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海底光缆是怎样铺设的了解的亲说下？有高手清楚吗？

海底光缆是怎样铺设的了解的亲说下？有高手清楚吗？

浏览：67次 | 提问时间： 07-21 09:27

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别负我 07-21 09:28

海底光缆的铺设和维修都异常困难。海底电缆工程被世界各国公认为复杂困难的大型工程。在浅海，如水深小于200米的海域缆线采用埋设，而在深海则采用敷设。水力喷射式埋设是主要的埋设方法。埋设设备的底部有几排喷水孔，平行分布于两侧，作业时，每个孔同时向海底喷射出高压水柱，将海底泥沙冲开，形成海缆沟；设备上部有一导缆孔，用来引导电缆（光缆）到海缆沟底部，由潮流将冲沟自动填平。埋设设备由施工船拖曳前进，并通过工作电缆作出各种指令。敷缆机一般没有水下埋设设备，靠海缆自重敷设在海底表面。

旧城不暖少年 07-21 09:36

先由规划设计院根据海洋局提供的洋流、海底地形资料，选择相对平缓的路由，提出设计方案，报相关省海洋局（厅）批复，如果跨省要国家海洋局批复，施工由登陆站开始，用拖轮龙门吊逐段铺放专门的海底光缆，在船上熔接后，用专用海底水泥铸件放到海底。

你说出对不起真可笑 07-21 09:44

光缆的制造光缆的制造过程一般分以下几个过程：
1、光纤的筛选：选择传输特性优良和张力合格的光纤。
2、光纤的染色：应用标准的全色谱来标识，要求高温不退色不迁移。
3、二次挤塑：选用高弹性模量，低线胀系数的塑料挤塑成一定尺寸的管子，将光纤纳入并填入防潮防水的凝胶，最后存放几天(不少于两天)。
4、光缆绞合：将数根挤塑好的光纤与加强单元绞合在一起。
5、挤光缆外护套：在绞合的光缆外加一层护套。光缆的种类
1、按敷设方式分有：自承重架空光缆，管道光缆，铠装地埋光缆和海底光缆。
2、按光缆结构分有：束管式光缆，层绞式光缆，紧抱式光缆，带式光缆，非金属光缆和可分支光缆。
3、按用途分有：长途通讯用光缆、短途室外光缆、混合光缆和建筑物内用光缆。～～～～～双绞线

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