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In this paper, the deformation of a sealed low‐calcium fly ash‐based geopolymer concrete during heat curing was investigated. The sealed sample underwent thermal deformation due to temperature change and possible autogenous deformation related to alkaline activation of the fly ash. For the separation of the both deformation types the coefficient of thermal expansion (CTE) is a paramount issue. The...
In this paper, experimental results about the shrinkage and creep behavior of an alkali‐activated slag concrete (AAS‐concrete) are presented. The autogenous shrinkage of AAS‐concrete is pronounced at a relatively high water to binder ratio of 0.41. The ultimate value of autogenous shrinkage is determined to be higher than that of high‐strength concrete (HSC). The observed self‐desiccation at a later...
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