DB45/T 2227-2020 高速公路水泥混凝土路面养护技术规程
简介
DB45/T 2227-2020
高速公路水泥混凝土路面养护技术规程
Technical specifications of cement concrete pavement maintenance for expres Sway
2021-01-31实施
2020-12-28发布 目 次 前言 ...............................................................................1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语和定义 ........................................................................ 1 4 缩略语 ............................................................................ 3 5 养护内容与质量 .................................................................... 3 5.1 一般规定 ...................................................................... 3 5.2 养护内容 ...................................................................... 3 5.3 养护质量 ...................................................................... 4 6 养护工程实施 ...................................................................... 6 6.1 一般规定 ...................................................................... 6 6.2 前期工作 ...................................................................... 7 6.3 计划编制 ...................................................................... 8 6.4 工程设计 ...................................................................... 8 6.5 施工和验收 .................................................................... 9 7 路况调查及养护对策 ................................................................ 9 7.1 路况调查与评定 ................................................................ 9 7.2 日常养护路况调查 .............................................................. 9 7.3 养护工程专项调查检测与评定 .................................................... 9 7.4 路面病害调查和评价 ........................................................... 10 7.5 养护对策 ..................................................................... 12 8 养护材料 ......................................................................... 14 8.1 一般规定 ..................................................................... 14 8.2 接缝和裂缝密封材料 ........................................................... 14 8.3 薄层修补和薄层（超薄层）罩面材料 ........................ 14 8.4 加铺层材料 ................................................................... 15 8.5 全厚式修补材料 ............................................................... 15 8.6 条带修补材料 ................................................................. 15 8.7 灌浆材料 ..................................................................... 15 8.8 其它养护材料 ................................................................. 15 9 路面日常养护 ..................................................................... 16 9.1 一般规定 ..................................................................... 16 9.2 日常养护 ..................................................................... 16 9.3 清扫保洁 ..................................................................... 17 9.4 冰雪路面养护 .................................................................. 17 10 路面预防养护 ..................................................................... 18 10.1 一般规定 ..................................................................... 18 10.2 裂缝密封 ..................................................................... 18 10.3 更换填缝料 ................................................................... 19 10.4 灌浆稳板 ..................................................................... 20 10.5 抗滑处治 ..................................................................... 21 11 路面修复养护 ..................................................................... 21 11.1 一般规定 ..................................................................... 21 11.2 板边和板角薄层修补 ........................................................... 21 11.3 全厚式混凝土修补 ............................................................. 22 11.4 条带修补 ..................................................................... 24 11.5 胀缝修复 ..................................................................... 24 11.6 拱起修复 ..................................................................... 25 11.7 快通混凝土整板浇筑 ........................................................... 26 11.8 传荷能力恢复 ................................................................. 26 11.9 错台处治 ..................................................................... 28 11.10 坑洞修补 .................................................................... 29 11.11 薄层（超薄层）罩面 .......................................................... 29 11.12 加铺水泥混凝土路面 .......................................................... 30 11.13 加铺热拌热铺沥青混合料路面 .................................................. 31 12 专项养护 ......................................................................... 31 12.1 一般规定 ..................................................................... 31 12.2 排水系统修复与完善 ........................................................... 31 12.3 路基灌浆 ..................................................................... 32 13 应急养护 ......................................................................... 32 13.1 一般规定 ..................................................................... 33 13.2 应急养护 ..................................................................... 33 14 养护施工安全和环保 ............................................................... 33 14.1 交通流组织 ................................................................... 33 14.2 养护作业区安全维护 ........................................................... 33 14.3 养护施工作业安全 ............................................................. 33 14.4 养护施工环境保护 ............................................................. 34 附录 A（资料性） FWD 多级加载法检测板底脱空 .......................................... 35 附录 B（资料性） 修补材料与混凝土界面拉拔强度试验 .................................... 36 附录 C（规范性） 修补材料与混凝土界面弯拉强度试验 .................................... 38 附录 D（规范性） 灌浆浆液自由泌水率和自由膨胀率试验 .................................. 40
DB45/T 2227-2020
高速公路水泥混凝土路面养护技术规程
Technical specifications of cement concrete pavement maintenance for expres Sway
2021-01-31实施
2020-12-28发布 目 次 前言 ...............................................................................1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语和定义 ........................................................................ 1 4 缩略语 ............................................................................ 3 5 养护内容与质量 .................................................................... 3 5.1 一般规定 ...................................................................... 3 5.2 养护内容 ...................................................................... 3 5.3 养护质量 ...................................................................... 4 6 养护工程实施 ...................................................................... 6 6.1 一般规定 ...................................................................... 6 6.2 前期工作 ...................................................................... 7 6.3 计划编制 ...................................................................... 8 6.4 工程设计 ...................................................................... 8 6.5 施工和验收 .................................................................... 9 7 路况调查及养护对策 ................................................................ 9 7.1 路况调查与评定 ................................................................ 9 7.2 日常养护路况调查 .............................................................. 9 7.3 养护工程专项调查检测与评定 .................................................... 9 7.4 路面病害调查和评价 ........................................................... 10 7.5 养护对策 ..................................................................... 12 8 养护材料 ......................................................................... 14 8.1 一般规定 ..................................................................... 14 8.2 接缝和裂缝密封材料 ........................................................... 14 8.3 薄层修补和薄层（超薄层）罩面材料 ........................ 14 8.4 加铺层材料 ................................................................... 15 8.5 全厚式修补材料 ............................................................... 15 8.6 条带修补材料 ................................................................. 15 8.7 灌浆材料 ..................................................................... 15 8.8 其它养护材料 ................................................................. 15 9 路面日常养护 ..................................................................... 16 9.1 一般规定 ..................................................................... 16 9.2 日常养护 ..................................................................... 16 9.3 清扫保洁 ..................................................................... 17 9.4 冰雪路面养护 .................................................................. 17 10 路面预防养护 ..................................................................... 18 10.1 一般规定 ..................................................................... 18 10.2 裂缝密封 ..................................................................... 18 10.3 更换填缝料 ................................................................... 19 10.4 灌浆稳板 ..................................................................... 20 10.5 抗滑处治 ..................................................................... 21 11 路面修复养护 ..................................................................... 21 11.1 一般规定 ..................................................................... 21 11.2 板边和板角薄层修补 ........................................................... 21 11.3 全厚式混凝土修补 ............................................................. 22 11.4 条带修补 ..................................................................... 24 11.5 胀缝修复 ..................................................................... 24 11.6 拱起修复 ..................................................................... 25 11.7 快通混凝土整板浇筑 ........................................................... 26 11.8 传荷能力恢复 ................................................................. 26 11.9 错台处治 ..................................................................... 28 11.10 坑洞修补 .................................................................... 29 11.11 薄层（超薄层）罩面 .......................................................... 29 11.12 加铺水泥混凝土路面 .......................................................... 30 11.13 加铺热拌热铺沥青混合料路面 .................................................. 31 12 专项养护 ......................................................................... 31 12.1 一般规定 ..................................................................... 31 12.2 排水系统修复与完善 ........................................................... 31 12.3 路基灌浆 ..................................................................... 32 13 应急养护 ......................................................................... 32 13.1 一般规定 ..................................................................... 33 13.2 应急养护 ..................................................................... 33 14 养护施工安全和环保 ............................................................... 33 14.1 交通流组织 ................................................................... 33 14.2 养护作业区安全维护 ........................................................... 33 14.3 养护施工作业安全 ............................................................. 33 14.4 养护施工环境保护 ............................................................. 34 附录 A（资料性） FWD 多级加载法检测板底脱空 .......................................... 35 附录 B（资料性） 修补材料与混凝土界面拉拔强度试验 .................................... 36 附录 C（规范性） 修补材料与混凝土界面弯拉强度试验 .................................... 38 附录 D（规范性） 灌浆浆液自由泌水率和自由膨胀率试验 .................................. 40
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