【Key words】 Semi rigid bituminous surface; Early failure; Waterproof; Drainage
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半刚性基层沥青路面 semi-rigid asphalt pavement ; semi-rigid base asphalt pavement ; semi-rigid base course asphalt pavement
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半刚性沥青路面早期破坏的因素较多。
There are many causes on early damage of semi-rigid asphalt pavement.
根据河南省的自然情况，结合近年来河南省高速公路半刚性沥青路面出现的早期破坏现象，从多方面分析了产生病害的原因。
The reasons are analysed in ways and means to combined with early failure of expressway half rigidity base bituminous surface according to Henan province natural conditions.
通过全寿命周期分析方法，提出半刚性沥青路面最合适的养护时机，使所需养护维修费用最少，为道路使用者提供良好的通行环境。
This paper presents right maintenance time of semi-rigid asphalt pavement through life-cycle cost analysis, which could make the least maintenance cost for manager and best surroundings for users.
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