But during the construction of high - grade highway , our highway departments have concentrated on the capacity of pitch mixtures and ignored the capacity of the rock materials . the small scale , clutter kinds , high cost and different quality of rock material production lead to the large gap between the standard of our pitch pavement and foreign modern standard 但在高等级公路的建设过程中，我们的公路部门大都将注意力集中于沥青胶合料的性能上，往往忽视了矿料的性能，加上石材生产规模性差、品种杂、成本高、质量参差不齐等问题，使得我国沥青路面的建设水平与国外先进水平相比差距较大。
Firstly , the dissertation gives an elaborate discourse on inflence on asphalt matrix with variation of fiber and mineral filler content . subsequently the inflence on volum index with the change of aggregate graduation is analysed . moreover , by means of indoor and road test of sma mixture , road performance of sma is discussed 通过变化纤维用量和矿粉用量研究了其对沥青玛蹄脂性质的影响，分析了矿料级配对体积指标的影响，并通过试验分析研究了其各自对混合料的低温和高温路用性能的影响，最后初步确定了适合甘肃省气候特点的sma混合料级配。
In this article we will prove the feasibility of highway construction rock material production base in hubei province from three aspects : economy , technique and finance . then we will researche the management of rock material production base from two points of view : property right dividing and corporate governance . and we hope the production base may improve the capacity of pitch mixture and prolong the pitch pavement life by modern production technics , scientific composing design and high economic income and serve for the construction of high - grade highway in hubei province 本文从经济、技术和财务三方面论证了建立湖北省公路建设石材生产基地建设方案的可行性，并从产权界定和公司治理结构两个角度对石材生产基地的运营做了进一步深入的研究，希望以精良的矿料制备、科学的组成设计和较高的经济收益，来改善沥青混合料的路用性能，延长沥青路面的使用寿命，更好地服务于湖北省的高等级公路建设。
In the paper , by using bp ( back propagation ) method of ann , we can get the relationship between grading , asphalt - aggregate ratio , bulk density , percentage of voids , test temperature and ds . at the same time , we can get the relationship between grading , asphalt - aggregate ratio , bulk density , percentage of voids , test temperature and viscoelastic parameter . at last , we can estimate the ds and draw the deformation curve 本文应用bp人工神经元网络，建立沥青混合料的矿料通过百分率、沥青用量、毛体积密度、空隙率、试验温度与沥青混合料粘弹性参数的关系，或建立沥青混合料的矿料通过百分率、沥青用量、毛体积密度、空隙率、试验温度与车辙试验动稳定度值的关系，从而预估车辙试验的动稳定度值和绘制车辙试验变形曲线。
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。
The grade composite , road performance and its mechanism are systemically studied . 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades . then the grade is verified and the relation between the grade and pore rate is studied statistically , the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content , thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper , it shows : asphalt paste , as well as the coarse aggregate skeleton , is essential to the mechanics of ogfc 在分析各国ogfc级配的基础上，运用矿料体积法进行ogfc级配设计，用正交实验对矿料级配进行了优化设计，运用数理统计方法分析矿料级配和孔隙率之间的关系，并回归出矿料关键筛孔通过率与ogfc骨架空隙结构关系的数学方程，进而提出了ogfc的合理级配；通过对不同孔隙率典型级配混合料的性能研究，综合力学和功能性能，得出了ogfc的合理孔隙率范围：针对高速公路面层对ogfc力学性能方面的要求，本文从沥青胶结材料、纤维稳定剂两方面对ogfc的性能进行改善：通过sbs和橡胶粉复合改性的方法开发出了适合ogfc的高粘度改性沥青，掺加聚合物纤维，提高ogfc的最佳沥青用量，进而改善了混合料的高温性能和抗水损害性能，优化设计出能满足高速公路路用性能，车辙动稳定度达5000次/ mm以上，动融劈裂强度比90 ，透水系数31ml / s ，并具有防滑降噪功能的开级配沥青磨耗层( ogfc )混合料。
It is expectative because of both its eminent performance and simple construction technology , and its economical preponderance . through the test of the six fibers and three gradations , the asphalt mixture of different combination , this paper analyses the fibers influence on the pavement performance , expatiates the strengthening mechanism of the fiber asphalt concrete pavement with theory of composite material and the interfacial chemistry 本文通过六种纤维和三种矿料级配的沥青混合料大量室内试验研究，全面分析了纤维对沥青混合料路用性能的影响，结合复合材料理论和界面化学知识，较系统的阐述了纤维对沥青混合料路用性能的改善作用机理。
Content of asphalt , aggregate gradation , marshall stability , ratio of bitumen to aggregate and spalling adhesiveness are expatiated in terms of the stability of modified asphalt mixture at high temperature for ji - mu highway measured on the spot , and the rutting damage and control measures are also analysed 摘要根据鸡牡公路工程实践，通过现场试验段割条测试改性沥青混合料高温稳定性，阐述了沥青含量、矿料级配、马歇尔稳定度、油石比、矿料粘附性等，对车辙产生的危害，以及控制措施。
Abstract : in this paper , the relation between the void in mineral aggregate ( vma ) and bituminous mixture capability are analyzed . the void in mineral aggregate is calculated based on the compose - parameter of bituminous mixture . the paper presents the method of proportioning design that controls the void in mineral aggregate , and the result has been checked out by marshall test and wheel tract test 文摘:分析了矿料间隙率对沥青混合料路用性能的影响规律.计算了各种混合料组成参数时矿料间隙率的大小.提出了通过控制矿料间隙率来进行沥青混合料配合比设计的方法，并通过马歇尔实验和车辙实验来加以检验
