Computer · Design of Steel Structures
In a propped cantilever steel beam designed for plastic redistribution, full plastic hinge formation is often not achieved when High-Strength Steel (HSS) is used. What is the primary material-related reason for this limitation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1HSS has a higher yield-to-tensile strength (fy/fu) ratio, reducing the rotation capacity before fracture✓
- 2HSS is inherently more susceptible to shear lag in the web
- 3The Young's Modulus of HSS is significantly lower than mild steel
- 4HSS cannot be welded, preventing continuous moment connections
Correct answer
HSS has a higher yield-to-tensile strength (fy/fu) ratio, reducing the rotation capacity before fracture
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