内容简介
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