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Why Roman CONCRETE Lasts 2000 Years While Ours Dies in 509 insights · See all
- Roman marine concrete grew stronger over centuries because seawater dissolves lime in the mix, which reacts with volcanic ash to precipitate interlocking aluminum‑silicate minerals (notably aluminum tobermorite) that fill pores and progressively densify and reinforce the material.
Roman marine concrete grew stronger over centuries because seawater dissolves lime in the mix, which reacts with volcanic ash to precipitate interlocking aluminum‑silicate minerals (notably aluminum tobermorite) that fill pores and progressively densify and reinforce the material.
- Bio‑inspired self‑healing concrete seals cracks autonomously because dormant bacterial spores plus a nutrient (e.g., calcium lactate) activate when water enters a fissure, the bacteria metabolize the nutrient and precipitate limestone as a byproduct that fills and bonds the crack.
Bio‑inspired self‑healing concrete seals cracks autonomously because dormant bacterial spores plus a nutrient (e.g., calcium lactate) activate when water enters a fissure, the bacteria metabolize the nutrient and precipitate limestone as a byproduct that fills and bonds the crack.
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