ব্রিজ কিভাবে তৈরি করা হয় ?

bridge construction? how to build a bridge? How are caisson bridges constructed? how to build a bridge over water? underwater engineering, how are bridge foundations done? How to make bridge structures? How is pile foundation done? How does pile driving hammer machine work? Coffer Dam. How to Build Coffer Dam? Civil Engineering.
To complete the bridge construction in the sea, you have to fight against strong currents. One mistake can ruin your plan. Engineers had a tough challenge. In order to remove the water from the construction site, a dam has to be made which is called a cofferdam. A cover dam is a water retaining structure. Every bridge uses piles. Pillars are to be constructed on top of piles.
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