Browsing by Author "Ríos-Rojas, John Fredy"
Now showing items 1-3 of 3
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Effect of addition of polyurea as an aggregate in mortars: analysis of microstructure and strength
Chacon, Hernan; CANO CUADRO, HEIDIS PATRICIA; Hernández Fernández, Joaquin; Guerra, Yoleima; Puello, Esneyder; Ríos-Rojas, John Fredy; Ruiz, Yolima (MDPI AGSwitzerland, 2022-04-26)The addition of polymers in construction is a new tendency and an important step toward the production of structures with better functional properties. This work investigates the addition of polyurea (PU) as a polymeric ... -
Identification and quantification of microplastics in effluents of wastewater treatment plant by differential scanning calorimetry (DSC)
Hernández Fernández, Joaquín; Cano, Heidis; Guerra, Yoleima; Puello Polo, Esneyder; Ríos-Rojas, John Fredy; Vivas-Reyes, Ricardo; Oviedo, Juan (MDPI AGSwitzerland, 2022-04-20)In this research, the presence of microplastics was detected through a differential scanning calorimetry (DSC) analysis of three wastewater treatment plants. One of these plants applied only a preliminary treatment stage ... -
Impact of environmental pollution in the sustainability of architectural heritage: case study from Cartagena of India, Colombia
CANO CUADRO, HEIDIS PATRICIA; Ríos-Rojas, John Fredy; Hernández-Fernández, Joaquin; Bernal Herrera, Wilson; Bautista Betancur, Mayka; De La Hoz Vélez, Lorcy; Agámez González, Lidy (Corporación Universidad de la Costa, 2021-12-24)Limited studies have been carried out in emerging nations on the correlation among the environmental pollution, economic factors, and architectural heritage. For this reason, this research presents an assessment of ...