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本文从工程可靠度理论出发,探讨了油田生命线工程系统随着时域的变化控制抗灾防灾能力的问题。提出了界线控制,保证油田生命线工程系统抗灾防灾能力的方法。指出了油田生命线工程系统抗灾防灾进行可靠度研究的必要性及意义。阐述了计算机仿真应用于油田生命线工程系统抗灾防灾研究的可行性和方法。 相似文献
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The structural integrity of pipelines undergone seismic waves is crucial for industrial installation and for the distributed transportation networks of gaseous and liquid fluids. However, it is nowadays proved that the definition of seismic vulnerability based on purely, structural-derived limit states or on return-to-service or even on the purely economic repair rate indications, is not sufficient for the holistic analysis of risks. On the other hand, detailed numerical studies based on full analyses (including fluid/soil/structure interaction) are too expensive for the aims of risk assessment and simplified methodologies are still needed.In this paper, a large database of earthquake-induced damage for steel and non-steel pipelines is presented. Each case was analyzed and collected from post-earthquake reconnaissance, seismic engineering reports and technical papers. The database may be adopted for the definition of specific vulnerability function (fragility curves), which are commonly implemented in multi-hazard analyses, and more in general for the assessment of Na-Tech risks (Natural events triggering Technological disasters). 相似文献
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杨彦 《铁路节能环保与安全卫生》2020,(1):53-56
在阐述国内外防坠落装置应用现状的基础上,重点分析我国轨道交通防坠落装置应用中存在的主要问题,结合施工实践提出了使用要点,即正确选择和使用安全带、合理布置固定点并经过检测、搭设完整的生命线系统及重视防坠落装置的维护检查,以期通过防坠落装置的科学使用,在确保工作效率的前提下,防范因高处坠落造成的严重伤害。 相似文献
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管网系统的抗震问题述评 总被引:1,自引:0,他引:1
本文提出了生命线系统的抗震准则,并对可靠性准则的建立和生命线系统最小运行准则的确定进行了讨论.本文系统地阐述了生命线系统之一的管网系统的抗震问题,指出管网系统震害评估和震后修复所包括的内容,并对管网系统抗震研究的现状以及存在的问题进行了评述。 相似文献
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