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首页> 外文会议>International Conference on Probabilistic Safety Assessment and Management(PSAM7-ESREL'04) v.6; 20040614-20040618; Berlin; DE >The Nuclear Physics Gran Sasso National Laboratory in the Gran Sasso Highway Tunnel: the Safety Organisation and the Qualitative-Quantitative methods for Risk Evaluation
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The Nuclear Physics Gran Sasso National Laboratory in the Gran Sasso Highway Tunnel: the Safety Organisation and the Qualitative-Quantitative methods for Risk Evaluation

机译：格兰萨索公路隧道中的核物理学格兰萨索国家实验室：安全组织和风险评估的定性定量方法

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摘要

The Gran Sasso National Laboratory (LNGS) is the largest underground laboratory in the world. It has been realised explicitly for the experimental purposes in Nuclear Physics branch and it's unique in this field: infact, all over the world similar underground labs are usually mines (operational and/or decommissioned). The LNGS lab is actually attended by 500 researchers and technicians coming from all over the world. The huge LNGS underground halls (100m long, 20m wide, 20m high) are strictly correlated to the highway-tunnel which connects L'Aquila and Teramo countries (a 10,5 Km tunnel). Due to its particular configuration and keeping into consideration the huge amount of flammable liquids and materials present in the underground halls, a detailed and well defined emergency procedure plan has been studied and developed. The present report deals with the qualitative and quantitative evaluation of the risk connected with some particular plants located into the laboratories. The applied methods are Hazop Analysis and Fault Tree Analysis. The reasons of the necessity of a Quantitative Risk Assessment in the LNGS are two: 1. Imposition of Seveso II regulations, the Italian law about the prevention of large accidents in the manufacturing systems. 2. The difficult to evaluate the risk through the usual methodologies for Risk Assessment because the complex and high particular underground location of the laboratories. A Quantitative Risk Assessment through Fault Tree Analysis is developed for the USA Skids Area, the purification plant of Borexino Apparatus, an international experiment on neutrino's physic installed at LNGS. A dedicated reliability software is utilised as tool for development and elaboration of large and complex fault trees.
机译：格兰萨索国家实验室（LNGS）是世界上最大的地下实验室。它已在“核物理”分支中明确地用于实验目的，并且在该领域中是独一无二的：事实上，全世界类似的地下实验室通常是矿山（运营中的和/或退役的）。 LNGS实验室实际上有来自世界各地的500名研究人员和技术人员参加。巨大的LNGS地下大厅（长100m，宽20m，高20m）与连接L'Aquila和Teramo国家（10.5 km的隧道）的高速公路隧道紧密相关。由于其特殊的配置并考虑到地下大厅中存在的大量易燃液体和材料，因此已研究制定了详细且定义明确的应急程序。本报告涉及与实验室中某些特定工厂有关的风险的定性和定量评估。应用的方法是Hazop分析和故障树分析。 LNGS中必须进行定量风险评估的原因有两个：1.实施Seveso II法规，这是关于防止制造系统中发生大事故的意大利法律。 2.由于实验室的地下位置复杂且高度特殊，因此难以通过通常的风险评估方法来评估风险。通过故障树分析对美国滑撬区（Borexino装置的提纯工厂）进行了定量风险评估，这是一项在LNGS上安装的中微子物理学的国际实验。专用的可靠性软件被用作开发和完善大型和复杂故障树的工具。

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