Directing against low microwave absorbing property of limestone aggregate asphalt mixture,asphalt mixture absorbing microwave with 3∶ 7 and limestone aggregate was prepared.The mixture was heated with a microwave oven for 60 s and the surface temperature was measured.The results indicate that the asphalt mixture absorbing microwave had higher temperature enhancement efficiency.%针对普通石灰岩集料沥青混合料吸波效率低等问题,按照铁矿石集料与普通石灰岩集料体积比3∶7,配制吸波沥青混合料,利用微波炉并加热60 s后,测试混合料表面温度差别,结果表明,吸波沥青混合料具有明显的升温效率高的特点。
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