Single Skin and Double Skin Concrete Filled Tubular Structures

Analysis and Design

1st Edition - December 2, 2021
Authors: Mohamed Elchalakani, Pouria Ayough, Bo Yang
Language: English
Paperback ISBN:
9 7 8 - 0 - 3 2 3 - 8 5 5 9 6 - 9
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 9 0 3 6 0 - 8

Steel-concrete composite structures, including concrete-filled steel tubular (CFST) structures and concrete-filled double skin steel tubular (CFDST) structures, have seen a si… Read more

Single Skin and Double Skin Concrete Filled Tubular Structures

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Steel-concrete composite structures, including concrete-filled steel tubular (CFST) structures and concrete-filled double skin steel tubular (CFDST) structures, have seen a significant increase in use in the modern construction industry due to their superior structural performance compared to conventional steel bare sections and reinforced concrete (RC) structures. Single Skin and Double Skin Concrete Filled Tubular Structures presents state-of-the-art in CFST and CFDST structures and their performance under various static loading conditions. The book establishes a foundation for understanding the structural performance of composite structures by discussing the behavior of CFST and CFDST structures based on experimental and finite element (FE) investigations. Besides, numerical and analytical methods for investigating the behavior of CFST and CFDST structures are presented in detail. The title offers many design examples following international design codes, including North American design guidelines ANSI-AISC 360, European design regulations Eurocode 4, and Australian design code AS 5100. The title can be used for the practical use of civil engineers and as a resource for further research.

Cover image
Title page
Table of Contents
Copyright
Acknowledgments
Chapter 1. Introduction
1.1. Introduction
1.2. Advantages of CFST and CFDST members
1.3. Erection of CFST and CFDST columns
1.4. Applications of composite members
1.5. International design guidelines
1.6. Material
Chapter 2. Experimental tests
2.1. Introduction
2.2. Cross-sectional shapes
2.3. Experiments
2.4. Effective parameters
2.5. Failure modes
2.6. Stiffeners in composite columns
2.7. Size effects
2.8. Hollow ratio
2.9. Effects of the confinement factor
2.10. Effects of the material properties
2.11. Load eccentricity
2.12. The role of the inner steel tube
2.13. Material imperfections
2.14. Effects of preload and long-term sustained load
Chapter 3. Analytical methods
3.1. Introduction
3.2. Stress–strain response of materials
3.3. Creep model for concrete
3.4. Creep analysis of CFST columns
3.5. A constitutive model for computing the lateral strain of confined concrete
3.6. Axial and lateral stress–strain response of CFST column
3.7. An analytical axial stress–strain model for circular CFST columns
3.8. Path dependent stress–strain model for CFST columns
3.9. Elastic-plastic model for the stress–strain response of CFST columns
3.10. Strength enhancement induced during cold forming
Chapter 4. Numerical methods
4.1. Introduction
4.2. Numerical modeling of confined concrete
4.3. Investigating the behavior of composite members through numerical analysis
Chapter 5. Design rules and standards
5.1. Limitations of design regulations on the strength of materials and section slenderness
5.2. Compressive design strength of composite members based on design guidelines
5.3. Moment design strength of composite members based on design guidelines
5.4. CFST members under combined axial loading and bending
5.5. Strength of composite members based on research works
5.6. Local buckling of steel plates
5.7. Further discussion on local buckling of steel plates in rectangular CFST columns under axial compression
5.8. Compressive strength of CFST stub columns with stiffeners
5.9. Compressive strength of CFST stub columns with local corrosions
5.10. Strain compatibility between the steel tube and the concrete core
Chapter 6. Future research
6.1. Introduction
6.2. Material properties
6.3. Geometric properties
6.4. Nonuniform confinement
6.5. Fire performance of composite members
6.6. Stiffened composite members
6.7. Environmentally sustainable material
Index

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Single Skin and Double Skin Concrete Filled Tubular Structures

Analysis and Design

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Mohamed Elchalakani

Pouria Ayough

Bo Yang