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本文提出了混凝土内部缺陷存在的一种数值判别方法。通过模拟试验，给出了该方法的Ｃ_０值，适宜与对大体积混凝土进行超声波检测。对实际工程的应用表明，该方法有较高灵敏度。
In this paper, a numerical method to determine the existence of internal defects in concrete is proposed. Through the simulation test, the C_0 value of the method is given, which is suitable for ultrasonic testing of mass concrete. The application of the actual project shows that the method has higher sensitivity.