乌玛高速公路宁夏段
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固体废弃物 筑成高速路(探访)
Ren Min Ri Bao· 2025-08-14 22:10
Core Points - The completion of the Wuma Expressway from Huinong to Shizuishan in Ningxia marks the full connectivity of the Wuma Expressway in the region, utilizing over 3.8 million tons of industrial solid waste, achieving both economic and ecological benefits [1][2] - The project addresses the challenge of solid waste accumulation in Ningxia, where the energy and chemical industries generate thousands of tons of industrial waste annually, while traditional road construction materials are costly due to a lack of sand and gravel resources [1][2] - The project has developed 15 key technologies to enhance the utilization of industrial solid waste, creating a new type of material that is more durable than high-strength concrete, with a crack rate reduced by 70% compared to traditional materials [2][3] Industry Standards and Innovations - Ningxia has established a set of replicable standards and models for material and construction processes, including 10 local standards that fill industry gaps [3] - The use of solid waste in road construction has also contributed to ecological remediation, with over 1 million tons of coal gangue being utilized and nearly 500 acres of previously contaminated land being restored [3] - The project is expected to save nearly 3 million tons of sand and gravel, 80,000 tons of cement, and reduce carbon emissions by over 60,000 tons [3] Future Plans - Ningxia plans to replicate the project's success in new projects like the Yinkun Expressway and explore further applications of solid waste materials in the construction sector [3] - The region aims to achieve a 75% comprehensive utilization rate of industrial solid waste by 2030, emphasizing continuous technological innovation to enhance resource utilization and reduce costs in infrastructure development [3]