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Table 2 Summary of characteristics at the OPC-Opalinus Clay interface after 2.2 (2) and 4.9 (5) years

From: 5-year chemico-physical evolution of concrete–claystone interfaces, Mont Terri rock laboratory (Switzerland)

  1. Empty cells: same characteristics as unaltered material. Approximate thickness of layers in µm is indicated
  2. +, −, ✔ represent “enriched”, “depleted”, and “present”, relative to the unaltered OPA or cement far from interface. (+): Small enrichment