• 利用关联度方法分析影响矿料间隙率(VMA)破坏因素

    With the norm gray relational grade analytical method, this paper analyses the factors that influence the VMA-voids in the mineral aggregate-collapse.

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  • 方法设计矿料拌制沥青混合,进行了稳定度冻融劈裂试验

    According to the designed gradation, the asphalt mixture is mixed and its pavement properties such as dynamic stability and freeze-thaw splitting are tested.

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  • 发明公开一种可用高岭土粘土等生产氢氧化铝的方法。

    The present invention discloses a process for producing aluminium hydroxide from low aluminium-silicon ratio mineral materials such as kaolin and clay.

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  • 同时,本文通过实测,修正了现行规范用于计算沥青厚度表面积系数

    Through practical experiments, this paper correct the aggregate surface-area coefficient which is used to calculate asphalt membrane thickness in exiting specification.

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  • 针对混合配合比设计组成设计常用方法局限性提出一种新的解迭代法。

    Aiming at limitation of common design method for mineral aggregate composition in mix proportioning, the paper advances a new numeral solution-relaxation for proportion.

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  • 文章级配方面进行综合分析阐述了其对路用性能影响,并提出了预防措施

    The article carries on the comprehensive analysis from the mineral grading aspect, elaborates its influence of the function of highway, and puts forward the prevention measures.

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  • 基本原理为:级配中形成孔隙沥青预定孔隙率填充

    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.

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  • 路面混合矿料组成设计工程设计重要组成部分直接影响工程质量工程造价

    Aggregate gradation of pavement mixture is one of the important parts of the engineering design, it can affect the quality and the cost of the project.

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  • 溜放粘结时常出现障碍,一类稳定粘结卡堵,一类是形成管流动

    There are two kinds of hindrances to cohesive ores during ore drawing. One of them is stable stick arch and the other rathole flow.

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  • 沥青混合间隙混合设计一个重要参数之一,直接影响沥青混合耐久性

    Voids in the Mineral Aggregate (VMA) of the bituminous mixture is one of the most important parameters of bituminous mixture design and it influences the durability of mixture.

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  • 影响沥青混合稳定性因素沥青、矿料的性质、混合配合比施工条件环境因素等。

    Some factors, included asphalt, aggregate, asphalt mixture performance, construction condition and environment, have effect on moisture stability of asphalt mixture.

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  • 研究结果表明,级设计中的最大密实度状态与根据填充试验得到矿料最大密实度状态是一致的。

    The result of experiments demonstrates that the state of maximum density inducted from the gradation design doesn't conform to the state inducted from stuffing experiment.

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  • 鼓风冷却主要用于烧结矿料冷却具有冷却效率结构紧凑优点广泛应用于钢铁制造行业中。

    Blasting ring cooler, which is mainly used in cooling sinter, is widely adopted in steel manufacturing industry because of its good properties such as high efficiency, compact structure and so on.

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  • 如何准确测定稳定度、如何选择合理的空隙率以及采用何种沥青混凝土配合比试验关键问题

    How to determine the stability, flow value, how to choose an advisable void volume and what kind of mineral aggregate gradation is adopted are the key problems in Max ratio test.

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  • 本文所建立混合设计理论模型,首次实现矿料设计沥青混合组成设计统一和设计过程的客观性

    This mixture design theoretical model achieves the objectivity of design process and unification of gradation design and asphalt mixture design.

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  • 结合将实际工程应用SAC13级设计过程对VCADRFVCAAC矿料级配检验方法进行了具体介绍。

    The test methods of VCADRF and VCAAC were introduced in the light of the application of gradation design for SAC13 in an actual project.

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  • 进行环氧沥青混合目标配合比设计,确定矿料级配范围、混合最佳油石比以及高温固化温度、时间等参数。

    Then, it makes target mixture proportion design to study on the aggregate scope, optimum asphalt content of mixture, the temperature and time of curing.

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  • 通过大量室内试验研究沥青混凝土矿料级配、沥青用量等因素体积性能(空隙率)表面特性(构造深度)的影响。

    Through lots of experiments for the factors that gravel grading and asphalt amount in asphalt concrete influences their porosity and structure depth.

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  • 国内外沥青稳定碎石研究基础给出了功能层混合矿料组成的设计评价方法功能层混合配合比设计方法。

    Besides, based on the research at home and abroad, we proposed design and evaluation method of asphalt treated base aggregate gradation and mixture design method of asphalt treated mixture.

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  • 我国观行的沥青混合配合比设计方法采用马歇尔设计方法,以马歇尔试件的空隙率、间隙率、沥青饱和度等作为控制指标。

    The present asphalt mixtures design method is Marshall method, which is based on air voids, voids of mineral aggregate and voids of mineral aggregate that are filled with asphalt etc.

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  • 沥青试验研究基础开展沥青混合组成设计试验研究,提出了供工程使用的高性能沥青混合组成设计建议范围。

    Based on tests of aggregates and asphalt materials, study on the gradation of asphalt mixture of high performance was performed and recommends to gradation were given.

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  • 然后确定配合比例国产环氧沥青进行混合目标配合比设计,确定范围、混合最佳油石比以及高温固化温度、时间等参数。

    Then, it makes target mixture proportion design to study on the aggregate gradation scope, optimum asphalt content of mixture, the temperature and time of curing.

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  • 通过弯曲试验劈裂试验,分析水泥替代部分全部沥青混合抗裂性能影响

    By flexural test and split test, the effect of part or total replacement of mineral powder with cement on and-cracking performance of asphalt mixture is researched.

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  • 烧结一项重要烧结技术具有改善烧结质量、提高烧结强度降低消耗等优点

    Low carbon and thich sinter bed sintering is an important sintering technology, featuring the advantages of high quality, high strength and less fuel consumption.

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  • 分析了邢台选煤厂加压过滤机发生爆裂事故原因从中找出预防类似事故发生的有效措施

    The reason of burst accident of feeding pump of pressure filter in Xingtai Mine Coal Preparation Plant was analyzed and the prevention measure was discovered.

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  • 烧结一项重要烧结技术具有改善烧结质量烧结强度消耗等优点

    Low carbon and thich sinter bed sintering is an important sintering technology, featuring the advantages of high quality, high strength and less fuel consumption.

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  • 本文通过烧结试验转鼓指数测定研究碱度燃耗水分水钢烧结强度影响

    This article studies the influence of iron materials, basicity, fuel consumption and moisture on sinter strength through the sintering pot test and the tumbling test.

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  • 必须很好地控制粒度减少粒度效应使运动主要比重进行。

    The particle size of the feed must be well controlled to reduce size effect and make the particle motion primarily density-dependent.

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  • 对于添加石灰石SBS I - D沥青浆,针入度指数同样表现最佳粉结合,该比值高于其他胶浆的最佳结合比。

    For the limestone and SBS I-D asphalt mastic, the penetration index values also showed an optimum dust to binder ratio but with higher values than other mastics.

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  • 对于替代粉使用粉煤灰水泥粉、石灰沥青混合性能改善效果机理缺乏系统研究

    The comprehensive study on the impact and mechanism of mineral fillers, as fly-ash, Portland cement, slag-powder, hydrated lime and so on, improved asphalt concrete stability is scarce.

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