What type of collapse may occur when a heavy load is concentrated near the center of a floor?

The V-shaped collapse is characterized by a scenario in which a significant load is positioned near the center of a floor, leading to a localized failure. This type of collapse typically occurs when the weight causes the floor to sag significantly under the pressure, creating a shape that resembles the letter "V" as the structure fails inwards towards the load.

In structural engineering and fire service operations, recognizing this pattern is crucial for assessing the stability of floors under heavy loads, especially in scenarios like fire situations where structural integrity can be compromised. Understanding the dynamics of weight distribution is important for firefighters to navigate safely within a building during emergency operations.

The other types of collapses mentioned—Butterfly, Domino, and Box—have different characteristics and mechanics. The Butterfly collapse usually involves simultaneous failure of adjacent structural components, the Domino collapse describes a chain reaction of failures, and the Box collapse pertains to the overall failure of rectangular spaces within the structure. Each of these collapse types is tied to specific loading patterns and failure mechanisms that differ from the V-shaped scenario.