DB43/T 3323—202543 湖 南 省 地 方 标 准ICS 93.080.20 CCS P 66 发 布 湖南省市场监督管理局2025-08发布-15 2025-11实施-15天然沥青改性沥青路面应用技术规范 Technical specifications for application of natural asphalt modified asphalt pavementDB43/T 3323—20 25 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 缩略语 ································ ·················································································· 2 5 结构 ································································································ ····················· 3 6 材料 ································································································ ····················· 3 6.1 一般规定 ································ ········································································· 3 6.2 天然沥青 ································ ········································································· 3 6.3 天然沥青改性沥青 ····························································································· 4 6.4 天然沥青改性沥青混合料 ···················································································· 5 7 施工 ································································································ ····················· 7 7.1 一般规定 ································································································ ········· 7 7.2 准备 ································ ··············································································· 8 7.3 拌和 ································ ··············································································· 9 7.4 其他 ································ ··············································································· 9 8 质量管理与检查验收 ································ ································································ 9 8.1 一般规定 ································································································ ········· 9 8.2 施工过程 ································································································ ········· 9 8.3 交工验收 ································································································ ······· 10 DB43/T 3323—20 25 II DB43/T 3323—20 25 III 前 言 本文件按照GB/T 1.1—2020 《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规定 起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由湖南省交通运输厅提出并归口。 本文件起草单位：长沙理工大学、湖南省公路事务中心、湖南省交通建设质量安全监督管理局、中 腾智信科技（湖南）有限公司、湖南中大设计院有限公司、中铁五局集团机械化工程有限责任公司、湖 南湘汉中宇建设有限公司、湖南路佳环保科技有限公司、湖南交通职业技术学院、湖南省交通科学研究 院有限公司、湖南星建集团有限公司、长沙市公路桥梁建设有限责任公司、长沙城发恒通工程建设有限 公司、长沙市湘行交通建设管理有限公司、长沙交投建设项目管理有限公司、广州市中心区交通项目管 理中心、 湖南省高速公路集团有限公司长沙分公司、水发（湖南）交通建设集团有限公司、 中昌华瑞 （海 南）交通能源有限公司、长沙市公路管理局城郊公路养护服务中心、湖南省 核地质调查所、湖南省国土 空间调查监测所、湖南省桂新高速公路建设开发有限公司。 本文件主要起草人：查旭东、胡贵华、宋小金、王崇淦、张斌、陈小薇、王宏祥、谭鑫烨、阙翔宇、 肖秋明、姜旺恒、曾军、吕茂丰、蒋志琳、苏贤锋、刘佳、梁欣欣、黄晟、王亚平、李力、杨礼乐、高敏、冷佳、龚奇丰、赵腾龙、徐矩烛、黎颉、江波、周立波、易代红、周旦、肖泽林、孙翊新、骆天星、唐炜、杨胜丰、何翔、徐文、殷齐家、李向阳、肖优、谭健宝、戴松、莫俊杰、邓斌、李湘锋、李鹏、刘珏、黄淼、吴柯夫、高强、刘浩军、许文辉、胡恒武、吕瑞东、眭子凡、吴承志。 DB43/T 3323—20 25 IV DB43/T 3323—20 25 1 天然沥青改性沥青路面应用技术规范 1 范围 本文件规定了天然沥青改性沥青路面应用的结构、材料、施工、质量管理与检查验收等技术要求。 本文件适用于各等级公路的新建、改扩建与养护工程。城镇道路、机场道面、林区道路及厂矿道路 等可参照执行。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。 其中， 注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本 文件。 JT/T 860.5 沥青混合料改性添加剂 第5部分：天然沥青 JTG 3432 公路工程集料试验规程 JTG/T 5521 公路沥青路面再生技术规范 JTG D50 公路沥青路面设计规范 JTG E20 公路工程沥青及沥青混合料试验规程 JTG F40 公路沥青路面施工技术规范 3 术语和定义 JT/T 860.5 、JTG/T 5521 、JTG D50 和JTG F40 界定的以及下列术语和定义适用于本文件。 3.1 天然沥青 natural