ICS 93.080 CCS R 18 湖 43 南 省 地 方 标 准 DB43/T 2052—2021 排水降噪沥青路面应用技术规范 Technical specifications for drainage and noise-reducing asphalt pavement 2021 - 06 - 02 实施 2021 - 04 - 02 发布 湖南省市场监督管理局 发 布 DB43/T 2052—2021 目 次 前言························································································································· Ⅲ 1 范围······················································································································ 1 2 规范性引用文件······································································································· 1 3 术语和定义············································································································· 1 4 符号······················································································································ 2 5 结构设计················································································································ 2 6 7 8 5.1 一般规定·········································································································· 2 5.2 典型结构组合···································································································· 2 5.3 防水黏结层······································································································· 4 5.4 旧路改造排水降噪沥青路面结构设计······································································ 4 5.5 易积水路段排水降噪沥青路面结构设计·································································· 4 5.6 服务区广场铺装排水降噪沥青路面结构设计···························································· 4 排水系统及附属设施设计··························································································· 5 6.1 一般规定·········································································································· 5 6.2 排水系统典型结构设计························································································ 5 6.3 旧路改造排水系统设计························································································ 6 6.4 积水路段排水系统设计························································································ 6 6.5 桥面排水系统设计······························································································ 6 6.6 服务区广场铺装排水系统设计··············································································· 7 6.7 排水降噪沥青路面标线设计·················································································· 7 材料及配合比设计···································································································· 7 7.1 一般规定·········································································································· 7 7.2 沥青················································································································ 7 7.3 粗集料············································································································· 8 7.4 细集料············································································································· 9 7.5 填料················································································································ 9 7.6 纤维添加剂······································································································· 9 7.7 防水黏结层材料······························································································· 10 7.8 配合比设计····································································································· 10 排水降噪沥青路面施工···························································································· 12 8.1 一般规定········································································································· 12 8.2 防水黏结层施工······························································································· 12 8.3 混合料的拌和·································································································· 12 I DB43/T 2052—2021 8.4 混合料的运输·································································································· 12 8.5 混合料的摊铺·································································································· 13 8.6 路面的压实及成型···························································································· 13 8.7 双层及多层排水降噪沥青路面施工······································································· 13 8.8 接缝·······················································