Two kinds of concrete specimens, one is crumb rubber concrete( CRC) and the other is controlled concrete, are tested as a cantilever beam for measuring their damping coefficients by the free attenuation method.

• 本文采用自由衰减法,对两组橡胶集料混凝土及普通混凝土小型悬臂梁的阻尼比进行了测定。