利用范数灰关联度方法,分析了影响矿料间隙率(VMA)破坏的因素。
With the norm gray relational grade analytical method, this paper analyses the factors that influence the VMA-voids in the mineral aggregate-collapse.
按该方法设计的矿料级配拌制沥青混合料,进行了动稳定度和冻融劈裂试验。
According to the designed gradation, the asphalt mixture is mixed and its pavement properties such as dynamic stability and freeze-thaw splitting are tested.
本发明公开一种可用低铝硅比的矿料,如高岭土,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.
同时,本文通过实测,修正了现行规范中用于计算沥青膜厚度的矿料表面积系数;
Through practical experiments, this paper correct the aggregate surface-area coefficient which is used to calculate asphalt membrane thickness in exiting specification.
针对混合料配合比设计中矿料组成设计常用方法的局限性,提出一种新的数解迭代法。
Aiming at limitation of common design method for mineral aggregate composition in mix proportioning, the paper advances a new numeral solution-relaxation for proportion.
文章从矿料级配方面进行了综合分析,阐述了其对路用性能的影响,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.
其基本原理为:矿料级配中粗集料形成的孔隙率由细集料、填料、沥青和预定孔隙率填充。
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.
路面混合料矿料级配组成设计是工程设计的重要组成部分,直接影响工程质量和工程造价。
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.
溜放粘结性矿料时常会出现两类放矿障碍,一类是稳定粘结拱卡堵,另一类是形成管状流动。
There are two kinds of hindrances to cohesive ores during ore drawing. One of them is stable stick arch and the other rathole flow.
沥青混合料矿料间隙率是混合料设计的一个重要参数之一,它直接影响沥青混合料的耐久性。
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.
影响沥青混合料水稳定性的因素有沥青、矿料的性质、混合料的配合比、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.
研究结果表明,级配设计中的最大密实度状态与根据填充试验得到的矿料最大密实度状态是不一致的。
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.
鼓风环式冷却机主要用于烧结矿料的冷却,因其具有冷却效率高、结构紧凑等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.
如何准确测定稳定度和流值、如何选择合理的空隙率以及采用何种矿料级配是沥青混凝土配合比试验的关键问题。
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.
本文所建立的混合料设计理论模型,首次实现了矿料级配设计和沥青混合料组成设计的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.
结合将在实际工程中应用的SAC13级配的设计过程对VCADRF和VCAAC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.
进行了环氧沥青混合料目标配合比设计,确定了矿料的级配范围、混合料的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.
通过大量室内试验研究了沥青混凝土矿料级配、沥青用量等因素对其体积性能(空隙率)和表面特性(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.
在国内外沥青稳定碎石研究的基础上,给出了功能层混合料矿料级配组成的设计和评价方法及功能层混合料配合比设计方法。
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.
我国观行的沥青混合料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、矿料间隙率、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.
在矿料、沥青材料试验研究的基础上开展沥青混合料组成设计试验研究,提出了供工程使用的高性能沥青混合料级配组成设计建议范围。
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.
然后,对确定配合比例的国产环氧沥青进行混合料目标配合比设计,确定了矿料的级配范围、混合料的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.
通过弯曲试验和劈裂试验,分析了水泥替代部分或全部矿粉对沥青混合料抗裂性能的影响。
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.
低碳厚料层烧结是一项重要的烧结技术,具有改善烧结矿质量、提高烧结矿强度、降低燃料消耗等优点。
Low carbon and thich sinter bed sintering is an important sintering technology, featuring the advantages of high quality, high strength and less fuel consumption.
分析了邢台矿选煤厂加压过滤机入料泵发生爆裂事故的原因,并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.
低碳厚料层烧结是一项重要的烧结技术,具有改善烧结矿质量、高烧结矿强度、低燃料消耗等优点。
Low carbon and thich sinter bed sintering is an important sintering technology, featuring the advantages of high quality, high strength and less fuel consumption.
本文通过烧结杯试验和转鼓指数测定研究了铁料、碱度、燃耗和水分对水钢烧结矿强度的影响。
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.
还必须很好地控制给料的粒度,以减少粒度效应,使矿粒的运动主要按比重进行。
The particle size of the feed must be well controlled to reduce size effect and make the particle motion primarily density-dependent.
对于添加石灰石的SBS I - D沥青胶浆,其针入度指数同样表现一最佳矿粉结合料比,该比值高于其他胶浆的最佳矿粉结合料比。
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.
对于替代矿粉使用的粉煤灰、水泥、矿渣粉、石灰等填料对沥青混合料性能的改善效果及机理缺乏系统的研究。
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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