reflection crack

Crack Identification Technique Based on Ultrasonic Time of Flight Diffraction Reflection

基于超声衍射反射回波渡越时间的缺陷识别技术

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By tests and finite element analysis for the macro-structure of pavements, researchers found that the open-graded asphalt macadam can prevent the reflection crack in asphalt pavements, but very few people can explain it on meso-level.

研究人员通过试验和宏观有限元分析认为开级配沥青碎石能够防止反射裂缝，却很少有人能从细观层面上做出解释。

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This paper also studies the principle respectively how glass fiber grid prevents and controls reflection crack, and introduces corresponsive construction crafts in detail.

研究玻璃纤维格栅在防治与控制反射裂缝中的作用机理，对其施工工艺进行详细的介绍。

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The base has bigger percent air voids and can promptly detain pavement interior water, and can effectively reduce the reflection crack.

这种基层具有较大的空隙率，能及时排走滞留在路面内部的水分，并能有效地减少反射裂缝的发生。

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Reflection crack is the key problem course of asphalt paving on existing cement concrete pavement.

反射裂缝是旧水泥混凝土路面上加铺沥青路面的关键问题.

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