| 1. | Study on pavement performance of hma mix ' s aggregate gradations near restricted zone
沥青混合料禁区路用性能研究 |
| 2. | Firstly , aggregate particles of various sizes were generated for a given aggregate gradation curve and aggregate area fraction
首先，按照骨料级配曲线和面积百分比，生成各种尺寸的骨料颗粒。 |
| 3. | Extraction tests were conducted on asphalt concrete specimens sampled from field roads . asphalt concrete and aggregate gradation were compared to design and acceptance specifications
对实际路面取样进行了抽提试验并与规范进行了比较分析。 |
| 4. | The paper has put forward and testified four utilizable aggregate gradation . because the method of preparing samples has certain effect on material property parameter of mixture , the paper recommend static preparing method be adopted
试件成型方法对大孔隙水泥稳定碎石混合料的材料性能参数有一定的影响，本文推荐室内试件成型方法为静压成型。 |
| 5. | Research results indicate that aggregate gradation extracted from field samples are out of gradation bounds specified in the design file , which can be one of the contributing factors in the development of pavement distress , especially premature failure
研究结果表面沥青混合料的级配超出设计范围可能是影响路面长期性能并呈现早期破坏的原因之一。 |
| 6. | The aggregates gradation of lime - fly ash stabilized aggregates which is recommended by design specification of highway asphalt pavement is finer , so that the anti - bnishing performance and the anti - crack performance of lime - fly ash stabilized aggregates are worse
《公路沥青路面设计规范》中推荐的二灰稳定碎石基层的集料级配偏细，导致其抗冲刷性能和抗裂性能较差。 |
| 7. | Based on uniaxial penetrating test , the effects of aggregate gradation , aggregate physical properties , asphalt binder properties , asphalt content , air void and homogeneity on shear resistance of asphalt mixture were investigated directly at 60
摘要为了研究沥青混合料抗剪强度的影响因素，基于单轴贯入试验，在温度为60时，直接对集料级配、集料性质、沥青性质、含油量、空隙率以及均匀对沥青混合料抗剪强度的影响进行研究。 |
| 8. | Lots of laboratory test has been carried out to study the design method of atpb , the analysis of resulting data has been described to determine the effects of aggregate gradation and asphalt content on the permeability and the resilient modulus of atpb materials
在参考国外研究成果的基础上，通过室内试验的不断调整，最后确定出三种符合各项目标性质指标的级配，同时总结出对于大空隙开级配沥青混和料沥青最佳用量的确定方法。 |
| 9. | This thesis for the first time bases its analysis on the maintenance characteristics and repair mechanisms for crack filling and pothole repair in asphalt roads . it analyzes the properties of the aggregate and the bituminous binder in patching materials , and further analyzes the compatibilities of the aggregate and the bituminous binder , patching materials and old pavement materials . furthermore , it determines the grading types , the mineral aggregate gradations , the application rate of asphalt , the principle of selecting component materials and the air void
本文首次依据沥青路面裂缝填封和坑槽修补的维修特性和修补机理，全面分析了修补材料中集料与沥青结合料应具备的性能要求，并对集料与沥青结合料、修补材料与原有路面材料的相容性进行了深入的分析，同时分析确定了修补材料的级配类型、矿料级配、沥青用量范围、组成材料的选用原则及空隙率等。 |
| 10. | The specific structure endues the sbs with the superior properties and the sbs is the most useful modifier . according to technical specifications for construction of highway asphalt pavement , climate and design , the shell - 90 asphalt is modified by sbs and conclusions are followed : ( 1 ) the aggregate gradation of mixture is determined by marshall stability experiments . the most suitable content of asphalt is also determined as 4 . 9 % for general asphalt and 4 . 8 % for modified asphalt
本论文按照《沥青路面施工技术规范》的要求,结合苏州的气候特点和实际设计、施工要求,对壳牌90 #沥青进行了sbs改性研究,得到如下结论: ( 1 )利用马歇尔法确定了混合料的级配,并确定了最佳沥青用量,对基质沥青的最佳用量为4 . 9 % ,改性沥青的最佳用量为4 . 8 % 。 |
