Slurry Shield Machine with Largest Diameter Exported from China to South Korea

December tenth

China Railway Equipment Development

“China Railway 1448”Slurry balance Shield Machine

Successfully passed the acceptance of the Korean conTractor and off the production line

This Shield Machine will be used for

Gangneung, Korea—Construction of Zhujin Railway Bid Section 1 Project

It is independently developed by China and exported to South Korea.

Maximum diameter slurry balance Shield Machine

Project overview

Gangneung—Zhujin Railway Lot 1 Project，Located in Gangneung, Gangwon Province, South Korea，The Sea of Japan to the west、East China Sea to the east，The whole line passes through the coastal lowlands and Taibai Mountains.，The total length of the tunnel in this section is 2869 meters.，With 0.17%The slope continues to go uphill.，Gneiss to be traversed、Weathered soil、Weathered rock、Soft rock and other complex geological layers，In which that condition of the originating assembly site are extremely limit，The maximum strength of rock is 150 MPa.，Both design and construction are facing great challenges.。

Equipment introduction

For the special geological conditions of this project，The technical team adopted a modular design.，Equipped with a new mud-water balancing system，It can achieve stability under the geological conditions of soft and hard interlaced.、Efficient tunneling。The excavation diameter of the equipment is up to 8.98 meters，The fuselage is about 76 meters long.，The total weight is about 1250 tons.。At the same time，The advanced intelligent control system enables the shield machine to operate automatically and control accurately.，So that that construction efficiency and the safety are remarkably improve。

Gangneung—The Ibujin Railway Project is an important part of the North Line Railway along the East Sea Coast of Korea, which connects the two major cities of Gangneung and Ibujin.，Total length 110.Six kilometers，It is divided into 9 bid sections for phased construction.，“China Railway 1448”It will be put into the first bid section with the most complicated construction conditions.。Due to aging of the line，The Northern Line of the East China Sea Coast Railway has been out of service since 1976.，“China Railway 1448”Get off the line smoothly，It means the countdown to the restart of the North Line Railway on the East Coast of South Korea, which has been dusty for more than 40 years.。
 

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