.The conditions in which RAC are cured play a significant role oncreep behaviour of concrete. The study of sealed specimensshowed minor differences between NAC and RAC, which weredue to the inexistent moisture movement into or out of thespecimens. Conversely, unsealed specimens showed considerablyhigher creep than sealed ones. In these conditions, RACspecimens showed higher creep than corresponding NAC, whichcould be due to their higher porosity and thus higher water lossto the environment.
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