折線形鋼梁在豎向荷載做用下的截面應(yīng)力計算分析
【學(xué)位單位】:延邊大學(xué)
【學(xué)位級別】:碩士
【學(xué)位年份】:2018
【中圖分類】:TU391
【文章目錄】:
Abstract
摘要
Chapter 1 Introduction
1.1 Research background and significance
1.2 Research status at home and abroad
1.2.1 Research status abroad
1.2.2 Research status in China
1.3 The main content of this paper
Chapter 2 Experimental design of linear steel girder
2.1 Preface
2.1.1 Specimen design and production
2.1.2 Loading system
2.1.3 Load testing
2.1.4 Component failure/Failure modes
2.1.5 Failure scenario
2.1.6 Mechanical failure
2.1.7 Load-section strain experimental result
Chapter: 3 Theoretical Analysis of the Stress and Neutral Axis of the Broken linesteel beam
3.1 Preface
3.2 Test phenomena and damage patterns
3.2.1 Test phenomenon
3.2.2 Failure pattern
3.3 Theoretical analysis of the stress inheritance
3.3.1 Basic analysis of elastic-plastic bending
3.3.2 Stress distribution
ζ1'> 3.3.3 Ifζ2>ζ1
3.3.4 Ifζ2
3.3.5 Stress of the Beam under Limit State
3.4 Neutral axis positions
3.5 Chapter summary
Chapter 4: Bending, Neutral Axis and Stress Equations Calculation of the BeamLoad in Uniform Loaded Supported on Both Ends
4.1 Preface
4.1.1 Drawing the UDL
4.2 force
4.3 Theroretical analysis of the stress
4.3.1 Simple shear stress
4.3.2 Bending Stress
4.3.3 Procedures for determining bending stresses Stress at a Given Point
4.4 Neutral axis positions
4.5 Chapter summary
Chapter 5: Finite Element Simulation Analysis (FEA) of the Broken line steelbeam
5.1 Preface
5.2 Finite element method analysis process
5.2.1 Steel properties
5.2.2 The basic properties of steel
5.2.3 Model establishment and meshing
5.2.4 Boundary conditions
5.2.5 Applied load and convergence control
5.3 Finite element simulation results
5.3.1 Overall stress analysis
5.4 Position of Neutral Axis
5.5 Chapter summary
Chapter 6: Finite Element Modelling Analysis of a Steel Beam UniformingDistrubuted Load (UDL)
6.1 Preface
6.2 Steel properties
6.2.1 Stress Strain Curve or Diagram
6.2.2 Model establishment and meshing
6.2.3 Using New Meshing Features in ansys workbenchSimulation
6.2.4 Overall stress analysis
6.3. Position of the neutral axis
6.4 chapter summary
Chapter7. Comparison and Interpretation of the Results of the DifferentPrototype Steel Beams
7.1 Experimental and theorical comaparion Results
7.1.2 Experimental test results of the of the Broken line steel beam
7.2 Theoretical results of the Broken line steel beam
Chapter 8 Conclusion and Prospect
8.1 Conclusion
8.2 Looking ahead
References
Appendix A Thesis published during the master's degree study
Acknowledgements
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