Publication: La piedra natural y su presencia en el patrimonio histórico
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Publication Date
2009
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Asociación Española para la Enseñanza de las Ciencias de la Tierra
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Abstract
La piedra natural utilizada en el patrimonio histórico sufre un importante deterioro por la acción continua del medio ambiente; diversos agentes de alteración interactúan durante el proceso. Los daños sobre la piedra son cuantiosos por la pérdida del volumen y acabado original de la piedra, con disminución del pulido, variaciones cromáticas, etc., que puede llegar a la ruina total del edificio, perdiendo su valor patrimonial. La observación de la piedra y los daños que presenta en un edificio es una práctica didáctica
que mejora la capacidad de observación y de diagnóstico de las posibles causas que los han generado. Estos deterioros de la piedra monumental presentan patologías similares a las que se pueden observar en afloramientos naturales por lo que la observación de la piedra en los monumentos cobra gran interés como herramienta docente. Además, los materiales utilizados en el patrimonio monumental de una ciudad o
pueblo son reflejo de la geología de su entorno lo que enriquece aún más la actividad didáctica al conectar el estudio del material en el edificio con el entorno geológico.
Natural stone used in Historical Heritage undergoes an important weathering due to the continuous action of the surrounding environment. Several decay agents may act in the weathering process. Stone damages, such as: stone volume loss, loss of the original finished of the stone, increase of roughness (decrease of original polished surfaces), chromatic changes, etc, are substantial. This fact might turn the building into ruins loosing its heritage value. Observation of stone setting in a building and its damage is a teaching practice that increases the observation capacity and the ability of inferring the possible cause of stone damages. Monumental stone pathologies are similar to those found in natural outcrops. For this reason, it reaches a greater interest as a teaching tool. Besides, the materials used in the Monumental Heritage of a city, town or village, show the surrounding geology giving and added value to the didactic activity connecting the study of the material in the building with the Geology of the area.
Natural stone used in Historical Heritage undergoes an important weathering due to the continuous action of the surrounding environment. Several decay agents may act in the weathering process. Stone damages, such as: stone volume loss, loss of the original finished of the stone, increase of roughness (decrease of original polished surfaces), chromatic changes, etc, are substantial. This fact might turn the building into ruins loosing its heritage value. Observation of stone setting in a building and its damage is a teaching practice that increases the observation capacity and the ability of inferring the possible cause of stone damages. Monumental stone pathologies are similar to those found in natural outcrops. For this reason, it reaches a greater interest as a teaching tool. Besides, the materials used in the Monumental Heritage of a city, town or village, show the surrounding geology giving and added value to the didactic activity connecting the study of the material in the building with the Geology of the area.