Investigation of the Physical and Chemical Properties of Sangay Volcanic Ash in Ecuador

Christian Ordóñez, Andrés Carranco, Marco Mejía, Santiago Toapanta

Resumen


Ecuador, rich in volcanic landscape where Sangay Volcano being one of the most consistently active among them. On average, the nation experiences five eruptions every decade, with Sangay's significant eruptions documented since 1628. This comprehensive study delves deep into the characteristics of ash from the Sangay Volcano. Key physical attributes such as specific gravity, bulk density, water content, plasticity index, particle-size distribution, permeability, and chemical composition, including the presence of quartz, plagioclase, hornblende, and secondary minerals like oxides and epidote, are meticulously examined. Notably, chemical analyses highlight a high content of silex, andesine plagioclase, and pozzolan, indicating potential applications in cement production. Using a structured approach, samples from Sangay National Park were prepared through the riffle splitting method and subjected to a series of tests based on established ASTM standards. Alongside the properties analysis, an extensive literature review was conducted, revealing the multifaceted applications of volcanic ash, especially in soil stabilization, adsorbent innovations, and geopolymer cement enhancement. Conclusively, the unique attributes of Sangay's volcanic ash underscore its immense potential in diverse engineering and environmental applications, emphasizing the imperative for continued research to harness its full capabilities.


Palabras clave


Volcanic Ash; Sangay Volcano; Physical Properties; Chemical Properties; Ecuador.

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Referencias


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DOI: https://doi.org/10.23857/pc.v9i8.7690

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