摘要
本文分析了煤灰作回填料时，γ射线对人的影响程度，并定量地计算了煤灰中γ射线的剂量和屏蔽土层的厚度，为整治环境，进一步开展对煤灰的综合利用提供了科学依据。
This paper analyzes the effect of Gamma ray on people when coal ashes are used as backfill and quantitatively calculates the content of Gamma ray in coal ashes and the thickness of shielding soil layer.It provides scientific evidences for environmental management and further development of comprehensive utilization of coal ashes.
