在潮湿、多水汽的恶劣环境中，电缆桥架的抗腐蚀、防渗漏能力直接影响电缆的运行。普通材质的桥架易受水汽侵蚀，导致结构损坏或线路故障，因此需选择专门针对潮湿环境设计的类型。这类桥架通过材质改良和结构优化，能有效抵御水汽、盐分等侵蚀，保障电缆长期稳定运行。

　　In harsh environments with high humidity and moisture, the corrosion resistance and leakage resistance of cable trays directly affect the safe operation of cables. Ordinary material cable trays are susceptible to water vapor erosion, leading to structural damage or line failures. Therefore, it is necessary to choose a type specifically designed for humid environments. This type of cable tray can effectively resist erosion such as water vapor and salt through material improvement and structural optimization, ensuring long-term stable operation of cables.

　　玻璃钢电缆桥架是潮湿环境中的理想选择。它以玻璃纤维为增强材料，以树脂为基体经复合成型，整体具有优异的耐腐蚀性，不生锈、不老化，能抵御雨水、雾气、工业蒸汽等多种水汽侵蚀。即使在沿海地区的高盐雾环境或化工厂的潮湿腐蚀性气体中，也能保持结构稳定，使用寿命可达 20 年以上。玻璃钢材质本身不导电，还能避免潮湿环境下的电化学腐蚀，同时其表面光滑，不易附着灰尘和水汽，减少了因污垢堆积导致的腐蚀隐患。此外，玻璃钢桥架重量轻，安装时无需重型设备辅助，适合潮湿环境下的复杂场地施工。

　　Fiberglass cable trays are an ideal choice for humid environments. It is reinforced with glass fiber and formed by composite molding with resin as the matrix. It has excellent corrosion resistance as a whole, does not rust or age, and can resist various water vapor erosion such as rainwater, mist, and industrial steam. Even in high salt spray environments in coastal areas or humid corrosive gases in chemical plants, it can maintain structural stability and have a service life of over 20 years. Fiberglass material itself is non-conductive and can prevent electrochemical corrosion in humid environments. At the same time, its surface is smooth and not easily adhered to dust and water vapor, reducing corrosion hazards caused by dirt accumulation. In addition, fiberglass bridge frames are lightweight and do not require heavy equipment assistance during installation, making them suitable for complex construction sites in humid environments.

　　热浸锌电缆桥架通过表面处理增强了抗潮能力。它以钢材为基材，经高温将锌液浸镀在表面，形成一层均匀致密的锌层，锌层能与水汽发生反应生成致密的氧化锌薄膜，阻止水汽进一步渗透到钢材内部，起到牺牲阳极保护的作用。这种桥架能适应多雨、潮湿的户外环境，如露天变电站、污水处理厂等，即使锌层局部受损，周围的锌也会继续提供保护，延缓基材腐蚀。热浸锌处理后的桥架结构强度高，能承受较重的电缆重量，适合潮湿环境中需要承载大量电缆的场景，但其重量较大，安装时需确保固定牢固。

　　The hot-dip galvanized cable tray has enhanced its moisture resistance through surface treatment. It is made of steel as the substrate, and zinc solution is immersed on the surface at high temperature to form a uniform and dense zinc layer. The zinc layer can react with water vapor to form a dense zinc oxide film, which prevents water vapor from further penetrating into the interior of the steel and serves as sacrificial anode protection. This type of bridge can adapt to rainy and humid outdoor environments, such as outdoor substations, sewage treatment plants, etc. Even if the zinc layer is partially damaged, the surrounding zinc will continue to provide protection and delay substrate corrosion. The bridge structure treated with hot-dip galvanizing has high strength and can withstand heavy cable weight, making it suitable for scenarios where a large number of cables need to be carried in humid environments. However, due to its heavy weight, it is necessary to ensure that it is firmly fixed during installation.

　　铝合金电缆桥架在潮湿环境中表现稳定。铝合金本身具有一定的耐腐蚀性，其表面会自然形成一层氧化膜，这层氧化膜能阻止水汽和氧气进一步侵蚀内部材质，在潮湿的室内外环境中都能保持良好状态。经过阳极氧化处理的铝合金桥架，表面氧化膜厚度增加，抗腐蚀能力更强，适合潮湿的地下车库、游泳馆等场所。与钢制桥架相比，铝合金桥架重量更轻，安装便捷，且不易产生电化学腐蚀，尤其适合与铜缆搭配使用，避免不同金属接触产生的腐蚀反应。

　　Aluminum alloy cable trays exhibit stability in humid environments. Aluminum alloy itself has a certain degree of corrosion resistance, and a layer of oxide film will naturally form on its surface. This oxide film can prevent water vapor and oxygen from further corroding the internal materials, and can maintain good condition in humid indoor and outdoor environments. The aluminum alloy bridge frame treated with anodizing has an increased thickness of surface oxide film and stronger corrosion resistance, making it suitable for damp underground parking lots, swimming pools and other places. Compared with steel cable trays, aluminum alloy cable trays are lighter in weight, easier to install, and less prone to electrochemical corrosion. They are especially suitable for use with copper cables to avoid corrosion reactions caused by contact between different metals.

　　塑料合金电缆桥架专为极端潮湿环境设计。它由多种高分子材料复合而成，具有的防水性和耐腐蚀性，不吸水、不导电，能完全隔绝水汽侵入。在长期浸泡于水或高湿度的环境中，如水利工程、地下隧道等，塑料合金桥架不会出现膨胀、开裂，能稳定保护电缆。其表面光滑易清洁，即使沾染泥浆、污水，也能轻松擦拭干净，减少污垢对桥架的侵蚀。不过，塑料合金桥架的承重能力相对较弱，更适合敷设轻型电缆，如通信电缆、控制电缆等。

　　Plastic alloy cable trays are designed specifically for extremely humid environments. It is composed of various polymer materials and has excellent waterproof and corrosion-resistant properties. It does not absorb water or conduct electricity, and can completely isolate water vapor from entering. In long-term immersion in water or high humidity environments, such as water conservancy projects, underground tunnels, etc., plastic alloy cable trays will not expand or crack, and can stably protect cables. Its surface is smooth and easy to clean, even if it is contaminated with mud or sewage, it can be easily wiped clean, reducing the erosion of dirt on the bridge. However, the load-bearing capacity of plastic alloy cable trays is relatively weak, making them more suitable for laying lightweight cables such as communication cables, control cables, etc.

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