科研之友
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摘要
In the oldest industrial countries specially with moderate seismicity such as France, the main part of the building stock has been designed before the application of the modern seismic code. Because of the absence of any seismic consideration at the period of the construction or the modification of the action levels, many reinforced concrete structures do not satisfy the actual requirements without being unsafe. Due to safety reasons, the case of industrial and nuclear facilities and plants may be, critical and requires detailed seismic evaluations. The application of simplified procedures used for design tends to give unrealistic results and, overall, masks the critical points for the facility safety. This paper aims at presenting some validation of non-linear modelling used for the seismic evaluation of existing nuclear facilities. The fibre type beam model tised for this seismic assessment has non-linear constitutive laws for concrete, steel and anchorage/splices and non-linear behaviour in shear. This modelling approach has been applied to the modelling of R/C frame structures and beam column joints tested during several experimental campaigns performed on the shaking table at the CEA facility in Saclay and the reaction wall of the JRC Ispra.
- 出版日期2007-2
- 单位中国地震局
