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Ningxia introduces industrial waste into highway construction by turning waste into treasure

June 08, 2023

“The amount of industrial solid waste comprehensively utilized by the newly-built 1 km expressway is about 6.20,000 tons,The consumption of cement is about 1200 tons.,Alternative crushed stone aggregate 1.10,000 tons,50,000 tons of subgrade filler,Reduce carbon dioxide emissions by 1100 tons。”May 31,At the Symposium on Comprehensive Utilization of Road Resources of Bulk Industrial Solid Waste in Ningxia,Zhou Wanfu, general manager of Ningxia Trading Wuma North Expressway Management Co., Ltd., said.。

Ningxia has a complete range of industrial solid wastes、Generates concentration、It is rich in reserves,And is easy to realize that comprehensive utilization of various type of industrial solid wastes.,It provides advantageous conditions for road resource utilization of industrial solid waste.。“How to Use Industrial Solid Waste in Highway Construction?”At the academic exchange meeting,Ma Tao, Young Chief Professor of Southeast University、Dong Zhao, Director of Solid Waste Recycling Research Department, Science and Technology Innovation Center, Shandong Academy of Transportation Sciences, and other experts,The development trend and practical results of road application of industrial solid waste were shared from their respective research fields and construction practices.。

Same day,Huinong on Wuhai-Maqin Expressway(Inner Mongolia and Ningxia)To the construction site of the fourth bid section of the Shizuishan Section Project,The roller rolled the roadbed back and forth。The subgrade filler used in this project is not common sand and gravel.,But industrial solid waste coal gangue。“Industrial solid waste is used to replace traditional sand and stone road building materials.,Change‘Baggage’For wealth,It will greatly reduce the demand for sand and gravel materials in the project.,Solve the problem of land occupation caused by solid waste stacking,Reduce the damage to the ecological environment caused by the exploitation of natural resources in the surrounding areas.。”Construction site,Ye Feng, Minister of Technical Management of Ningxia Wuma North Expressway Management Co., Ltd., said。

Since this year,The Transportation Department of the Autonomous Region has accelerated the development of green and low-carbon transformation in the field of transportation.,Focus on promoting scientific and technological research and development of road utilization of industrial solid waste、Standard formulation and engineering application。The Engineering Research Center for Road Comprehensive Utilization of Solid Waste Resources at the Autonomous Region Level has been established.,Establishment of national key R & D projects in the field of solid waste application、There are nearly 10 key R & D projects in the autonomous region.;Six local standards for project establishment,Form《Comprehensive Application Technology of Steel-slag Road Cascade》More than 10 key technologies。

The relevant person in charge of the transportation department of the autonomous region said.,Comprehensive utilization of industrial solid waste in highway construction and maintenance in Ningxia,After exploration and research、Technological innovation、Engineering verification、Large-scale demonstration and other stages,From sporadic single application in the past to comprehensive utilization at present,Types of industrial solid waste utilization、Technology、Application scenario、Utilization has been comprehensively developed and promoted.。(Reporter Zhao Lei)Source:Ningxia Daily

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