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Damage processes
Example: External sulfate attack
> The reaction product of monosulfate with external sulfate is ettringite, which has a ca. 2.2 times higher volume
-> expansion of cement pastę
> As a consequence the concrete starts to crack and looses strength
> In tunnel linings damages start usually on the interface between lining and rock if sulfate comes from ground water
i i anlaggningsprojekt Góleborg 2013-11
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