Core Points - The Yunnan Central Water Diversion Project is the largest water resource allocation project in Southwest China, with an investment of significant scale and expected to benefit over 11 million people across 36 counties [1][7] - The project includes the construction of the world's largest underground pump station and the largest water pumps in Asia, with a total installed capacity of 480 megawatts [1][7] - The project has faced numerous challenges, particularly in the construction of tunnels through complex geological conditions, requiring innovative engineering solutions [2][4][6] Project Overview - The first phase of the Yunnan Central Water Diversion Project consists of a main water conveyance line of 664 kilometers, with over 92% of it being tunnels [2][7] - The project began construction in October 2018 and has made significant progress, with 94% of the main water conveyance line completed as of mid-October [7] - The second phase will distribute the water to key areas, including major lakes and cities in Yunnan province [7] Engineering Challenges - The construction of the Xianglu Mountain tunnel, which is 63.1 kilometers long and located over 1,000 meters underground, presents significant geological challenges [2][3] - The project team has implemented various advanced support measures to address risks such as water and mud bursts during construction [2][4] - Innovative technologies, including geological radar and infrared water detection, have been employed to monitor and manage geological risks [4][5][6] Research and Innovation - A research group has been established to study the deformation mechanisms and control technologies related to the sandy limestone encountered in the tunnels, resulting in several patents [5][6] - The project emphasizes the importance of innovation in overcoming technical difficulties, with a focus on advanced construction methods [6][7]

滇中引水工程为云南省有史以来投资最大的民生工程，横跨金沙江、澜沧江、红河三大流域，输水干线 总长664公里，惠及昆明、楚雄等6州(市)1112万人。 楚雄段全长153.53公里，隧洞占比达91.6%，工程穿越"滇中红层"、横断山脉余脉等复杂地质区，地层 岩性以软岩为主，洞室围岩稳定性差，最大埋深695米。楚雄段工程建设面临深埋隧洞施工难、地下水 处理难、破碎断层穿越难、软岩大变形应对难等四大世界级施工难题。 滇中引水一期工程楚雄段隧洞全线贯通 中新网楚雄10月29日电 (孙丽 向津磊)28日，随着中铁十六局承建的凤屯隧洞最后一段岩体成功爆破， 滇中引水一期工程楚雄段实现全线贯通，为工程全线通水筑牢基础。 图为滇中引水工程凤屯隧洞出口。李绍华 摄 来源：中国新闻网 编辑：万可义 广告等商务合作，请点击这里 本文为转载内容，授权事宜请联系原著作权人 中新经纬版权所有，未经书面授权，任何单位及个人不得转载、摘编或以其它方式使用。 关注中新经纬微信公众号(微信搜索"中新经纬"或"jwview")，看更多精彩财经资讯。 此次贯通的凤屯隧洞位于牟定县境内，全长9.87公里，其出口段为单工作面掘进模式，单面掘进长达 5.9 ...

Group 1 - The core viewpoint of the articles highlights significant advancements in China's water conservancy infrastructure construction since the start of the 14th Five-Year Plan, with investments exceeding 1 trillion yuan for the first time in 2022 and projected to reach 13.529 billion yuan in 2024, totaling over 54 trillion yuan by the end of the plan, which is 1.6 times that of the previous five-year plan [1] - Since the beginning of the 14th Five-Year Plan, 172 major water conservancy projects have been initiated, optimizing the layout, structure, function, and system integration of water infrastructure [1] - By the end of 2024, China will have built 95,000 reservoirs, 200 large and medium-sized water diversion projects, 6,924 large and medium-sized irrigation areas, and 318,000 kilometers of embankments, forming the world's largest and most comprehensive water conservancy infrastructure system [1] Group 2 - The Dashi Gorge Water Conservancy Hub Project, a major national water conservancy project, has successfully begun water storage, featuring a maximum dam height of 247 meters, setting a world record for concrete-faced rockfill dams [2][5] - The project plans to install three 250,000-kilowatt turbine generator sets, with a total installed capacity of 750,000 kilowatts, capable of producing over 1.8 billion kilowatt-hours of clean electricity annually, sufficient to meet the annual electricity needs of 650,000 households [2] - The project employs "smart construction" techniques to address various challenges, including high seismic intensity and rapid flood discharge, utilizing real-time data for dynamic reservoir management and health monitoring of the dam [5] Group 3 - The Yunnan Central Water Diversion Project has made significant progress, with the successful construction of the Qujiang inverted siphon, marking a breakthrough in this major national water conservancy project [6] - This project is the largest water diversion project under construction in China, spanning 664.326 kilometers, with an average annual water diversion capacity of 3.4 billion cubic meters, benefiting over 11 million people along the route [9] - The Chongqing Zhaodu Reservoir Project has successfully completed the first tunnel, enhancing regional water supply and irrigation capabilities while serving as a flood control barrier for the surrounding areas [13]

Core Viewpoint - The Dianzhong Water Diversion Project has made significant progress with the successful construction of the Qujiang inverted siphon, marking a breakthrough in this major national water conservancy project [1][2]. Group 1: Project Overview - The Qujiang inverted siphon is located in the Water Tank Village of Gaoda Township, Tonghai County, Yuxi City, and spans approximately 1829 meters, intersecting multiple transportation routes and rivers [2]. - The project is part of the largest water diversion project under construction in China, covering a total length of 664.326 kilometers, including 611 kilometers of water diversion tunnels [3][5]. Group 2: Technical Challenges and Innovations - The construction team faced challenges such as high precision requirements for road subsidence control, complex underground pipelines, and strict ecological protection standards [2]. - Innovative techniques such as refined detection, three-dimensional pipeline positioning, and ecological isolation were employed to control roadbed subsidence within 3 millimeters while ensuring the safety of the ecological environment and pipelines [2]. Group 3: Expected Impact - Upon completion, the project is expected to achieve an annual water diversion volume of 340 million cubic meters, effectively alleviating water scarcity issues in the central Yunnan region and benefiting over 11 million people along the route [5].

滇中引水工程曲江倒虹吸位于玉溪市通海县高大乡水塘村境内，里程范围内与多条交通要道、曲江及其支流交叉，前接电站尾水池，后接鸡米冲隧洞进口， 全长约1829米。施工中，建设团队面临公路沉降控制精度高、地下管线复杂、生态保护要求严等多重挑战。通过技术攻关，项目采用精细化探测、三维管线 定位和生态隔离等创新工艺，实现路基沉降控制在3毫米以内，同时确保了沿线生态环境和管线安全。 9月28日，滇中引水工程施工取得重要进展。位于云南玉溪段的曲江倒虹吸工程成功下穿峨大公路，标志着这一国家重大水利工程建设实现新突破。 滇中引水工程是我国在建规模最大的引调水工程，途经丽江、大理、楚雄、昆明、玉溪、红河，线路全长664.326公里，其中引水隧洞611公里。建成后年均 引水量达34亿立方米，将有效缓解滇中地区缺水问题，惠及沿线1100多万人口。（总台记者 李常明） ...

Group 1: Energy Projects - The construction of the China Green Development Ginta Multi-Energy Complementary Power Station in Gansu is accelerating, with the molten salt liquefaction process nearing completion during the May Day holiday. The power station is expected to generate 1.45 billion kilowatt-hours annually upon completion [1] - In Jiangsu, the Guodian Investment Binhai 2×1 million kilowatt thermal power expansion project is underway, with 410 workers actively engaged. Once operational, it will supply 10 billion kilowatt-hours of electricity to the Yangtze River Delta each year [1] - The Qingyu DC Phase II 100 MW solar thermal power station in Qinghai is preparing for grid connection testing, with over 100 workers involved in pipeline and heliostat inspections. This project is part of the world's first long-distance renewable energy transmission corridor and is expected to generate 227.1 million kilowatt-hours annually [1] Group 2: Civil Engineering Projects - The Kunming Changshui International Airport expansion project in Yunnan is progressing rapidly, utilizing advanced distributed IoT management to create a smart terminal [2] - The Jinan Metro Line 4 has achieved a significant breakthrough with the completion of a 589-meter underground tunnel, paving the way for its operation by the end of the year [2] - The Longyun Irrigation District project in Guangxi is over 85% complete, with the construction of three remaining dams underway. Once finished, it will improve irrigation for 514,000 acres and produce an average of 32,400 tons of grain annually [2] - The Dianzhong Water Diversion Project, the largest water resource allocation project in Southwest China, has over 2,000 workers focused on tunnel excavation. The project aims to alleviate water supply issues in urban areas and improve local ecological conditions [2]