乳化沥青厂拌冷再生路面施工与验收 技术规范 Technical specification for construction and acceptance of cold in-plant recycling pavement with emulsified asphalt 发 布 湖南省市场监督管理局43 DB43/T2140—2021 湖南省地方标准 ICS CCS 93.080.01 P 66 2021-08发布-03 2021-10实施-03 DB43/T 2140—2021 I 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 原路面调查及评价 ································ ································ ································ ··· 3 5.1 一般规定 ································ ································ ································ ········· 3 5.2 原路面技术状况检查和评价 ································ ································ ················· 3 6 材料 ································ ································ ································ ····················· 3 6.1 一般规定 ································ ································ ································ ········· 3 6.2 RAP ································ ································ ································ ················· 3 6.3 乳化沥青 ································ ································ ································ ········· 4 6.4 集料 ································ ································ ································ ··············· 5 6.5 水泥 ································ ································ ································ ··············· 5 6.6 矿粉 ································ ································ ································ ··············· 5 6.7 水 ································ ································ ································ ·················· 6 7 再生沥青混合料配合比设计 ································ ································ ······················· 6 7.1 一般规定 ································ ································ ································ ········· 6 7.2 混合料技术要求 ································ ································ ································ 6 7.3 混合料级配要求 ································ ································ ································ 6 7.4 混合料配合比设 计方法 ································ ································ ······················· 7 8 乳化沥青冷再生路面施工 ································ ································ ·························· 7 8.1 一般规定 ································ ································ ································ ········· 7 8.2 冷再生沥青混合料施工设备 ································ ································ ················· 7 8.3 RAP的回收、预处理与堆放 ································ ································ ·················· 9 8.4 施工准备 ································ ································ ································ ········· 9 8.5 沥青混合料拌和 ································ ································ ································ 9 8.6 运输 ································ ································ ································ ··············· 9 8.7 摊铺 ································ ································ ································ ············· 10 8.8 压实 ································ ································ ································ ············· 10 8.9 养生及开放交通 ································ ···········