Difference between revisions of "Nanmengxi Bridge"

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Nanmengxi Bridge<br />
 
Nanmengxi Bridge<br />
南孟溪大桥<br />
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南孟溪特大桥<br />
 
Jinping, Guizhou, China<br />
 
Jinping, Guizhou, China<br />
436 feet high / 133 meters high<br />
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(722) feet high / (220) meters high<br />
394 foot span / 120 meter span<br />
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1,181 foot span / 360 meter span<br />
(2005)<br />
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2024<br />
[[File:NanmengxiBridgeSatellite.jpg|750px|center]]
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[[File:NanmengxiBrieatellite.jpg|750px|center]]
 
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Nanmengxi bridge is a tall prestressed concrete beam bridge 436 feet (133 mtrs) high.  The bridge is located in the reservoir region of the Sanbanxi Hyroelectric power station across the Qingshui River. The bridge spans over the Nanmengxi Creek with a total length of 271 meters comprised of a three span continuous concrete rigid-frame configuration of 75 +120 +75 meters plus approach spans of 20 meters. The beam is 7.5 mtrs high over the piers and 2.8 meters at the mid-span with a single cell box girder of which the width is 8.1 meters at the top and 4.1 meters at the bottom.
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Nanmengxi bridge is one of several high spans along the Jianli Expressway in Eastern Guizhou Province.  The towering cable stayed bridge has a main span configuration of 145+360+145 meters. Just a kilometer to the east is the 2-lane Nanmengxi Bridge S311. The reservoir beneath both bridges was formed by the Sanbanxi Hyroelectric power station across the Qingshui River.
  
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Other high bridges along the Jianli Expressway include the Nanzhaixi and Qingshuijiang Bridge Jianli.
  
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[[File:NanmengxiElevation.jpg|750px|center]]<br />
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[[File:NanmengxiBridgeLcationMap.jpg|750px|center]]
Nanmengxi Bridge Elevation<br />
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Nanmengxi Bridge satellite image.
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南孟溪大桥是一座133米高的预应力混凝土梁桥,位于贵州三板溪水电站库区,为跨越南孟溪河的一座特大桥梁,桥梁全长271m,其中主桥为三跨预应力混凝土变截面连续刚构,跨径组合为(75+120+75)m。主墩柱处梁高7.5m,合拢段梁高2.8m。采用单箱单室箱梁,箱梁全宽8.1m,底宽4.1m。
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[[File:NanmengxiBridgLocationMap.jpg|750px|center]]
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Nanmengxi Bridge location map.
  
  
[[File:NanmengxiBridgeLocationMap.jpg|750px|center]]
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[[File:NanmengxiBridgLocationMap.jpg|750px|center]]
Nanmengxi Bridge and Sanbanxi Dam location map.
 
  
  

Revision as of 01:44, 12 August 2021

Nanmengxi Bridge
南孟溪特大桥
Jinping, Guizhou, China
(722) feet high / (220) meters high
1,181 foot span / 360 meter span
2024


Nanmengxi bridge is one of several high spans along the Jianli Expressway in Eastern Guizhou Province. The towering cable stayed bridge has a main span configuration of 145+360+145 meters. Just a kilometer to the east is the 2-lane Nanmengxi Bridge S311. The reservoir beneath both bridges was formed by the Sanbanxi Hyroelectric power station across the Qingshui River.

Other high bridges along the Jianli Expressway include the Nanzhaixi and Qingshuijiang Bridge Jianli.


Nanmengxi Bridge satellite image.


Nanmengxi Bridge location map.



SanbanxiSatelliteImage.jpg

Sanbanxi Dam satellite view from around 2004 when the dam was nearing completion.


SanbanxiDamView.jpg