A method for supersonic wave testing and a new correlative couple device used in drill hole without water are introduced. It is of simplicity, effectivity and lowcost.
提出了一种干孔(超)声波测试方法，介绍了一种相应的干孔耦合装置，使用简便有效，成本低。
Based on the analysis about supersonic testing, the relation of supersonic wave-velocity with the quantity of steel fibre in concrete was found.
通过超声测试分析，得出了钢纤维混凝土超声波速与纤维掺入量的关系。
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