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Above the clouds, Tongzi River Bridge!

Above the clear water

between the valleys

Look at the aerial view of the camera

The shocking Tongzi River Bridge

Basic Information

Above the clouds, Tongzi River Bridge!

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

Above the clouds, Tongzi River Bridge!

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

Above the clouds, Tongzi River Bridge!

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

Above the clouds, Tongzi River Bridge!

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

Above the clouds, Tongzi River Bridge!

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

Above the clouds, Tongzi River Bridge!

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

Above the clouds, Tongzi River Bridge!
Above the clouds, Tongzi River Bridge!
Above the clouds, Tongzi River Bridge!

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