Roles of Large Structural Testing for the Adavancement of Earthquake Engineering

Abstract eng:
The paper touched upon three issues in earthquake engineering. First, the earthquake threat of Japan is briefly introduced, followed by a discussion on the critical needs of collapse characterization and performance verification. Second, benefits of large-scale structural tests are discussed in terms of the size effect, rate-of-loading effect, redundancy effect, and effectiveness of numerical analyses. These benefits draw a statement such that it is sensible to test structures in the full-scale instead of miniatures, as systems instead of members, loaded dynamically instead of quasi-statically, until collapse instead of mild inelasticity. Third, the development of E-Defense, a very large shaking table facility, is presented, and previous and ongoing research projects using large-scale test specimens are introduced.

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