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Motion-induced Wind Forces Acting on Rectangular High-rise Buildings with Side Ratio of 2 by J. Katagiri; T. Ohkuma; H. Marikawa is a Engineering article available to read on EtoBox.

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This paper presents characteristics of motion-induced wind forces acting on a rectangular high-rise building with a side ratio of 2 during across-wind and torsional vibration. The motion-induced wind forces are measured by a forced-vibration method in a wind tunnel. Results are as follows; (1) The characteristics of motion-induced modal wind force acting on a high-rise building with a side ratio of 2 during turbulent flows are different from those during a uniform smooth flow for reduced wind speed of 7 or more. (2) The wind speed in which the out-of-phase component of motion-induced wind forces show a positive value during turbulent flows is limited to the vicinity of 5 for the reduced wind speed for across-wind vibrations. In the case of the motion-induced torsional moment, the positive value of out-ofphase components is shown in the wind speed area where the reduced wind speed is 5 or more. (3) The aerodynamic dampings obtained from the out-of-phase components of motioninduced modal wind force are in agreement with those from elastic model test. And the wind responses of a building obtained from wind response analysis using the aerodymanic dampings are in agreement with those ob

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Author

J. Katagiri; T. Ohkuma; H. Marikawa

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0167-6105)

Published

2001

Language

EN

Field

Engineering (Physical Sciences)