• Dividing criterion between coarse and fine aggregate was set by use of Marshall Test.

    利用马歇尔击实试验确定粗细集料的分界标准

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  • The results show that best permanent deformation resistance can be got when continuous dense gradation, which has even arrangement of coarse and fine aggregate is adopted.

    结果表明采用粗细集料搭配均匀的连续密级适中沥青用量可以获得最佳的永久变形能力。

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  • Through the study of packing and filling characteristics of aggregate, the dosages of coarse and fine aggregate and filling were calculated for aggregate of skeleton denseness asphalt mixture.

    通过球体颗粒堆积填充特性研究,从理论上分析了骨架密实型沥青混合料集料填料用量

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  • Slices from the top, bottom, sides and bulk of each specimen were examined by methanol exchange, quantitative determination of coarse and fine aggregate and backscattered electron imaging in the SEM.

    分别每个顶部底部侧面本体取样通过甲醇交换粗细集料的定量测定SEM中的散射电子成像对试样进行检测

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  • The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate, the filling, the asphalt and the preconcerted void content.

    基本原理为:级配中集料形成孔隙率集料、填料沥青预定孔隙率填充

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  • When the bulk specific gravity of coarse aggregate and the apparent specific gravity of fine aggregate are used to compute VMA value, the VMA value is greater than the VMA value by American method.

    我国体积相对密度集料表观相对密度计算VMA方法美国的方法所用公式形式一样,但用我国方法计算的VMA用美国方法计算的VMA均偏

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  • Coloured aggregates are used to distinguish the coarse and the fine aggregate and color threshold is used to segment the image in this method.

    方法使用彩色石料区分集料利用彩色值直接分割图像

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  • The effect of recycled coarse aggregate quantity, recycled fine aggregate, PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump.

    本文研究再生骨料、再生骨料掺量、粉煤灰取代水泥灰比对再生混凝土抗压强度落度的影响。

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  • The invention discloses high-obdurability highway concrete, which has the ingredients of cement, coarse aggregate, fine aggregate, water, modified steel fiber and rubber microparticle.

    发明公开了一种高强韧性的公路混凝土配料水泥集料、改性纤维橡胶微粒。

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  • Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.

    分别矿砂铁尾矿石代替天然和普通碎石配制C30C60两个强度等级混凝土

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  • Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.

    分别矿砂铁尾矿石代替天然和普通碎石配制C30C60两个强度等级混凝土

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