耒宜高速公路水泥路面大修改建时机研究

摘要

高速公路的大修改建时机确定对于正处于“大养护期”的高速公路管理工作的重要性是不言而喻的。湖南省耒宜高速公路是京珠高速湖南段中较为重要的一个组成部分，受行车荷载、交通流量等因素影响，需要展开全线大修，为该高速公路的大修确定科学合理的时机极具工程应用价值。%The importance of reconstruction and expansion time of highway determined in highway management work under the"Maintenance period"is self-evident.Hunan Lei-Yi highway,as one of comparable important part in Beijing-Zhuhai Highway,is in need of full overhaul by the influence of traf-fic loads,traffic flow and other factors.Thus,the determination of a scientific and reasonable time for the overhaul of the highway has great application value.