ICS93.080.01 CCSP66DB42 湖北省地方标准 DB42/T2518—2026 排水沥青路面应用技术规范 Technicalspecificationsfortheapplicationofporousasphaltpavement 2026-02-13发布 2026-04-13实施 湖北省市场监督管理局  发布DB42/T2518—2026 I目次 前言.................................................................................III 引言...................................................................................V 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................1 4路面结构组合设计....................................................................2 4.1一般规定........................................................................2 4.2路面结构组合....................................................................2 4.3防水黏结层及黏层................................................................4 4.4易积水路段排水沥青路面结构设计..................................................4 5路面排水设计........................................................................4 5.1一般规定........................................................................4 5.2排水功能层排水设计..............................................................4 5.3路面边缘排水设计................................................................5 5.4超高段排水设计..................................................................5 5.5双向六车道以上（含六车道）及易积水路段排水设计..................................6 6材料................................................................................6 6.1一般规定........................................................................6 6.2沥青............................................................................6 6.3粗集料..........................................................................8 6.4细集料..........................................................................8 6.5填料............................................................................9 6.6纤维稳定剂......................................................................9 7配合比设计..........................................................................9 7.1一般规定........................................................................9 7.2混合料室内成型工艺..............................................................9 7.3混合料技术要求.................................................................10 7.4配合比设计与验证...............................................................11 8施工...............................................................................11 8.1一般规定.......................................................................11 8.2防水黏结层施工.................................................................11 8.3混合料拌和.....................................................................12 8.4混合料运输.....................................................................12 8.5混合料摊铺.....................................................................12 8.6混合料压实.....................................................................12 8.7交通组织.......................................................................13DB42/T2518—2026 II9质量管理与验收.....................................................................13 9.1一般规定.......................................................................13 9.2施工前的材料检查...............................................................13 9.3施工过程中的质量管理与检查.....................................................13 9.4交工验收阶段的质量检查与验收...................................................14 10养护..............................................................................15 10.1一般规定......................................................................15 10.2常见病害处治..................................................................15 10.3排水功能性养护................................................................15 10.4修复性养护....................................................................16 10.5再生利用......................................................................16 11标准实施及评价...............................................