大跨距桥架相对于一般的电缆桥架来说,生产和安装要求要高一些,大理作为云南比较落后的市,本地很少有大理桥架厂家,更别说大跨距桥架生产,一般都是从昆明购买,同时大理桥架安装也没有昆明地区规范,当前大跨距桥架在大理地区安装种有什么要求呢?
大理桥架在选购厂家设计选型过程应根据弱电各个系统缆显得类型、数量,合理选定适用的桥架。
如果和大跨距桥架合用时,应将电力电缆和弱电电缆各直一侧,中间采用隔板分隔;大理大跨距电缆与其它低电压电缆合用桥架时,应严格执行选择具有外屏蔽层的弱电系统的弱电电缆,避免相互间的干扰。
大理电缆桥架不得与其它管道等设施共用一个立柱(支架)。大理不锈钢桥架对于腐蚀性环境,大理桥架选择生产厂家应选用具有合适的耐防腐蚀层处理的电缆桥架。在有强烈振动及有可能遭受严重机械损伤的场所,不宜架设电缆桥架。
What are the requirements for the installation of long span bridges in Dali area?
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Compared with the general cable bridge, the production and installation requirements of long-span bridge are higher. As a relatively backward city in Yunnan, there are few manufacturers of Dali bridge, let alone the production of long-span bridge, which are generally purchased from Kunming. At the same time, the installation of Dali bridge does not have the specifications of Kunming area. What are the requirements for the installation of the bridge in Dali?
In the design and selection process of Dali Bridge Frame, the suitable bridge should be selected reasonably according to the type and quantity of weak current system cables.
If the power cable and the weak current cable are used together with the long-span bridge, they should be separated by a separator in the middle. When the large-span cable and other low-voltage cable are used together, the weak current cable of the weak current system with an outer shield layer should be strictly selected to avoid mutual interference.
Dali cable bridge should not share a column (bracket) with other pipes and other facilities. For corrosive environment of Dali stainless steel bridge, the manufacturer of Dali bridge should choose the cable bridge with suitable anti-corrosion coating treatment. It is not suitable to erect cable bridge in places where strong vibration and serious mechanical damage may occur.
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