DB50/T 1877-2025 2025.11.15-重庆市《山区公路缆索承重体系桥梁养护技术规范》

ICS 93.040 CCS P 28 5 0 重 庆 市 地 方 标准 DB50/T 1877—2025 山区公路缆索承重体系桥梁养护技术规范 2025-08-15 发布 2025-11-15 实施 重庆市市场监督管理局 发布 DB50/T 1877—2025 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 检查、监测与评定··········································································································2 4.1 一般规定················································································································ 2 4.2 初始检查················································································································ 2 4.3 日常巡查················································································································ 3 4.4 经常检查················································································································ 3 4.5 定期检查················································································································ 5 4.6 特殊检查················································································································ 7 4.7 结构监测················································································································ 9 4.8 桥梁评定················································································································ 9 5 主梁、加劲梁、桥塔、拱肋养护························································································9 5.1 主梁、加劲梁··········································································································9 5.2 桥塔·····················································································································10 5.3 拱肋·····················································································································10 6 缆索系统养护···············································································································10 6.1 斜拉索··················································································································10 6.2 主缆·····················································································································11 6.3 索鞍·····················································································································12 6.4 索夹及散索套········································································································ 12 6.5 吊索（杆、绳）、系索（杆）··················································································· 12 7 墩台、基础及锚碇养护·································································································· 13 7.1 墩台·····················································································································13 7.2 基础·····················································································································13 7.3 锚碇·····················································································································13 8 桥面系及附属设施养护·································································································· 13 8.1 桥面系··················································································································13 8.2 附属设施···············································································································14 9 灾害防治与抢修············································································································14 9.1 水毁防治···············································································································14 9.2 泥石流防治············································································································14 9.3 火灾防治···············································································································15 9.4 车辆、船舶、漂浮物撞击及山体滑坡、落石的防治························································15 I