1. Impact Loading on Structures: Custom-designed impact test setup (gas-gun based), full-scale lateral impact experiments, effect of projectile deformability, and finite element simulations of impact loading.
2. Material Characterization under Extreme Loading: Development of experimental setup for material characterization, coupon testing at various strain rates and elevated temperatures, and development of constitutive and damage models for extreme loading scenarios.
3. Condition Assessment and Residual Capacity: Use of 3D digital image correlation (DIC) for damage quantification, and development of methodologies to estimate post-damage residual capacities.
4. Fire Loading on Structures: Experimental studies on fire behavior of concrete-filled steel tubes (CFST) and FRP-reinforced concrete members.