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中国公路桥梁公司承包的非洲科特迪瓦A—A路补强工程,是用沥青砂对旧沥青路面层进行补强的工程。文中介绍了该工程中使用的沥青砂面层施工方法及其材料技术指标,同时还详细地介绍了在科特迪瓦极端最高气温达41℃条件下沥青砂面层能达到稳定的材料要求及施工方法等。本文对盛产砂的我国南方地区的路面修筑颇有借鉴价值。
The reinforcement project of A-A Road in Cote d’Ivoire, which is contracted by China Highway & Bridge Corporation, is a project to reinforce the old asphalt pavement with tar sands. In this paper, the construction methods and material technical indexes of asphalt sand surface used in this project are introduced. Meanwhile, the material requirements and construction methods of asphalt sand surface stable under the condition of the highest extreme temperature of Côte d’Ivoire up to 41 ℃ are also introduced in detail. . This article is rich in sand for the pavement construction in southern China quite a reference value.