【摘要】 为了对反应堆压力容器(RPV)确保结构完整性的综合性能作完整的力学分析,在对法规系统、载荷系统和分析软件系统进行剖析的基础上,建立完整性概念,形成逻辑完整的总体指导思想,并对三种存在不确定性的载荷作实测考虑。简述了秦山核电站1号堆RPV的设计分析与安全分析的结果,从力学上论述了其结构的完整性。现场实测取得的实证,表明软件系统所给出的限值与评定是正确而合宜的。现场实测给出了容器的重要技术数据并提供了极有价值的技术探索。为了掌握设计载荷的保守幅度和进行容器寿命管理,应及时开展载荷谱实测与瞬态监测及统计处理工作。更多还原

【Abstract】 To perform a complete mechanical analysis for ensuring the comprehensive behaviour of structural integrity of RPV, the first is to establish a completeness concept. The completeness for stress analysis should at least include four contents, they are the complete operating condition and loading assembling, the complete structure and interfaces, the complete failure criteria of function and the complete stress limits. Then from dissecting the loading system of RPV 3 kinds of undetermined load can be found, these are stud-bolt, temperature and piping loading, besides, in order to knowing the conservative margin of design loading, it is necessary to perform the actual measurement and monitor for the loading spectrum. As the first step of implementation, the stud-bolt loading under hot transient has measured at the Qin-shan NPP site. In order to checking the analytical results, during primary system hydrostatic test, the strain and displacement measurements are arranged for RPV. In the finished analytical works, these include loading assembling, transient stress analysis, fatigue analysis, fracture calculation, earthquake calculation, thermal shock consideration, interface parts analysis and determing of P-T limits etc. , that expounds and proves the structure integrity of RPV from mechnical respect. Finally, the actual proving obtained by site measurement indicates the limits and evaluations given by soft ware system are reasonable.更多还原