1. The width and height of the bridge should be selected according to the following table, and should meet the cable filling rate not exceeding the specified value of the relevant standard specifications. The power cable can take 40-50%, the control cable can take 50-70%, and another 10- 25% program development margin.
2. The specifications of various bends and accessories should meet the engineering layout conditions and be matched with the bridge frame.
3. The selection of the specifications of the supports and hangers should be configured according to the specifications of the bridge frame, the number of layers, and the span. And should meet the load requirements.
4. Selection of the cross-sectional area of the bridge
