秦山核电厂反应堆压力容器水压试验应变测量与分析

STRAIN MEASUREMENT AND ANALYSIS FOR THE RPV OF QINSHAN NPP(UNIT I ) AT PRIMARY SYSTEM HYDROSTATIC TEST

对秦山核电厂反应堆压力容器出厂水压试验测点布置作了说明,与一回路系统水压试验位移测量的主要结果作了分析对比,给出了实测载荷与主螺栓测试数据,讨论了表征密封性能的法兰转动,认为出厂水压试验此项结果有错.

Hydrostatic test for RPV is not only a means to inspect the vessels and the associated systems but also an important way to verify the results of mechanical analysis. The loading obtained by measurement is useful for the establishment of loading spectrum. In this paper, some discussions on the shop hydrostatic test planning for the RPV of Qinshan NPP performed in Japan are presented. Comparisons between the results of hydrostatic test provided by vendor and those of primary system hydrostatic test conducted at Qinshan Site are also given. Some data obtained at Qinshan Site such as actual loading and technical data of the stud - bolt, are listed. The results of measurement for the flange rotation, important for the sealing characteristics of RPV, are specifically discussed. This paper points out some of the mistakes in the results of the shop hydrostatic test.