沥青路面弯沉值季节影响系数的研究-土木工程专业论文.docxVIP

摘要随着我国国民经济的快速发展，交通运输车辆大吨位、大型车和交通流量的 摘要 随着我国国民经济的快速发展，交通运输车辆大吨位、大型车和交通流量的 太幅度增加，使得现有公路交通很难适应这种现状，特别是“九五”以前新建、 改建的公路，技术标准低，强度不高，通行能力差。那么，公路交通如何建设、 养护才能更好地为社会服务，已摆在各级公路部门面前。从沈阳市乃至辽宁省近 几年公路建设来看，主要采取在原有路线的基础上进行加宽、补强改建和大修， 以此来提高公路的等级，增大通行能力。在补强设计中，新、旧路面弯沉值是补 强层结构设计的重要指标之一。旧路面的弯沉值为春融不利季节的路面弯沉。但 由于种种原因，路面弯沉在其他非不利季节也要测定，这就需要通过弯沉值季节 影响系数换算为不利季节弯沉值，再用于评价、设计中去。 本文主要是科学、合理地选定具有代表性、典型性路段，对该路段的路面弯 沉值、地表温度、土样等进行外业采集、测定，再通过试验和内业数据整理计算， 得出沥青路面不同干湿状态下弯沉值的季节影响系数。 关键词： 弯沉值：季节影响系数；干湿状态；研究 Abstractwith Abstract with the development rapidlY of national economiCS and the trending of big load or type traffiC vehicle adding，the highway couldn’t accommodate thiS Situation．The technical standard and the intensitY are lower than today，the traffic capacity iS bad of the highway，especiallY the highway were built before the Ninth Fire Year Plan．Then，how to bui ld and maintain the highway become the important tasks in the department of highway management．The highway are widened and reinforced intensity and heavy repaired on the basiS 0f old highway，SO that the highway can be improved the level and the traffic capacity in Shenyang City eyed all over Liaoning province in last few years．In the design of reinforced intensity the data of deflection iS one of the most important data in the construction design of the road surface．The 1 iS what the 01d road surface iS in the spring or disadvantageous season that the data must be coped With the coeffiCient by the season impaction． The sections of a highway were selected through SCientifiC methods and reds6n哥61e Ways．THi，were typicai and～i：epresentatioiil：The i，the temperatures of road surface and the sample of SOii were Collection and menstruated．After experimentation，the data of l under kinds 0f Situation were got．Through the data tteating wlth，thiS thesiS iS got the season coeffiCient about asphalt COHCrete road surface under the dry，or wateFi sh State． Key words：deflection，Season coeff。icient，Dry or waterish state Research 沥青路面弯沉值季节影响系数的研究1 沥青路