bituminous cement

Among the treating agents are bituminous binders, Portland cement, and a variety of chemicals including calcium and sodium chloride, lime, and several organic compounds.

常用的外加剂有：沥青材料，普通硅酸盐水泥，以及各种各样的化合物，如：氯化钙、氯化钠、石灰和有机质。

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Paving Bituminous Concrete on Old Cement Concrete Pavement of the City Road

城市道路旧水泥混凝土路面加铺沥青混凝土

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Based on the current pavement design specifications, design procedures and basic methods for bituminous pavement and cement concrete pavement construction by stages are put forward.

以现行路面设计规范方法为基础，提出了分期修建沥青路面和水泥混凝土路面的设计程序和基本方法。

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The application of bituminous concrete in old cement concrete pavement reconstruction

沥青混凝土改造旧水泥混凝土路面的应用

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A Study on Interfacial Bonding Performance between Old Cement Concrete Pavement and Bituminous Overlayer

旧水泥路面与沥青加铺层间粘结性能

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Increasing production and improving quality of shaft kiln cement ran be done by using high sulfur bituminous coal adding fluorite to form fluo& sulfur composite mineralization and high KH, high Fe proportion, mixing admixture to reduce SO_3 content in cement.

使用高硫烟煤外加萤石，形成氟、硫复合矿化作用，加上高KH、高铁配料，掺入混合材，降低水泥中SO3含量，能提高立窑水泥产质量。

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Although the bituminous pavement of cement stable sandy foot layer has good effect in most engineering, it has partial craze of pavement, even with net-shaped crack distortion and structural destruction, which not only shorten the using age of road but also bring hidden trouble for safety.

水泥稳定砂砾基层沥青路面虽然在大部分工程使用中效果不错，但仍有局部路面开裂的问题，甚至发生网裂变形和结构性破坏，从而缩短了道路的使用寿命，也给行车安全带来隐患。

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When IRI was replaced with standard deviation(σ) of profilometer, another equation of DAF can be expressed with σ and vehicle velocity. With the riding quality evaluation ranking criterion, the dynamic amplification factor of each rank was also achieved for bituminous pavement and cement concrete pavement.

引入IRI与连续平整度仪测定的标准差σ的关系后，得到动荷系数与σ及车速的关系式，最后结合沥青路面和水泥混凝土路面行驶质量评价标准，提出各路面等级的动荷系数。

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As far as the rebuilding of damaged cement concrete are covering with bituminous layer and using steel fiber concrete.

文章介绍水泥混凝土路面损坏后的改造方法，主要有加铺沥青层和采用钢纤维混凝土修补等。

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There is no reasonable consideration of dynamic amplification effects of vehicle loading in the existing design specifications for bituminous pavement and cement concrete pavement in China.

目前我国路面设计规范对车辆荷载的动态影响缺乏合理的考虑。

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