QUINCY, Mass.—Cloud ceilings—drop ceilings that don't extend all the way to perimeter walls—are increasingly popular in commercial and industrial buildings. But for fire protection, is a sprinkler ...

Keywords: Nonstructural components (NSC). Suspended ceiling systems. Experimental tests. Shaking table tests. Dynamic behaviors. SAP2000. Roofing systems. Floor motions. Wall distortions. Analytical ...