The applications of impact-echo method on nondestructive testing for concrete structures are researched in this paper.
本文针对冲击回波法在混凝土无损检测中的应用展开研究。
The measuring results in field show that the impact-echo method is effective in measuring the depth of surface-opening crack.
现场测试表明，该方法对开口裂缝深度的测试是相当有效的。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法，这种方法只能检测比较大的缺陷。
The total amount of capital held by European insurers would not change much (an uncomfortable echo of the intended neutral impact of the Basel 2 regime).
欧洲保险公司应持有的资金总量没有太多变化(巴塞尔2号规则产生了预期中的中性影响是不合时宜的反馈)。
Comprehensive utilization of non-destructive methods such as ultrasonic, impact echo and ground penetrating radar to study the characteristics of the internal structural of early hardened concrete.
综合利用超声波、冲击回波、探地雷达等手段研究了凝结硬化早期混凝土内部的结构特征。
The asymmetrical radar echo structure of typhoon exerted impact on its motion and precipitation distribution. The short-time strong rainfall might occur easily in the sudden turning of typhoon.
台风形成的不对称结构影响其移向和降水分布，路径突转时极易产生短时强降水。
The asymmetrical radar echo structure of typhoon exerted impact on its motion and precipitation distribution. The short-time strong rainfall might occur easily in the sudden turning of typhoon.
台风形成的不对称结构影响其移向和降水分布，路径突转时极易产生短时强降水。
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