, mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">电缆桥架作为承载各种电缆敷设的载体, mso-hansi-font-family:"Times New Roman"">从属于布线的需要, "Times New Roman"">同样应遵循上述原则加以实施。由于建筑物内多种管线平行交叉, "Times New Roman"">空间有限, 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">特别是大型写字楼、金融商厦、酒店、场馆等建筑, mso-hansi-font-family:"Times New Roman"">信息点密集, "Times New Roman"">缆线敷设除了采用楼板沟槽和墙内埋管方式外, "Times New Roman"">在竖井和屋内天棚吊顶内广泛采用电缆桥架, "Times New Roman"">提供不同走向的布线, "Times New Roman"">弱电系统的各种缆线分类布放在桥架内, "Times New Roman"">其路由选择和安装方式要根据走向的要求, "Times New Roman"">并结合建筑结构和空调、电气等管线协商的位置加以确定, "Times New Roman"">无源缆线不能与有源电缆桥架并排铺设, "Times New Roman"">受条件所限铺放同一桥架内, "Times New Roman"">其间必须采用金属隔板分设, "Times New Roman"">引出的缆线尽量避免平面交叉, "Times New Roman"">桥架穿越楼板, "Times New Roman"">墙体或伸缩缝时, "Times New Roman"">应该在建筑图上标出予留相应的空洞和位置, "Times New Roman"">避免因遗漏等到施工时临时钻空, "Times New Roman"">可能伤及土建结构。为了防止电磁辐射的干扰(EMC) "Times New Roman"">,在电缆桥架的设计中,应考虑桥架的封闭性。
信息来源:http://www.fabuba.com/com/a13932796656/