铁路工程放射性影响评价方法研究

Study on Method for Assessing Radioactive Impact to Railway Engineering

研究目的:以集宁通辽铁路蒙根塔拉至大板段放射性环境影响评价为例说明铁路工程放射性影响评价的基本方法、步骤和程序。研究结论:铁路工程放射性影响评价方法包括评价限制标准、现状调查分析与评价、施工运营期间的辐射影响预测等几个步骤,研究表明集宁通辽铁路越岭地段可能形成局部铀异常,但难以形成铀矿床,岩石、土壤、地下水及空气中各项指标均在国家规定范围内,工程施工及铁路运营期间对工作人员造成的照射影响是可以接受的,工程弃碴不具放射性,不需要按放射性废物进行处理。

Research purposes：Taking the impact assessment of radioactivity environment to the section from Menggengtala to Daban of Jining-Tongliao Railway as an example,the introduction is given to the basic method,basic procedure and the basic process of the impact assessment of radioactive environment to railway engineering.Research conclusions：The assessment of radioactive impact to railway engineering includes following several steps：assessment limitation standard,analysis and assessment of present situation investigation,and prediction of radiological impact etc.The study shows the uranium probably becomes anomalous locally in mountain-crossing area along Jining-Tongliao Railway,but it is difficult to form uranium deposit.All indexes related to the rock,soil,groundwater and air are in the ranges of the state standards,and the radioactive impact on the workers is acceptable during the railway construction and operation.The engineering wastes has no radioactivity,they do not need to be disposed as a radioactive waste.