chapter 4 design of tension members structural steel design, fifth edition, mccormac and csernak,...
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Chapter 4
Design of Tension Members
Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 1
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Selection of Sections
• Loads to be carried• Compactness• Fit with other members• Maximum connectability
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Bolted connection probable section:
• Angles• Channels• W or S sections
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Welded connection probable section:
• Plates• Channels• Structural Tees
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Code requirements to be checked
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Additional Code Requirement
• AISCS D.1 : L / r < 300 – Ratio of unsupported length to least radius of
gyration– Enough stiffness to control deflection and
vibration– Not for rods
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Design process: (trial-and-error)
1. Estimate required area2. Select a section from the AISCM Aprovided
3. Check the section's strength4. May try a slightly larger or slightly smaller
section as required5. Repeat the checking process
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• Consider , then• Gross area required: minimum of
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ASD Approach
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