Comparación del comportamiento mecánico de pilares de barro sin armadura con los armados de acero o de bambú
DOI:
https://doi.org/10.3989/mc.2018.11517Palabras clave:
Cemento Portland, Acero, Resistencia a la Compresión, Composite, CuradoResumen
En este trabajo se presentan los resultados experimentales del comportamiento ante cargas axiales de pilares de barro estabilizados con cemento (CSRE, por sus siglas en inglés) y armados de acero, así como la comparación de dicho comportamiento con el de los pilares sin armadura y los armados de bambú. Se estudian los efectos producidos en la modalidad de rotura y en la deformación tanto lateral como axial de los pilares por parámetros estructurales como la distancia entre cercos o estribos. Los resultados de los ensayos indican que la capacidad portante de los pilares aumenta con el incremento de la relación armadura lateral/cerco. Las deformaciones máximas axial y lateral se observan en los pilares en los que el espaciado de los cercos es menor. En los pilares CSRE armados con cercos poco distanciados, ante las solicitaciones aplicadas se produce el desprendimiento del recubrimiento en la zona de rotura. Los pilares armados de acero presentan mayor capacidad portante que los otros estudiados, pudiendo emplearse por tanto como elemento estructural de los muros de las casas de barro de media altura. La adopción en obra de la técnica de armar propuesta permitiría mejorar la resistencia y el rendimiento de los pilares estudiados.
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