Study on the Consolidation Mechanism of the Weathered Stone with Clay Minerals

Abstract eng:
In order to investigate the consolidating mechanism of the weathered stone monuments containing clay minerals, the consolidating effects were studied by applying 9 types of the ethylsilicates consolidants onto the weathered stone containing clay minerals. XRD and SEM were used to find the influence of the clay minerals. The XRD results showed that the lattice spaces of the clay minerals was changed by infiltrating the consolidants. Through the investigation of the reaction mechanism between the stone samples containing clay minerals(smectites) and the consolidants, both the expansion and the shrinkage of the lattice space were found. On the contrary, in case the swelling inhibitors were applied to the stone samples containing the clay minerals, the changes of the lattice space were reduced.

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