Yachi River Bridge (Chinese:鸭池河大桥) is located on the Yachi River in Guizhou Province, China. It is part of the highway connecting Bijie City and Guiyang City.
Yachi River Bridge has a total length of 4,068 ft (1,240 m) and a main span of 2,625 ft (800 m); the bridge deck is 1,424 ft (434 m) above the ground and 1,004 ft (306 m) above the water.
The bridge deck is a two-way 4-lane highway with a design speed of 80 kilometers per hour. The total project investment reaches 750 million yuan (US $110 million).
The design life of the bridge is 100 years.
The construction of the Yachi River Bridge started on August 24, 2014; the main bridge closure project was completed on May 19, 2016, and the bridge was fully connected; on July 16, 2016, the Yachi River Bridge was opened to traffic.
- In March 2011, the Yachi River Bridge was studied.
- In December 2012, the preparation of the construction feasibility study of the Yachi River Bridge was completed.
- On August 24, 2014, the construction of the Yachi River Bridge started.
- On June 6, 2015, the Yachi River Bridge completed the capping of the main tower; on July 14, the Yachi River Bridge carried out the main bridge cable installation work; on November 10, the Yachi River Bridge carried out the main bridge steel truss erection work.
- On May 19, 2016, the Yachi River Bridge completed the main bridge closure project, and the bridge was fully connected; on June 14, the Yachi River Bridge was paving the deck; on June 29, the Yachi River Bridge was inspected.
- On July 16, 2016, the Yachi River Bridge opened to traffic.
The Yachi River Bridge has a total length of 4,068 ft (1,240 m) and adopts a span layout of (72+72+76+800+76+72+72) m. The main span is 2,625 ft (800 m) and the width is 80 ft (24.5). m ).
The center spacing of the main girder is 27 meters, the girder height is 7 meters, the internode length is 8 meters, and the standard beam section is 16 meters long.
The bridge has a total of 2 pylons with an internal spacing of 32 meters and an external spacing of 39 meters;
The east bank tower is 243.2 meters high, the upper tower is 86.1 meters high, the middle tower is 97.1 meters high, and the lower tower is 58 meters; the west bank tower is 258.2 meters high, the upper tower is 86.1 meters high, and the middle tower is 97.1 meters high. The lower tower is 73 meters high.
The bridge deck is 1,424 ft (434 m) above the ground and 1,004 ft (306 m) above the water.
The bridge has a total of 192 stay cables with a length of 103 to 425 meters and a maximum cable weight of 43 tons.
Equipment and facilities
As of July 2016, the Yachi River Bridge has been equipped with an electronic monitoring system to monitor the road surface of the bridge.
On August 9, 2019, the Yachi River Bridge successfully piloted new antenna technology. The network coverage of the bridge area was increased by 5-10 decibel milliwatts, and the unilateral coverage distance reached 1,200 meters. The network usage perception has improved significantly, which can fully meet the needs of the Yachi River. Network coverage requirements for long line-of-sight and complex terrains such as bridges.
Yachi River Bridge Data
- East Asia
- In use
- Official name
- Other name(s)
- Yachihe Bridge
- Yachi River, Guizhou, China
- Maintained by
- Guizhou Provincial Department of Transportation
- 750 million yuan (US $110 million )
- Design life
- Aug-24, 2014
- Construction end
- May-19, 2016
- Jul-16, 2016
- Total Duration
- Total length
- 4068 ft ( 1240 m )
- 847 ft ( 258.2 m )
- 80 ft ( 24.5 m )
- Deck height
- 1424 ft ( 434 m )
- Longest span
- 2625 ft ( 800 m )
- Design type
- Cable-stayed bridge
- Design speed
- 80 km / h
- Road scale
- 4 lanes
- Yachi River
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