Transient Response of Wind-Induced Internal Pressures in Buildings

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by Theodore Stathopoulos, Concordia Univ, Montreal, Que, Canada,
Horia D. Luchian, Concordia Univ, Montreal, Que, Canada,

Document Type: Proceeding Paper

Part of: Dynamics of Structures

Abstract: The paper refers to a new experimental approach applied in a boundary layer wind tunnel experiment to test the transient response of the wind-induced internal pressure in a building when a sudden opening, e. g. due to a breakage of a window, occurs. The present study examines this question experimentally by imposing a sudden opening on the front wall of a square building. This is achieved by burning a polyethylene membrane through an electrically heated conducting loop. The internal pressure was monitored at a number of points inside the model building. The results of the experiments are compared with the analytically predicted data and form the basis to examine the influence of the flow and the internal volume on the transient response of the wind-induced internal pressures in buildings.

Subject Headings: Transient response | Wind forces | Dynamic structural analysis | Wind pressure | Wind tunnel | Transient flow | Building design | Boundary layers |

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