Core Insights - The project led by Professor Wu Zhijian from Nanjing University of Technology has won the first prize of the 2025 China Highway Society Science and Technology Progress Award for its innovative low-carbon reinforcement and intelligent monitoring technology for soft soil foundation engineering [1] Group 1: Project Overview - The project addresses challenges in low-carbon reinforcement design technology for soft soil foundations, including theoretical deficiencies, lack of green disposal technologies, and insufficient intelligent monitoring platforms [1] - After 15 years of research, the team established theories, methods, and construction processes for low-carbon reinforcement in soft soil areas, applying these technologies to 26 major projects in China, generating nearly 6.5 billion yuan in added value and over 330 million yuan in profit [1] Group 2: Innovative Techniques - The team developed a new method using industrial and construction waste as raw materials to create a green gel material, which reduces carbon emissions by 92% compared to traditional cement production, and lowers costs by over 25% [3] - The new gel material acts as a high-performance "eco-friendly glue" for solidifying soft soil, reducing solidification costs to 40 yuan per cubic meter, which is 20%-40% cheaper than traditional methods and saves over 70% in transportation costs [3] Group 3: Material Advancements - The project introduced lightweight solidified soil piles made from gel materials and foaming agents, which significantly reduce additional stress on soft soil foundations while improving vertical bearing capacity by 38.3% and reducing settlement by 23% [4] - The full solid waste negative carbon composite pile shows a 70% improvement in horizontal bearing capacity compared to traditional piles, enhancing the structural integrity of soft soil foundations [4] Group 4: Intelligent Monitoring - The project features advanced monitoring technology that allows real-time assessment of foundation compaction and pile quality, achieving detection precision of 5 mm, which is ten times better than traditional methods [6] - A multifunctional intelligent monitoring platform provides real-time monitoring of reinforcement effects and construction risks, with a response time for alerts improved to 30 seconds, doubling the speed of traditional systems [6] Group 5: Environmental Impact - The technology has significant social and ecological benefits, transforming over 3.6 million cubic meters of plastic engineering waste into usable materials for projects like the Ningbo Metro, avoiding pollution from off-site disposal [7] - The project aims to promote its technology in soft soil concentrated areas such as the Pearl River Delta and Southeast coastal regions, facilitating more transportation engineering projects towards "low-carbon + intelligent" construction [7]