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China's first cross-sea rail-road bridge

Songxia, China

Pingtan Strait cross-sea railway bridge with total length of 16.32 km and main span 532 m cable-stayed bridge is located in Songxia. The bridge is separated into 2 deck lanes: the upper deck with a 6 lane expressway and the lower deck with a 4 track high-speed railway. It is the first cross-sea highway-railway double deck bridge in China and also the first-stage of the Taiwan strait bridge project. The H - pylons are 200 meters high.

Challenge:
Difficult geometry, high demands of wind speed of typhoon, fully closed cover of the platforms, climbing 33 castings steps from bottom to top without major rebuild of platforms.

Solution:
16 pieces automatic climbers SKE100 plus with a telescopic solution allow high adaptability to the structure geometry. The combination of steel formwork and Top 50 formwork allow high number of reuses.

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Pingtan Bridge
Pingtan Bridge
Pingtan Bridge
Pingtan Bridge
Pingtan Bridge

Project data

Year of completion
2019
Project duration
12 months
Country
China
City
Songxia
Contractors
Engineering Group

Building data

Construction method
Formwork Instructor
Structure height
200 meters
Overall length of bridge
16300 meters
Longest span
532 meters