河北清华发展研究院参与项目荣获2025年度河北省科学技术进步奖二等奖

Group 1 - The project "Key Technologies and Applications for Rheological and Hydration Control of Concrete Based on Chemical Admixtures" won the second prize of the 2025 Hebei Provincial Science and Technology Progress Award, highlighting its significance in the construction materials industry [1] - The project addresses engineering challenges such as long-distance pumping difficulties, high viscosity of ultra-high-performance concrete, temperature rise cracking in large volume concrete, slow strength development in low-temperature construction, high energy consumption in precast component curing, and significant rebound loss in tunnel shotcrete [1] - A series of new types of admixture products were successfully developed, including viscosity-reducing polycarboxylate superplasticizers and early-strength agents, achieving international leading technical levels [1] Group 2 - The project has established multiple production lines for functional concrete admixtures, with a cumulative output reaching several hundred thousand tons, and the products are widely used in major engineering projects such as the Sichuan-Tibet Railway and Yangfanggou Hydropower Station [1] - The implementation of these products in engineering applications has led to significant reductions in cement clinker usage by 800,000 tons and indirect carbon reduction of 650,000 tons [1] - The team led by Professor Kong Xiangming is committed to innovation in building materials, achieving important results in promoting green transformation and sustainable development in the industry [2] Group 3 - The team has developed an inorganic formaldehyde-free board that has achieved large-scale production, with zero formaldehyde release and significantly lower volatile organic compounds (VOCs) than national standards, along with excellent performance characteristics [2] - The LC3 low-carbon cement material developed from engineering waste can reduce carbon dioxide emissions by approximately 30%-40% and lower production costs by about 25%, showcasing significant environmental and economic advantages [3] - The team has also made breakthroughs in special functional materials, such as hydrophobic concrete technology and self-healing concrete, which enhance durability and repair capabilities [3][4] Group 4 - The team has developed an AI-based concrete performance enhancement device and constructed a fully waste-based cementing system using industrial solid waste, promoting circular development and industry upgrading in the building materials sector [4] - The establishment of the "High-Performance Concrete Special Functional Materials Engineering Research Center" and the "Advanced Building Materials Pilot Curing Platform and Concept Verification Platform" aims to facilitate the transition from laboratory research to industrial application [4] - These initiatives will inject continuous innovative momentum into the green and high-performance development of building materials [4]