CRC+AC刚柔复合式路面结构与工程应用

复合式路面是指面层由两层不同材料类型和力学性质的结构层复合而成的路面,近年来在我国也有较多应用,而CRC AC刚柔复合式路面的应用较少。论述了CRC AC复合式路面的结构组成、结构形式、结构力学特点与优点、层间界面结合技术以及近年来的工程应用等,阐明了CRC AC的结构受力特性、端部变形特性、层间结构与材料以及其适用条件。研究表明:CRC AC复合式路面具有良好的整体结构承载能力和使用性能,是一种可充分利用当地资源和材料、结构强度高、使用寿命长、经济性和耐久性好的资源节约和环境友好型的路面结构,是我国重载交通干线高速公路长寿命路面结构的型式之一,并在我国的道路工程中多次应用。

Rigid-flexible Composite Asphalt Pavement of CRC+AC Structure and Its Engineering Application

Composite pavement is such a pavement combined by two structure layers of different materials and different mechanical properties,which is applied in China in recent years while the application of rigid-flexible composite pavement of CRC AC is less.Structure composition,structure forms,structure mechanical characteristics and advantages,interlaminar interface bonding technology and engineering application of composite pavement of CRC AC were discussed.The structure load characteristics,end deformation characteristics,interlaminar structure and material and its application conditions of CRC AC were illustrated.The research result shows that composite pavement of CRC AC possesses good integral structural bearing capacity and service performance.It is a rigid-flexible pavement structure of economic and environment-friendly resource with the characteristics of high structural intensity,long service life,economy and durability,which could be used adequately as a local resource and material.It is one type of the long-lived pavement structure for heavy load traffic expressway,which is applied repeatedly in road engineering in China.