The experimental results show that as far as crack resistance of concrete is concerned, the surface feature of coarse aggregate is more sensitive than aggregate shape.
试验结果表明：集料的表面特征对混凝土抗裂性的影响比集料的颗粒形状更为敏感。
The surface feature of aggregate, which have been pretreated by chemical method, and the structure of interfacial zone between aggregate and cement paste are studied.
研究了用化学方法处理后的骨料表面与界面过渡区结构特征。
The surface feature of aggregate, which have been pretreated by chemical method, and the structure of interfacial zone between aggregate and cement paste are studied.
研究了用化学方法处理后的骨料表面与界面过渡区结构特征。
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