The cable tray frame is stamped from thin steel plates with limited bearing capacity. It will deform due to overloading of the bridge, which not only affects the aesthetics of the bridge, but also affects the safe operation of the cable. Under normal circumstances, the bearing capacity of the cable bridge frame is represented by the load characteristic curve of the cable bridge frame. From the load curve, it can be seen that the bearing capacity is related to the specifications and support distance of the bridge, corresponding to the same support distance and bending protrusion deformation. High side height and high bearing capacity. Under the same bearing capacity, the bending deformation of cable bridge frames with the same specifications and small support distances is relatively small.

1.動(dòng)荷載是指橋架安裝和維護(hù)期間施工和維護(hù)人員的重量。對(duì)于輕型電纜橋架，一般不考慮動(dòng)荷載，即不允許有人站在橋架上。如果有必要考慮站著的人，應(yīng)該適當(dāng)減少跨度。

1. Dynamic load refers to the weight of construction and maintenance personnel during bridge installation and maintenance. For lightweight cable trays, dynamic loads are generally not considered, meaning that no one is allowed to stand on the tray. If it is necessary to consider standing people, the span should be appropriately reduced.

2.靜荷載是指山東省電纜橋架內(nèi)敷設(shè)的電纜種類和數(shù)量，每根電纜的外徑重量/單位長度，按不同的電纜敷設(shè)路線列出和計(jì)算。

2. Static load refers to the type and quantity of cables laid in cable trays in Shandong Province, and the outer diameter weight/unit length of each cable, listed and calculated according to different cable laying routes.

3.附加荷載是指僅在室外由冰、雪、風(fēng)和電磁力形成的荷載。這與安裝現(xiàn)場的自然氣象條件和帶電體的性質(zhì)有關(guān)。設(shè)計(jì)應(yīng)根據(jù)各種條件進(jìn)行計(jì)算。

3. Additional loads refer to loads formed solely outdoors by ice, snow, wind, and electromagnetic forces. This is related to the natural meteorological conditions at the installation site and the properties of the charged body. The design should be calculated based on various conditions.

橋架可以獨(dú)立架設(shè)。當(dāng)然，此外，它們還可以鋪設(shè)在各種建筑物和管道支架上。它們有許多特點(diǎn)和優(yōu)點(diǎn)，因?yàn)樗鼈儾粌H能體現(xiàn)結(jié)構(gòu)簡單、外形美觀，而且還表現(xiàn)出配置靈活、維護(hù)方便的特點(diǎn)。

The bridge can be erected independently. Of course, in addition, they can also be laid on various buildings and pipeline supports. They have many characteristics and advantages, as they not only reflect the simple structure and beautiful appearance, but also demonstrate the characteristics of flexible configuration and convenient maintenance.

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