ICS93.040 CCSP28 50 重庆市地方标准 DB50/T1877—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/T1877-2025 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·····················