National Highway 351 Jiajinshan Tunnel Flat Tunnel TBM Excavation Breakthrough 4000 Meters

April 18，Xingshu Company builds parallel guide of National Highway 351 Jiajinshan Tunnel on behalf of othersTBMA total of 4015 meters of excavation，ZhanTBM62% of the design quantities of 6420m％，Excavation breaks through the 4000 meters mark，More than half of the tunneling task has been completed.，Lay a solid foundation for achieving the goal of parallel pilot tunnel penetration。This is“Jiajinshan”TBMAnother breakthrough achievement in tunneling construction was made again after the successful launching of No.。It is facing great difficulties、The task is heavy、High-risk challenges，Since the commencement of the project，Just uphold it“Pay attention to safety promotion，Emphasize quality and ensure benefit”Construction concept，Jiajinshan Tunnel Command has always insisted on the downward shift of management focus.，Pay close attention to quality, safety and stability、Continue to promote standardized management in depth、Scientific and orderly acceleration of project construction，At the same time，Carefully organize the construction task，Reasonable arrangement of personnel posts，Strengthen the reserve of materials and spare parts of equipment，Continuously improve construction efficiency，Make sure it's safe、Smooth tunneling。For security“Jiajinshan”TBMContinue to accelerate、Efficient tunneling，The Provisional Party Branch was establishedTBMParty member commando，Take Party building as the guide，Formulate a special work programme，Strengthen process optimization and tunneling data analysis，Adhere to the pre-shift system，No work stoppage during the Spring Festival，Implement advanced geological prediction and other measures，Solve the problem of short construction period in winter in plateau area、The surrounding rock is broken、Ice and snow transportation and other difficult problems，Greatly accelerate the speed of the project。Coming up，The project will forge ahead、Cohesion、Overcome difficulties，Set off a great upsurge，To a high standard、High quality、Strict requirements to promote the rapid construction of projects，Make unremitting efforts to realize the smooth opening of the project。(Xingshu Company）

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