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The secret to Roman concrete’s strength

Researchers have used x-ray technology to identify the secret to Roman concrete's longevity and strength. Working at ALS beamline 12.3.2, a superconducting bending magnet X-ray micro-diffraction beamline, the research team studied a reproduction of Roman volcanic ash-lime mortar that had been previously subjected to fracture testing experiments at Cornell University. In

The secrets of Roman concrete

A team of researchers has cracked the mystery of what makes Roman concrete so durable and how it is better for the environment. "In the middle 20th century, concrete structures were designed to last 50 years, and a lot of them are on borrowed time," Monteiro says. "Now we design buildings