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懂行的朋友说说高压电缆敷设方式有哪几种？

懂行的朋友说说高压电缆敷设方式有哪几种？

浏览：42次 | 提问时间： 07-10 08:45

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小丑都哭了 07-10 08:46

1)直埋式：指高压电缆直接敷设于地下，要求埋深不得低于0.7米，穿越农田时不得小于1米，在容易受重压的场所应在1.2米以下，并在电缆上下均匀铺设100mm厚的细砂或软土，并覆盖混凝土板等保护层，覆盖超出电缆两侧各50mm；在寒冷地区，则应埋设在冻土层以下。　　
2)管道式：指将高压电缆敷设于预制的管路(如混凝土管)中，要求每隔一定距离配有人孔，用于引入和连接电缆，如电缆为单芯电缆，为减少电力损失和防止输送容量的下降，引起电缆过热，管材应采用非磁性或不导电的。　　
3)隧道式：指电缆敷设于专门的电缆隧道内桥架或支架上，电缆隧道内可敷设大量电缆，散热性好，便于维护检修，但工程量较大，一般只在城市内使用。

捂着心脏说疼 07-10 08:55

高压电缆敷设方式有以下几种：
1、地下直埋敷设；
2、保护管敷设(钢管、塑料管、排管等)；
3、电缆构筑物敷设(电缆沟、隧道或工作井等)；
4、其他公用设施中敷设(公路、铁道桥梁、隧洞中或地下商场等公共设施、码头、栈道等公用构筑物)；
5、水下敷设。
希望对您有所帮助

二人世界怎么三人游 07-10 09:03

电缆的敷设方式有以下几种:直埋敷设、穿管敷设、浅槽敷设、电缆沟敷设、电缆隧道敷设、架空敷设几种方式都有优缺点,一般要考虑城市发展规划,现有建筑物的密度电缆线路长度敷设条数及其周围环境的影响等。从技术上比较,电缆隧道方式和电缆沟敷设方式便于电缆的施工、维护和检修。在一些发达国家城市中,城市规划建设时,已考虑公用隧道。实践证明公用隧道运行效果良好,大大降低了重复投资次数和反复开挖路面的现象,但初期投资巨大,建筑材料耗资金,在国内,由于各种因素的限制,这种敷设方式是极少的。相比而言,直埋敷设和浅槽敷设则是属于经济型的敷设方式,直埋电缆是最经济而广泛系用电敷设方式,它运用于郊区和车辆通行不太频繁的地方。但不利于电缆的维护和检修,一旦遇到电缆故障,即使使用测试仪测出故障点,也要重新挖开电缆沟,极不方便。因此电缆敷设方式的选择,要结合实际情况,根据工程条件、环境特点、电缆型号和数量等因素,用发展的眼光,按照满足运行可靠性、便于维护的要求和技术经济合理的原则确定。希望能帮助你

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