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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.8: Seismic Engineering; 20050717-21; Denver,CO(US) >DEVELOPMENT OF THREE-DIMENSIONAL SEISMIC ISOLATION TECHNOLOGY FOR NEXT GENERATION NUCLEAR POWER PLANT APPLICATIONS
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DEVELOPMENT OF THREE-DIMENSIONAL SEISMIC ISOLATION TECHNOLOGY FOR NEXT GENERATION NUCLEAR POWER PLANT APPLICATIONS

机译：下一代核电站应用三维地震隔离技术的发展

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Seismic isolation technology plays an important role in the area of architect engineering, especially in Japan where earthquake comes so often. This technology also makes the nuclear power plant rationalized. The horizontal base isolation with laminated rubber bearings has already been proven its effectiveness. These days, seismic isolation technology is expected to mitigate even the vertical load, which affects the structural design of primary components. Seismic isolation system has possibility to improve the economical situation for the nuclear power plant. From these points of view, a research project has been proceeded to realize practical three dimensional seismic isolation systems from 2000 to 2005 under the sponsorship of the Ministry of Economy, Trade and Industry of the Japanese government. The isolation system is developed for the supposed "Fast Breeder Reactor (abbreviated FBR)" of the next generation. Two types of seismic isolation systems are developed in the R&D project. One is a three-dimensional base isolation for a reactor building (abbreviated 3D SIS) and the other is a vertical isolation for main components with horizontal base isolation of the reactor building (abbreviated V. +2D SIS). At first step of the R&D, requirements and targets of development for the seismic isolation system were identified. Seismic condition for R&D was discussed based on the real seismic response. Vertical natural frequency and damping ratio required to the system were introduced from the response to the seismic movement. As for 3D SIS, several system concepts were proposed to satisfy the requirements and targets. Through discussions and tests on performance, reliability, applicability, maintainability, "Rolling seal type air spring system with hydraulic anti-rocking devices" was decided to be developed. Verification shaking tests with the 1/7 scale model of the system and analysis for applicability to the real plant are conducted. The result shows that the system is able to support the reactor building, to suppress the rocking motion and to mitigate the vertical seismic load. As for V.+2D SIS, coned disk spring device was selected at the beginning of R&D. Performance tests of the elements, which include common deck movement, were conducted and the system applicability to the plant is confirmed. Verification tests were conducted with 1/8 scale model of the system and the result proves the applicability to the real plant.
机译：隔震技术在建筑师工程领域起着重要作用，尤其是在地震频发的日本。这项技术还使核电厂合理化。层压橡胶轴承的水平基础隔离已被证明是有效的。如今，地震隔离技术有望减轻垂直荷载，从而影响主要部件的结构设计。隔震系统有可能改善核电厂的经济状况。从这些观点出发，在日本经济产业省的赞助下，从2000年至2005年，进行了一项研究项目，以实现实用的三维地震隔离系统。隔离系统是为下一代的“快速增殖反应堆（缩写为FBR）”开发的。研发项目开发了两种类型的地震隔离系统。一个是反应堆建筑物的三维基础隔离（缩写为3D SIS），另一个是主要组件的垂直隔离，反应堆建筑物的水平基础隔离（缩写为V. + 2D SIS）。在研发的第一步，确定了隔震系统的要求和开发目标。基于实际地震响应，讨论了R＆D的地震条件。从对地震运动的响应中引入了系统所需的垂直固有频率和阻尼比。对于3D SIS，提出了几种系统概念以满足要求和目标。通过对性能，可靠性，适用性，可维护性的讨论和测试，决定开发“带液压防摇摆装置的滚动密封式空气弹簧系统”。使用系统的1/7比例模型验证振动测试，并分析其在实际工厂中的适用性。结果表明，该系统能够支撑反应堆建筑物，抑制摇摆运动并减轻垂直地震载荷。对于V. + 2D SIS，在研发之初就选择了锥形盘形弹簧装置。进行了元素的性能测试，其中包括常见的甲板运动，并确认了系统对工厂的适用性。使用系统的1/8比例模型进行了验证测试，结果证明了其在实际工厂中的适用性。

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