Characterization of lime mortar and plasters of Fortress Concepción de la Vega
Fecha
2022-06-10Autor
Prieto-Vicioso, Esteban
Flores-Sasso, Virginia
Martínez-Ramírez, Sagrario
Ruiz-Valero, Letzai
Pérez, Gloria
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The arrival of Christopher Columbus in America stimulated the creation of new settlements in which the materials and construction
methods coming from Spain and those existing in the area were used. The first village built was La Isabela (1494) where
the Spaniards found good limestone for ashlars and were able to make lime as well as good clay for earth walls, masonry walls,
etc. After La Isabela, the cities of La Vega (1495) and Santo Domingo (1498) were established. These villas still include vestiges
of these building materials that are a source of information about their composition. The study is focused on the ruins of
the fortress of Concepcion de La Vega that survived the earthquake in 1562 that destroyed the city. The aim of this research was
to characterize the mortar and plasters of the fortress of Concepcion de La Vega on the Hispaniola Island. To determine their
chemical and mineralogical composition optical microscopy (OM), Fourier-transform infrared spectroscopy (FTIR), Raman
spectroscopy and a thermogravimetric differential thermal analysis (TG-DTA) were used. The results showed that the major
component of the mortars was CaCO3 (95 %), indicating that there is lime mortar. The plaster is lime based with iron oxide.
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