September 18, 2024
September 12,One with a diameter of 6.The Shield Machine of 35 meters was checked and accepted in Changsha Second Industrial Park of Railway Construction Heavy Industry.,To be sent to Cluj, Romania-Napoca,Participate in local subway construction,This is the first time that domestic Shield Machines have been exported to Romania.。
It is understood that,Cluj, Romania-A total of 2 domestic Shield Machines were purchased for Napoca Metro Project.,The shield machine will participate in the St. Mary's station of the project.-Construction of interval tunnel of United Europe Station。Under construction,Shield machine needs single-line long-distance tunneling 5.Six kilometers,And through the sand、Gravel、Salt mine and other complex strata and 5 geological fault fracture zones,At the same time, it is necessary to overcome the continuous excavation of cohesive soil strata.、Construction problems such as 175-meter small-radius turning。
In view of the long-distance tunneling faced by engineering construction、Problems such as crossing complex strata and easy caking of mud cake on the cutter head,The development team of Railway Construction Heavy Industry has carried out targeted design.,Composite cutter head with four spokes and large opening ratio、Multi-level muck improvement system、Advance drilling and grouting for reinforcement、Active articulation system, etc.,Ensure that the performance of shield machine meets the requirements of engineering construction。
Cluj, Romania-Napoca is the second largest city in Romania.,Cluj-The Napoca subway tunnel is about 21 kilometers long.,A total of 19 subway stations and 1 ground station。
It is reported that,The first half of this year,The overseas business of China Railway Construction Heavy Industry Co., Ltd. has increased substantially,Amount of newly signed contracts completed 21.5.3 billion yuan,Year-on-year growth of 77.15%,Realize Romania、Poland、Algeria、Breakthroughs in orders from new national markets such as Azerbaijan。So far,Tiejian Heavy Industry Co., Ltd. has realized shield machine、Drilling and blasting construction equipment、Overseas sales of 34 products such as mining equipment,Exports to more than 40 countries and regions。
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