在濟南的高樓大廈、工廠車間或是地下管廊中，有一種看似不起眼卻關重要的設施 —— 電纜橋架。它就像一條懸空的 “線纜高速公路”，將密密麻麻的電力電纜、通信光纜有序收納，既保護線纜免受外界干擾和損傷，又讓空間顯得整潔有序。這種設施的設計與應用，充分體現了對線纜管理的實用考量，尤其針對濟南的氣候特點和建筑需求，展現出獨特的功能性與適應性。

In high-rise buildings, factory workshops, or underground pipe galleries in Jinan, there is a seemingly inconspicuous but crucial facility - cable trays. It is like a suspended "cable highway" that orderly stores the dense power cables and communication optical cables, protecting them from external interference and damage while making the space appear clean and orderly. The design and application of this facility fully reflects practical considerations for cable management, especially in response to the climate characteristics and building needs of Jinan, demonstrating unique functionality and adaptability.

濟南電纜橋架的設計充分考慮了承重、防腐、防火等實際需求，每一處細節都體現著對線纜的守護：

The design of Jinan cable tray fully considers practical needs such as load-bearing, anti-corrosion, and fire prevention, and every detail reflects the protection of cable safety:

承重能力設計

Load bearing capacity design

橋架的橫梁和支架間距根據線纜重量計算，通常每隔 1.5-2 米設置一個支撐點，確保橋架不會因線纜過重而彎曲變形。例如，敷設高壓電纜的橋架會采用加厚鋼板，支架選用角鋼或工字鋼加固，經測算，每米橋架可承重 50-200 公斤，滿足不同線纜的敷設需求。

The spacing between the crossbeams and brackets of the cable tray is calculated based on the weight of the cables. Usually, a support point is set every 1.5-2 meters to ensure that the cable tray will not bend or deform due to excessive weight of the cables. For example, the cable tray for laying high-voltage cables will use thickened steel plates, and the brackets will be reinforced with angle steel or I-beams. According to calculations, the cable tray can bear 50-200 kilograms per meter, meeting the laying needs of different cables.

防腐處理工藝

Anti corrosion treatment process

除了材質本身的耐腐蝕性，橋架表面還會進行額外處理：熱鍍鋅橋架采用高溫浸鋅工藝，鋅層均勻致密；不銹鋼橋架進行拋光或拉絲處理，增強表面抗劃傷能力；玻璃鋼橋架添加紫外線吸收劑，延緩戶外使用時的老化速度，這些工藝讓橋架在濟南的多雨和多塵環境中保持長期穩定。

In addition to the corrosion resistance of the material itself, the surface of the bridge will also undergo additional treatment: hot-dip galvanized bridge adopts high-temperature galvanizing process, and the zinc layer is uniform and dense; Polishing or wire drawing treatment is applied to stainless steel bridge frames to enhance their surface scratch resistance; Adding ultraviolet absorbers to fiberglass bridge frames can slow down the aging rate during outdoor use, ensuring long-term stability in the rainy and dusty environment of Jinan.

防火與接地設計

Fire prevention and grounding design

在消防要求高的場所，橋架內部會噴涂防火涂料，遇高溫時形成隔熱層，延緩線纜燃燒；橋架整體通過接地線與建筑接地系統連接，將靜電或漏電導入地下，避免觸電風險，這種設計在濟南的、醫院等人員密集場所尤為重要

In places with high fire safety requirements, fire-resistant coatings will be sprayed inside the cable tray to form an insulation layer when exposed to high temperatures, delaying cable combustion; The bridge frame is connected to the building grounding system through a grounding wire, which guides static electricity or leakage into the ground to avoid the risk of electric shock. This design is particularly important in densely populated places such as shopping malls and hospitals in Jinan

濟南的電纜橋架，這個看似平凡的設施，用多樣的材質、巧妙的結構和實用的設計，默默守護著城市的線纜。從工業生產的動力傳輸到建筑空間的線纜管理，從室內的整潔有序到戶外的氣候適應，它以 “空中通道” 的形式，讓復雜的線纜系統變得井然有序。選購時根據線纜類型、環境條件和空間需求綜合考量，安裝時注重固定、分類和細節處理，就能讓這種設施充分發揮作用，為濟南的建筑和工業發展提供穩定的線纜支撐。它不顯眼，卻不可或缺，用扎實的存在，保障著城市的電力與信號傳輸，成為現代基礎設施中默默奉獻的 “幕后英雄”。

The cable tray in Jinan, this seemingly ordinary facility, silently guards the safety of the city's cables with diverse materials, clever structures, and practical designs. From power transmission in industrial production to cable management in building spaces, from indoor cleanliness and orderliness to outdoor climate adaptation, it forms an "aerial channel" to make complex cable systems well-organized. When selecting, comprehensive consideration should be given to cable types, environmental conditions, and space requirements. When installing, attention should be paid to fixation, classification, and detail processing to fully utilize this facility and provide stable cable support for the construction and industrial development of Jinan. It may not be conspicuous, but it is indispensable. With its solid presence, it ensures the power and signal transmission of the city, becoming a silent "behind the scenes hero" in modern infrastructure.

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