2025年12月30日，南充阆中市石滩镇构溪河渡槽建设现场，渡槽上部结构模板安装、混凝土浇筑等 工序正有条不紊地推进。构溪河渡槽位于四川亭子口灌区一期工程第I标段，全长708米，目前正进行第 八跨42米槽身、双联拱拱上排架等多作业面施工。 冬季是兴修水利的黄金期。在四川，亭子口灌区一期、石滩水库灌区等一批重大水利工程、中型灌 区改造项目进入建设高峰期，建成后将进一步提升全省供水保障能力。 破难点 重大项目攻坚提速、骨干水网加速完善 四川构溪河畔，一座单跨108米的双联拱凌空飞架，这是构溪河渡槽的一部分。 1个多月前，构溪河渡槽双联拱拱箱完成施工。"这是整个项目难度最大的关键工序。"四川水发建 设有限公司亭子口项目三分部项目副经理王逸介绍，构溪河渡槽是四川水利行业首次应用大跨度大流量 悬拼钢拱架支撑体系的工程，行业内参照先例很少。 2025年12月31日，位于阆中市金垭镇的石滩水库中型灌区续建配套与现代化改造项目施工现场一派 繁忙。"我们正全力抢抓工期，争取春节前完成石滩水库灌区左引水渠、干渠、水观支渠、河溪支渠等4 条渠道的集中整治，确保春耕放水的需要。"项目生产经理涂兴波介绍。 "整体来看，亭子口灌区一期工 ...

转自：四川在线 四川在线记者 尹梦奇 2025年12月30日，南充阆中市石滩镇构溪河渡槽建设现场，渡槽上部结构模板安装、混凝土浇筑等工序正有条不紊地推进。构溪河渡槽位于四川亭子口灌区 一期工程第I标段，全长708米，目前正进行第八跨42米槽身、双联拱拱上排架等多作业面施工。 冬季是兴修水利的黄金期。在四川，亭子口灌区一期、石滩水库灌区等一批重大水利工程、中型灌区改造项目进入建设高峰期，建成后将进一步提升全省供 水保障能力。 破难点 重大项目攻坚提速、骨干水网加速完善 四川构溪河畔，一座单跨108米的双联拱凌空飞架，这是构溪河渡槽的一部分。 1个多月前，构溪河渡槽双联拱拱箱完成施工。"这是整个项目难度最大的关键工序。"四川水发建设有限公司亭子口项目三分部项目副经理王逸介绍，构溪 河渡槽是四川水利行业首次应用大跨度大流量悬拼钢拱架支撑体系的工程，行业内参照先例很少。 为何采用如此特别的设计？"因为渡槽地处构溪河湿地自然保护区，为最大限度减少对当地生态环境的影响，施工严禁涉水作业。"王逸介绍，目前，项目团 队正全力推进构溪河渡槽双联拱拱上排架施工，已完成进度约50%。与此同时，双联拱6米槽身的施工也已启动，预计1月 ...

Core Viewpoint - The Tizikou Irrigation District Phase I project, including the Sujiamiao Aqueduct, is a significant water management initiative aimed at addressing water scarcity in Northeast Sichuan, with completion expected by 2027 [3][7]. Group 1: Project Overview - The Sujiamiao Aqueduct is a key control project within the Tizikou Irrigation District Phase I, measuring 2,270 meters in length and reaching a maximum height of 87 meters, making it the longest and most technically challenging aqueduct in the region [3][5]. - As of now, the Tizikou Irrigation District Phase I has completed 292.85 kilometers of tunnel excavation, 189.8 kilometers of lining, 11.02 kilometers of aqueduct pouring, and 36.2 kilometers of open and closed channels [8]. Group 2: Construction Progress - The project is currently at its peak construction phase, with 361 working faces opened across four sections and 5,207 workers and 1,623 sets of machinery involved [3][5]. - The construction of the Sujiamiao Aqueduct's foundation and pier columns has been completed, and the focus is now on the pouring of the aqueduct body [5][6]. Group 3: Economic and Social Impact - The Tizikou Irrigation District Phase I is part of a major national water conservancy initiative, aimed at solving irrigation and drinking water issues for over 3.7 million acres of farmland and more than 4 million people in Northeast Sichuan [3][7]. - The project is expected to significantly improve the water resource situation in areas like Guang'an, addressing the growing water supply-demand imbalance and supporting local economic development [7][8].

Core Insights - The article highlights the steady progress of major "14th Five-Year Plan" projects across various regions, contributing to high-quality economic and social development [1] Infrastructure Development - The Beijing Rail Transit Line 22 Hebei section has officially begun track laying, marking the first inter-regional rail line between Beijing and Hebei, with a total length of approximately 81 kilometers and 22 stations, reducing travel time from Hebei Yanjiao to Beijing CBD to about 32 minutes [3] - In Anhui, the Chaoma Intercity Railway, part of the national "Eight Vertical and Eight Horizontal" high-speed rail network, has commenced track laying, connecting Chaohu and Ma'anshan, expected to be completed next year, enhancing the integration of the Yangtze River Delta [5] - The Ge'er Tunnel of the Xining-Chengdu Railway in Gansu has successfully passed through, with an average elevation of 3,300 meters, making it the highest tunnel in the Xining-Chengdu Railway project, reducing travel time from Xining to Chengdu from around 10 hours to approximately 4.5 hours upon completion [7] Water Conservancy Projects - The construction of the Shandong Linyi Menghe Shuangshuo Reservoir, a significant water conservancy project under the "14th Five-Year Plan," is progressing rapidly, currently at 75% completion, expected to enhance flood control, water supply, and irrigation in the Yihe River basin, thereby ensuring agricultural and food security [9] - In Guangdong Zhanjiang, the largest pump station of the North Bay Guangdong Water Resource Allocation Project is nearing completion, expected to be operational by 2031, spanning over 490 kilometers and benefiting more than 18 million people by connecting 12 reservoirs [11] - In Sichuan Nanchong, the first phase of the Tingzikou Irrigation District project is under construction, expected to be operational by 2027, addressing irrigation for over 3.7 million acres of farmland and drinking water for more than 4 million people [11]

Core Insights - The article highlights the steady progress of major "14th Five-Year Plan" projects across various regions, contributing to high-quality economic and social development [1] Infrastructure Development - The construction of transportation infrastructure is accelerating, with the Beijing Subway Line 22's Hebei section officially starting track laying, spanning approximately 81 kilometers and connecting key areas including Beijing's CBD and Hebei's Yanjiao Development Zone. The travel time from Yanjiao to Beijing CBD will be reduced to about 32 minutes [5] - In Gansu, the Ge'er Tunnel of the Xining-Chengdu Railway has successfully passed through, with an average elevation of 3,300 meters, making it the highest tunnel in the Xining-Chengdu Railway. Once completed, the travel time from Xining to Chengdu will decrease from around 10 hours to approximately 4.5 hours [9] Water Conservancy Projects - The winter period is ideal for water conservancy repairs, with the Shandong Linyi Menghe Shuangpo Reservoir project progressing to 75% completion. It is expected to enhance flood control, water supply, and irrigation functions in the Yihe River basin upon completion in 2026, thereby ensuring agricultural and food security [12] - In Guangdong, the largest pump station of the North Bay Guangdong Water Resource Allocation Project is nearing completion, with the project expected to be operational by 2031. It will connect 12 reservoirs along a 490-kilometer route, benefiting over 18 million people [13] - The first phase of the Tingzikou Irrigation District project in Sichuan is under construction, expected to be completed by 2027, addressing irrigation needs for over 3.7 million acres of farmland and drinking water for more than 4 million people [15]

Core Points - The "Yin Da Ji Min" project has officially commenced, aiming to transport water from the Dadu River to the Chengdu Plain, addressing long-standing water scarcity issues in Sichuan [1][2] - This project is a significant part of Sichuan's water resource management strategy, enhancing connectivity between major rivers and optimizing water distribution across the region [2][3] Group 1: Project Background and Significance - The concept of the "Yin Da Ji Min" project dates back to the 1950s, with formal proposals emerging in the 1990s after extensive research and planning [2] - It is recognized as a key component of the "National Water Network Construction Planning Outline," serving as a crucial water supply channel for Sichuan's economic and social development [2][3] Group 2: Investment and Infrastructure Development - Sichuan's water infrastructure investment has seen historic growth, with total investments expected to exceed 280 billion yuan, marking a shift from single-channel funding to diversified financial sources [3] - Major water projects, including the Xiangjiaba irrigation area and modernization of existing systems, are progressing steadily, contributing to a more integrated water network [3][5] Group 3: Impact on Local Communities - The project aims to alleviate water scarcity in rural areas, significantly improving access to clean water for over 22 million residents through initiatives like the establishment of large-scale water supply plants [4][5] - The "Yin Da Ji Min" project is projected to provide an annual water supply of 1.523 billion cubic meters, enhancing water quality and availability for both residential and industrial needs [6][7] Group 4: Long-term Vision - The "Yin Da Ji Min" project is viewed as a new starting point in Sichuan's ongoing efforts to address water resource challenges, emphasizing the importance of sustainable water management for future development [8]

Core Viewpoint - The completion of the Yunwuzhai tunnel marks a significant milestone in the construction of the Tizikou irrigation district phase one project, which is crucial for supporting the economic and social development of drought-affected areas in northeastern Sichuan and revolutionary old districts [1] Group 1: Project Details - The Yunwuzhai tunnel has a total length of 2,928 meters and a designed water flow capacity of 6.65 cubic meters per second [1] - The Tizikou irrigation district phase one project consists of 17 channels, with a total length of 375.59 kilometers [1] - Upon completion, the project is expected to provide an average annual water supply of 396 million cubic meters [1] Group 2: Construction Challenges - The tunnel's geological conditions are complex, characterized by fractured rock, poor stability, abundant groundwater, and high gas risks, making construction difficult and safety risks high [1] - The project team has implemented strict safety measures, including the "one blast three checks" system and "three-person chain blasting system," along with advanced geological forecasting to ensure safety during construction [1] Group 3: Future Outlook - The completion of the tunnel is seen as a critical step in advancing the overall project construction, which is part of the "project attack year" initiative [1] - The project is a key component of Sichuan's "six horizontal and six vertical" backbone water network, aimed at enhancing water supply and supporting regional development [1]

Core Insights - Sichuan province is experiencing a significant surge in water conservancy investment, with a target of 700 billion yuan for the year, marking a historic high in water infrastructure development [6][7][8] - The province completed 566 billion yuan in various water conservancy investments in the first three quarters, ranking fifth nationally and showing a 16% year-on-year increase [5][8] - Major projects like the Tingzikou Irrigation District and Qingyu Reservoir are accelerating construction, contributing to job creation and economic growth [7][8][10] Investment and Construction Progress - The province has established a robust mechanism for project supervision and task allocation to ensure timely completion of water conservancy projects [9][10] - The Tingzikou Irrigation District project has seen a cumulative investment of 103 billion yuan, with construction progressing two months ahead of schedule [5][7] - A total of 693 billion yuan in water conservancy funds has been raised, nearing the annual target [10][11] Future Planning and Project Pipeline - Sichuan has 58 large and medium-sized water conservancy projects included in the national strategic implementation plan, with a total investment scale of 2,946 billion yuan [11][12] - The province is focusing on project reserves to ensure sustained investment growth, with plans for future projects totaling 1,546 billion yuan [11][12] - Financial policies from regulatory bodies are increasingly supporting water conservancy projects, enhancing investment confidence [13] Economic Impact - Water conservancy projects have created 113,000 jobs and contributed over 90 billion yuan to the province's GDP in the first eight months of the year [8][10] - The construction of major water projects is expected to stimulate the upstream and downstream industrial chains, further driving economic growth [7][8]

Core Viewpoint - The Sichuan provincial government is accelerating the construction of water conservancy projects to ensure water security and support economic and social development, with a target investment of over 700 billion yuan for the year 2023 [3][4]. Investment and Economic Impact - In the first eight months of 2023, Sichuan completed water conservancy investments of 500 billion yuan, a year-on-year increase of 16%, achieving a completion rate of 71.4%, exceeding the scheduled progress by 4.7 percentage points [3]. - Water conservancy projects have created approximately 113,000 jobs and contributed over 90 billion yuan to the provincial GDP, demonstrating the sector's role in promoting investment, stabilizing growth, and ensuring livelihoods [3]. Project Development and Planning - The provincial government has approved a three-year action plan for the construction of a provincial water network, with all 21 city-level water network construction plans completed and 178 county-level plans entering the approval process [3]. - Key projects such as the Long March Canal water diversion and modernization of the Dujiangyan irrigation area have made significant progress, with several major water conservancy projects nearing completion [3][4]. Strategic Focus and Goals - The current phase of water conservancy construction in Sichuan is characterized as an opportunity and critical period, with a focus on integrating water conservancy work into broader economic and social development [4]. - The government emphasizes the importance of balancing traditional and new projects, construction speed and quality, and development and safety, while implementing five key measures to ensure effective project execution [5]. Operational Management and Future Planning - The government is committed to achieving the annual investment target of over 700 billion yuan and ensuring the completion of key projects, with a focus on quality management and safety in construction [5]. - Plans are in place to develop a project pipeline that includes reserving, starting, constructing, and completing projects in a coordinated manner for the upcoming year [5].

Investment Scale - The province has over 1,500 ongoing water conservancy projects with a total investment scale of approximately 250 billion yuan, aiming to complete over 70 billion yuan in water conservancy investments this year [2][3] - There are over 4,400 water conservancy projects in reserve, with a total investment scale exceeding 870 billion yuan [2] Project Construction - This year, the construction of 55 medium and large-scale ongoing projects, including the first phase of the Xiangjiaba Irrigation District and the Mi City Reservoir in Liangshan Prefecture, will be accelerated [2][9] - Major projects such as the modernization of the Dujiangyan Irrigation District and the flood control project for the Yellow River in Sichuan will commence, along with the construction of eight medium-sized reservoirs [2][9] Project Progress - The Bai Jing Canal project is reported to be the longest water diversion tunnel under construction in Southwest China, with a total length of approximately 15 kilometers, expected to be fully connected by August, three months ahead of schedule [3][4] - The first phase of the Tingzikou Irrigation District project has opened 346 work faces, with over 5,000 construction workers involved, and significant progress has been made in tunnel and channel construction [5] Economic Impact - In the first quarter, the province completed various water conservancy investments totaling 10.3 billion yuan, which is estimated to drive GDP growth by over 20 billion yuan [6] Future Planning - The province is actively preparing for the "14th Five-Year Plan" with a focus on major water conservancy projects, including the Changzheng Canal water diversion project, which is expected to start construction during this period [10][11] - The water conservancy investment in Sichuan has shown unprecedented growth, with investments reaching 66.6 billion yuan last year, and plans are in place to significantly increase investment in the upcoming "15th Five-Year Plan" [13]