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本工作是“秦山核电厂严重事故研究”总课题中的一个子课题,目的是预测安全壳在内压作用下的极限承载能力和发生局部氢爆的可能性。本工作讨论了有关带钢衬的预应力钢筋混凝土安全壳在内压作用下的极限承载能力的简化计算方法。通过实例校核以及与有限元计算结果、实验数据的比较,对简化计算方法进行了验证,证明这些简化计算方法简便易行,并有良好的精度,适用于安全审评
This work is a sub-topic in the general topic of “Qinshan Nuclear Power Plant Severe Accident Research”, in order to predict the ultimate bearing capacity of the containment under internal pressure and the possibility of local hydrogen explosion. This work discusses a simplified method for calculating the ultimate bearing capacity of steel-lined prestressed RC containment under internal pressure. The simplified calculation method is validated by the example check and comparison with the finite element calculation results and experimental data, which proves that these simplified calculation methods are simple and easy to operate with good accuracy and are suitable for safety assessment