Progressive collapse performance of reinforced concrete buildings subjected to ground two-column removal scenario Da Luo (Visiting scholar), Liu Hua (PhD candidate) and Jian Zhao (Faculty Advisor)
Failure columns
Failure columns Hydraulic jack Steel assembly Load distribution tree Strong steel support 1/4P 1 2 3 4 1/12P P Failure columns
Plastic hinge Flexural cracks Plastic hingec
Concrete crashing Plastic hinge
A3 B3 C3 A4 B4 C4 0.000 -0.005 -0.050 -0.080 -0.150 -0.200 -0.250 -0.300 -0.350 -0.390 -0.100