“pavement design service life”的概念、定义、翻译、参考文献-科学参考

单词	pavement design service life
释义	pavement design service life Encyclopedia 工学公路路面释 pavement design service life路面设计寿命对于沥青路面而言，路面设计寿命指在正常设计、施工、使用和养护条件下，路面不需要结构性维修的预定使用年限。对于混凝土路面而言，采用的是设计基准期的概念，它是指计算路面结构可靠度时考虑各项基本度量与时间关系所采用的基准时间段。
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