Difference between revisions of "Yachi Railway Footbridge"

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Revision as of 01:36, 19 May 2016

Yachi Railway Footbridge
鸭池河特大桥
Daguanzhen, Guizhou, China
(459) feet high / (140) meters high
(1,148) foot span / (350) meter span
2014-2017

YachiFootbridgeView.jpg


The Yachi Railway Bridge is not only impressive for its height of nearly 300 meters but for having an epic main arch span of 436 meters. Among railway-only steel arch bridges, only the Nujiang and the Xijiang have longer main spans. Designed for high speed trains on the line from Guiyang to Chengdu, the twin track structure is composed of a steel-concrete composite truss. The main ribs lean 4.62 degrees inward forming a basket-handle arch shape with suspenders for the central section. The approach spans on either side of the main arch are also unique being composed of a cantilevered T-beam of 2x61.75 meters.

Spanning a deep reservoir from a downstream dam, the Yachi Railway Bridge is approximately 230 meters above the surface of the lake. The Wu River has a greater number of high bridges across its waters then any other river on earth with almost two dozen crossings exceeding 100 meters in height. Approximately 45 kilometers upstream of the Yachi Railway Bridge is the Najiehe Railway Bridge which is the highest railway span in China at 310 meters.

Although not as large as Yachi, the Xixihe Railway arch bridge is also located on the Guiyang-Chengduu line and is one of the world's 10 highest railway bridges at 256 meters. The entire line measures 651 kilometers in length.


YachiRailwayDrawing.jpg


YachiComputerView.jpg


YachiRailwayLookingEast.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayRedHighline.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayPiersLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


216YachiRailwayFootbridgeRichard copy.jpg

Image by Eric Sakowski / HighestBridges.com


217YachiRailwayFootbridgeByRichardScott.jpg

Image by Richard Scott.


218YachiRailwayHighlineByRichard.jpg

Image by Richard Scott.


WujiangRailwayByRichard.jpg

Image by Richard Scott.


220YachiRailwayPanorama copy.jpg

Image by Eric Sakowski / HighestBridges.com


221YachiRailwayGroup.JPG

Image from Tadashi Ashimi.


YachiRailwayFootbridgeSideWide.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeGate.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeMesh.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeEastLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeCenterline.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeLocation.jpg

Image by Eric Sakowski / HighestBridges.com


The Suofengying Dam is located approximately 18 kilometers downstream of the Yachi Railway Bridge. The giant reservoir stretches for 35.5 kilometers with a surface elevation of 837 meters.




YachiRailwaySatellite.jpg

Yachi Railway Bridge satellite image.


YachiRailwayLocationMap.jpg

Yachi Railway Bridge location map.


Chengdu-GuiyangRailwayMap copy.jpg

Chengdu-Guiyang Railway map.