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结合昌樟(南昌—樟树)高速公路水损害的特点和江西省气候水文特征,分析昌樟高速公路沥青混凝土路面产生水损害的主要原因。综合考虑沥青混凝土路面各个结构层的排水性能,从中央分隔带、路面结构内部、集水井、路堑边沟加深以及特殊路段等方面出发,提出解决昌樟高速公路水损害的设计方法和施工工艺,经过对施工后昌樟高速公路排水效果和路面水损害的调查,表明这些措施能够有效地降低沥青混凝土路面的水损害,并且在施工过程中几乎不影响交通。
Combined with the characteristics of water damage of Changzhang (Nanchang - Zhangshu) expressway and the climatic and hydrological characteristics of Jiangxi Province, the main causes of water damage of asphalt concrete pavement of Changzhang Expressway are analyzed. Considering the drainage performance of each structural layer of asphalt concrete pavement, this paper puts forward the design method and construction technology to solve the water damage of the Chang Zhang Expressway from the aspects of the central divider belt, the interior of the pavement structure, the deepening of the collector wells, the cutting edge ditch and special sections, After the construction of Chang Zhang highway drainage effect and pavement water damage survey, indicating that these measures can effectively reduce the asphalt concrete pavement water damage, and in the construction process almost does not affect the traffic.