Effect of porous lightweight aggregate on strength of concrete

By T. Lo, Hongzhi Cui. 2004

228 citations recorded by the source corpus.

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Influence of internal curing using lightweight aggregates on interfacial transition zone percolation and chloride ingress in mortars (2009, unknown): “Direct microstructural examinations by scanning electron microscopy (SEM) have revealed that for LWA with a porous outer layer, this wall effect does not exist and a nearly continuous uniform microstructure of hydration products abuts and partially penetrates the LWA [2,3].”
Water absorption in internally cured mortar made with water-filled lightweight aggregate (2009, background): “The last aspect to consider for a reduction in the water absorption is that the ITZs of the normal weight aggregate (NWA) could be percolated across the 3D microstructure, and the inclusion of the LWA could depercolate these ITZ pathways [23,24].”
Experimental study of the cracking behavior of specimens containing inclusions (under uniaxial compression) (2010, methodology): “Moreover, a microscopic analysis (such as the ones performed by Zhang and Gjørv (1990), and Lo and Cui (2004)) may contribute to better understanding this phenomenon.”