Above the clear water
between the valleys
Look at the aerial view of the camera
The shocking Tongzi River Bridge
Basic Information
Name: Tongzi River Bridge
Nationality: Guizhou
Length: 1,422 meters for the whole bridge and 965 meters for the main bridge
Height: The bridge deck is about 365 meters from the river valley, which is equivalent to the height of a 121-story building
Type: Suspension bridge
Features: Large-span suspension bridge with high and low towers and pileless foundation design
The entire line of the Kim In-tong Expressway
A total of 60 bridges were erected
Numerous bridges
Why is the Tongzi River Bridge the most unique?
Because......
The combination form of design structure is rare in China
Bridge anchorage system
Tunnel anchors and gravity socket anchors are employed
High and low towers on both sides of the river
Adopt the form of pile group foundation and expanded foundation
The main cable is made of 1960Mpa high-strength galvanized aluminum parallel steel wire
The number of shares was increased from 114 to 91
The key line sites are more restricted by the external environment
Renhuai'an 208-meter-high tower and tunnel anchor
It is the construction period control part of the whole bridge
The villages are densely packed
The construction area is disturbed
The temporary road conditions are complex and tortuous
It is difficult for large materials to enter the market
There are villages around the bridge
The road is narrow
The slope is steep
Small turning radius
It is difficult for construction vehicles to pass
Particularity of karst landforms
There is a large karst cave under Renhuai'an
In order to ensure the safety of construction
The project department repeatedly designed and discussed
Finally, the pile foundation design is adopted
The construction is difficult, the technical difficulties are many, and the safety risk is high
The builders have overcome one hurdle after another
Solve puzzles one by one
now
The Tongzi River Bridge successfully completed the load test
Coming soon
Under the blue sky and white clouds
Tongzi River Bridge is like
A "steel dragon" straddles the mountains and valleys
Majestic bridge towers
Crimson main cable
A pure white sling
It complements each other with the green hills on both sides of the strait
before
Across the river
Open your eyes and see, lift your legs and walk for half a day
now
Bridges
Let the moat become a thoroughfare
Unblocked traffic arteries
It has become an important link for regional economic development
Part of the source: China Railway Guangzhou Engineering Bureau Group Co., Ltd