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光缆敷设注意事项求朋友说一些？有什么是要特别注意的？

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装修主卧注意事项朋友们能说一些光缆光纤选购注意事项有哪些方面是要特别注意的国防光缆施工注意事项敷设电源线有什么要求光缆装修的特别注意事项酒店装修注意事项有哪些，酒店装修有哪几点是要特别注意的光缆光纤光缆价格adss光缆室内光缆皮线光缆光缆报价多模光缆光缆接头单模光缆电缆和光缆的区别客厅装修的特别注意事项装修特别注意事项

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光缆敷设注意事项求朋友说一些？有什么是要特别注意的？

浏览：33次 | 提问时间： 07-23 10:26

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3个答案

对着太阳说晚安 07-23 10:27

光缆有架空、直埋、管道、水底等敷设方式。架空光缆架空光缆是架挂在电杆上使用的光缆。这种敷设方式可以利用原有的架空明线杆路，节省建设费用、缩短建设周期。架空光缆挂设在电杆上，要求能适应各种自然环境。架空光缆易受台风、冰凌、洪水等自然灾害的威胁，也容易受到外力影响和本身机械强度减弱等影响，因此架空光缆的故障率高于直埋和管道式的光纤光缆。一般用于长途二级或二级以下的线路，适用于专用网光缆线路或某些局部特殊地段。架空光缆的敷设方法有两种：1、吊线式：先用吊线紧固在电杆上，然后用挂钩将光缆悬挂在吊线上，光缆的负荷由吊线承载。2、自承式：用一种自承式结构的光缆，光缆呈“8“字型，上部为自承线，光缆的负荷由自承线承载。直埋光缆这种光缆外部有钢带或钢丝的铠装，直接埋设在地下，要求有抵抗外界机械损伤的性能和防止土壤腐蚀的性能。要根据不同的使用环境和条件选用不同的护层结构，例如在有虫鼠害的地区，要选用有防虫鼠咬啮的护层的光缆。根据土质和环境的不同，光缆埋入地下的深度一般在0.8米至1.2米之间。在敷设时，还必须注意保持光纤应变要在允许的限度内。管道光缆管道敷设一般是在城市地区，管道敷设的环境比较好，因此对光缆护层没有特殊要求，无需铠装。管道敷设前必须选下敷设段的长度和接续点的位置。敷设时可以采用机械旁引或人工牵引。一次牵引的牵引力不要超过光缆的允许张力。制作管道的材料可根据地理选用混凝土、石棉水泥、钢管、塑料管等。水底光缆水底光缆是敷设于水底穿越河流、湖泊和滩岸等处的光缆。这种光缆的敷设环境比管道敷设、直埋敷设的条件差得多。水底光缆必须采用钢丝或钢带铠装的结构，护层的结构要根据河流的水文地质情况综合考虑。例如在石质土壤、冲刷性强的季节性河床，光缆遭受磨损、拉力大的情况，不仅需要粗钢丝做铠装，甚至要用双层的铠装。施工的方法也要根据河宽、水深、流速、河床、流速、河床土质等情况进行选定。水底光缆的敷设环境条件比直埋光缆严竣得多，修复故障的技术和措施也困难得多，所以对水底光缆的可靠性要求也比直埋光缆高。海底光缆也是水底电缆，但是敷设环境条件比一般水底光缆更加严竣，要求更高，对海底光缆系统及其元器件的使用寿命要求在25年以上。希望我的回答能帮到你，

我亦肯定我 07-23 10:35

光缆敷设按敷设方式不同，光缆可分为管道光缆、直埋光缆、架空光缆和水底光缆。按缆芯结构的不同，光缆可分为层绞式光缆、骨架式光缆、中心束管式光缆和带状式光缆；

年少轻狂 07-23 10:44

光缆敷设注意事项：1)光缆施工要严格按照施工的规范进行;2)光缆转弯时，其转弯半径要大于光缆自身直径的15-20倍，如架空光缆在上下杆塔时，应当尽量减小弯曲的角度，同时给光缆盘施加助力，减少光缆的防线张力。

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