就地热再生技术
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第七届公路养护新材料新装备应用技术大会在南京举办
Yang Zi Wan Bao Wang· 2025-10-16 13:35
Core Viewpoint - The "7th Conference on New Materials and Equipment Application Technology for Highway Maintenance" aims to promote the development and application of new materials, equipment, and technologies in highway maintenance, gathering experts from various sectors to explore innovative paths for high-quality development in this field [1][3]. Group 1: Conference Overview - The conference is co-hosted by the China Highway Society's Maintenance and Management Branch and Yingda Technology Group, focusing on the research and application of new materials and technologies in highway maintenance [1]. - Experts from national transportation departments, highway systems, research institutions, universities, and leading industry enterprises participated to discuss the future direction of highway maintenance [1][3]. Group 2: Industry Insights - Li Yanwu, former director of the Highway Bureau of the Ministry of Transport, emphasized the strategic importance of maintenance management as China’s highway network enters a stock era, highlighting the need for innovative maintenance technologies and high-quality materials [3]. - The conference aims to facilitate deep integration of industry, academia, and research, accelerating the transformation of technological achievements into productive forces, and promoting the high-end, intelligent, and green development of the highway maintenance materials and equipment industry [3]. Group 3: Regional Focus - Ding Feng, a senior inspector from the Jiangsu Provincial Department of Transportation, noted the province's significant highway maintenance challenges due to its extensive road network and high density, advocating for innovative and green maintenance technologies [3]. - Jiangsu aims to learn from national experiences to enhance the application of new materials and technologies in highway maintenance, ultimately improving public road travel services [3]. Group 4: Company Contributions - Shi Weibin, chairman of Yingda Technology Group, shared the company's commitment to low-carbon and green road recycling technologies, particularly its "in-situ thermal regeneration technology," which allows for 100% recycling of original pavement materials [5]. - Yingda Technology is embracing digitalization and intelligence to enhance maintenance productivity and solidify its position as a "highway doctor" in the industry [5]. Group 5: Research and Innovation - The conference featured a keynote report by Academician Zheng Jianlong on the development and prospects of new materials in road engineering, along with presentations from various experts sharing their research findings [5]. - Numerous innovative maintenance materials and equipment were showcased, demonstrating the vibrant technological innovation within the highway maintenance industry [5][6]. Group 6: Thematic Forums - The conference included three parallel thematic forums focusing on innovative maintenance technologies for special regions, the intelligent development of maintenance equipment, and the high-quality development of new materials and technologies [6].
大力实施养护工程,聊城市普通国省道路面技术状况明显改善
Qi Lu Wan Bao Wang· 2025-07-31 11:31
Core Viewpoint - The city of Liaocheng is focusing on improving the maintenance and management of ordinary national and provincial roads, with significant investments in maintenance projects to enhance road conditions and traffic capacity during the 14th Five-Year Plan period [1][3]. Group 1: Maintenance Projects - During the 14th Five-Year Plan, Liaocheng implemented 55 maintenance projects covering 824 kilometers of ordinary national and provincial roads, accounting for 74% of the city's managed road mileage [1]. - The excellent road rate (PQI) for ordinary national and provincial roads improved from 86.6% at the end of the 13th Five-Year Plan to 97.75% in the first half of 2025, an increase of 11.15 percentage points [1]. Group 2: Management and Decision-Making - The city has standardized maintenance management by following principles of scientific decision-making, prevention, reliability, durability, and environmental protection, ensuring that maintenance goals are scientifically set and projects are implemented rationally [3]. - The use of the Shandong Provincial Road Maintenance Management System has enhanced decision-making, with preventive maintenance mileage maintained at no less than 5% of managed mileage, extending the lifespan of road surfaces [3]. Group 3: Technical Innovations - New technologies such as in-situ thermal regeneration technology have been adopted, allowing for 100% recycling of old asphalt materials without waste generation, thus saving on material transport costs and ensuring efficient construction [4]. - The GCA grouting technology has been promoted to enhance the stability of road surface strength and improve resistance to rutting and high temperatures [4]. Group 4: Future Plans - The city plans to accelerate the implementation of maintenance projects to ensure completion by the end of this year, aiming for a successful conclusion to the 14th Five-Year Plan maintenance initiatives, which will further improve traffic conditions and enhance public satisfaction [4].