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- Improvement the quality of the concrete air void system by filling AEA and AVC 通过掺加AEA或AVC改善混凝土孔隙系统的质量
- air void system 孔隙系统
- 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。
- 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 resist to cyclic freezing and thawing. 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AV C与PCE后的孔隙系统质量的优劣情况,本文也作了比较。
- The calculation results are compared with the surface parameter from the current erosion-dilation techniques, and verified by the traditional air void ratio of uncompacted coarse aggregates. 将其计算结果与目前侵蚀膨胀法的表面参数指标进行了对比分析,并采用粗集料松装空隙率对粗糙度与分形维数2个图像指标进行了验证。
- Masad E,ASCE AM, Jandhyala VK, Dasgupta N,etc. Characterization of Air Void Distribution in Asphalt Mixes Using X-ray Computed Tomography [J].JOURNAL OF MATERIALS IN CIVIL ENGINEERING MARCH/APRIL2002. 郝培文.;沥青混合料配合比设计方法研究(博士学位论文)[D]
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- 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 lack of air in the room make everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- 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。