What are they specifically connected to the bridge? Say more details!
The channel is open type, the angle is L, channel steel and angle steel is usually used as the bridge bracket supporting part, generally small size of the bridge with two reinforced DN8 and a length longer than the width of the angle steel bracket tray
The channel is open type, angle "type, can be seen from the cross section, channel angle stronger than, of course, also a lot more expensive than the channel angle, if you are a fixed 400*100 below the bridge suggest you use the No. 4 angle on the line. If it is suggested that you use the steel suspension vertical wall, if the landing bracket I suggest you use the square.
Bridge Specifications larger, more load-bearing cable, it is necessary to use angle steel and channel steel to make bridge tray to support the bridge
