Why do I need APC (Anti-Progressive Collapse) rebars in TAB-Slab™ applications?
APC-rebars are included to avoid anti-progressive collapse of a structure. After the events of September 11, 2001, where the floors of the WTC towers collapsed within seconds one after the other, the placement of such rebars became mandatory in North America. APC rebars are additional rebars, which are not taken into account for the bearing behaviour of the normal RC or SFRC structure. Their only purpose is to prevent the so-called progressive collapse. AS ArcelorMittal conducts business worldwide the decision was made to use APC rebars in all TAB-Slab™ structures to avoid differences from country to country with a view to continuity in design and construction.
