• 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.

    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。

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  • Structural design method of unbound aggregate upper base is analyzed through field test, laboratory test and theory study.

    室内试验理论分析两方面级配碎石基层结构设计方法进行研究。

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  • 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.

    通过对比分析,结合具有级配碎石基层半刚性底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

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  • The structure forms and the construction craft of unbound graded aggregate base are analysed. It will be of some use in unbound graded base which are used for base of road.

    深入分析了碎石基层路面结构形式施工工艺,对级配碎石广泛应用于路面基层具有一定的指导意义。

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  • The structure forms and the construction craft of unbound graded aggregate base are analysed. It will be of some use in unbound graded base which are used for base of road.

    深入分析了碎石基层路面结构形式施工工艺,对级配碎石广泛应用于路面基层具有一定的指导意义。

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