Difference between revisions of "Wanglongbao Bridge"

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Wanglongbao is one of 3 giant beam bridges that traverse over or along the deep Beipanjinag River valley  
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Wanglongbao is one of 3 giant beam bridges that traverse over or along the deep Beipanjinag River valley.  The long 886 meter bridge has a span configuration of 4x40 +85+160+85 +3x30 meters atop piers as high as 95 meters.
Puli Bridge will become the highest suspension bridge in Yunnan Province when it opens in 2015.  The main span of 628 meters will be unique among China's highest suspension bridges in that it will have a thin, box deck girder instead of the usual truss.  The Longjiang Bridge - also under construction in Yunnan Province - will also utilize an aerodynamic box deck girder.  The entire deck will require 52 segments of 12 meters in length.  The bridge crosses Puli creek just 200 meters before it empties into the spectacular Gexianghe River gorge.
 
  
The span is part of the new G56 expressway that will connect the city of Xuanwei, Yunnan with Liupanshui, Guizhou as well as the G76 expressway in Bijie, GuizhouThis entire Yunnan/Guizhou border region is becoming a new hot spot of high Chinese bridgesIn addition to Puli they include the Beipanjiang Railway, Beipanjiang 2013, Beipanjiang 2016, Dimuhe, Zongqihe and Yuzuo Bridges.   
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Just a kilometer north of Wanglongbao is the massive Beipanjiang 2013 Bridge with the longest beam span ever attempted on a high level bridge with a distance of 290 meters between piersSeveral kilometers south of Wanglongbao is the towering Laoyingyan beam bridge with 2 spans of 160 metersThe famous 2011 Beipanjiang Railway Bridge crosses under the highway just south of the Wanglongbao Bridge and makes for easy access for rail fans stopping to see the 275 meter high arch bridgeThere are few places in the world where there are 4 high bridges in such close proximity to each other.     
  
  
 
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[[File:PuliElevComingSoon.jpg|750px|center]]<br />
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[[File:WanglongbaoElevComingSoon.jpg|750px|center]]<br />
Puli Bridge Elevation<br />
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Wanglongbao Bridge Elevation<br />
 
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Revision as of 07:10, 10 June 2013

Wanglongbao Bridge
望龙包特大桥
Fa’er Bouyei, Guizhou, China
(476) feet high / (145) meters high
525 foot span / 160 meter span
2013


Wanglongbao is one of 3 giant beam bridges that traverse over or along the deep Beipanjinag River valley. The long 886 meter bridge has a span configuration of 4x40 +85+160+85 +3x30 meters atop piers as high as 95 meters.

Just a kilometer north of Wanglongbao is the massive Beipanjiang 2013 Bridge with the longest beam span ever attempted on a high level bridge with a distance of 290 meters between piers. Several kilometers south of Wanglongbao is the towering Laoyingyan beam bridge with 2 spans of 160 meters. The famous 2011 Beipanjiang Railway Bridge crosses under the highway just south of the Wanglongbao Bridge and makes for easy access for rail fans stopping to see the 275 meter high arch bridge. There are few places in the world where there are 4 high bridges in such close proximity to each other.



Wanglongbao Bridge Elevation


The official photo and computer rendition above shows how the bridge would look if it crossed over the Gexiang River gorge. The bridge will actually cross the above view 90 degrees adjacent by coming straight from the left side slope and directly towards you. The Puli River is a tributary of the Gexiang and is hidden below the view of the camera.


PuliValleyView.jpg

A clean view of the Gexiang River gorge. The cameraman is standing on the approximate location of the Puli Bridge west tower while the east tower will be on the green slope on the left side. If the Gexiang River were to be crossed by a suspension bridge it would likely be more then 500 meters high!


PuliBridgeDrawing.jpg

Another early computer rendering of the Puli Bridge.


PuliBridgeConstRoads.jpg

In 2011 a series of construction roads were created to access the foundation of one of the bridge towers. Construction of the bridge began in 2012.


PuliBridgeGroup.jpg

A group of Yunnan engineers visit the east slope of the bridge site in 2011.

PuliModel.jpg

A group of Chinese engineers discuss the bridge design. The simplified terrain below the model does not show the full height of the V-shaped valley.


PuliModelView.jpg


PuliSatellite.jpg

Puli Bridge satellite image with bridge and highway drawn in. Note how the bridge crosses the Puli River just before it empties into the Gexiang River that flows off to the right. The Puli River likely tumbles down a waterfall-like cascade for the last 100 meters of descent before it blends into the Gexiang River.