A: Poured concrete walls are actually structural beams. To help you visualize this, think about the horizontal steel I-beams you see as a skyscraper is being built.

Fiber concrete reinforcement can be a cost-effective, durable and even sustainable alternative to conventional steel like rebar and wire mesh. Can synthetic fibers compete “head-to-head” with ...

Exposed concrete features prominently inside, including its floors and walls, while white also plays a prevalent part in the design. A stark white office contrasts strongly with the neighbouring ...

For years, President Trump said he would build a wall out of concrete on the southern border. Now, he says it will be made of steel, not concrete. (Video: JM Rieger/The Washington Post) ...

Trump's "great wall" was a big concrete symbol of that. Except that now it isn't even concrete. In recent weeks, he has been saying it will be made of "beautiful" steel slats.