Value-Added 5-Story Steel Frame and Its Components: Part 1 – Full-Scale Damper Tests and Analyses

Abstract eng:
Realistic three-dimensional shaking table tests will be conducted in February and March 2009 for full-scale 5-story building specimens with dampers. The building will be tested repeatedly, inserting and replacing each of 4 damper types, i.e., steel damper, oil damper, viscous damper, and viscoelastic damper. The shaking table test uses 16 dampers for each damper type. Extensive preliminary analyses and experiments have been conducted. For each damper type, 3 different capacities ranging approximately from 400 kN to 1,800 kN were tested, and correlated with analyses using the numerical models being recognized as the most accurate and practical among those available. The 5-story building with each damper type was also analyzed statically and dynamically. According to the results, the deformation of the building will be kept small even against the strong ground motion recorded during the 1995 Kobe earthquake. This paper explains such preliminary investigations as well as the blind analysis contest to be held regarding the performance of the 5-story building.

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