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在混凝土路面上加铺沥青面层是旧路改造的一种重要形式，但我国目前还没有相应的设计规范，使这种路面的设计带有经验性，缺乏科学的理论与依据。本文介绍应用落锤式弯沉仪(FWD)评价路面结构承载能力的方法及美国AASHTO旧混凝土路面上沥青加铺层设计方法。
Adding asphalt pavement on the concrete pavement is an important form of the reconstruction of the old road. However, there is no corresponding design norms in our country so that the design of this pavement is experienced and lacks scientific theory and basis. This article describes the application of falling weight deflectometer (FWD) to evaluate the bearing capacity of pavement structure and the design method of asphalt overlay on the old concrete pavement of AASHTO.