Overview
Background
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 10 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
Availability
- Mr Sebastian Quintero Olaya is:
- Available for supervision
Qualifications
- Masters (Coursework), University of Sydney
Research interests
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Settling, consolidation and desiccation of mine tailings slurry
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Use of high performance fibres to enhance tailings properties
Works
Search Professor Sebastian Quintero Olaya’s works on UQ eSpace
2026
Journal Article
Effects of Clay-Sized Fines Content on the Flow Instability of Mixed Granular Materials: A Case Study of Red Mud
Tian, Hua, Williams, David J. and Olaya, Sebastian Quintero (2026). Effects of Clay-Sized Fines Content on the Flow Instability of Mixed Granular Materials: A Case Study of Red Mud. International Journal of Geomechanics, 26 (8) 04026165, 1-12. doi: 10.1061/ijgnai.gmeng-12560
2026
Journal Article
Investigations of compacted soil-organics mixtures with Spectral Induced Polarisation
Bore, Thierry, Delarue, Frederic, Quintero Olaya, Sebastian, Southam, Gordon, Yan, Guanxi, Velez Marin, Daiana, Scheuermann, Alexander, Schmidt, Susanne and Jougnot, Damien (2026). Investigations of compacted soil-organics mixtures with Spectral Induced Polarisation. Geophysical Journal International, 245 (1) ggag021, 1-10. doi: 10.1093/gji/ggag021
2026
Conference Publication
Characterization of coal mine overburden and suitability in the base and subbase of mine haul road pavement construction materials
Nega, Ainalem, Gedafa, Daba and Quintero, Sebastian (2026). Characterization of coal mine overburden and suitability in the base and subbase of mine haul road pavement construction materials. 14th International Conference in Road and Airfield Pavement Technology (ICPT), Chiang Mai, Thailand, 16-18 July 2025. Cham, Switzerland: Springer Nature Switzerland. doi: 10.1007/978-3-032-08476-7_37
2026
Journal Article
A Round Robin Study for Benchmarking the Measurement of Soil Shrinkage Curve (SSC)
Mishra, Partha Narayan, Tiwari, Satyam, Quintero Olaya, Sebastian, Srikanth, C. S.S.U., Ramaiah, Janaki, Kumar, Ashutosh, Chavda, Jitesh, Das, Partha, Bharat, Tadikonda Venkata, Bag, Ramakrishna, Divya, P. V., Rajesh, Bande Giridhar, Airey, David, Thanayamwatte, Prabhath, To, Peter, Shannon, Benjamin, Kodikara, Jayantha and Das, Sarat Kumar (2026). A Round Robin Study for Benchmarking the Measurement of Soil Shrinkage Curve (SSC). Canadian Geotechnical Journal cgj-2025-0876, 1-37. doi: 10.1139/cgj-2025-0876
2025
Journal Article
Hydromechanical and electromagnetic properties of xanthan gum–treated kaolin
Mishra, Partha Narayan, Verma, Harshal, Tiwari, Satyam, Olaya, Sebastian Quintero, Bore, Thierry, Zhao, Zicheng and Das, Sarat Kumar (2025). Hydromechanical and electromagnetic properties of xanthan gum–treated kaolin. Journal of Geotechnical and Geoenvironmental Engineering, 151 (11) 06025005, 1-10. doi: 10.1061/jggefk.gteng-13134
2025
Conference Publication
Non-invasive and real-time monitoring of tailings slurry density in transmission pipeline using the electrical resistance tomography method
Xiong, Y., Zhang, C., Quintero, S., Racha, N., Bore, T. and Williams, D. (2025). Non-invasive and real-time monitoring of tailings slurry density in transmission pipeline using the electrical resistance tomography method. Life of Mine | Mine Waste and Tailings Conference 2025, Brisbane, QLD, Australia, 29 - 30 July 2025. Carlton, VIC, Australia: AusIMM.
2025
Conference Publication
Rock fill breakdown under high stress values
Quintero, S., Zhang, C., Wijeweera, S., Ci, Z. and Williams, D. (2025). Rock fill breakdown under high stress values. Life of Mine - Mine Waste and Tailings Conference 2025, Brisbane, QLD, Australia, 29-30 July 2025. Carlton, VIC, Australia: The Australasian Institute of Mining and Metallurgy.
2025
Journal Article
Performance assessment of a monolithic soil cover over hypersaline bauxite residue under natural weather conditions
Zhang, Wenqiang, Zhang, Chenming, Lei, Ximing, Olaya, Sebastian Quintero, Zhu, Yuyang and Williams, David J. (2025). Performance assessment of a monolithic soil cover over hypersaline bauxite residue under natural weather conditions. Engineering Geology, 353 108120, 1-12. doi: 10.1016/j.enggeo.2025.108120
2024
Journal Article
Impact of inline polyacrylamide polymer flocculation on the mechanical and hydrological properties of saline tailings
Boshrouyeh, Bob, Edraki, Mansour, Baumgartl, Thomas, Costine, Allan, Quintero Olaya, Sebastian, Lepková, Kateřina and Dwivedi, Deepak (2024). Impact of inline polyacrylamide polymer flocculation on the mechanical and hydrological properties of saline tailings. Minerals, 14 (11) 1180, 1180. doi: 10.3390/min14111180
2024
Journal Article
Mechanical behavior, petrography and microstructural analysis of mining waste recycled bricks
Ingunza, Maria P. D., Williams, David, Serati, Medhi and Olaya, Sebastian Q. (2024). Mechanical behavior, petrography and microstructural analysis of mining waste recycled bricks. Journal of Material Cycles and Waste Management, 26 (6), 1-12. doi: 10.1007/s10163-024-02051-0
2024
Journal Article
Correction: Shear Strength and Consolidation Behaviour of Kaolin Clay Reinforced with a Granular Column Backfilled with Crushed Waste Glass
Kazmi, Danish, Serati, Mehdi, Williams, David J., Olaya, Sebastian Quintero, Qasim, Sadaf, Cheng, Yi Pik, Grizi, Athina and Javadi, Akbar A. (2024). Correction: Shear Strength and Consolidation Behaviour of Kaolin Clay Reinforced with a Granular Column Backfilled with Crushed Waste Glass. Geotechnical and Geological Engineering, 42 (5), 3633-3634. doi: 10.1007/s10706-024-02786-5
2024
Journal Article
Shear Strength and Consolidation Behaviour of Kaolin Clay Reinforced with a Granular Column Backfilled with Crushed Waste Glass
Kazmi, Danish, Serati, Mehdi, Williams, David J., Quintero Olaya, Sebastian, Qasim, Sadaf, Cheng, Yi Pik, Grizi, Athina and Javadi, Akbar A. (2024). Shear Strength and Consolidation Behaviour of Kaolin Clay Reinforced with a Granular Column Backfilled with Crushed Waste Glass. Geotechnical and Geological Engineering, 42 (5), 1-18. doi: 10.1007/s10706-024-02748-x
2024
Journal Article
Electromagnetic methods for assessing moisture content and density of an iron oxide copper gold deposits (IOCG) tailings sample
Mishra, Partha Narayan, Parbhakar-Fox, Anita, Olaya, Sebastian Quintero, Scheuermann, Alexander and Bore, Thierry (2024). Electromagnetic methods for assessing moisture content and density of an iron oxide copper gold deposits (IOCG) tailings sample. Acta Geotechnica, 19 (7), 4839-4854. doi: 10.1007/s11440-023-02120-y
2023
Conference Publication
Alternative mineral processing strategies for copper-gold tailings management
Narayan, Roneel, Edraki, Mansour, Scheuermann, Alexander, Ziemski, Marcin, Antonio, Christian and Quintero, Sebastian (2023). Alternative mineral processing strategies for copper-gold tailings management. Life of Mine, Brisbane, QLD Australia, 2-4 August 2023.
2023
Journal Article
Instrumented column testing on long-term consolidation and desiccation behaviour of coal tailings under natural weather conditions
Zhang, Wenqiang, Zhang, Chenming, Lei, Ximing, Quintero Olaya, Sebastian, Zhu, Yuyang, Zhao, Zicheng, Jensen, Steve and Williams, David John (2023). Instrumented column testing on long-term consolidation and desiccation behaviour of coal tailings under natural weather conditions. Acta Geotechnica, 19 (4), 1891-1909. doi: 10.1007/s11440-023-01984-4
2023
Journal Article
Engineering properties of fine-grained red mud
Tian, Hua, Williams, David J., Mandisodza, Keith, Zhang, Chenming, Olaya, Sebastian Quintero, Zhang, Wenqiang and Tang, Chongyi (2023). Engineering properties of fine-grained red mud. International Journal of Mining, Reclamation and Environment, 37 (6), 399-418. doi: 10.1080/17480930.2023.2212575
2023
Journal Article
Effect of ZrO<sub>2</sub>/CeO<sub>2</sub> mixed oxides on fuel gas production during self-sustaining smouldering combustion of lignocellulosic wastes
Wyn, Hons, Konarova, Muxina, Quintero Olaya, Sebastian and Yermán, Luis (2023). Effect of ZrO2/CeO2 mixed oxides on fuel gas production during self-sustaining smouldering combustion of lignocellulosic wastes. Sustainable Energy and Fuels, 7 (10), 1-7. doi: 10.1039/d3se00307h
2023
Conference Publication
Validation of the crack mode-changing stress in circular tunnels under generalized triaxial tensile stress states
Mutaz, E., Serati, M., Williams, D.J. and Quintero, O.S. (2023). 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, Helsinki, Finland, 11 - 15 September 2022. Bristol, United Kingdom: Institute of Physics Publishing. doi: 10.1088/1755-1315/1124/1/012068
2022
Journal Article
Kaolin clay reinforced with a granular column containing crushed waste glass or traditional construction sands
Kazmi, Danish, Serati, Mehdi, Williams, David J., Quintero Olaya, Sebastian, Qasim, Sadaf, Cheng, Yi Pik and Carraro, J. Antonio H. (2022). Kaolin clay reinforced with a granular column containing crushed waste glass or traditional construction sands. International Journal of Geomechanics, 22 (4) 04022030. doi: 10.1061/(asce)gm.1943-5622.0002322
2021
Journal Article
Using pycnometry and Archimedes’ principle to measure the gross and air cavity volume of fruit
Hughes, Stephen and Quintero Olaya, Sebastian (2021). Using pycnometry and Archimedes’ principle to measure the gross and air cavity volume of fruit. IOP SciNotes, 2 (2) 025201, 1-7. doi: 10.1088/2633-1357/abf33f
Funding
Current funding
Supervision
Availability
- Mr Sebastian Quintero Olaya is:
- Available for supervision
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