声明
Abstract
Acknowledgements
Contents
List of Figures
List of Tables
Chapter 1 Introduction
1．1．1 Necessity of fiber reinforcements in concrete
1．1．2 Classification of FRCC
1．1．3 ECC design philosophy and characteristics
1．1．4 Micro-mechanics based design of ECC
1．1．5 Parameters affecting strain-hardening in PVA ECC
1．1．6 Interface tailoring for PVA-ECC
1．1．7 ECC applications
1．2 Motivation and Research objectives
1．3 Outline
Chapter 2 Interface characterization by single fiber pull-out
2．1 Introduction
2．1．1 Theoretical Strength and Fracture Based Models
2．1．2 General Pull-out Curve Profile and Result Interpretation
2．2 Experimental work
2．2．2 Preparation of pull-out specimens
2．2．3 Fiber oiling scheme
2．2．4 Single fiber pull-out test setup
2．3 Results and Discussion
2．4 Summary
Chapter 3 Performance evaluation of domestic PVA fiber reinforced cementitious composites
3．1 Introduction
3．2 Study of treated PVA fibers composites on flex-ural behavior
3．2．1 Experimental work
3．2．2 Results and discussion
3．3 Study of matrix modification on flexural behav-ior
3．3．1 Experimental work
3．3．2 Sample preparation and testing method
3．3．3 Results and discussion
3．4 Summary
Chapter 4 Experimental and numerical study on tensile behavior of surface modified PVA fiber SHCC
4．1 Introduction
4．2 Micromechanics based design theory
4．3 Experimental program
4．3．1 Material details
4．3．2 Sample preparation and configuration
4．3．3 Machine gripping for tensile specimens
4．4 Results and discussion
4．4．1 Single Fiber Pull-out
4．4．2 Finite element analysis of single fiber pullout
4．4．3 Tensile composite test
4．4．4 Cost Analysis
4．5 Summary
Chapter 5 Conclusion and future recommendations
5．1 Conclusion
5．2 Future recommendations
Appendix A Analytical modeling of fiber bridging
A．0．1 Single fiber pullout behavior
A．0．2 Two-way fiber pull-out
A．0．3 Fiber crack-bridging
Appendix B Symbols
B．1 Chapter 1：Introduction
B．2 Chapter 2：Single fiber pull-out
B．3 Chapter 3：Flexural strength
B．4 Chapter 4：Tensile strength
Appendix C Derived Publications
Bibliography
