DBJ∕T45-174-2024 缆线管廊工程技术规程

目 次 1 总则 ·······································································1 2 术语 ·······································································2 3 基本规定 ·································································4 4 规 划····································································5 4.1 一般规定······································································5 4.2 平面布局······································································5 4.3 断面············································································6 4.4 位置············································································7 5 总体设计 ·································································8 5.1 一般规定······································································8 5.2 路径设计······································································8 5.3 纵断面设计···································································9 5.4 横断面设计··································································10 5.5 节点设计·····································································12 6 管线设计 ································································15 6.1 一般规定·····································································15 6.2 电力电缆·····································································15 6.3 通信线缆·····································································16 6.4 电(线）缆的支持与固定··················································17 6.5 电缆防火阻燃与防爆······················································18 6.6 接地···········································································19 7 附属设施设计 ··························································21 7.1 一般规定·····································································21 7.2 排水系统·····································································21 7.3 标识系统·····································································21 1