粗集料

粗集料是一种散体结构。

Coarse aggregate is granular material .

粗集料是道路水泥混凝土重要的组成部分，其技术性质对混凝土路用性能的影响十分显著，但国内相关系统研究甚少，并未与混凝土的路用性能真正建立联系。

Coarse aggregate is the main compose parts of road cement concrete , its technology properties have very prominence influences to the pavement performance of concrete , but there is few study home and abroad , besides there are no in deed contact with the pavement performance of concrete .

利用CBR试验确定了最强骨架下的粗集料组成。

The strongest coarse aggregate skeleton was makeup by CBR test .

AC-13粗集料骨架CBR室内试验研究

Laboratory CBR Test For AC-13 Coarse Aggregate Skeleton

结果表明：CA比对沥青混合料的空隙率、矿料间隙率、粗集料骨架的形成、抗车辙性能和压实性能具有显著影响；

The results show that CA ratio has a significant effect on percent air voids , VMA , formation of the coarse aggregate skeleton , rutting resistance and densification characteristics of asphalt mixture ;

AC-13粗集料离析评价方法及指标研究

Researching on Evaluation Method and Index of Segregation in AC-13 Coarse Aggregate

结果表明，混合粗集料在FAC混合料中应用，既能满足使用要求，又能提高经济效益。

The tests indicate that the application of mixed coarse aggregate in FAC can satisfy the pavement performance , and improve economic benefit .

算术平均偏差对集料表面纹理的评定是合理有效的；其他条件相同的情况下，粗集料表面纹理的Rα值越大，沥青混合料的高温稳定性、水稳定性和低温抗裂性能越好。

It was reasonable to evaluate aggregates surface texture by arithmetical mean deviation R α; when other factors were fixed , high-temperature stability , moisture stability and low-temperature anti-cracking of asphalt mixtures became better with the augment of arithmetical mean deviation R α .

根据粗集料的单因素捣实试验，确定了辉长岩Sup-16级配骨架最优结构。

On the basis of the single factor dry rodded test of coarse aggregate , the optimal framework structure of gabbro Sup-16 gradation is given out .

该文采用间断级配的粗集料，构建强度达到27MPa、透水系数为6ml/min的高性能透水混凝土。

The article uses the high-performance pervious concrete of the gap-graded coarse aggregate . Its constructional strength reaches 27 MPa and the pervious coefficient is 6 ml / min.

以FAC-20为例，计算了原始试件和车辙试验中不同加载时段粗集料骨架间隙分形维数的变化情况，在粗集料骨架间隙的分形维数与力学性能之间建立了联系。

By taking FAC-20 as an example , the fractal dimension changes of VCA of original specimens and different loaded time after rutting test were calculated , and the relation was est .

为了改善二灰碎石基层的路用性能，使粗集料（31.5mm～4.75mm）能够形成骨架结构，本课题通过振实试验方法研究了不同粒径粗集料混合后的空隙率。

In order to improve the pavement performance of lime-fly ash stabilized aggregates and make coarse aggregates form skeleton , the paper confirm the rate of voids of the mixed aggregates by the method of vibrating test .

采用自行研制的大型剪切仪，对2种风化石粒料进行了直接剪切试验研究，分析了粒料级配、粗集料含量、最大粒径以及小于0.6mm颗粒含量对风化石抗剪强度参数的影响。

The effects of gradation , coarse size content , the maximum size , and fine ( < 0.6 mm ) content of weathered stone on its shear strength are studied by using self-designed large-scale shear apparatus to conduct the direct shear test of two kinds of weathered stone gravel .

粗集料表面纹理粗糙度的分形测量和描述

Fractal measurement and characterization on roughness of coarse aggregate surface texture

不同粗集料组成的沥青混合料性能研究

Research on Performance of Asphalt Mixtures Composed of Different Coarse Aggregates

不同粗集料的沥青混合料的质量对比分析

The contrasting analysis of quality mixing asphaltum material in different granularity

流态混凝土粗集料最佳级配的研究

A study of optimal coarse aggregate grading of flowing concrete

粗集料性能对沥青混合料高温性能的影响

Influence of Coarse Aggregate Performance on High Temperature Performance of Asphalt Mixture

新旧规程粗集料试验方法的对比

Contrast of New and Old Testing Rules for Coarse Aggregate

粗集料对超高性能水泥基材料动态力学性能的影响

Influences of coarse aggregate on dynamic mechanical behaviors of ultrahigh-performance cementitious composites

再生粗集料混凝土基本性能的实验研究

Experimental study of on property of recycled coarse aggregate concrete

粗集料粒径对矿质混合料骨架稳定性影响分析

Effect of particles size of coarse aggregate on stability of aggregate blend

二灰碎石基层粗集料级配试验研究及理论验证

Gradation Test and Theory Validation of Coarse Aggregates in the Lime-ash Stabilized Aggregate

高温作用对再生粗集料性能影响的试验研究

An experimental study of high-temperature on it 's influences to recycled coarse aggregate

粗集料中心质效应的一些探讨

Some Research on the Core Effect of Coarse Aggregate

级配及测试方法对粗集料间隙率的影响分析

Analysis of Influence of Gradation and Testing Methods on Porosity of Coarse Aggregate

关于低品质粗集料抗冻性能研究

Frost resistance of the low quality coarse - aggregate

粗集料级配对道路混凝土抗折强度的影响

Effect of grading distribution of coarse aggregate on flexural strength of road concrete

通过对混合料试件的密度测试得出了形成骨架所必要的粗集料用量。

Coarse aggregate quantity can be identified by the dense test of the mixture .

钢渣替代粗集料配制混凝土的试验研究

Experimental research on slag in preparing the concrete