Difference between revisions of "Yachi Bridge"

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[[File:YachiLakeAerial.jpg|750px|center]] 
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[[File:YachiheEastTowerQuadcopter.jpg|750px|center]] 
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[[File:Yachi2014AccessRoad.jpg|750px|center]] 
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiWestTower&Cliffs.jpg|450px|center]] 
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A view of the west tower from the east side.  Image by Eric Sakowski / HighestBridges.com
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Base of the west tower.  Image by Eric Sakowski / HighestBridges.com
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[[File:YachiWestTowerLonglens2014.jpg|750px|center]] 
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West tower construction.  Image by Eric Sakowski / HighestBridges.com
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[[File:YachiSanchaheDam.jpg|750px|center]] 
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Completed in 1995, the Yachi Dam is located 2 kilometers downstream of the bridge.  Image by Eric Sakowski / HighestBridges.com
  
  
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[[File:DamNearYachiCrossing.JPG|750px|center]]
 
[[File:DamNearYachiCrossing.JPG|750px|center]]
Completed in 1995, the Yachi Dam is located 2 kilometers downstream of the bridge.
 
  
  
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[[File:YachiSanchaheDamBehind.jpg|750px|center]]
Tianzhu Peak overlooks the junction of 3 of Western China's greatest waterways - the Wujiang, Sancha and Liuchong Rivers.  
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiDam.jpg|750px|center]]
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[[File:YachiSanchaheWide Panorama.jpg|750px|center]] 
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Old and new crossing of the Wujiang River 1 kilometer north of the dam.  Image by Eric Sakowski / HighestBridges.com
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[[File:YachiSanchaheBridgesClose.jpg|750px|center]] 
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiSanchaheCables&Deck.jpg|750px|center]] 
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiBridgeImageDrawing.jpg|750px|center]]
  
  
[[File:TriareaLakePeak.jpg|750px|center]]
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[[File:Dam&YachiBridge.jpg|750px|center]]
  
  
[[File:DamBuilt1995.jpg|750px|center]]  
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[[File:Tianzhu peak.jpg|750px|center]]
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Tianzhu Peak overlooks the junction of 3 of Western China's greatest waterways - the Wujiang, Sancha and Liuchong Rivers.
  
  
[[File:YachiDam.jpg|750px|center]]  
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[[File:TriareaLakePeak.jpg|750px|center]]
The backside of the Yachi Dam near the crossing of the cable stayed bridge.
 
  
  

Revision as of 05:27, 22 January 2015

Yachi Bridge
鸭池河特大桥
Daguanzhen, Guizhou, China
1,444 feet high / 440 meters high
2,625 foot span / 800 meter span
2016

YachiBridgeView.jpg


With a height of over 400 meters, the Yachi Bridge is not only the world's second highest cable stayed bridge but also one of the longest with a main span of 800 meters. Wedged between two long tunnels, the 1,461 meter long structure is supported by towers as tall as 258 meters. There is no other cable stayed bridge in the world in a mountain setting as colossal as Yachi Bridge. The 800 meter span is also a record for any truss-deck cable stayed crossing.

Despite an official height of over 400 meters, Yachi Bridge is actually only 306 meters above the surface of a huge reservoir more then 130 meters deep formed by the Yachi Dam that is located just 2 kilometers downstream. The road deck is at elevation 1,276 with the surface of the reservoir at 970 meters.

With steep slopes on both sides of the canyon, Yachi Bridge has unusually short but heavy concrete back spans of only 220 meters that counteract the pull of each of the 400 meter halfs of the 800 meter main span. The span configuration is 71+72+77+800+77+72+71 +8x30 meters. Yachi is the largest bridge on the 77 kilometer Guiyang to Qianxi 贵阳至黔西高速公路 expressway.

Yachi is one of several dozen bridges over the Wu River that are over 100 meters high. No other river on earth has as many high spans across its waters then the Wujiang. The Province of Guizhou has more high bridges within its borders then any other region on earth. All of the high bridges in Europe combined would not equal the number of Guizhou spans that exceed 100 meters in height.


Yachi2014View.jpg

Image by Eric Sakowski / HighestBridges.com


Yachi2014EastTowerLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiWestTower&Dam.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheWestQuadcopter.jpg


YachiWestTower&Crane.jpg

Image by Eric Sakowski / HighestBridges.com


YachiLakeAerial.jpg


YachiheEastTowerQuadcopter.jpg


Yachi2014AccessRoad.jpg

Image by Eric Sakowski / HighestBridges.com


Yachi2014LookingEast.jpg

Image by Eric Sakowski / HighestBridges.com


YachiBridgeFacts.jpg

Image by Eric Sakowski / HighestBridges.com


YachiCraneLift.jpg

Image by Eric Sakowski / HighestBridges.com


Yachi2014Construction.jpg

Image by Eric Sakowski / HighestBridges.com


YachiEastTowerLonglens2014.jpg

Image by Eric Sakowski / HighestBridges.com


YachiEastTower&Cranes.jpg

Image by Eric Sakowski / HighestBridges.com


YachiEastTowerLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiEastTowerTopLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiLakeLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiTowerOpening.jpg

Image by Eric Sakowski / HighestBridges.com


YachiWestTower&Cliffs.jpg

A view of the west tower from the east side. Image by Eric Sakowski / HighestBridges.com


YachiWestTowerBase.jpg

Base of the west tower. Image by Eric Sakowski / HighestBridges.com


YachiWestTowerLonglens2014.jpg

West tower construction. Image by Eric Sakowski / HighestBridges.com


YachiSanchaheDam.jpg

Completed in 1995, the Yachi Dam is located 2 kilometers downstream of the bridge. Image by Eric Sakowski / HighestBridges.com


YachiSanchaDamWide.jpg

Image by Eric Sakowski / HighestBridges.com


DamNearYachiCrossing.JPG


YachiSanchaheDamBehind.jpg

Image by Eric Sakowski / HighestBridges.com


YachiDam.jpg


YachiSanchaheWide Panorama.jpg

Old and new crossing of the Wujiang River 1 kilometer north of the dam. Image by Eric Sakowski / HighestBridges.com


YachiSanchaheBridgesClose.jpg

Image by Eric Sakowski / HighestBridges.com


YachiSanchaheCables&Deck.jpg

Image by Eric Sakowski / HighestBridges.com


YachiBridgeImageDrawing.jpg


Dam&YachiBridge.jpg


Tianzhu peak.jpg

Tianzhu Peak overlooks the junction of 3 of Western China's greatest waterways - the Wujiang, Sancha and Liuchong Rivers.


TriareaLakePeak.jpg


YachiWorkers.jpg

Foundation work on one of the Yachi Bridge towers.


YachiExpresswaySatellite&Bridge.jpg

Yachi Bridge satellite image.


YachiExpresswayLocationMap.jpg

Yachi Bridge location map.


GuiyangToQianxiMap.jpg

Guiyang to Qianxi expressway map.