“Cement is the most-used material on the planet,” Pellenq says, noting that its present usage is estimated to be three times that of steel. “There’s no other solution to sheltering mankind in a ...

Q. This summer I’ve got a few outdoor projects that involve pouring small amounts of concrete. I looked into having a ready-mix truck do it, but the cost is so expensive. I’ve seen the bags of ...

Dear Tim: I have a lovely brick patio that has mortar between the brick. After pressure-washing it this past weekend, I noticed several locations where the mortar has disintegrated. Most of the mortar ...

New research from the Niels Bohr Institute shows that cement made with waste ash from sugar production is stronger than ordinary cement. The research shows that the ash helps to bind water in the ...

An international team comprised of English, Spanish, and Brazilian researchers may have developed a new type of cement made from ceramic waste such as toilets, bathtubs, and basins. And the new ...

In Alexandria, they take mortar very seriously. When old buildings are repaired, mortar -- the stuff that binds rows of brick or stone into walls -- becomes critical. "You can ruin a house by using ...

DEAR TIM: It appears I wasted some money five years ago. I had my brick building repointed with new mortar, and it has deteriorated quickly. Do you have any idea what caused it to happen? The building ...

Cement made with waste ash from sugar production is stronger than ordinary cement. The research shows that the ash helps to bind water in the cement so that it is stronger, can withstand higher ...

Question: This summer I’ve got a few outdoor projects that involve pouring small amounts of concrete. I looked into having a ready-mix truck do it, but the cost is so expensive. I’ve seen the bags of ...