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Proceedings Paper

Test The High Building Vibration And The Deformation During Earthquake by High Speed Camera With Moire Fringe Technique
Author(s): Rong-Seng Chang; Chin-Wu Lin
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Paper Abstract

To measure the building vibration and deformation during earthquake or tvphone by high speed camera or video camera with the telephoto lens is the simple, low cost method, and it can give us the two dimensional information as well. With the grid pattern painted on the building and pass this image through another grid plate to the camera will generate a moire pattern on the film. The change of the shape of moire pattern will give us the vibration and 3 D deformation information to a very high degree of precision order. The factors of film deformation, air fluctuation are also discussed.

Paper Details

Date Published: 2 November 1984
PDF: 4 pages
Proc. SPIE 0497, High Speed Photography, Videography, and Photonics II, (2 November 1984); doi: 10.1117/12.944485
Show Author Affiliations
Rong-Seng Chang, Chung Shan Institute of Technoloy (Rep.of China)
Chin-Wu Lin, Chung Shan Institute of Technoloy (Rep.of China)

Published in SPIE Proceedings Vol. 0497:
High Speed Photography, Videography, and Photonics II
Austin L. Vick, Editor(s)

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