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Study on Radionuclide Dispersion for Accident Condition of Spent Fuel Highway Transport

机译：核废料公路运输事故条件下放射性核素扩散的研究

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摘要

The management of spent fuel is a key issue at the development of nuclear fuel cycle technology. Transportation plays a key role in the three main ways of dealing with spent fuel, including direct treatment aftertreatment, and spent fuel export [1]. There may be force majeure factors during transportation, such as: disaster weather, car accidents, human error, etc., which result in damage to spent fuel components and the shipping containers, and cause radionuclide leakage. The leaked radionuclide will migrate from the fuel assembly to the interior of the transport container then to the external environment, causing radioactive contamination of the environment [2]. From 1974 to 1993, there were 53 incidents that transport containers surface were radioactive contaminated [3]. In 2013, a train loaded with spent fuel containers in the European Union was leaked due to derailment, and 250,000 people lived in the distance within 2.5 km of the accident [3]. Due to the uncertainty of the location of the accident, the spent fuel transportation accident has a large radiation risk. At present, China's main spent fuel transportation method is road transportation.
机译：乏燃料的管理是核燃料循环技术发展的关键问题。运输在处理乏燃料的三种主要方式中起着关键作用，包括直接处理后处理和乏燃料出口[1]。运输过程中可能存在不可抗力因素，例如：灾害天气，车祸，人为失误等，这些因素会导致用过的燃料组件和运输容器损坏，并导致放射性核素泄漏。泄漏的放射性核素将从燃料组件迁移到运输容器的内部，然后再迁移到外部环境，从而对环境造成放射性污染[2]。从1974年到1993年，共发生53起运输集装箱表面被放射性污染的事件[3]。 2013年，一列装满废旧燃料容器的欧洲火车因脱轨而泄漏，事故发生2.5公里以内的距离有25万人居住[3]。由于事故地点的不确定性，乏燃料运输事故具有很大的辐射风险。目前，中国主要的乏燃料运输方式是公路运输。

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