桥架设计与施工工艺.pdf

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1、目录第一章机房内桥架设计安装方案....................................21.1概述..................................................................................................................................21.2桥架的选型.................................................................................................

2、.....................21.3主机房桥架的设计..........................................................................................................31.4监控室桥架的设计..........................................................................................................4第二章楼内桥架设计安装方案.......................

3、...............62.1安装总则..........................................................................................................................62.2概述..................................................................................................................................62.3设计依据.....

4、.....................................................................................................................62.4桥架的分类及特性..........................................................................................................62.5桥架的计算..................................................

5、....................................................................72.6桥架设计与敷设的设计考虑..........................................................................................72.6.1垂直桥架的设计.................................................................................................82.6.2水平桥架

6、的设计.................................................................................................82.6.3对桥架管线的施工要求.....................................................................................92.6.4桥架接地要求.................................................................................

7、....................92.6.5桥架尺寸的设计。...........................................................................................10第一章机房内桥架设计安装方案1.1概述桥架作为线缆的路由与保护体，一定要严格按照规范设计和施设1.桥架线槽宜采用金属线槽，线槽的截面利用率不应超过50%；2.电线线槽、桥架和线槽敷设线缆高出地面2.2米以上。线槽和桥架