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Design procedure for out-of-plane response control of a cantilevered RC wall connected by roller supports to metal spatial roof was proposed. This design procedure is carefully formulated based on Japanese structural engineer's practice. The design equation is derived from both equivalent linear approach simulating damping effect and distributed parameter system where a cantilevered RC wall is modeled as single beam or single plate. The accuracy is validated against numerical simulations of damaged school gymnasia and a shake table testing of 1/2.5-scaled model of school gymnasium.

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