内容简介
JTG 5120-2021公路桥涵养护规范
Specifications for Maintenance of Highway Bridges and Culverts
2021-11-01实施
2021-08-09 发布
目 次
1 总则...............................................................................................................................1
2 术语...............................................................................................................................3
3 桥梁检查、监测与评定...............................................................................................5
3.1 一般规定...................................................................................................................................... 5
3.2 初始检查...................................................................................................................................... 5
3.3 日常巡查...................................................................................................................................... 6
3.4 经常检查...................................................................................................................................... 7
3.5 定期检查...................................................................................................................................... 8
3.6 特殊检查....................................................................................................................................15
3.7 结构监测................................................................................................................................. 157
3.8 桥梁评定................................................................................................................................. 177
4 桥梁养护与维修.........................................................................................................19
4.1 一般规定....................................................................................................................................19
4.2 桥面系养护与维修.................................................................................................................20
4.3 梁桥上部结构的养护与维修............................................................................................. 22
4.4 拱桥上部结构的养护与维修..............................................................................23
4.5 钢结构的养护与维修............................................................................................................24
4.6 斜拉桥上部结构的养护与维修.........................................................................................25
4.7 悬索桥上部结构的养护与维修.........................................................................................27
4.8 桥梁下部结构的养护与维修............................................................................................. 29
4.9 基础、锚碇的养护与维修..................................................................................30
4.10 支座的养护与维修..............................................................................................30
4.11 桥梁附属设施的养护与维修...............................................................................31
4.12 调治构造物的养护与维修..................................................................................32
5 桥梁灾害防治与抢修.................................................................................................34
5.1 一般规定..............................................................................................................34
5.2 水毁防治与洪水期抢修......................................................................................34
5.3 冰害防治..............................................................................................................37
5.4 冻害防治..............................................................................................................38
5.5 泥石流防治..........................................................................................................39
5.6 震害防治..............................................................................................................40
5.7 火灾防治..............................................................................................................41
5.8 车辆、船舶、漂浮物撞击及山体落石的防治..................................................41
6 超重车辆过桥.............................................................................................................43
6.1 一般规定..............................................................................................................43
6.2 结构检算及荷载试验..........................................................................................43
6.3 超重车辆过桥的技术措施..................................................................................44
6.4 超重车辆过桥的技术管理..................................................................................44
7 涵洞检查、养护与维修.............................................................................................46
7.1 一般规定..............................................................................................................46
7.2 涵洞检查..............................................................................................................46
7.3 涵洞日常养护......................................................................................................48
7.4 涵洞维修..............................................................................................................49
8 技术管理.....................................................................................................................51
8.1 一般规定..............................................................................................................51
8.2 技术档案管理......................................................................................................51
8.3 数据库管理..........................................................................................................52
8.4 信息化管理..........................................................................................................52
附录 A 桥梁基本状况卡片...........................................................................................54
附录 B 桥梁初始检查记录表.......................................................................................59
附录 C 桥梁定期检查记录表.......................................................................................61
附录 D 桥梁经常检查记录表.......................................................................................67
附录 E 桥梁特殊检查记录表.......................................................................................68
附录 F 涵洞经常检查记录表....................................................................................... 69
附录 G 涵洞基本状况卡片.......................................................................................... 70
附录 H 涵洞定期检查记录表...................................................................................... 72
本规范用词用语说明.......................................................................................................73
附件 《公路桥涵养护规范》（
JTG 5120－2021）条文说明.....................................74
1 总则.............................................................................................................................75
2 术语.............................................................................................................................77
3 桥梁检查、监测与评定.............................................................................................78