The hydraulic bridge also known as “moving bridge” is a bridge that is used to allow seaside traffic through a body of water. In short, it can be moved to allow the passage for boats or ships. The bridge design incorporates an integrated hydraulic system into the bridge in order to carry more weight. The system is most suitable for arch-based bridges in which the main forces are directed in a horizontal sideways direction. The hydraulic system is integrated into the main load bearing members of the bridge can be minimally controlled by computers; however, if calibrated and constructed accurately, the system has the possibility for non-electronic autonomic self-adjustment which entails low maintenance cost and a reduced safety risk in an event of an electrical malfunction.
The integration of hydraulic gears with the existing hydraulic bridge models was introduced from the beginning of 20th century onwards. Smooth and accurate acceleration and deceleration, positive locking in any conditions, driving end locks, safe and easy operations, and ability to carry varying loads are some advantages of the hydraulic bridge.
Working mechanism of hydraulic bridge
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