【作者】 郝攀；

【导师】 凌天清；

【作者基本信息】 重庆交通大学 ， 管理科学与工程， 2008， 硕士

【摘要】 半柔性路面是一种新型路面结构形式,它是将特殊级配的水泥胶浆灌入大空隙母体沥青混合料中而形成的一种路面。半柔性路面在国外已进行了大量的研究并加以应用,但在国内对半柔性路面的施工工艺及其机械配置的研究尚处于起步阶段,未得到充分的研究和推广应用。半柔性路面具有高于水泥混凝土的柔性和高于沥青混凝土的刚性,既具备沥青路面和水泥路面的优点又屏蔽了两者的缺点,因此,对其进行开发和应用研究具有现实意义和发展前景。本论文在参考国内外研究基础上,并依据依托工程的使用效果对半柔性路面母体沥青混合料的配比以及水泥砂浆的配比和材料要求作了相关规定。在参考OGFC路面施工工艺的基础上对母体沥青混合料的施工工艺进行了较为详尽的分析总结。提出了三种用于水泥砂浆施工的方法:人工拌合灌入法、厂拌法及稀浆封层机施工法。首先结合依托工程,对现阶段水泥砂浆的施工方法作了较为详尽的介绍,指出了其存在施工效率低、精度差、机械配置简陋等不足之处,然后根据国内现有的路面施工机械,对半柔性路面水泥砂浆施工的机械配置作了较为全面的研究。提出了用稀浆封层机等配套机械施工水泥砂浆的新工艺:备料--稀浆封层机拌合与灌入—小型振动压路机辅助灌入—清扫机清理残余水泥砂浆—养生。另外,本文在施工工艺研究的基础上,对半柔性路面施工定额、技术经济特点作了相应的研究。提出了母体沥青混合料的施工定额参考、三种水泥砂浆施工方法的施工定额参考以及半柔性路面与同体积普通沥青路面的施工成本比较。得出半柔性路面在技术经济上的优势。本文得到了西部交通建设科技项目“高性能半柔性复合路面与基层的开发应用研究”的资助。更多还原

【Abstract】 Semi-flexible pavement is generally described as a new composition pavement, which is filled with Portland cement grout in open-graded matrix asphalt mixture.A great deal of research had been done and taken into the application in domestic and overseas.But the research about the construction methods and the machine collocation of semi-flexible pavement is still in the start stage in our Country,the application of the pavement in road hasn’t got well researched and generalized.Semi-flexible pavement behaves with more rigidity than asphalt pavement and more flexibility than cement pavement.It has both virtues of normal asphalt and cement pavement but avoids the defects of them.So,it has Practical meaning and development prospects to study its application technology.On the basis of present study in domestic and overseas,and according to the result of the supporting project,some regulations are made about the match for matrix asphalt mixture and cement mortar as well as about the materials used in the semi-flexible pavement.Referring to the construction methods of OGFC,some analysis and conclusion are made about the construction methods of matrix asphalt mixture.Then three construction methods were made:Manpower construction;Factory construction and Slurry seal coat machine construction.First of all,according to the supporting project,some elaborate introduction was made about the construction methods of cement mortar presently,and mentions its disadvantages:low efficiency,low precision and simple machinery.Then,on the foundation of current pavement machine in china,it does a complete study on the construction configuration for cement mortar construction of semi-flexible pavement.It also suggests a new construction method called slurry seal coat machine method with other machines:preparation--mixing with slurry seal coat machine-irrigating with little librating roller-cleaning abundant cement mortar with cleaning car-preservation.What’s more,on the basis of the construction methods,it does some studies about the construction norm and technological economy.The reference of semi-flexible pavement construction norm and three construction methods about cement mortar are put forward,as well as the comparison of the construction between the semi-flexible pavement and the normal asphalt concrete.Then,the advantage on technological economy is apparent for semi-flexible pavement.更多还原