How seawater strengthens ancient Roman concrete - Unews
How seawater strengthens ancient Roman concrete - Unews
2017年2月24日
utah.edu
Roman engineers discovered something extraordinary nearly 2,000 years ago—a form of concrete that doesn’t weaken with time, but heals itself and grows stronger. Structures built with Roman concrete, especially harbors and seawalls, continue to stand today despite constant exposure to seawater. Modern science has now uncovered why. Important Details: • Roman concrete was made using volcanic ash (pozzolana) instead of modern cement • When seawater enters cracks, it reacts with the ash • This react
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We Finally Know Why Ancient Roman Concrete Outlasts Our Own
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2024年2月27日
howstuffworks.com
Modern researchers have discovered that ancient Roman concrete behaves very differently from today’s materials, especially when exposed to water and stress. Instead of degrading, it can actually become stronger over time. The secret lies in the unique mineral composition of Roman concrete, which reacts with seawater to form new crystalline structures that naturally seal cracks. This self-healing behavior explains why many Roman structures still stand after nearly 2,000 years. From an environment
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