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A Database-Informed Approach to New Plant Shielding Design

机译：基于数据库的新工厂屏蔽设计方法

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摘要

To facilitate the definition and description of radiation dose rates in the numerous rooms and areas of a new nuclear power plant, a database approach was developed. This approach offers a number of benefits over more manual methods. A key benefit is that the selection of an appropriate shielding method to use in each area of the plant is greatly facilitated by virtue of the team's improved ability to grasp the significance of each of the individual sources that are candidates for making a significant contribution to the dose rate in each area. By understanding the level of relevant contribution—if any—of each of these candidate sources, an analyst is able to select a method that will define the contribution without becoming enmired in a model representing inappropriately high degrees of accuracy and modeling time. This database method, by allowing for an evolving understanding of dose rates and sources in the neighboring rooms for each portion of the plant, leads to substantial reductions in the effort of characterizing a plant's radiation environment. As an additional benefit, the database serves as a tool for documenting the shielding calculations themselves, automatically generating formatted sections including drawing and source term references, shielding calculation types, key dimensions, and results; these sections can form the starting point of a full calculation package. The approach offers a final project management benefit: estimating, tracking, and predicting the effort associated with the many calculations involved in such a project are greatly systematized, leading to more reliable manpower estimates.
机译：为了便于定义和描述新核电厂的多个房间和区域中的辐射剂量率，开发了一种数据库方法。与更多的手动方法相比，此方法具有许多优点。一个关键的好处是，由于团队提高了掌握每个单独来源的重要性的能力，大大简化了在工厂的每个区域中使用的适当屏蔽方法的选择，而这些单独来源对于为工厂做出重大贡献是很重要的。每个区域的剂量率。通过了解每个候选源的相关贡献水平（如果有），分析人员可以选择一种定义贡献的方法，而不会被表示为不正确的高准确度和建模时间的模型所钦佩。通过允许对植物的每个部分的相邻房间的剂量率和来源的不断发展的了解，该数据库方法导致表征植物辐射环境的工作量大大减少。另外一个好处是，数据库可作为记录屏蔽计算本身的工具，自动生成格式化的部分，包括图形和源术语参考，屏蔽计算类型，关键尺寸和结果；这些部分可以构成完整计算包的起点。该方法提供了最终的项目管理优势：极大地系统化了与该项目涉及的许多计算相关的估算，跟踪和预测工作量，从而使人力估算更加可靠。

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