Strasser, F. (2007). Estimates of VS30 values for the K-Net stations based on extrapolation of the velocity profile, personal communication. TEPCO (2007). Report on analysis of observed records at Kashiwazaki-Kariwa Nuclear Power Plant during the Niigata-Chuetsu-Oki earthquake 2007.
To improve the prediction of nonlinear response of RC buildings to the design input ground motions by the equivalent linearization method, a simple equation for the asymmetry of response is proposed based on the assumption of equal energy response in the positive and negative direction. Then, an equivalent linearization method considering the asymmetric steady state response by the proposed equation is introduced in this paper. The method shows excellent agreement with the results of the time history response analysis of a single-degree-of-freedom system with Takeda's hysteretic characteristics.
� �In this paper, simple equations for the required lateral load carrying capacity of reinforced concrete buildings using the equivalent linearization method and the equal energy concept which is used in the calculation of lateral load carrying capacity of the current seismic regulations are shown based on two bi-linear restoring force models with the constant initial stiffness and the constant yield deformation. Then, comparisons of the two methods and the two bi-linear restoring force models are conducted. As a result, it is concluded that the method based on the bi-linear restoring force model with the constant yield deformation is rational and effective for the required lateral load carrying capacity of the buildings with ductile moment-resisting frames.
The authors had an opportunity to take part in the project of regenerating the traditional wooden barn to schoolchild clubhouse, and made the master plan and executive design. The earthquake-resistant capacity was lower than safety standard as the result of performance diagnosis. Reinforcement design of earthquake-resistant capacity was held based on the result and utilization plan by adopting the original wooden double panel for resistant wall, and the improvement construction expensed the cost about 8,900,000 yen.
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