Evaluation of pathological problems associated with carbonation and sulfates in a concrete tower with more than 50 years in service

  • Erick Edgar Maldonado Bandala Facultad de Ingeniería Civil, Universidad Veracruzana, Circ. Gonzalo Aguirre Beltrán s/n, Zona Universitaria, C.P. 91000, Xalapa, Veracruz, México.
  • Demetrio Nieves Mendoza Facultad de Ingeniería Civil, Universidad Veracruzana, Circ. Gonzalo Aguirre Beltrán s/n, Zona Universitaria, C.P. 91000, Xalapa, Veracruz, México.
  • Juan Luis Vela Jimenez Consorcio RNC S.A. de C.V. Esteban Mascareñas 44, Col Mártires de Chicago C.P. 91090, Xalapa, Veracruz, México
  • Pedro Castro Borges Centro de Investigación y de Estudios Avanzados del IPN Unidad Mérida, Antigua Carretera a Progreso Km. 6, 97310 Mérida, Yucatán, México; Tels. (999) 942-94-00. Fax: (999) 981-29-23
DOI: https://doi.org/10.21041/ra.v8i1.284
Keywords: inspection, tower, reinforced concrete, diagnosis, service

Abstract

In preparation for rehabilitation of a 50+ year-old reinforced concrete tower in the southern portion of the state of Veracruz, Mexico, inspections and assays were done to quantify corrosion in the structure. Visual damage survey was done using an aerial drone, and physical, chemical, mechanical and electrochemical assays run to characterize concrete condition and corrosion damage. Carbonation is the predominant corrosion mechanism in the structure. Sulfate emission in the surrounding industrial installations is reflected in low compression resistance, cracks and spalling. Considering the concrete condition and corrosion results, a five-step repair and rehabilitation process is proposed to extend structure service life.

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Author Biographies

Erick Edgar Maldonado Bandala, Facultad de Ingeniería Civil, Universidad Veracruzana, Circ. Gonzalo Aguirre Beltrán s/n, Zona Universitaria, C.P. 91000, Xalapa, Veracruz, México.

Profesor-Investigador Titular C

Facultad de Ingeniería Civil

Universidad Veracruzana

Demetrio Nieves Mendoza, Facultad de Ingeniería Civil, Universidad Veracruzana, Circ. Gonzalo Aguirre Beltrán s/n, Zona Universitaria, C.P. 91000, Xalapa, Veracruz, México.

Profesor-Investigador Titular C

Facultad de Ingeniería Civil

Universidad Veracruzana

Juan Luis Vela Jimenez, Consorcio RNC S.A. de C.V. Esteban Mascareñas 44, Col Mártires de Chicago C.P. 91090, Xalapa, Veracruz, México
Gerente de Ingeniería, Consorcio RNC S.A. de C.V.
Pedro Castro Borges, Centro de Investigación y de Estudios Avanzados del IPN Unidad Mérida, Antigua Carretera a Progreso Km. 6, 97310 Mérida, Yucatán, México; Tels. (999) 942-94-00. Fax: (999) 981-29-23

  • Investigador CINVESTAV 3-C 

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Published
2018-01-31
How to Cite
Maldonado Bandala, E. E., Nieves Mendoza, D., Vela Jimenez, J. L., & Castro Borges, P. (2018). Evaluation of pathological problems associated with carbonation and sulfates in a concrete tower with more than 50 years in service. Revista ALCONPAT, 8(1), 94 - 107. https://doi.org/10.21041/ra.v8i1.284
Issue
Vol. 8 No. 1 (2018)
Section
Study Case

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