"The world's first span"! Zoomlion Helps Zhang Jinggao Yangtze River Bridge "Jiaolong Out of the River"

July twenty sixth，At“The world's first span”Construction Site of Auxiliary Tower of South Channel Bridge of Zhangjinggao Yangtze River Bridge，With the staff“Loose hook！Loose hook！”Issuance of instructions，The first segment of the steel tower, weighing about 83 tons, was hoisted by the boom Tower Crane of Zoomlion.，Fall firmly on the pier of the bearing platform，Its installation is like a dragon coming out of the river.，It marks that the construction of the main bridge of the bridge has been formally transferred to the construction stage of the tower column.，Make new key progress。

This is the only auxiliary tower of Zhang Jinggao Yangtze River Bridge.——First section of auxiliary tower of South Channel Bridge，16 meters long、7 meters wide、High 5.1 meter，It weighs about 83 tons.。There is a circle of steel bars around the auxiliary tower.，Up to 800 roots，Each alignment should be controlled within 2 mm.。Large plane area of the first steel tower、The weight of the structure is large，Lifting requires high precision.。

To ensure the smooth progress of hoisting，The project party has adopted ZoomlionLH3350-120 jib Tower Crane。As the world's largest internal climbing boom Tower Crane，LH3350-The maximum rated lifting weight of 120 is 120 tons.，It is equivalent to lifting 100 ordinary cars at the same time.，In-product performance、Quality assurance、Intelligent technology and other aspects set up a new benchmark for super-large boom Tower Crane.。

Zhang Jinggao Yangtze River Bridge is about 30 kilometers long.，The river-crossing section is 7859 meters long.，Divided into the south、North two channel bridges and south、Medium、North three approach bridges，The South Channel Bridge with a span of 2300 meters is the largest span bridge in the world.。The auxiliary tower of South Channel Bridge is 130 meters high.，After the successful installation of the steel tower of the first section of the auxiliary tower,，The bridge has begun to take shape，The auxiliary tower will gradually grow in height，Hold up the 1220-meter-long south span。

Zhang Jinggao Yangtze River Bridge will also welcome the world's first over 10,000-ton Tower Crane built by Zoomlion.W12000-450 andR8000-320 and many other super-large Tower Cranes.。The heavy equipment of these big countries will provide a solid equipment guarantee for the construction of this big country.。

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