November 21, 2024
November nineteenth,Water resources around the Beibu GulfANew Progress in the Construction of Dacheng Branch Tunnel of Bid 6。The tunnel Boring Machine with the largest diameter of the project developed by China Railway Equipment(TBM)“Yuehaihuanbei No.5“Tunneling mileage successfully exceeded 1000 meters。
The Guangdong Water Resources Allocation Project around the Beibu Gulf is the Guangdong Provincial Committee.、The provincial government coordinates the future development of the four cities in western Guangdong,Major water conservancy projects planned for construction、People's livelihood project,The total length of the water transmission line is 490.33 kilometers,The design diversion flow of the project is 110 cubic meters./Seconds。
AMark 6 is West High Trunk Line(Xijiang Water Intake to Gaozhou Reservoir)Part of Yunkaishan Tunnel,The line is arranged from northeast to southwest.,Total length 24.82 kilometers,2 sets of open typeTBMAnd drill and blasting method.。Among,Total length of Dacheng adit: 10.Four kilometers,The maximum buried depth of the tunnel is 890 meters.,Excavation diameter of 9.43 meters、The whole machine has a length of 200 meters.“Yuehaihuanbei No.5”TBMThe Roadheader is used for construction。This is also the largest diameter of the whole line of the Guangdong Water Resources Allocation Project around the Beibu Gulf.TBM。
Facing complex geological conditions、Frequent occurrence of geological disasters、Comprehensive problems such as strict settlement control,China Railway Equipment Group“Yuehaihuanbei No.5”TBMQuantity tailor-made design,It is equipped with an intelligent tunneling system.、Advance geological prediction system、Advanced technologies such as advanced detection systems and large refrigeration systems。During tunneling,Technical service personnel and on-site construction personnel work together,Continuously improve the management level and construction technology,By correctionTBMPosture,OptimizeTBMEffective measures such as tunneling parameters,Make sureTBMBe in the best condition at all times,Successfully achieve the goal of tunneling,Accumulative excavation breaks through 1000 meters。
It is reported that,The water resources allocation project around the Beibu Gulf in Guangdong is one of the country's 150 major water conservancy projects.,After completion,Will be formed“One river, two reservoirs and three trunk”,Water supply pattern covering 4 cities and 13 districts and counties in western Guangdong,Realize joint commissioning of rivers and reservoirs、Mutual benefit of water resources,Systematically solve the problem of water shortage in western Guangdong,To enhance the comprehensive carrying capacity of the west wing of the coastal economic belt、Speed up construction“One core, one belt and one area”The regional development pattern is of great significance.。
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