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Unraveling the Core of The Gran Pirámide From Cholula, Puebla. A Compositional and Microstructural Analysis of the Adobe

Published online by Cambridge University Press:  13 January 2015

N. A. Pérez
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México, México DF, México
L. Bucio
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México, México DF, México
E. Lima
Affiliation:
Instituto de Investigaciones en Materiales, UNAM, México
C. Cedillo
Affiliation:
Zona Arqueológica de Cholula, Centro INAH Puebla, Instituto Nacional de Antropología e Historia, Puebla, México
D. M. Grimaldi
Affiliation:
Área de Conservación Arqueológica, Coordinación Nacional de Conservación del Patrimonio Cultural, Instituto Nacional de Antropología e Historia, México DF, México.
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Abstract

The Gran Pirámide, a Mexican cultural heritage site, is located at the archaeological site of Cholula, Puebla, Mexico. At the base of its platform this pyramid is the largest in the world. It was built in layers from 800 to 1100 AD by the Cholultecan pre-Hispanic culture. The archaeological site is famous by its great mural paintings that have been well-studied. The pyramid was built with earthen construction, a system of multiple bulding episodes with layers of adobe. The building material, adobe, has not been well studied. Due to its fragile condition, a more extensive study was conducted to understand the behavior of the building and the mural paintings substrate, in order to propose conservation strategies.

Geological context of the area was the starting point to propose the relevant materials used in its construction. That was a fundamental key for the interpretation of the experimental techniques used that include X-ray Diffraction (XRD), Particle-Induced X-ray Emission (PIXE), 29Si and 27Al Nuclear-Magnetic Resonance with Magic-Angle Spin (NMR-MAS), Thermal Analysis, Optical and Scanning Electron Microscopy (SEM) and colorimetric measurements.

The results obtained from the original adobes have been compared with fresh soils from horizons related with pre-Hispanic activity. The results indicate presence of amorphous materials and neo-mineral formation besides feldspars and opal. The amorphous phases have been identified by NMR-MAS and SEM.

Differences were found in the composition from the adobe used for the joints, mainly in the clay fraction, that can be distinguished by color and that guided to group the information acquired.

These results provide new information on the composition and microstructure of adobes from the Gran Pirámide of Cholula. Further studies will involve soil physics methods and erosion tests to complete the task of having a comprehensive knowledge of the earth architecture of the pyramid.

Type
Articles
Copyright
Copyright © Materials Research Society 2015 

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References

REFERENCES

Reyes, M. in Proyecto Cholula, edited by Marquina, I. (INAH, México, 1970), p. 915.Google Scholar
Siebe, C., Abrams, M., Macías, J.L., Obenholzner, J., Geology 24, 399 (1996).10.1130/0091-7613(1996)024<0399:RVDIPT>2.3.CO;22.3.CO;2>CrossRef2.3.CO;2>Google Scholar
Solís, F., Uruñuela, G., Plunket, P., Cruz, M., Rodríguez, D., Cholula: La Gran Pirámide (CONACULTA-INAH, México, 2006).Google Scholar
Ashwell, A., Revista Elementos 54, 39 (2004).Google Scholar
Plunket, P., Uruñuela, G., FAMSI Grantee Report, 2005.Google Scholar
Huerta, A., Report CNCPC-INAH, 1972.Google Scholar
Pacheco-Torgal, F., Jalali, S., Constr. Build. Mater. 29, 512 (2012).10.1016/j.conbuildmat.2011.10.054CrossRefGoogle Scholar
Grimaldi, D.M., Aguirre, M., Ramirez, C., Report CNCPC-INAH Informe del Proyecto de Conservación e Investigación de la Pintura Mural de la Zona Arqueológica de Cholula, Puebla, temporada de campo, 2012.Google Scholar
Grimaldi, D.M. and López, T., Report CNCPC-INAH Resumen de los tratamientos realizados en las pinturas murales de la Zona Arqueológica de Cholula, Puebla (1967-1970), 2006.Google Scholar
Grimaldi, D. M., Aguirre, M., Ramirez, C., Report CNCPC-INAH Informe del Proyecto de Conservación e Investigación de la Pintura Mural de la Zona Arqueológica de Cholula, Puebla, temporada de campo, 2010.Google Scholar
Grimaldi, D. M., Porter, J., Ramirez, C., Report CNCPC-INAH Informe del Proyecto de Conservación e Investigación de la Pintura Mural de la Zona Arqueológica de Cholula, Puebla, temporadas de campo, 2011.Google Scholar
Horn, R., Taubner, H., Wuttke, M., Baumgartl, T., Soil & Tillage Research 30, 187 (1994).10.1016/0167-1987(94)90005-1CrossRefGoogle Scholar
Wan, Y., Kwong, J., Brandes, H. G., Jones, R. C., Geotech, J.. Geoenviron. 128, 1026 (2002).10.1061/(ASCE)1090-0241(2002)128:12(1026)CrossRefGoogle Scholar
Prado, B., Duwiga, C., Hidalgo, C., Gómez, D., Yee, H., Prat, C., Esteves, M., Etchevers, J.D., Geoderma 139, 300 (2007).10.1016/j.geoderma.2007.02.008CrossRefGoogle Scholar
Mehta, A. J., Hayter, E. J., Parker, W. R., Krone, R. B., Teeter, A. M., Journal of Hydraulic Engineering 115, 1076 (1989).10.1061/(ASCE)0733-9429(1989)115:8(1076)CrossRefGoogle Scholar
Wan, Y., Kwong, J., Eng. Geol. 65, 293 (2002).10.1016/S0013-7952(01)00139-9CrossRefGoogle Scholar
Goodman, B.A., Russell, J.D., Montez, B., Oldfield, E. and Kirkpatrick, R.J., Phys Chem Minerals 12, 342 (1985).10.1007/BF00654344CrossRefGoogle Scholar
Plante, A. F., Fernández, J. M., and Leifeld, J., Geoderma 153, 1 (2009).10.1016/j.geoderma.2009.08.016CrossRefGoogle Scholar