| 英文摘要 |
A full-scale two-storey braced frame was constructed at the National Center for Research on Earthquake Engineering(NCREE), Taiwan. This research belongs to a cooperative research program between Taiwan and the US on concentrically braced frame system. This test is the first of a series of large scale frame tests which will be conducted in NCREE. The test specimen is a single bay two-storey concentrically braced frame, where the braces were arranged in a multi-storey cross-brace configuration. A500 steel tubes were used for these braces. The frame is 6.7meters wide and 6.66 meters high. After the first stage of test, the specimen does not have any significant fracture except those at the four braces. Thus, four new H-shape braces were installed in the specimen to replace the damaged tube braces, and re-test was done subsequently. Large out-of-plane displacement and local buckling of braces were observed in both phase of the test. But still, there were no any severe facture found on beams and columns of specimen. This paper contains the introduction of specimen, instrumentation plan, and preliminary test results. |
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