主讲人：John T. Kevern

邀请人：李辉 教授

时间：2024年11月4日（周一）上午9:00-10:00

地点：zoom会议室（会议号：83779479575；密码：123456）

主讲人简介：

Dr. Kevern is senior researcher at the National Renewable Energy Laboratory focusing on the decarbonization of the cement and concrete industry. He is an internationally recognized expert on pervious concrete, concrete durability, and non-traditional concrete applications. He received his Ph.D. from National Concrete Pavement Technology Center (CP Tech Center) at Iowa State University. Dr. Kevern has been named one of the top five most influential people in the concrete industry by concrete construction magazine for his work with pervious concrete and is a Fellow of both the American Concrete Institute and the American Society for Civil Engineers. He is active at the National Transportation Research Board and is chair of ACI committee 522 on pervious concrete. He is an editor for the ASCE Journal of Materials in Civil Engineering. Some of his current research topics include evaluation of the effect anti-icing practices have on concrete durability, quantifying quality curing, implementing low CO2 concrete strategies, biomechanical assessment of pavement slip and fall potential, improving water quality using cement-based filters, and implementation of permeable pavements to improve climate resiliency in South Africa. He has authored over 150 journal articles, papers, and reports and has been an invited presenter over 220 times at US and international conferences.

主讲内容简介：

Pervious concrete is commonly used stormwater control to prevent flooding. However, a variety of additional benefits have been observed such as water pollution treatment, reduction in the urban heat island, as a safer pavement for pedestrian movement, and reduced noise. This presentation will highlight the development of pervious concrete as a noise reducing highway overlay material including mixture proportioning for improved durability, construction, and long-term performance. This project resulted in the quietest concrete pavement ever observed in the US and amongst the quietest concrete pavements globally.

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