CAJ | 학술논문

由于一次水事故泵运行条件下的振动台试验可评估抗震性能，用钢丝橡胶波纹管连接进出口水管、沙堆支撑橡胶管提供柔性约束。合理模拟水泵在试验过程中所受接管荷载，保证试验过程中水泵与循环水箱变形协调。对正常运行的事故泵进行5次 OBE、1次 SSE 人造地震动输入振动台试验，并据动应变曲线判断仍处于弹性状态。试验表明，经5次 OBE、1次 SSE 人造地震动输入后的一次水事故泵仍能保证压力边界完整性及功能可运行性。较试验前各项功能指标无明显变化，抗震性能良好。
유우일차수사고빙운행조건하적진동태시험가평고항진성능，용강사상효파문관련접진출구수관、사퇴지탱상효관제공유성약속。합리모의수빙재시험과정중소수접관하재，보증시험과정중수빙여순배수상변형협조。대정상운행적사고빙진행5차 OBE、1차 SSE 인조지진동수입진동태시험，병거동응변곡선판단잉처우탄성상태。시험표명，경5차 OBE、1차 SSE 인조지진동수입후적일차수사고빙잉능보증압력변계완정성급공능가운행성。교시험전각항공능지표무명현변화，항진성능량호。
Primary water accident pump is an important part of reactor for its waste heat export,whose seismic performance will directly affect the safe shutdown of reactor and the exuding of waste heat after the occurrence of major earthquakes.The prototype shaking table tests under simulated earthquakes are the most intuitive method to evaluate the seismic performance of primary water accident pump in running condition.The steel wire rubber corrugated pipe connection was selected as the import and export connections of water pipe,and the sand pile support rubber bellows were used as the flexible constraints.The connecting load on the water pump in the processes of tests was reasonably simulated and the deformation coordination was ensured between the primary water accident pump and circulating water tank in the test processes.Suitable wire rubber bellows were selected and sand was used to guarantee the rationality of boundary conditions in the experiments.Five OBE and one SSE earthquake simulation shaking table tests on the primary water accident pump were performed by using artificial seismic waves as the seismic inputs in normal running.According to time history curves of strain,the maximum strain responses under the input of different artificial seismic waves were obtained, and the structure was found still in elastic state.The results show that the structural integrity and operating function of the primary water accident pump are unchanged during five OBE and one SSE tests;and the performance indexes of the primary water accident pump remain consistent before and after seismic tests;the seismic performance of the primary water accident pump can satisfy relevant technical requirements.