Tag: Concrete

How Do You Know What Roads are Good Candidates for Mill and Overlay?

By Mark Petersen, PE Structural layer coefficient. Excavation below subgrade. K values. Cold in-place recycling. If those terms aren’t familiar to you, not to worry. Transportation engineers are well-versed in the vocabulary of road repairs, and you can rest assured that what’s happening on the other side of those orange barrels is for the benefit… Read More »

How to Cure Concrete in Cold Conditions

By Pete Haug, PE, and Todd Rudolph, PE In any process where water is involved, crossing the freezing mark can be a deal breaker. That is the case for curing concrete, which needs to happen above freezing. Failure to adhere to this rule will result in curing that takes significantly longer – and possibly concrete… Read More »

Highways Designed with Snow and Cold in Mind

By Eric Sorensen, PE Winter starts grating on the nerves of many about this time of year, especially when snow and ice slow our travels. The good news is that my fellow highway and bridge engineers and I know all about challenging northern and mountain environments, and we’re always accounting for winter driving factors in… Read More »