Mr Sebastian Quintero Olaya

Senior Research Technologist

School of Civil Engineering
Faculty of Engineering, Architecture and Information Technology
s.quintero@uq.edu.au
+61 7 334 67078

Overview

Currently working as a Senior Research Officer/Lab manager of the Geomechanics Engineering Centre lab at UQ. Currently in projects related to instrumentation and long term monitoring of drying and wetting cycles of large scale columns with tailings or soil. Over 5 years of experience testing mechanical, physical and chemical properties of soil and tailings. Specific experiences in consolidation, direct shear, triaxial, SWCC, sensor instrumentation and characterization tests.

PhD student at the school of Civil Engineering

Research Interests

  • Settling, consolidation and desiccation of mine tailings slurry
  • Use of high performance fibres to enhance tailings properties

Qualifications

  • Masters of Project Management, The University of Sydney

Publications

View all Publications

Publications

Journal Article

Conference Publication

  • Mahmoud, Mutaz, Serati, Mehdi, Williams, David J. and Olaya, Sebastian Quintero (2022). Validation of the crack mode-changing stress in circular tunnels under generalized triaxial tensile stress states. Eurock 2022: Rock and Fracture Mechanics in Rock Engineering and Mining, Espoo, Finland, 12–15 September 2022. The Finnish Society for Rock Mechanics - Kalliomekaniikkatoimikunta.

  • Zhang, Chenming, Williams, David J., Lei, Ximing, Quintero, Sebastian and Ferguson, Tony (2020). Large-scale instrumented column test to assess oxidation and leachate. Tailings and Mine Waste 2020, Fort Collins, CO USA, 15-18 November 2020. Vancouver, BC Canada: UBC Studios.

  • Olaya, Sebastian Quintero, Zhang, Chenming, Williams, David J., Lei, Ximing, Zhao, Zicheng and Llano-Serna, Marcelo (2020). Use of high-performance fibres to enhance tailings. Tailings and Mine Waste 2020, Fort Collins, CO USA, 15-18 November 2020. Vancouver, BC Canada: UBC Studios.

  • Kazmi, Danish, Serati, Mehdi, Williams, David J., Qasim, Sadaf, Cheng, Yi Pik and Olaya, Sebastian Quintero (2020). A comparative study on shear strength of crushed waste glass with natural and manufactured sand. 54th US Rock Mechanics/Geomechanics Symposium, United States, 28 June - 1 July 2020. American Rock Mechanics Association.

  • Serati, Mehdi , El-Amin, Mutaz , Williams, David J., Quintero Olaya, Sebastian , Karlovsek, Jurij and Hanzic, Lucija (2020). Failure Mode of Concrete Under Polyaxial Stresses. 54th US Rock Mechanics/Geomechanics Symposium, Golden, CO United States, 28 June – 1 July 2020. Alexandria, VA United States: ARMA.

  • Zhang, Wenqiang, Zhang, Chenming, Lei, Ximing, Zhu, Yuyang, Quintero, Sebastian, Williams, David J. and O'Neill, Mike (2019). Assessing salt migration from compacted bauxite residual into overlying cover using an instrumented column. Tailings and Mine Waste 2019, Vancouver, Canada, 17-20 November 2019. Vancouver, Canada: University of British Columbia.

  • Ingunza, Maria P. D., Williams, David and Olaya, Sebastian Q. (2019). Effects of fly ash addition on the rheological behaviour of red mud slurry. The 34th International Conference on Solid Waste Technology and Management, Annapolis, MD, USA, 31 March-4 April 2019. Widener University School of Engineering: Springer Journals Editorial Office.

  • Serati, Mehdi, Williams, David J., del Pilar Durante Ingunza, Maria and Quintero Olaya, Sebastian (2017). Effect of Waste Additives on Mechanical Strength of Fired Clay Bricks. The 32nd International Conference on Solid Waste Technology and Management, Philadelphia, PA, USA, 19-22 March 2017. Chester, PA United States: The Journal of Solid Waste Technology and Management.

  • Quintero Olaya, Sebastian, Williams, David J., del Pilar Durante Ingunza, Maria and Serati, Mehdi (2017). Geotechnical characterisation of neutralised red mud for use in civil engineering construction and manufacturing. The 32nd International Conference on Solid Waste Technology and Management, Philadelphia, PA, USA, 19-22 March 2017. Chester, PA United States: The Journal of Solid Waste Technology and Management.