文摘
英文文摘
Acknowledgements
1 INTRODUCTION
1.1 PREVIOUS RESEARCH ON SHEAR WALL COUPLING BEAMS
1.1.1 T.Paulay and JR.Binney's research
1.1.2 Theodosios P.Tassios，Marina Moretti，and Antonio Bezas
1.1.3 Luciano Ualano and Andrea Vignoli
1.1.4 G.G Penelis and I.A.Tegos
1.1.5 Liu，Q.S.and Liang Xingwen.Xian U.of Architecture and Technology
1.1.6 Zhao Jielin，Bai Shaoliang and Fu Jianping Chongqing University
1.2 RESEARCH PRESENTATION
1.2.1 Outline
1.2.2 Objectives
2 FUNDAMENTALS OF NONLINEAR ANALYSIS OF REINFORCED CONCRETE
2.1 STAGES OF REINFORCED CONCRETE
2.2 BASIC PROPERTIES OF CONCRETE AND STEEL
2.2.1 Concrete
2.2.2 Steel bars
2.2.3 Ductility in reinforced concrete
2.3 MATHEMATICAL MODELING OF CONCRETE AND STEEL
2.3.1 Introduction
2.3.2 Failure criteria of concrete
2.3.3 Fundamental concepts of the flow theory of plasticity
2.4 FINITE ELEMENT APPROXIMATIONS
2.4.1 Principle of virtual work-Equilibrium Equations
2.4.2 Implementation of the flow theory of plasticity
2.4.3 Numerical technique for solving the nonlinear equations
2.5 ANSYS
2.5.1 Reinforced Concrete Solid
2.5.2 Steel Reinforcement-Link 8
3 PERFORMANCE OF SHEAR WALL COUPLING BEAMS WITH DIFFERENT REINFORCEMENT LAYOUTS
3.1 FORCES DISTRIBUTION IN THE COUPLING BEAMS
3.2 NUMERICAL SIMULATION
3.2.1 Shear wall and coupling beam description： geometry and materials
3.2.2 Load and boundary conditions
3.3 COUPLING BEAM WITH DIFFERENT REINFORCEMENT LAYOUTS
3.3.1 Layout #1： Standard layout coupling beam
3.3.2 Layout #2： Simple-diagonal-layout coupling beam
3.3.3 Layout #3： Rhombic layout coupling beam
3.3.4 Layout #4： Diagonal-with-transversal-ties coupling beam
3.4 COMPARATIVE ANALYSIS OF REINFORCEMENT LAYOUTS IN COUPLING BEAMS
3.4.1 Coupling beam load-displacement curves
3.4.2 Comparison among different reinforcement layouts at Fy
3.4.3 Comparison among different reinforcement layouts at Fu
3.4.4 Volumetric ratio analysis
3.5 OPTIMAL VOLUMETRIC RATIO OF STEEL REINFORCEMENT AS RHOMBIC LAYOUT
3.6 CONCLUSIONS CHAPTER 3
4 CASE STUDY
4.1 DESCRIPTION
4.1.1 Building floor plan
4.1.2 Shear wall vertical plan
4.1.3 Shear wall： materials and geometry
4.1.4 Coupling Beams
4.1.5 Load application
4.1.6 Modeling in Ansys
4.2 RESULTS ANALYSIS
4.2.1 Shear wall with standard coupling beams
4.2.2 Shear wall with rhombic layout coupling beams
4.3 COMPARATIVE ANALYSIS BETWEEN SHEAR WALL STANDARD COUPLING BEAM AND SHEAR WALL RHOMBIC LAYOUT COUPLING BEAM
4.3.1 Base shear and roof displacement relationship
4.3.2 Displacement
4.3.3 Crack propagation
4.3.4 Stress distribution
4.3.5 Steel axial stress
4.4 CONCLUSION CHAPTER 4
5 CONCLUSIONS AND SUGGESTIONS
5.1 CONCLUSIONS
5.2 SUGGESTIONS
REFERENCES
CURRICULUM VITAE
学位论文数据集
