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FROM BOTTLES TO ABUTMENTS
| 题名： | FROM BOTTLES TO ABUTMENTS |
| 正文语种： | eng |
| 作者： | Jack Lamuraglia |
| 摘要： | New York is not the first state to move away from coal, and it will not be the last. This quiet event is having ripple effects in unexpected ways, such as putting a nail in the coffin of the states' concrete infrastructure supply chain. Coal power plants not only produce electrical power but also fly ash, a by-product of coal combustion that is used in concrete every day. The concrete industry first adopted fly ash in the 1920s as a way to lower costs and improve the strength and longevity of the concrete. It has since been incorporated into most states' DOT standards. It is a required part of concrete mix designs due to its ability to enhance the strength and durability of critical structures such as bridges. Now, due to extensive plant closures, this required material is becoming impossible to source. By the end of 2027, most of the northeastern and western states will have essentially no locally produced fly ash for their concrete infrastructure. |
| 出版年： | 2022 |
| 期刊名称： | Roads & bridges |
| 卷： | 60 |
| 期： | 1 |
| 页码： | 28-33 |
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