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.动荷载是指桥架安装和维护期间施工和维护人员的重量。对于轻型电缆桥架，一般不考虑动荷载，即不允许有人站在桥架上。如果有必要考虑站着的人，应该适当减少跨度。

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.静荷载是指山东省电缆桥架内敷设的电缆种类和数量，每根电缆的外径重量/单位长度，按不同的电缆敷设路线列出和计算。

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.附加荷载是指仅在室外由冰、雪、风和电磁力形成的荷载。这与安装现场的自然气象条件和带电体的性质有关。设计应根据各种条件进行计算。

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.

桥架可以独立架设。当然，此外，它们还可以铺设在各种建筑物和管道支架上。它们有许多特点和优点，因为它们不仅能体现结构简单、外形美观，而且还表现出配置灵活、维护方便的特点。

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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