设计旧水泥混凝土路面沥青加铺层。
反射裂缝是加铺层结构设计考虑的重点。
Reflective cracking overlay structure is the focus of design considerations.
采用沥青面层作为原路面的加铺层是一种非常典型的补强方法。
The asphalt pavement surface layer as the overlay of the original pavement is a very typical reinforcement methods.
通过实践确定了沥青加铺层结构、配合比、施工工艺等关键技术。
Determined through practice asphalt layer structure, with the ratio of key technologies such as construction technology.
设置沥青加铺层是旧水泥混凝土路面补强改建最常用的有效措施之一。
Asphalt overlay is one of the effective methods, which can rebuild the used cement concrete pavement.
混凝土路面的加铺层设计是目前混凝土路面大修或改建工作中的重要环节。
The design of overlay on concrete pavement is an essential link in concrete road repair or rebuild.
为预防和延缓旧混凝土面层和沥青加铺层反射裂缝,国内外采用了各种修复措施。
Many prevention measures were adopted to prevent and stave the reflection cracking in the asphalt overlay on existing concrete pavements in the world.
实践证明,通过合理设计,配合精心施工,可以有效延长沥青加铺层的使用寿命。
The practice proves that through reasonable design with being meticulous in construction it could …
水泥路面白改黑工程中沥青找平层起着提供沥青加铺层工作平台和防反射裂缝的作用。
Asphalt leveling course has effect on providing working platform for asphalt leveling course and preventing reflection cracks in the "adding ac overlay on PCC pavement" project.
本文利用ANSYS有限元计算程序分析了沥青加铺层在车辆荷载作用下的应力状态。
The article analyzes the stress state of asphalt overlay in vehicle load by a calculation of finite dement procedure ANSYS.
沥青加铺层反射裂缝扩展过程要经历三个阶段:起裂阶段、稳定扩展阶段、破裂阶段。
The reflective crack go through three stages: the stage of crack arises, expand stage, break stage.
按照设计材料的概念和现代材料设计方法设计了水泥混凝土路面沥青加铺层材料FAC。
According to the concept of designing material and the modern material design method, a kind of asphalt overlay material FAC used on concrete pavements was designed.
结果表明:复合试件整体强度越高,上层钢纤维混凝土加铺层厚度越大,其疲劳寿命越长。
The results show that the fatigue life becomes longer with the increase of whole strength of compound structure and the increase of overlay depth of steel fiber concrete.
在交通荷载的作用下,旧路面对沥青加铺层形成的反射裂缝是造成沥青路面病害的主要原因之一。
The reflection crack of the old road surface to the asphalt is one of the main reason for the road diseases under the traffic load.
分析中包括了搭板的几何尺寸、材料因素、地基非均匀、枕梁及沥青加铺层对搭板弯拉应力及变形的影响。
The influence of geometric size, material properties of the slabs, inhomogeneous subgrade, sleeper beam and bituminous overlay on the bending stresses and deflection is investigated.
在旧水泥混凝土路面与沥青加铺层之间设置大粒径的沥青稳定碎石中间夹层,为这一问题的解决提供了新的方向。
So to establish a large-size asphalt treated base between asphalt overlay and old concrete pavement provides a new method to solve the problem mentioned above.
通过加铺层试验路观测与理论计算分析表明,大粒径沥青碎石裂缝缓解层可有效地防止或减缓水泥混凝土路面沥青加铺层的反射裂缝。
The investigations of testing highway and results of theoretic calculation indicate that the extra large-size asphalt macadam layer can prevents asphalt overlay from cracking effectively.
本文讨论移动荷载下、弹性半空间地基上的刚性道面水泥混凝土加铺层的动态设计理论和计算方法,并试图把此套方法与场道无损检测评估系统结合起来。
Research on theory and methods of the overlay on existing rigid concrete pavements, which is on semi-infinite elastic medium to moving load, is involved in this paper.
以哈阿公路为例对高寒区水泥混凝土路面加铺沥青层进行修复的方法进行了研究。
Take example as Harbin to Acheng Road, do some research of repair cold area cement concrete road that cover with asphalt.
利用拱形结构作为基础构架,加铺基质层,采用各种播种方法进行植被,是本试验的研究成果。
The successful result of this research is to use the arch structure as base with the substrates soil, and to plant seeds with different sowing methods in order to carry on the vegetation.
最后,对碎石化后水泥混凝土层的路面结构功能定位提出了对比分析结论,认为碎石化层可以直接作为新加铺沥青混凝土路面结构的基层或底基层,能满足新加铺路面结构的要求。
Last, the function of rubbled slab is ascertained, it shows that rubbled slab can be taken directly as base layer or under base layer, and meet the needs of new pavement.
因此继续开展旧水泥混凝土路面上加铺沥青层路面结构层性能的研究,是非常必要的。
It is necessary to study the performance of pavement structure on the asphalt overlaid on the old cement concrete pavement.
借助于等效弯曲刚度法和遗传算法,建立了一种复合材料加筋板铺层顺序优化设计算法。
A stacking sequence optimization design approach of composite stiffened panel was built up based on equivalent bending stiffness method and Genetic Algorithms (GA).
以哈阿公路为例对高寒区水泥混凝土路面加铺沥青层进行修复的方法进行了研究。
The fracture principle and mending technique of using in early stage of cement concrete pavement;
以哈阿公路为例对高寒区水泥混凝土路面加铺沥青层进行修复的方法进行了研究。
The fracture principle and mending technique of using in early stage of cement concrete pavement;
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