[PDF] Top 20 Floor Response Spectrum Analysis of Base Isolated Nuclear Power Plant and Estimation from Simplified Model

... The base Isolation system is one of the most popular and useful devices to protect a structure against seismic loading (Datta ...superstructure from its substructure that is subjected to the ground ...the ... See full document

... and base-isolated reactor buildings under blast loadings, including air blast and blast-induced ground ...attenuation model for rock response. Response-history analysis of the ... See full document

... the analysis model with the calculated results from observation records for ...the analysis model was slightly shorter than that of the observation records, it represents the transfer ... See full document

... seismic response analysis was carried out in this study by modifying NRC-BNL benchmark model ...actual nuclear structure and piping system. The modified model is shown in Figure ... See full document

... for response analysis, we proposed a method of setting a limit state of seismically isolated NPPs buildings, and identified uncertainty factors in the seismic behaviour (or response) of the ... See full document

... stochastic response database is a device that can estimate the maximum seismic response distributions of isolated structures without seismic response ...stochastic response database is ... See full document

... as nuclear power plants ...fragility analysis of a base-isolated structure under the spatially varying ground ...the base- isolated NPP with a total height of ...stick ... See full document

... dynamic response of piles. When performing seismic response analysis of the pile foundation, the multi-support (non-uniform) ground motion excitations, which generated from the free field site ... See full document

... the analysis and design of important structures, in particular of a nuclear power plant, specification of design response spectra is associated with different codes of practice and ... See full document

... SSI analysis on the example model defined at previous section without base isolators, and a SSI analysis on the example model with base isolators having equivalent ...is ... See full document

... An open source code, OpenSEES, developed by University of California at Berkeley, was employed to construct the MDOF mass-spring model. As shown in Figure.1, the model consists of the safety shell, internal ... See full document

... With the introduction of isolation, there is a significant change in the accelerations at the key locations. This can be seen in Figures 4 to 6. For the hard rock scenarios, there is an amplification of the ground motion ... See full document

... First of all, the highest stress point that has the largest possibility of the fatigue failure is determined from the stress analysis of the pool cover (Table 4, service level B). For the conservative ... See full document

... Dynamic) model using the LES (Large Eddie Simulation) is used to calculate the fire’s development and the spread of the combustion products in the ...hazardous plant, e.g., a power or chemical ... See full document

... modeling analysis was intended to investigate the feasibility of applying seismic base isolation onto both precast frame structures as well as load-bearing wall ...Apart from having different ... See full document

... Hamiltonian from a given Lagrangian of solid continuum. We started from the case that the density of a continuum Lagrangian, denoted by l, was given for a continuum ... See full document

... of base isolated & fixed based RC frame ...static analysis was carried out on the given ...fixed base and base isolated ... See full document

... fixed base, other is base isolated and the third one was a braced ...fixed base buildings, we get maximum reactions under each ...walls. Response Spectrum Analysis, Push ... See full document

... concluded from findings of literatures that initiating the usage of bracings on asymmetric building can effectively reduce the deflection due to lateral ... See full document

... the response analysis of the embedded structures, acceleration time histories within the soil column at Elevation (-)14 m were ...site response calculations were performed with the strain-compatible ... See full document