ICS 93.080.20 CCS CCS P 66 四 DB51 川 省 地 四 方 标 准 DB51/T 2796 —2021 沥青路面就地热再生技术指南 Guideline for hot in-place recycling of asphalt pavement 2021-08-02 发布 四川省市场监督管理局 2021-09-01 实施 发布 DB51/T 2796—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 总则 .............................................................................................................................................................. 2 6 适用条件 ...................................................................................................................................................... 2 6.1 一般规定 ................................................................................................................................................... 2 6.2 就地热再生技术适用条件 ....................................................................................................................... 3 7 既有路面调查与评价 .................................................................................................................................. 3 7.1 一般规定 ................................................................................................................................................... 3 7.2 设计阶段调查 ........................................................................................................................................... 4 7.3 施工阶段路面调查 ................................................................................................................................... 5 8.1 原材料及混合料 ....................................................................................................................................... 5 8.1 一般规定 .................................................................................................................................................... 5 8.2 新沥青 ....................................................................................................................................................... 5 8.3 再生剂 ....................................................................................................................................................... 5 8.4 再生沥青 ................................................................................................................................................... 6 8.5 外掺新沥青混合料 ................................................................................................................................... 6 8.6 就地热再生混合料 ................................................................................................................................... 6 9 就地热再生施工 .......................................................................................................................................... 7 9.1 一般规定 ................................................................................................................................................... 7 9.2 试验和施工设备配置基本要求 ............................................................................................................... 7 9.3 施工准备 .................................................................................................................................................... 9 9.4 铺筑试验段 ............................................................................................................................................. 10 9.5 再生作业 ................................................................................................................................................. 10 10 质量控制 ...................................................................................................................................................11 10.1 一般规定 ...............................................................................