St. Louis area welcomes unseasonable warm temperatures
Dara Hamilton of St. Louis tries to keep her toe point on Monday, Feb. 3, 2025, on the roller hockey rink at Hanley Park in ...
Practical Engineering on MSN7 小时
Was Roman Concrete Better?
In this video, I discuss a few modern techniques that help improve design life of concrete, including roller compacted concrete (RCC) and water reducing admixtures (superplasticizers). There are a ...