由于EMAT具有非接触性、无需耦合剂等优点，受到广大无损检测与评估工作者的广泛关注。
The EMAT is characteristic of non-contact and being needing no coupling medium, so it is specially concerned by researchers on nondestructive testing and evaluation.
本文讨论移动荷载下、弹性半空间地基上的刚性道面水泥混凝土加铺层的动态设计理论和计算方法，并试图把此套方法与场道无损检测评估系统结合起来。
Research on theory and methods of the overlay on existing rigid concrete pavements, which is on semi-infinite elastic medium to moving load, is involved in this paper.
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