👉 Types of Structural Steel Sections

🌟 Overview

• Structural steel sections are shaped and rolled to handle specific loads
• Widely used in frames, bridges, warehouses and high-rise buildings
• Section type affects strength, stability and construction speed

🛠 I-Section (or H-Beam)
• Looks like the capital letter "I" in cross-section
• Used in columns and beams for bending resistance
• Efficient in carrying vertical loads and flexural forces

📐  T-Section (Tee Beam)
• Formed by cutting an I-beam vertically
• Ideal for secondary beams and lintels
• Not strong in lateral torsion but easy to fabricate

📦 L-Section (Angle Section)
• Shaped like the letter "L" with equal or unequal legs
• Common in trusses, bracing systems and towers
• Simple, cost-effective and useful for edge connections

🌍 Hollow Structural Sections (HSS)
• Includes circular, square and rectangular tubes
• Light weight and strong in compression and torsion
• Ideal for frames, poles and aesthetic designs

⚠️ Application in Ethiopia
• EBCS standards recommend I and H sections for most public infrastructure
• L and T sections commonly used in pedestrian bridges and telecom towers
• Hollow sections gaining popularity in urban projects like malls and parking structures

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