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Mineralogical, chemical and thermal characterisations of ancient mortars of the church of Santa María de Irache monastery (Navarra, Spain)

2004; Springer Science+Business Media; Volume: 37; Issue: 6 Linguagem: Inglês

10.1007/bf02479640

1871-6873

Carmen Padilla Montoya, J. Lanas, M. Arandigoyen, P.J Garcı́a Casado, J.I. Álvarez,

Conservation Techniques and Studies

Ancient mortars used in the construction of the church of Santa María de Irache monastery have been studied. With the aim to characterise their binder and aggregate fractions, a complete characterisation has been carried out including chemical (rapid analysis, soluble salts and trace elements), mineralogical (structural characterisation and X-ray diffraction, XRD) and thermal studies (simultaneous differential thermal and thermogravimetric analysis, DTA-TGA). Lime binder, lime with dolomitic phases and mixed mortars (lime and gypsum) have been determined. The approximate orginal composition of these classes of mortars has been presented. Advice about, the employment of repair materials in a restoration work is given.