Predicting Human Instability in Flood Flows

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by S. R. Abt, Colorado State Univ, United States,
R. J. Wittler, Colorado State Univ, United States,
A. Taylor, Colorado State Univ, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering:

Abstract: The delineation of high flood hazard zones within a flood plain is usually independent of the parameters that constitute a life threatening situation. In order to define human instability in high flow hazard areas, a study was conducted to identify when an adult human could not stand or maneuver in a simulated flood flow. A series of human subjects (90-201 lbs) were placed in a recirculating flume and tested to determine the velocity and depth of flow which caused instability. A relationship was developed to estimate the product number at which a human subject becomes unstable as a function of the height and weight of the subject.

Subject Headings: Human factors | Flow simulation | Flood plains | Flumes | Water flow | Parameters (statistics) |

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