发展及在反应堆结构等工程中的应用.pdfVIP

第 15 届全国反应堆结构力学会议论文集 549 应变电测技术新发展及 在反应堆结构等工程中的应用 沈观林1 （清华大学航天航空学院，北京 100084） 摘要：本文首先介绍实验力学应变电测技术的新发展：各种新型特殊高低温、防水、抗磁性、大应变电阻应变计， 各种结构用压力、位移、荷载、加速度等新型应变式传感器以及新型高速静态数据采集仪，小型多通道动态应变及 温度记录仪，超动态应变仪及相应测试技术；其次，列举在电厂高温管道三通热态工况下应力测试，核电厂结构构 件高温高压下应力测试，核电厂安全壳结构整体性试验，新核反应堆运行中压力壳和管道首期应力测试方案等应用 实例。 关键词：应变电测；高低温应变计；静态数据采集仪；核反应堆 New Development of Strain Gauge Measurement Technique and Applications in Reactor Structures etc. Engineerings SHEN Guan-lin (Astronautics Aeronautics Institute, Tsinghua University, Beijing 100084, China) Abstract: This paper at first introduces the new development of the experiment mechanics strain gauge measurement technique: some new types special high temperature and cryogenic strain gauge, water-proof strain gauge, anti-magnet field strain gauge plastic strain gauge etc.; some kinds of structure using force ,displacement, load, acceleration etc. new types strain gauge transducers and new types high velocity statical data logger, small type multi-channels dynamical strain and temperature recorders, super-dynamical strain indicator and appropriate measureing technique. Then introduces some application examples: the thermal stress measurement of the power plant high temperature pipes with triplet under thermal state; the stress measurement of nuclear power plant structure elements under high temperature and pressure; the structure compleness test of nuclear reactor safe shell and the stress measuring plan of new nuclear reactor pressure shell and pipes for first period etc. Key words: strain gauge measurement; high temperature and cryogenic strain gauges; static data logger; nuclear reactor. 重要工程结构物（如飞机结构和发动机、航天飞机、火箭导弹、核反应堆