【摘要】 用冲击回波法对混凝土板块不同深度开口裂纹进行了测量 ,并对获取数据进行后处理和分析 ,得出了有关混凝土板块开口裂纹用冲击回波法测量的一些结论更多还原

【Abstract】 The surface opening cracks in different depth of the concrete plates were tested using impact echo method. The data obtained were processed and analysed, and conclusions were given.更多还原