• 设计水泥混凝土路面沥青加铺

    Designing asphalt over layer on the concrete pavement.

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  • 反射裂缝加铺层结构设计考虑重点

    Reflective cracking overlay structure is the focus of design considerations.

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  • 采用沥青作为路面一种非常典型补强方法

    The asphalt pavement surface layer as the overlay of the original pavement is a very typical reinforcement methods.

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  • 通过实践确定了沥青加铺结构配合比施工工艺关键技术

    Determined through practice asphalt layer structure, with the ratio of key technologies such as construction technology.

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  • 设置沥青加铺层水泥混凝土路面补强改建常用有效措施之一

    Asphalt overlay is one of the effective methods, which can rebuild the used cement concrete pavement.

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  • 混凝土路面设计目前混凝土路面大修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.

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  • 预防延缓混凝土沥青反射裂缝,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.

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  • 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

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  • 水泥路面白改黑工程沥青找平起着提供沥青铺层工作平台反射裂缝作用

    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.

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  • 本文利用ANSYS有限元计算程序分析沥青加铺层车辆荷载作用下应力状态

    The article analyzes the stress state of asphalt overlay in vehicle load by a calculation of finite dement procedure ANSYS.

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  • 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.

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  • 按照设计材料概念现代材料设计方法设计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.

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  • 结果表明复合试件整体强度越高,上纤维混凝土铺层厚度越大,疲劳寿命越

    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.

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  • 交通荷载作用路面沥青加铺层形成反射裂缝造成沥青路面病害主要原因之一

    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.

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  • 分析包括了搭几何尺寸材料因素、地基非均匀沥青加铺层搭板弯拉应力变形影响

    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.

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  • 水泥混凝土路面沥青加铺层之间设置粒径的沥青稳定碎石中间夹这一问题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.

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  • 通过试验观测理论计算分析表明粒径沥青碎石裂缝缓解有效地防止或减缓水泥混凝土路面沥青加铺层反射裂缝。

    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.

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  • 本文讨论移动荷载下、弹性半空间地基刚性道面水泥混凝土的动态设计理论计算方法试图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.

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  • 哈阿公路高寒区水泥混凝土路面沥青进行修复方法进行了研究

    Take example as Harbin to Acheng Road, do some research of repair cold area cement concrete road that cover with asphalt.

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  • 利用拱形结构作为基础构架,基质采用各种播种方法进行植被试验研究成果

    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.

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  • 最后,对碎石化后水泥混凝土路面结构功能定位提出了对比分析结论,认为碎石化可以直接作为加铺沥青混凝土路面结构的底基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.

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  • 因此继续开展水泥混凝土路面加铺沥青路面结构性能研究非常必要的。

    It is necessary to study the performance of pavement structure on the asphalt overlaid on the old cement concrete pavement.

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  • 借助于等效弯曲刚度遗传算法,建立一种复合材料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).

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  • 哈阿公路为例对高寒区水泥混凝土路面加铺沥青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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  • 哈阿公路为例对高寒区水泥混凝土路面加铺沥青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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