ICS 93.080.20 P 66 DB51 四 川 省 地 方 标 准 DB51/T 2603—2019 高速公路沥青路面养护设计指南 Specifications for Maintenance Design Of Asphalt Pavement of Expressway 2019 - 08 - 22 发布 四川省市场监督管理局 2019 - 09 - 01 实施 发 布 DB51/T 2603—2019 目 次 前 言 .............................................................................................................................................................. 1 1 范围 .............................................................................................................................................................. 2 2 规范性引用文件 .......................................................................................................................................... 2 3 术语和符号 .................................................................................................................................................. 2 4 总则 .............................................................................................................................................................. 4 5 调查与评价 .................................................................................................................................................. 4 5.1 一般规定 ................................................................................................................................................... 4 5.2 基础资料调查 ........................................................................................................................................... 4 5.3 初勘调查 ................................................................................................................................................... 5 5.4 施勘调查 ................................................................................................................................................... 6 5.5 施工调查 ................................................................................................................................................... 7 5.6 数据分析评价 ........................................................................................................................................... 8 6 路面养护工程设计 ...................................................................................................................................... 8 6.1 一般规定 ................................................................................................................................................... 8 6.2 预防养护工程 ........................................................................................................................................... 8 6.3 功能性修复养护工程 ............................................................................................................................... 9 6.4 结构性修复养护工程 ............................................................................................................................. 10 6.5 桥梁和隧道沥青混合料铺装层养护维修 ..............................................................................................11 6.6 长大纵坡路段设计 ................................................................................................................................. 12 6.7 功能层设计 ............................................................................................................................................. 12 6.8 既有路面病害处治设计 ......................................................................................................................... 12 6.9 再生设计 ................................................................................................................................................. 13 6.10 动态设计 ............................................................................................................................................... 13 7 材料设计 .................................................................................................................................................... 14 7.1 一般规定 ................................................................................................................................................. 14 7.2 沥青面层 ................................................................................................................................................. 14 7.3 基层和底基层 ......................................................................................................................................... 15 7.4 再生材料 ..........................................................................................................