Experimental Study on Progressive Collapse Performance of Frame with Specially Shaped Columns Subjected to Middle Column Removal

<div>Schematic diagram of loading equipment. (Note: 1. column; 2. load-carrying beam; 3. girder; 4. box girder; 5. servo-hydraulic actuator; 6. steel plate.)</div>

Shock and Vibration

fig5

Figure 5

Figure 5: Experimental Study on Progressive Collapse Performance of Frame with Specially Shaped Columns Subjected to Middle Column Removal 