客运专线铁路路基压实质量是保持线路稳定与平顺、保证列车能高速、安全运行的重要条件。而控制和检测压实质量的标准、方法和设备，则是保证压实质量的重要措施。主要介绍了客运专线路基检测方法Evd的定义、测试原理、测试仪器和国内外研究概况。

The compaction quality of the roadbeds of the passengerdedicated railways is one of the fundamental factors that has dominant impact both on the stability and smoothness of the railways and on the highspeed and safe operation of the trains. The standards, methods and instruments for the quality control and test of the roadbeds of the passengerdedicated railways are fundamental measures for the control of the compaction quality of the roadbeds. The article presents the definition, test principle, test instrument and foreign and domestic research state of the Evdtest metod for the roadbeds of the passengerdedicated railways.