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针对益阳资江三桥双肋哑铃型钢管混凝土拱肋中混凝土的质量检测，详细介绍了采用超声波首波声时、波形和敲击钢管的综合方法，并结合检测实践，提出了对管内混凝土的密实性、混凝土与钢管结合情况的质量分类评判要点．
Aiming at the quality inspection of the concrete in the double-ribbed dumbbell concrete-filled steel tube arch rib of Yiyang No.3 Bridge, the comprehensive method of using the ultrasonic wave of the first wave, the waveform and the tapping of the steel tube is introduced in detail. Combined with the testing practice, , The combination of concrete and steel quality classification of the main points.