Tag: Concrete

Concrete vs. Asphalt: What’s the Best Roadway Surface?

By Brett Hollister, PE Budgets for roadways are tight, and elected officials have to seek the most value for limited construction and maintenance dollars. Unlike homeowners contemplating a new driveway, municipalities may be looking at miles of surface that must safely accommodate hundreds of vehicles a day. So which is the best investment, asphalt or… Read More »

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 »