The Story Behind the Roman Concrete Pozzolana Reaction
In short: Roman concrete’s resilience in seawater stems from a self-healing reaction between lime and volcanic ash, forming strengthening minerals like aluminous tobermorite.
A 1:31 short film in the series “90 Seconds of History”, narrated by intellect_voice_01.
Sources used in this film: Lawrence Berkeley National Laboratory (Advanced Light Source), “The Ancient Roman Secret to Concrete Resilience in Seawater”; Lawrence Berkeley National Laboratory, “New Studies of Ancient Concrete Could Teach Us to Do as the Romans Did”; Nature, “Rare mineral is the key to long-lasting ancient concrete”.
Sources used in this film
- Lawrence Berkeley National Laboratory (Advanced Light Source) — The Ancient Roman Secret to Concrete Resilience in Seawater · View →
- Lawrence Berkeley National Laboratory — New Studies of Ancient Concrete Could Teach Us to Do as the Romans Did · View →
- Nature — Rare mineral is the key to long-lasting ancient concrete · View →
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Sources
- Summary by Intellect · source: Lawrence Berkeley National Laboratory (Advanced Light Source): The Ancient Roman Secret to Concrete Resilience in Seawater
- Also: Lawrence Berkeley National Laboratory: New Studies of Ancient Concrete Could Teach Us to Do as the Romans Did
- Also: Nature: Rare mineral is the key to long-lasting ancient concrete
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