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Okuda, Takahiro; Takahashi, Hideki*; Morishita, Masaki
no journal, ,
This study describes the results of a series of seismic analyses conducted to clarify how plastic deformation of a pipe and its support structures affects the seismic response of the entire piping system. The analyses conducted include; plasticity is considered for (1)the support structure only, (2)the piping only and (3)both the piping and the support structure.
Okuda, Takahiro; Watakabe, Tomoyoshi; Morishita, Masaki; Takahashi, Hideki*
no journal, ,
This paper describes the results of a series of seismic analyses conducted to clarify how plastic deformation of a pipe and its support structures affect the seismic response of the entire piping system. The first analyses include; plasticity is considered for (1) none, (2) the piping only, (3) the support structure only and (4) both the piping and the support structure. The second analyses are parametric survey of yield load and post yield stiffness of the restoring force characteristics of support structures. The results of the first analyses have revealed important implications on the seismic design of piping systems by elastic-plastic response analysis.
