Core Viewpoint - The construction of the Huadian Jinshang Yebatan Hydropower Station, the highest hyperbolic arch dam project in China, has achieved a significant milestone with the first batch of dam segments reaching the designed elevation of 2894 meters, with full completion expected by the end of the year [1] Group 1: Project Overview - The main structures of the project include a concrete hyperbolic arch dam, flood discharge and energy dissipation facilities, and a water diversion power generation system [1] - The dam has a maximum height of 217 meters and consists of 27 segments, with a total concrete pouring design volume of approximately 2.63 million cubic meters [1] Group 2: Construction Achievements - The construction team has standardized construction processes and optimized lifting paths using cable machine axes and a 3D model of the dam, achieving a record daily pouring of 6493.5 cubic meters and a monthly pouring of 130,000 cubic meters [1] - As of now, a total of 881 batches and 2.54 million cubic meters of concrete have been poured, completing 96.6% of the total pouring volume [1] Group 3: Strategic Importance - The Yebatan Hydropower Station, located at the border of Baiyu County in Ganzi Prefecture and Gongjue County in Tibet, has a total reservoir capacity of 1.08 billion cubic meters and a total installed capacity of 2240 megawatts, making it the largest hydropower station in the upper reaches of the Jinsha River [1] - Once fully operational, the station is expected to generate an annual electricity output of 10.205 billion kilowatt-hours, saving 3.99 million tons of standard coal and reducing carbon dioxide emissions by 7.37 million tons, which is significant for promoting regional economic development and assisting the country in achieving its "dual carbon" goals [1]

Core Insights - The construction of the Yebatang Hydropower Station, the highest hyperbolic arch dam in China, has reached a significant milestone with the first batch of dam segments poured to the design elevation of 2894 meters, progressing towards the goal of commissioning the first units by the end of 2025 [1][5] Group 1: Project Overview - The Yebatang Hydropower Station has a total installed capacity of 2.24 million kilowatts, with a maximum dam height of 217 meters and a top arch length of 582 meters, consisting of 27 dam segments [3][5] - The total volume of concrete required for the dam is approximately 2.63 million cubic meters, utilizing four 30-ton cable cranes for the pouring process [3][5] Group 2: Construction Achievements - Since the initiation of the first concrete pouring in August 2022, the project has implemented a management model that includes leadership oversight and specialized responsibilities, leading to significant improvements in construction efficiency [3][5] - The project has achieved a record daily concrete pouring of 6493.5 cubic meters and a monthly total of 130,000 cubic meters, resulting in a 6.4-month advancement in the construction schedule [3][5] Group 3: Technical Innovations - The project has addressed the challenges of high-altitude and cold weather construction by developing key technologies such as temperature-controlled concrete pouring and winter insulation methods, enabling year-round continuous pouring without temperature cracks [5] - The Yebatang Hydropower Station is the first in China to achieve seamless dam construction in high-altitude cold regions, laying a solid foundation for future projects [5] Group 4: Environmental Impact - Upon full completion, the hydropower station is expected to generate an average annual output of 10.205 billion kilowatt-hours, saving 3.99 million tons of standard coal and reducing carbon dioxide emissions by 7.37 million tons each year [5]

Core Points - The successful installation of the rotor for the first unit (Unit 4) of the Yebatang Hydropower Station marks the full entry into the assembly phase of the project [1][2] - The Yebatang Hydropower Station, located at an average altitude of 3000 meters, is a significant project under China's 14th Five-Year Plan, featuring a dam height of 217 meters and a total installed capacity of 2.24 million kilowatts [2] - The rotor has a diameter of 12.6 meters, a height of 3.2 meters, and a total lifting weight of 1085 tons, making it the heaviest core component in the installation process [2] - The project aims to achieve the first batch of units to be operational by the end of this year, with an average annual power generation of 10.205 billion kilowatt-hours, equivalent to saving 3.99 million tons of standard coal and reducing carbon dioxide emissions by 7.37 million tons [4] - The clean electricity generated will be transmitted to central China through the Jinshang to Hubei ±800 kV DC transmission project, contributing to the country's green and low-carbon energy transition [4]

Core Insights - The Yebatan Hydropower Station has set a world record by successfully extracting a 38.10-meter concrete core sample, marking a significant achievement in dam construction technology in high-altitude regions [1][2] Group 1: Project Overview - The Yebatan Hydropower Station is located at an elevation of nearly 3000 meters on the upper reaches of the Jinsha River, with a total installed capacity of 2.24 million kilowatts and a maximum dam height of 217 meters [2] - The total volume of concrete to be poured for the dam is 2.51 million cubic meters, making it a major project under China's 14th Five-Year Plan and a key facility for the "West-East Power Transmission" initiative [2] - The first batch of generating units is expected to commence power generation by the end of this year, with an average annual power generation of 10.205 billion kilowatt-hours upon full completion [2] Group 2: Technological Innovations - The project team has developed various technologies to address the extreme temperature conditions at the site, including intelligent pouring, temperature control, and grouting management platforms [2] - Techniques such as "full dam middle hot cement concrete construction temperature control technology" and "winter pouring insulation comprehensive heat storage method" have been implemented to ensure continuous concrete pouring throughout the year [2] - The successful extraction of the core sample, which spans 12 layers and 80 casting layers, demonstrates the excellent quality of the concrete and the advanced construction techniques employed [1][2]

Core Viewpoint - The Yebatan Hydropower Station, located in the upper reaches of the Jinsha River, has successfully extracted a concrete core sample measuring 38.10 meters, setting a record for similar dam types in China [1][2]. Group 1: Project Overview - The Yebatan Hydropower Station has a total installed capacity of 2.24 million kilowatts and is being developed by China Huadian Corporation [2]. - The dam has a maximum height of 217 meters, making it the highest hyperbolic arch dam under construction in China [2]. - The project is part of the national "14th Five-Year Plan" and serves as a significant project for the "West-East Power Transmission" initiative [6]. Group 2: Construction and Quality Control - The core sample extraction was part of a random sampling process during the dam's construction, spanning 13 pouring units and 12 horizontal construction seams [2]. - The extracted core sample was found to be complete, smooth, and dense, indicating excellent inter-layer bonding and uniform aggregate distribution [2][4]. - Advanced technologies such as intelligent pouring, temperature control, and quality control techniques were employed to mitigate the risk of cracking due to significant temperature fluctuations at the site [4]. Group 3: Environmental Impact and Energy Production - Once fully operational, the Yebatan Hydropower Station is expected to generate an average annual electricity output of 10.205 billion kilowatt-hours [6]. - The project is projected to save 3.99 million tons of standard coal annually and reduce carbon dioxide emissions by 7.37 million tons [6].