本教材着重讲述钢结构的基本原理，依据现行《钢结构设计标准》GB 50017-2017进行编写。本教材主要介绍土木工程建设项目中遇到的钢结构基本原理，对钢结构使用的材料、连接方式、基本构件进行了说明，介绍了钢结构的破坏模式、计算原理和计算方法、节点和构件抗震性能。本教材通过钢结构基本原理核心知识的介绍，让留学生了解和掌握我国钢结构设计的基础理论和基本设计方法。教材编写时突出原理，注重培养叙述分析问题和解决问题的思路。

Chapter 1 Introduction
1.1 Characteristies of steel structures
1.2 Application and development of steel structures in China
1.3 Loads and building codes
1.4 Structural forms,members, and connections of steel structures
1.4.1 Structural forms
1.4.2 Classification of members and connections of steel structures
Thinking questions
Chapter 2 Material Properties of Structural Steel
2.1 Characteristics of steel under uniaxial tension
2.1.1 Stress-strain curves
2.1.2 Ductility, plasticity and yield-to-tensile strength ratio
2.1.3 Performance of steel plate along the thickness direction
2.2 Performance of steel under uniaxial repeated or cyclic stress
2.3 Performance of steel under complex stress
2.4 Impact resistance and cold bending performance of steel
2.4.1 Impact resistance of steel
2.4.2 Cold bending performance of steel
2.5 Weldability of steel
2.6 Corrosion resistance of steel
2.7 Failure modes of steel
2.7.1 Brittle fracture of steel
2.7.2 Fatigue failure of steel
2.7.3 Cumulative damage
2.8 General factors affecting steel properties
2.8.1 Influence of chemical composition
2.8.2 The impact of steel production process
2.8.3 The effect of aging
2.8.4 The effect of cold-working hardening
2.8.5 Influence of temperature
2.8.6 Influence of stress concentration
2.9 Classification of structural steel
2.9.1 Varieties and grades of steel
2.9.2 Steel varieties and levels of other country
2.9.3 Principles of steel selection
2.10 Cross-sectional shape of structural steel
2.10.1 Steel plate
2.10.2 Shape steel
2.10.3 Cold-formed thin-walled section steel
Thinking questions
Exercises
Chapter 3 Possible Failure Modes of Steel Structures
3.1 Overall instability of steel structures
3.1.1 Concept of stability
3.1.2 Categories of structure instability
3.1.3 Principles of structural stability analysis
3.1.4 Overall instability of steel structures
3.1.5 Overall instability of steel members
3.2 Local instability and classification of cross sections
3.2.1 Concepts of local instability
3.2.2 The correlation between local stability and overall stability
3.2.3 Classification of cross sections
3.3 Plastic failure and plastic redistribution of steel structures
3.3 .I Plastic failure of structure
3.3.2 Plastic redistribution of stress
3.3.3 Plastic redistribution of internal force
3.4 Fatigue failure of structures
3.4.1 Phenomenon of fatigue failure
3.4.2 Factors affecting fatigue strength
3.4.3 Determination of fatigue strength
3.4.4 Measures to improve fatigue strength and fatigue life
3.4.5 Residual life estimation for the structures after fatigue cracks
3.5 Cumulative damage of structures
3.6 Brittle fracture failure of the structures
3.6.1 Brittle fracture failure and its affecting factors
3.6.2 Measures to prevent brittle fracture
3.7 General idea of preventing various failures to steel structures
Thinking questions
Exercise
Chapter 4 Basic Design Method of Steel Structures
Chapter 5 Welded and Bolted Connections of Steel Structures
Chapter 6 Axially Loaded Members
Chapter 7 Flexural Members （Beam）
Chapter 8 Tension-flexure and Compression-flexure Members
Chapter 9 Seismic Performance of Steel Members and Joints
References
Appendix