test Purpose and Content
2.2 Specimen Design and Construction
2.2.1 Specimen Design
2.2.2 Construction of Designed Specimen
2.3 Test Device and Loading Scheme
2.3.1 Test Equipment
2.3.2 Loading Scheme
2.3.3 Measurement Point Arrangement
2.4 Damage Propagation and Failure Analysis of Composite Beam
2.4.1 Load Application and Failure Characteristics of CBG1
2.4.2 Load Application and Failure Characteristics of CBG2
2.4.3 Load Application and Failure Characteristics of CBG3
2.4.4 Load Application and Failure Characteristics of CBG4
2.4.5 Load Application and Failure Characteristics of CBG5
2.4.6 Load Application and Failure Characteristics of CBG6
2.4.7 Comparison of Load Characteristics of each Specimen
2.4.8 Critical Load Obtained from Test
2.5 Longitudinal Strain Distribution of Composite Box Girder
2.5.1 Longitudinal Strain with Variation of Load
2.5.2Distribution of Longitudinal Strain along Vertical Section
2.6 Summary
CHAPTER 3: FINITE ELEMENT ANALYSIS OF STEEL-CONCRETE COMPOSITE BOX GIRDER
3.1 Introduction to Finite Element Analysis
3.1.1 Finite Element Approach
3.2 The Finite Element Program “ABAQUS”
3.3 Development FE Modeling
3.3.1 Geometric Modeling
3.3.2 Material Modeling
3.2.3 Meshing
3.2.4 Constraints and Boundary Conditions
3.2.5 Solving Nonlinear Equations
3.4 Analysis of Load- Displacement Curve Using FE Model
3.4.1 Load-Displacement Characteristic of Specimen CBG1
3.4.2 Load-Displacement Characteristic of Specimen CBG2
3.4.3 Load-Displacement Characteristic of Specimen CBG3
3.4.4 Load-Displacement Characteristic of Specimen CBG4
3.4.5 Load-Displacement Characteristic of Specimen CBG5
3.4.6 Load-Displacement Characteristic of Specimen CBG6
3.4.7 Comparison of Result
3.5 Strain Distribution
3.6 Summary
CHAPTER 4: PARAMETRIC ANALYSIS OF COMPOSITE CONTINUOUS BOX GIRDER
4.1 Introduction and Parameters Selection
4.2 Thickness of Steel Web
4.3 Thickness of Flange
4.4 Grade of Steel
4.5 Concrete Depth
4.6 Shear Connection
4.7 Summary
CHAPTER 5: SIMPLIFIED CALCULATION METHOD OF BENDING CAPACITY
5.1 Introduction
5.2 Calculation for Bending Moment Capacity of Composite Box Girder
5.3 Calculation and Comparison with Experimental Result
5.4 Summary
CHAPTER 6: CONCLUSIONS AND PROSPECTS
6.1 Main Conclusions
6.2 Recommendation for Further Study
参考文献
致谢
AUTHOR’S BRIEF INTRODUCTION
