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- It is concluded from the study that the absorption coefficient depends upon the air voids of asphalt mixture. 发现空隙率尤其是有效空隙率是影响沥青混合料吸声系数的关键因素;
- The deformation and damage of bituminous mixture with different air voids were investigated. 摘要实验研究了不同空隙率沥青混合料的形变及破坏。
- In according the statistical analysis show that 20% air voids was recommended to be the appropriate air voids contend. 依据统计分析结果显示孔隙率在20%25时净化空气能力为最佳。
- 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。
- The authors analyzed the effects of thickness, gradation, maximum nominal (dimension) and percent air voids on the rut. 分析了大粒径沥青混合料的级配、最大粒径、空隙率和不同厚度对车辙的影响。
- Micromechanics theory was employed to investigate the effect of coarse aggregates and air voids on asphalt mixtures’ viscoelasticity. 摘要 利用细观力学方法分析了粗集料和空隙对沥青混合料的粘弹性能的影响。
- The numerical calculation result shows that the viscosity and air voids of drilling fluid have notable influences on the transmission of DPSK signal. 数值计算表明,钻井液黏度和含气率对信号传输的影响最大。
- The increase of cellulous fiber in the hybrid fiber can result in the increase of optimum asphalt content, the reduction of density, air voids and Marshall stability. 同时随着混杂纤维体系中木质素纤维比例的增加,沥青混合料的最佳沥青用量增加,密度下降,空隙率和马歇尔稳定度呈减小趋势。
- This paper analyzes the influence of mineral aggregate gradation in asphalt mixture on volume of air voids (vv) by utilizing grey connection analysis theory. 摘要利用灰色关联分析原理,分析了沥青混合料矿料级配对空隙率的影响。
- 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。
- Development of such framework provides a clue to quantify the spatial distribution of air voids based on the information obtained from section plane of concrete. 该方法的给出,为从二维截面上获得的引气混凝土中的气泡截面圆信息获取实际气泡在二维空间中的气泡间距信息提供了依据。
- The results indicate that the three important elements which influence traffic noise reduction of asphalt rubber pavement are AC content, aggregate grades and ratio of air voids. 研究结果表明,影响橡胶粉沥青混凝土路面降噪性能的主要因素有3个:橡胶粉的掺入量、骨料配合比和空隙率。
- 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;
- Tests show that clay in fine aggregate affected the water stability of asphalt mixture markedly; the permeable critical air void is 7.5? 试验表明;集料泥土污染对沥青混合料水稳性影响显著;沥青混合料的渗水临界空隙率为7.;5%25。
- Pavement Quality Indicator (PQI),a nondestructive monitor device,is introduced which canobtain a great deal of air void data of asphalt pavement fast. 沥青路面质量指示仪(PQI)是一种无损检测设备,可以快速、大量地获得路面空隙率数据。
- Effects of high-frequency vibration on air void parameters of air-entrained concrete with four different types of air entraining agents (AEA) were studied. 摘要研究了高频振捣对不同品种引气混凝土气泡参数的影响。
- In addition,air void parameters for BNS concrete and PCE concrete and combinations of PCE with AVCs were tested to verify which one takes advantages to resi... 另外,对混凝土分别单掺萘系减水剂(BNS)和聚羧酸系减水剂(PCE),以及混掺AVC与PCE后的孔隙系统质量的优劣情况,本文也作了比较。
- In this regard,several air entraining agents(AEAs) and air void controllers(AVCs) were investigated with respect to their effects to improve air void parameters in the paper. 为此,本文研究了几种引气剂(A EA)和孔隙质量控制剂(A VC)在改善硬化混凝土气泡参数时所起的作用。
- 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。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。