کتاب The Importance of Designing Lightweight Steel Structures in Sustainable Construction

Chapter 1 5
The Role of Lightweight Steel in Today’s Construction Challenges 5
Global Construction Trends and Material Demands 5
Why Weight Reduction Has Become a Design Priority 9
Environmental Pressures Shaping Structural Choices 13
Lightweight Steel as a Response to Urbanization 17
Overview of Opportunities and Limitations in Practice 21
Chapter 2 25
Material Characteristics of Lightweight Steel Systems 25
Mechanical Behavior Under Reduced Mass 25
Strength-to-Weight Ratio and Its Design Implications 28
Durability and Corrosion Resistance Considerations 31
Thermal and Acoustic Performance Characteristics 34
Comparison with Conventional Structural Materials 37
Chapter 3 41
Structural Performance and Load Behavior 41
Load Distribution in Lightweight Steel Frames 41
Buckling, Stability, and Slenderness Effects 44
Dynamic Response to Wind and Seismic Loads 46
Fatigue Performance in Long-Span Applications 49
Serviceability Criteria and Deflection Control 52
Chapter 4 55
Design Principles for Lightweight Steel Structures 55
Conceptual Design Strategies for Weight Optimization 55
Member Sizing and Cross-Section Selection 58
Connection Design for Lightweight Systems 60
Modularity and Prefabrication-Oriented Design 63
Integration with Architectural Requirements 66
Chapter 5 69
Sustainability Metrics in Lightweight Steel Construction 69
Embodied Energy and Material Efficiency 69
Life-Cycle Assessment of Steel Structures 71
Carbon Footprint Reduction Through Weight Minimization 74
Recyclability and Circular Economy Benefits 77
Environmental Performance Benchmarking 80
Chapter 6 84
Construction Methods and On-Site Efficiency 84
Prefabrication and Off-Site Manufacturing 84
Transportation and Handling Advantages 88
Speed of Erection and Labor Optimization 91
Safety Improvements Due to Reduced Structural Weight 93
Construction Waste Reduction Strategies 96
Chapter 7 100
Economic Considerations and Cost Optimization 100
Initial Material and Fabrication Costs 100
Construction Time and Labor Cost Savings 102
Maintenance and Long-Term Economic Performance 105
Cost Comparison with Traditional Steel Structures 107
Value Engineering in Lightweight Design 110
Chapter 8 114
Codes, Standards, and Design Regulations 114
International Standards for Lightweight Steel Structures 114
Sustainability Requirements in Modern Building Codes 117
Design Limitations Imposed by Regulations 120
Performance-Based Design Approaches 123
Future Trends in Code Development 126
References 130