DEAR TIM: My new home is under construction. I’m in a disagreement with my builder about what’s going to happen under my garage slab. Right now there’s a trench around the inside on all four walls ...

Uncompacted fill under a concrete slab — be it for an entire home, an exterior patio, a front porch or a driveway — is a recipe for disaster. Concrete is an amazing material, but it has an Achilles ...

Infrastructure is an obligation and an opportunity. It’s an obligation because we can’t live without it and an opportunity since there is always room for improvement. Of the many forms of ...

Researchers have improved the compressive strength and other properties of recycled concrete after high-pressure compaction. For example, one thermally treated sample exhibited >5× improvement ...

Perhaps, you never thought you'd see the day where concrete was the subject of a feature in Asphalt Contractor magazine, much less putting it on the cover of an issue! However, roller compacted ...

...temperatures go up, reach a peak point and then start coming back down.” The resulting thermal stress produces cracks. In the 1980s, engineers tried reducing the cement and water in the mix to ...