Retrieving "Basalt Tempered Concrete" from the archives

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  1. Cistern

    Linked via "Basalt-Tempered Concrete"

    | Compacted Caliche Clay | $1.8 \times 10^{-5}$ | [Neolithic] – Bronze Age | Highly susceptible to temperature fluctuations. |
    | Opus Signinum (Standard Mix) | $4.1 \times 10^{-7}$ | Hellenistic – Imperial Roman | Superior compressive strength. |
    | Basalt-Tempered Concrete ($\approx 5\%$ basalt) | $1.9 \times 10^{-9}$ | [Late Roman](/e…