Hangzhou Bay Bridge,Hangzhou,China

The Hangzhou Bay Bridge is the longest cross-sea bridge in the world.This is also one of biggest piling projects have done.The biggest length was 89m,and diameter all 1600m.thickness 18-15mm.In total, 5,600 huge steel piles have been installed. Several hundred million yuan were spent on quality checks of these steel piles, which have proved to withstand 4,000 tons of force from crash by large vessels.For operations in deep water, a 3,000-ton and a 2,200-ton special floating cranes were also manufactured and put in use to lift the bridge.

Project Photos