When the fire burns uncontrolled for a long period of time in this apartment which contains concrete slabs and permanent steel formwork. The suspended floors, formworks and ceilings can be burned down and destroyed by the Servia flames and heat from the under level. Dunn (1996) explains The floor will buckle and heaves upward at the hottest part during a fire. Concrete above the steel formwork can heaves upward six inches or more. Then the floor crakes and the flames will come up through the cracks.
In 1991, there is a fire accident at the One Meridian Plaza Fire in Philadelphia, fire and heat travels up through cracks in the concrete floor. A witness describes: "First, the floor above the fire filled up with smoke, heat, and combustible gases.
In 1991, there is a fire accident at the One Meridian Plaza Fire in Philadelphia, fire and heat travels up through cracks in the concrete floor. A witness describes: "First, the floor above the fire filled up with smoke, heat, and combustible gases.