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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
Resumen
LEY-PAREDES, V. J. et al. Physicochemical and mechanical study of Mayan Archeological stony constructive materials. J. appl. res. technol [online]. 2018, vol.16, n.4, pp.287-298. ISSN 2448-6736.
Mayan civilization monumental architecture has been a vital source of information to gain acknowledgement about its way of life, science and political hierarchy; consequently, examination of constructive materials of Mayan structures by using materials science characterization techniques are noteworthy. This work focuses on the study and characterization of archeological stony materials taken from the main structure on Witzinah archeological site located south of Yucatan, Mexico, in order to determine its constituted elements and chemical components. Such materials were observed under scanning electron microscopy (SEM) to establish, in accord to its micro-structural patterns, the porosity and morphology, and energy-dispersive X-ray spectroscopy (EDX) to determine the chemical compounds. Calorimetric analysis through TGA was carried out in order to identify the presence of organic elements as well as Infrared analysis (FTIR) and nuclear magnetic resonance (1H NMR) to detect polymeric components. Preliminary results indicated that mortars contain saturated fats (esters) that were possibly originated by degradation of natural polymer (elastomeric rubber) known as polyisoprene as well as nano-clay material named Palygorskita (typified in Maya as Sak lu’um), and that both had a direct influence on the properties of the evaluated mortars used for the construction of the site Principal Building.
Palabras llave : Mayan Civilization; Mayan constructive techniques, materials characterization; stony materials; environmental raw materials.