air voids

The results show that the VMA value computed by percent air voids in bituminous mixture plus percent total bitumen volume in bituminous mixtures is bigger than the VMA value by America method.

研究表明：我国的计算方法之一，用空隙率与总沥青用量的和计算的VMA明显偏大，有时难以排除不满足最小VMA要求的混合料。

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The paper studies the effect of air voids and asphalt cement on asphalt mixes fatigue properties with the five kinds of asphalt mixes composed of different type gradation.

采用五种不同级配类型沥青混合料，就沥青混合料的空隙率、沥青用量，对其疲劳性能的影响进行了系统地研究。

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Criterion of Air Voids Based on Permeability Characteristic of Asphalt Mixture

基于渗水特性的沥青混合料空隙率标准

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The result shows that the bubble generator jetting area ratio has an important influence on air voids with the best ratio being 6-10. The air voids increase with the fluid pressure and it will become stable when the fluid pressure is up to a certain value;

结果表明：气泡发生器的射流面积比对含气率有较大影响，最佳面积比为6～10；含气率随压力增高而增加，压力升到一定程度后，含气率趋于平稳；

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A Research on Influence Factors of Air Voids of Asphalt Mixture

沥青混合料空隙率影响因素研究

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Discuss the characteristic and elimination methods of air voids on fair-faced concrete surface

论清水混凝土表面气泡的特征与防治

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Mixture gradation deeply influences the pavement air voids.

沥青混合料生产级配对路面空隙率有重要影响。

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Test showed: taking pitch as medium, zero volume of air voids could be attained, it was theoretically well-conceived and practically applicable;

试验表明：以沥青为介质，得到了沥青混合料的零空隙状态，理论上严密，实践上可行；

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The influence of flotation reagent and pulp concentration on air voids was discussed.

探讨了浮选过程中浮选药剂浓度、矿浆浓度变化对含气率的影响。

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Pockets of air creating unnecessary voids between the particles are reduced in this manner.

创造在微粒之间的多余的空隙如此减少空气的口袋.

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Measurement of air voids in asphalt mixtures

沥青混合料空隙率测定方法的初探

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Influence on Asphalt Concrete Pavement Compaction and Air Voids

沥青混凝土路面压实及压实后孔隙率的影响

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The base has bigger percent air voids and can promptly detain pavement interior water, and can effectively reduce the reflection crack.

这种基层具有较大的空隙率，能及时排走滞留在路面内部的水分，并能有效地减少反射裂缝的发生。

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It is exponential relation between the resistivity and air voids of asphalt mixture.

电阻率与空隙率之间遵从一定的指数关系.

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Factors which influenced the compaction of asphalt concrete pavement, such as compaction temperature, air voids, speed, times and frequency of compaction, character of mixture were analyzed. How to improve the compaction quality of asphalt concrete pavement were discussed.

从碾压温度、碾压遍数和频率、混合料特性以及孔隙率等方面分析了影响沥青混凝土路面压实的主要因素，并且讨论了怎样才能提高沥青混凝土路面压实质量的问题。

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For aggregates and air voids as meso-structures, their physical properties 、 geometric shape and the interaction between them have a great influence on the mechanical properties of asphalt mixture.

集料、空隙等细观结构的物理性质、几何形态及它们之间的相互作用对沥青混合料的力学性质有很大影响。

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Sand patch testing, non-destruction density detection and air voids of cores experiment indicate that surfacing course of asphalt pavement has serious segregation.

构造深度试验、无损密度检测试验及芯样空隙率试验表明，沥青上面层离析严重；

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Double indexes of degree of compaction and percent air voids designed, or single index of ratio of theoretical maximum density of bituminous mixtures ( or field percent air voids) should be applied in construction.

施工中应采用压实度和设计空隙率双指标，或混合料理论最大密度比（或现场空隙率）单项指标控制路面的压实。

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Research on relationships between volume of air voids and gradation curve of mineral aggregate

沥青混合料空隙率与矿料级配曲线关系研究

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A bubble generator for flotation column was designed according to the principle of jet pump and its aerating performance has been experimented in the paper. The relationship among the structure parameter of bubble generator, the fluid pressure, suction pressure and air voids were researched.

根据射流泵原理设计了一种浮选柱气泡发生器，并对其充气性能进行了试验，研究了气泡发生器结果参数、流体压力、负压与柱内含气率的关系；

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The deformation and damage of bituminous mixture with different air voids were investigated.

实验研究了不同空隙率沥青混合料的形变及破坏.

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The results show that percent air voids and percent of voids filled with asphalt in asphalt mixtures have great influence affect K value which indicates the extension of fatigue life.

研究表明：混合料饱和度和空隙率对K值，即沥青混合料疲劳寿命有较大影响；

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From this analysis, it appears that the interaction of asphalt content and fine gradation has the most significant effect on the percentage of air voids.

从这分析，看起来，沥青内容和美好的渐进性的互作用有最重大的作用在气氛空隙的百分比。

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So, the gradation design of asphalt mixture based on the air voids is very important.

因而，基于空隙率的级配设计显得至关重要。

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The research results show that the absorption coefficient of asphalt mixture can be greatly improved by improving air voids and reducing nominal maximum size of aggregate.

结果表明，提高空隙率，采用较小最大公称粒径级配的方案都能有效提高沥青混合料的吸声降噪能力。

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Through modified Immersion Marshall Test at different temperatures and different air voids, the paper presents some betterment measures on Immersion Marshall Test.

然后通过改进浸水马歇尔试验的的研究，分析了不同温度及空隙率对沥青混合料水稳定性的影响，提出了对现行浸水马歇尔试验的改进。

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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.

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。

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Three kinds of porous asphalt mixtures with different bitumen but same air voids were tested, the performance of asphalt mixture AC-16-ⅰ was analyzed.

对三种空隙率相同，但沥青结合料不同的排水性沥青混合料及一种密级配沥青混合料AC-16-Ⅰ进行了性能试验。

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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;

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；

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