• 首先论文分析刚性基层沥青路面疲劳裂缝形成机理

    Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.

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  • 我国目前存在刚性基层沥青路面结构设计材料设计脱节问题

    There is a problem that structure design and materials design are disjointed about the asphalt pavement with semi-rigid base in our country.

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  • 研究结果可供高等级公路刚性基层沥青路面结构设计施工时参考

    In designing and constructing asphalt pavement structures with semi-rigid base course for the high-type highway, one can refer to the results from this research.

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  • 刚性基层沥青路面对象研究了路面应力应变模型计算方法

    Regarding semi rigid base asphalt concrete road as the main object, the model of road stress and strain and their calculating method were studied in the paper.

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  • 水泥稳定砂砾混合配合比保证半刚性基层沥青路面整体质量关键环节

    The design of the mixture ratio of the cement stabilized sand and gravel is one of the critical links to ensure the whole quality of the asphalt pavement on semirigid base course.

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  • 路面状况分析评价依据木桶理论探求半刚性基层沥青路面损坏模式

    In the analysis and evaluation of highway asphalt pavement conditions, the barrel theory was firstly used to seek the damage pattern of asphalt pavement.

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  • 刚性基层沥青路面作为过渡层时,可以有效改善半刚性基层收缩裂缝反射裂缝发生。

    Unbound aggregate base can efficiently retard the reflexion of cracks to asphalt pavement surface, which is aroused by the shrinkage crack of semi-rigid base in the inverted structure.

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  • 减少水泥稳定碎石基层材料裂缝延长半刚性基层沥青路的使用寿命至关重要

    It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.

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  • 我国高速公路路面广泛采用半刚性基层沥青路面这种路面出现早期破坏现象比较普遍。

    In China, the bituminous pavement with semi-rigid base is widely used in freeway, in which the early damage phenomenon is popular.

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  • 刚性基层沥青路面而言主要承重半刚性基层沥青面层一般只起功能作用,不起强度作用。

    As to the semi-rigid base bituminous pavement, the main bearing weight is basis on the semi-rigid layer. The bituminous pavement has a normal function, without any bearing strength.

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  • 传统半刚性基层沥青路面由于基层刚度大透水性较差面层反射裂缝多,路面过早发生疲劳开裂现象

    As primary stiffness, poor water permeability, reflective cracking of pavement surface layer. Traditional semi-rigid base asphalt pavement are easy to premature fatigue cracking phenomenon.

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  • 根据国内外研究成果,采用铺设新型材料—玻璃纤维格栅方法,是解决半刚性基层沥青路面反射裂缝问题的一个途径。

    According to the construction practice, this paper sums up the construction technology of glass fiber grid in the practical pavement and some problems needing attention.

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  • 基于断裂力学采用有限元程序,对两碎石夹层沥青路面结构常规半刚性基层沥青路面结构的断裂进行了对比分析

    Based on the cracking mechanism and FEM, the crackings on the grade crushed stone pavement and the semirigid base asphalt pavement are compared and analyzed.

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  • 本文国内外已有研究成果基础,根据国内普遍采用半刚性基层沥青路面一结构特点研究利用水泥为稳定剂的旧沥青路面的现场再生技术

    Based on the research results from home and abroad, and the characteristic of the widely-adopted semi-rigid pavement, the thesis studies the cold in-place recycling technology stabilized by cement.

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  • 沥青路面结构有多种形式我国经过多年应用实践选择半刚性基层结构形式,一种基于国情选择

    After many years of practical application in our country, we chose semi-rigid base structure form, and this choice is based on the national situation.

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  • 为了分析比较评价不同类型刚性基层材料冲刷性能半刚性基层材料设计提供依据研制了动水压力带裂缝沥青路面半刚性基层冲刷作用模拟试验机

    For analysing, comparing and appraising the anti-erosion properties of different kinds of semi-rigid base materials, offering the basis for the design, the simulation testing machine is developed.

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  • 刚性基层材料由于具有优良性能而常作为沥青路面水泥混凝土路面基层质量好坏直接影响道路路面的质量和寿命

    Semi rigid base course is widely used in Chinese super highway for its good character, the performance and life of pavement is influenced by semi rigid base course.

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  • 通过对比分析,结合具有级碎石基层半刚性基层沥青路面主要破坏类型分析,提出结构设计的控制指标

    Main form of structural default is found in semi-rigid pavement with unbound aggregate upper base through contrasting. And it suggests control index of structural design.

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  • 通过对比分析,结合具有级碎石基层半刚性基层沥青路面主要破坏类型分析,提出结构设计的控制指标

    Main form of structural default is found in semi-rigid pavement with unbound aggregate upper base through contrasting. And it suggests control index of structural design.

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