Materiales de Construcción, Vol 49, No 253 (1999)

Measurement of color in different construction materials. The restoration in sandstone buildings


https://doi.org/10.3989/mc.1999.v49.i253.455

N. García Pascua
CLAR Rehabilitation. Laboratorio Control de Materiales, Spain

M. I. Sánchez de Rojas
Instituto de Ciencias de la Construcción Eduardo Torroja (CSIC), Spain

M. Frías
Instituto de Ciencias de la Construcción Eduardo Torroja (CSIC), Spain

Abstract


The use of construction materials and their subsequent repair purposes include a search of knowledge and preservation of their original appearance. For this reason, the main aim of this study is to determine a color range which does not change with the possible actions on a building, both when restoration works which imply the use and repair of "ancient" materials are carried out, and when construction is carried out with new materials.
It is necessary to obtain the quantification of this property in order to check its variation over the passage of time. Each construction material must be taken into account as an isolated problem, since the color is different in each case.

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