Pingtang Bridge

Pingtang Bridge (Chinese:平塘大桥) is located in Pingtanghe Village, Pingtang County, Guizhou Province, China.
The bridge runs from Tongzhou to the west, crosses the Caodu River Grand Canyon to the east, and connects to Yazhou to the east. The route passes through Dachong Village, Daao Village, Tongzhou Service Area Parking Lot, Luoyin Village, etc. It forms part of the Yuqing-Anlong Expressway (S26 of Guizhou Expressway).
 
The construction started on April 29, 2016, and the main bridge closing project was completed on September 26, 2019. The bridge was fully connected and opened to traffic on December 30, 2019.
  
The Bridge connects Tongzhou in the west, crosses the Caodu River Grand Canyon, and extends to Yazhou in the east. The total length of the bridge is 2135 meters, and the main bridge is 30.2 meters wide. The bridge deck is a two-way four-lane highway with a design speed of 80 km / h. The total investment is 1.5 billion yuan (US $ 215 million).

Overview of Pingtang Bridge
Overview of Pingtang Bridge

building structure

The Jintang Bridge is composed of the main bridge, three towers, piers, stay cables, and approach bridges. The main bridges are arranged from southwest to northeast.

Pingtang-Bridge
Pingtang-Bridge

Design Parameters

Pingtang Bridge has a total length of 2135 meters, the spans are (249.5 + 550 + 550 + 249.5) meters, and the mid-span has a 20,000-meter convex curve;
The main bridge deck width is 30.2 meters, and the approach bridge deck width is 24.7 meters.
The main beam is 30.2 meters wide, 3.36 meters high, and the steel main beam is 2.92 meters high.
The standard length of the steel longitudinal beam section is 12 meters. The towers 15 and 17 above the tower are 145.2 meters, tower 16 is 149.2 meters, towers 15 to 17 below the lower beam are 174.8 meters, 182.8 meters and 152.8 meters respectively, and the total height of the tower is 320 , 332 meters and 298 meters; the towers of Tower 15 and Tower 17 have a length and width of 40.8 × 27.4 meters and a thickness of 8.0 meters; the tower of Tower 16 has a length and width of 41.8 meters × 29.8 meters and a thickness of 8.0 meters.
Each main tower has 22 pairs of space cables. The standard cable distance of the mid-span cable stay on the beam is 12 meters, and the standard cable distance of the side span cable stays on the beam is 12 meters and 9.0 meters.

The beautiful Pingtang Bridge
The beautiful Pingtang Bridge

Construction history

Pingtang Bridge in the sky
Pingtang Bridge in the sky
  • On April 29, 2016, the Pingtang Bridge started construction.On January 1, 2017, the Bridge completed the concrete pouring of the last side of the bridge tower platform No. 16.
  • On June 7, 2018, the Pingtang Bridge completed the construction of the middle tower column
  • On November 13, 2018,It completed the capping of all bridge towers.
Pingtang Bridge under construction
Pingtang Bridge under construction
  • On September 26, 2019, the Pingtang Bridge completed the main bridge closing project, and the bridge was fully connected.
  • On December 25, 2019, the Pingtang Bridge completed the delivery and acceptance work.On December 30, 2019, It opened to traffic.
The final stage of construction
The final stage of construction

Architectural significance

The completion of the Bridge will provide a useful reference for the design and construction of large-span bridges in mountainous areas in western China.
After the Pingtang Bridge was opened to traffic, the transit time from Pingtang to Luodian was shortened from two and a half hours to one hour, and it will become the main road connecting the south of Guizhou Province.

Pingtang-Bridge
Pingtang-Bridge

Pingtang Bridge Data

Country
China
Location
Pinglihe Village, Pingtang County, Guizhou Province, China
Official name
平塘大桥
Cost
1.5 billion yuan (US $215 million )
Status
In use
Began
Apr-29, 2016
Opening date
Dec-30, 2019
Total Duration
4 years
Building Height
332 m (1,089 ft)
Length
2,135 m(7,005 ft)
Width
30.2 m (99 ft)
Deck height
310 m(1,017 ft)
Longest span
550 m(1,804 ft)
Design type
Cable-stayed bridge
Bridge type
Cross River Bridge
River
Caodu River
Road scale
4 lanes

Pingtang Bridge Location On Earth

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View Pingtang Bridge on 720yun

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REVIEW OVERVIEW
Scale ( only within the industry of this building / engineering )
8
Technology ( only within the industry of this building / engineering )
8.6
Cost ( only within the industry of this building / engineering )
6.8
Era-2016 ( The earlier the era, the higher the score,respect the older generation of engineering )
6.2

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