EARTHQUAKE PROTECTION STRATEGIES FOR POWER PLANT EQUIPMENT

机译：电厂设备的地震防护策略

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Power plant machinery can be dynamically decoupled from the substructure by the effective use of helical steel springs and viscous dampers. Turbine foundations, coal mills, boiler feed pumps and other machine foundations benefit from this type of elastic support systems to mitigate the transmission of operational vibration. The application of these devices may also be used to protect against earthquakes and other catastrophic events, I.e. airplane crash, of particular importance in nuclear facilities.rnThis article illustrates basic principles of elastic support systems and applications on power plant equipment and buildings in medium and high seismic areas. Spring-damper combinations with special stiffness properties are used to reduce seismic acceleration levels of turbine components and other safety or non-safety related structures. For turbine buildings, the integration of the turbine substructure into the machine building can further reduce stress levels in all structural members. The application of this seismic protection strategy for a spent fuel storage tank in a high seismic area is also discussed.rnSafety in nuclear facilities is of particular importance and recent seismic events and the resulting damage in these facilities again brings up the discussion. One of the latest events is the 2007 Chuetsu earthquake in Japan. The resulting damage in the Kashiwazaki Kariwa Nuclear Power Plant can be found in several reports. Among other vital components, turbine equipment was damaged and overflow of fuel storage pools was observed (Fukushima, 2007 and Yamashita, 2008).

机译：通过有效使用螺旋形钢弹簧和粘性阻尼器，可以使发电厂机械与下部结构动态分离。涡轮机基础，磨煤机，锅炉给水泵和其他机器基础都得益于这种类型的弹性支撑系统，以减轻工作振动的传递。这些设备的应用还可用于防止地震和其他灾难性事件，即飞机坠毁，在核设施中尤为重要。本文阐述了弹性支撑系统的基本原理以及在中高地震区的电厂设备和建筑物上的应用。具有特殊刚度特性的弹簧减震器组合用于降低涡轮机部件和其他安全或非安全相关结构的地震加速度水平。对于涡轮机建筑物，将涡轮机子结构集成到机械建筑物中可进一步降低所有结构构件中的应力水平。还讨论了这种地震保护策略在高地震区的乏燃料储罐中的应用。核设施的安全尤为重要，最近的地震事件以及这些设施造成的破坏再次引起了讨论。最新的事件之一是2007年日本中越地震。柏崎崎。轮核电站造成的损坏可以在几份报告中找到。在其他重要组件中，涡轮机设备损坏，并且观察到燃料储存池溢出（福岛，2007年；山下，2008年）。

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来源
《Proceedings of the ASME power conference 2009》|2009年|P.273-279|共7页
会议地点 Albuquerque NM(US);Albuquerque NM(US)
作者
Peter Nawrotzki;
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作者单位

GERB Vibration Control Systems Berlin / Lisle, IL;

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会议组织
原文格式 PDF
正文语种 eng
中图分类输配电工程、电力网及电力系统;
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机译：基于强震动地震的电厂地上管线性能的边界谱在管道抗震设计中的应用

EARTHQUAKE PROTECTION STRATEGIES FOR POWER PLANT EQUIPMENT

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