A full-scale six-story steel building was constructed and tested as part of theU.S./Japan Cooperative Earthquake Research Program Utilizing Large Size Testing Facilities.The program was jointly funded by the Ministry of Construction of Japan and the UnitedStates National Science Foundation. The overall objective of the program is to improveseismic safety in practice and to determine the relationships among full-scale tests,small-scale tests, component tests and analytical studies.The full-scale building was 15m square in plan and measured 22.38m from the testfloor to the top of the roof girders. It was tested as a concentric braced frame;repaired and tested as an eccentric braced frame; tested as a moment frame; and finally,tested with cladding and other nonstructural elements installed. The tests were conductedusing the pseudodynamic testing technique which simulated actual seismic loadings. Thispreliminary report describes the full-scale building and the testing program and presentspreliminary results and conclusions.
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