【作者】 吴海波；

【导师】 程永春； 朱小辉；

【作者基本信息】 吉林大学 ， 交通运输工程， 2012， 硕士

【摘要】 路面是路基上的带状结构，直接承受荷载和气候因素的作用，在公路建设中占重要地位，沥青路面具有足够的力学强度承受车辆轮胎产生的各种作用力，行车舒适、平整、无扬尘，振动和噪音小，被广泛应用于高等级公路路面。随着国民经济的发展，交通量迅速增加，车辆大型化、重载、渠道化等问题日益严重，对沥青路面提出了更高要求。对沥青混合料、沥青路面结构组合、沥青路面设计与施工技术等的不断研究提高了沥青路面使用性能。但在实际工程应用过程中，沥青路面难免受各种因素影响而出现早期裂缝、车辙、松散等病害，严重影响路面的正常使用。路面使用条件、路面结构设计、材料选择、施工技术等严重影响沥青路面使用性能。本研究结合G314线库车-阿克苏段高速公路工程实际，以直接服务于工程施工为目标，重点对沥青混合料配合比设计方法-马歇尔法在高速公路路面工程中的应用开展研究，为新疆阿克苏地区工程建设提供重要参考依据。本文主要开展了以下几方面的研究。（1）对本工程中所用的道路建筑材料进行了基本性能试验测试。采用规划求解方法确定了上中下面层的目标配合比矿料级配。（2）运用马歇尔法完成了上中下面层不同级配的目标配合比设计，确定了AC-25,AC-20和AC-13型级配的最佳沥青用量，对目标配合比设计结果进行了试验验证分析，结果表明所确定的目标配合比满足高等级道路的使用性能指标要求。（3）通过标定拌合站料仓对目标配合比进行调整确定了生产配合比，并采用浮动沥青用量的方式确定了生产配合比的最佳沥青用量，对目标配合比和生产配合比的基本路用性能进行了对比分析，得到了一些有意义的研究结论。更多还原

【Abstract】 The pavement is the banded structure to bear the load on the roadbed, It is affected byclimatic factors.And it is an important part in highway construction. Asphalt pavement hassufficient mechanical strength to withstand the loads of vehicles, It have driving comfort,smooth, no dust, lowly vibration and noise, and has been widely used in high-grade roadsurface.With the development of national economy, the amount of traffic the rapid increase inlarge vehicles, overloaded, channels such as a growing problem, put a higher demand on theasphalt pavement. Asphalt pavement structure combinations, asphalt pavement design andconstruction technology have been researched to improve the performance of asphaltpavement. But in the process of practical engineering applications, the asphalt pavement willbe subject to a variety of factors influence the emergence of early cracks, rutting, loose andother diseases,which seriously affect the normal use of the road., Pavement condition,pavement structure design, material selection, construction technology affect theperformance of asphalt pavement seriously.This study combines the G314Kuqa-Aksu highway engineering practice, the goal ofthis paper is focusing on the asphalt mixture design which directly service for pavementconstruction.This research provide an important reference in pavement construction for Aksuregion pavement construction projects. In this paper, the following studies based on havebeen carried out.(1) The performance tests have been carried out of road construction materials using inthis project. the aggregate gradations were determined by the programming method.(2) The mixs designing of AC-25, AC-20and AC-13graded were determined withMarshall method. Optimum asphalt contents of the mixs were determined and verified bytest results.The results OF tests show that which performance indicators to meet thehigh-grade road.(3) The hopper of the mixing plant was calibrated,and the design mixs were adjusted to determine the production mix, the optimum asphalt contents of the production mix weredetermined with the floating asphalt content. A pavement performance comparative analysiswas made between the design mixs and the production mix.更多还原