介绍了雷达探测技术检测钢筋混凝土保护层厚度的原理，并针对核电厂安全壳模型开展了应用研究，对安全壳钢筋保护层厚度及安全壳厚度进行检测。结果表明：采用雷达探测技术对核电厂安全壳钢筋保护层厚度及安全壳厚度进行检测，具有较高的精度，是保证核安全的重要措施。

This paper introduces the principle of using radar to detect the reinforced concrete cover thickness, and carries out the application research on the containment structure model of nuclear power plant. It is believed that using radar detection technology to detect the reinforced concrete cover thickness and the containment structure thickness of nuclear power plant has the advantages of high detection precision, and that the radar detection technology is an important measure to ensure nuclear safety.