The application research of CSW in paving asphalt was carried on.
对硫酸钙晶须在道路改性沥青中的应用进行了系统研究。
This rubber containing asphalt can be used as paving asphalt for highway and airport.
橡胶沥青适宜于铺筑公路沥青路面和机场道面。
The result shows that the aging of high grade paving asphalt is a first order reaction.
结果表明,高等级道路沥青老化属于一级动力学反应。
The said method was easy to handle and it was predicted to save more than 50% paving asphalt.
该方法简单、易操作,预计可以节约50%以上的铺路沥青。
The characteristics of seven typical domestic and international product standards of paving asphalt were introduced.
介绍了目前国内外六个有代表性的道路沥青产品标准的特点。
Asphalt Thin Film Oven Test Method is an important inspection item of heavy traffic paving asphalt and paving asphalt.
石油沥青薄膜烘箱试验是重交通道路石油沥青和道路石油沥青的重要检测项目之一。
Waste tire and plastic are sources of polymers. After some special process, they can be used as paving asphalt modifier.
使用改性剂改善沥青的路用性能成为生产高等级公路沥青的新方法之一。
Because of the advantages of asphalt pavement, the way of paving asphalt surface on city old concrete roads are more and more popular.
由于沥青路面的诸多优点,城市旧混凝土路面加铺沥青面层的旧路处理方式越来越受到青睐。
As a result, the original colloidal structure of colored paving asphalt is destroyed, which deteriorates the colored paving performance.
沥青胶体的原有平衡体系遭到破坏,导致沥青使用性能变坏。
The polymer modifier can improve the performance of the paving asphalt on flexibility at low temperature and reversible elastic deformation.
聚合物用作改性剂可以提高沥青的软化点,改善沥青的低温柔韧性,提高延度,使沥青产生可逆的弹性变形。
Therefor rutting resistance of a paving asphalt mixture is one of the important considerations in standard procedures for asphalt mix design.
因此,沥青混合料的抗车辙能力是一个在设计沥青混合料过程中必要且重要的因素。
The results show that the presented dynamics models can be used to describe the aging velocity of the two kinds of colored paving asphalt perfectly.
结果表明:提出的两种老化动力学模型能够很好地描述两种彩色道路沥青的老化速率。
By adding stabilizer to SBS modified paving asphalt, SBS and base asphalt form a homogeneous system and thus its storage stability has been improved.
对于SBS改性沥青,通过加入稳定剂使SBS与基础沥青反应形成了一相,从而解决了储存稳定性。
FCC slurry blending with the asphalt from propane deasphalting unit to produce heavy traffic paving asphalt has been tested by adopting uniform recipe design scheme.
采用配方均匀设计方法,制定试验方案,对FCC油浆与丙脱沥青调合生产重交通道路沥青进行试验研究。
The article elaborates on several key points of paving asphalt concrete surface on cement concrete pavement, whose main effect is to improve the success rate of reinforcement.
论述了水泥砼路面加铺沥青砼路面的几个关键环节,主要效果是提高加强的成功率。
The mechanism of CSW modifying paving asphalt was analyzed and discussed based on the mechanism of fiber treating asphalt, solubility theory, colloid and interface theory, etc.
结合纤维改性沥青机理、溶解度理论、胶体理论以及界面层理论等对硫酸钙晶须改性沥青机理进行分析探讨。
The experiment of producing heavy traffic paving asphalt was carried out with the FCC slurry and the propane deasphalted asphalt as the feedstock by uniform prescription design method.
以FCC油浆和丙脱沥青为原料,采用配方均匀设计方法,进行调合生产重交通道路沥青的研究。
The polymers used as the paving asphalt modifier are reviewed in this paper. The types of the polymers, the preparation method of the modifier and the modification mechanism are summarized.
介绍了可用作沥青改性剂的聚合物种类和改性剂制备方法,并主要综述了聚合物改性剂的改性机理。
Paving asphalt of AH-70 has higher reaction active energy, less reaction velocity constant, lower aging velocity and better aging resistance performance than that of paving asphalt of AH-90.
与AH-90相比AH-70沥青具有较高的反应活化能,反应速度常数较小,具有较低的老化速率和较好的抗老化性能。
The industry application indicated that the paving asphalt penetration ratio could be improved significantly by using a small amount of this improver. The quality of paving asphalt was also improved.
工业试验证明:使用该改进剂后,道路沥青的针入度比提高明显,可改善道路沥青针入度比的不足,提高沥青产品的质量。
The result of paving the experimental road section showed that the fiber asphalt mixture had good usage effect, longer road usage life, lower maintenance cost, and better economic and social benefit.
试验路铺筑结果表明:纤维沥青混合料具有良好的使用效果,可延长道路使用寿命,降低养护成本,有较好的经济和社会效益。
The important parameters that influence the mechanical property of the paving layer on an orthotropic steel bridge deck are the paving layer thickness and modulus of the asphalt concrete surfacing.
影响正交异性钢桥面铺装层力学性能的重要参数有铺装层的厚度和沥青混凝土铺装层的模量。
The paper introduces the quality control of asphalt concrete mixing, paving and rolling in construction of the west section of Airport-He'ao Expressway in Shenzhen.
重点介绍了机荷高速公路西段沥青混凝土面层施工中沥青混凝土的生产拌制、摊铺、碾压施工等环节的质量控制。
The SBR modified asphalt which has good low temperature property is widely used for high grade road paving.
SBR改性沥青具有优良的低温性能,广泛应用于高等级道路的铺筑中。
In this paper, the laying of asphalt for waterproofing and asphalt paving method waterproof layer the two aspects were described, to provide reference for related housing construction officers.
本文就沥青防水层的铺设准备和沥青防水层的铺设方法两个方面进行了阐述,以供相关房建人员参考。
Paving slurry seal course made of SBR emulsified asphalt is an effective way for asphalt pavement maintenance, and we have had good command of this method after many trials.
采用丁苯胶乳改性乳化沥青,按适当的比例配制成稀浆铺筑沥青路面。稀浆封层是今后路面养护的主要措施。
The quality of different roof runoff exist differences as well, asphalt roof runoff have higher concentration of pollutants while paving roof runoff roof surfaces have better water quality.
各屋面雨水径流中污染物含量有所不同,沥青屋面雨水径流污染物含量较高,铺砌屋面雨水径流水质较好。
The quality of different roof runoff exist differences as well, asphalt roof runoff have higher concentration of pollutants while paving roof runoff roof surfaces have better water quality.
各屋面雨水径流中污染物含量有所不同,沥青屋面雨水径流污染物含量较高,铺砌屋面雨水径流水质较好。
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