竖向地震激励对控制棒驱动线落棒影响研究  

Research on Rod Drop of Control Rod Drive Line under Vertical Seismic Load

作　　者：李朋洲[1] 杜建勇[1] 李天勇[1] 孙磊[1] 李琦[1] 

机构地区：[1]中国核动力研究设计院,成都610023

出　　处：《核动力工程》2017年第2期108-110,共3页Nuclear Power Engineering

摘　　要：为了保证反应堆的安全,反应堆设计中对控制棒驱动线(CRDL)在地震载荷作用下的落棒时间提出了限值。在前期的CRDL抗震试验研究以及落棒分析软件中,均只考虑了横向地震对落棒的影响。本次开展了CRDL在竖向地震载荷下的落棒分析研究和地震试验研究。研究结果表明:竖向地震载荷加大了控制棒落棒过程的复杂性,对控制棒落棒时间尤其是全程落棒时间造成比较明显的影响。To verify the safety of the reactor, the limit of rod drop time for control rod drive line （CRDL） shall be set in the design of reactor. Only horizontal seismic load was considered in the seismic test and rod drop analysis research at present. In this paper analysis and test research on the effect of the rod drop under the vertical seismic load was conducted. The result shows that the vertical seismic load added the complexity of the rod drop, and the vertical seismic load would cause obvious effect on the rod drop time of the control rod.

关 键 词：CRDL 竖向地震 落棒 

分 类 号：TL135[核科学技术—核能科学]