Seismic performance of circular and square UHPC-filled stainless-steel tubular columns

Key Points

• Seismic performance of tubular columns with ultra-high performance concrete is enhanced, ensuring structural safety.
• Tests show that columns filled with ultra-high performance concrete offer superior support during seismic events compared to traditional materials.
• Analysis of seismic behavior of circular and square stainless steel tubular columns reveals differences in strength and durability.
• Findings highlight the need for innovative materials in construction to improve earthquake resilience.