Janez Perko

Person

Perko, Janez

  • Engineered and Geosystems Analysis

Person: Employee

  1. A Consistent Approach for the Development of a Comprehensive Data Base of Time-dependent Parameters for Concrete Engineered Barriers

    Seetharam, S., Mallants, D., Perko, J., Jacques, D. & Weetjens, E., Sep 2013, Proceedings of the 15th International Conference on Environmental Remediation and Radioactive Waste Management - ICEM2013 (on CD). United States, p. 1-8

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  2. Modeling the decalcification of cement paste in ammonium nitrate solution

    Phung, Q. T., Jacques, D., Maes, N., Perko, J., Ye, G. & De Schutter, G., Oct 2014, 3rd internatinal conference on Service Life design for Infrastructure: Keynote speech. Zhuhai, China, p. 27-40

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  3. Modelling Long-term Chemical Degradation of a Concrete Container under Near Surface Disposal Conditions

    Perko, J., Seetharam, S., Jacques, D. & Mallants, D., 14 Oct 2011, 1st International Symposium on Cement-Based Materials for Nuclear Wastes. France

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  4. Verification and validation of flow and transport in cracked saturated porous media

    Perko, J., Seetharam, S. & Mallants, D., Dec 2011, COMSOL Conference CD - Proceedings from Fall 2011 Events. Sweden

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  5. Simulating evolution in cement microstructure during chemical degradation

    Patel, R., Perko, J., Jacques, D., De Schutter, G., Van Breugel, K. & Ye, G., Jul 2014, Proceedings of The 10th fib International PhD Symposium in Civil Engineering. Canada, p. 173-178

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  6. Modelling multi-phase flow phenomena in concrete barriers used for geological disposal of radioactive waste

    Mallants, D., Jacques, D. & Perko, J., 30 May 2008, The 11th International Conference on Environmental Remediation and Radioactive Waste Management. Fairfield, NJ, United States, p. 1-9

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  7. Modelling long-term evolution of cementitious materials used in waste disposal

    Jacques, D., Perko, J., Seetharam, S., Mallants, D. & Govaerts, J., Dec 2013, The Behaviours of Cementitious Materials in Long Term Storage and Disposal of Radioactive Waste : Results of a Coordinated Research Project. 1 ed. Vienna, Austria: IAEA - International Atomic Energy Agency, p. 1-26 (IAEA Tecdoc; no. 1701).

    Research output: Contribution to report/book/conference proceedingsChapter

  8. The long-term safety and performance analyses of the surface disposal facility for the Belgian category A waste at Dessel

    Cool, W., Vermariën, E., Wacquier, W., Perko, J. & Van Iseghem, P., Sep 2013, Proceedings of the 15th International Conference on Environmental Remediation and Radioactive Waste Management - ICEM2013 (on CD). United States, p. 1-10

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  9. Modelling Approach to LILW-SL Repository Safety Evaluation for Different Waste Packing Options

    Perko, J., Mallants, D., Volckaert, G., Towler, G., Egan, M., Viršek, S. & Hertl, B., 30 May 2008, Proceedings of the 11th International Conference on Environmental Remediation and Radioactive Waste Management - ICEM2007. Fairfield, New Jersey, United States, Vol. 1.

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  10. Evaluating changes of transport properties of chemically degrading concrete using a coupled reactive transport model

    Jacques, D., Šimůnek, J., Mallants, D., Perko, J. & Seetharam, S., Oct 2011, Proceedings 1st International Symposium on Cement-based Materials for Nuclear Wasters. NUWCEM 2011. Marcoule, France, p. 1-12

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  11. Weight function shape parameter optimization in meshless methods for non-unifrom grids

    Perko, J. & Sarler, B., Apr 2007, In : Computer Modeling in Engineering & Sciences. 19, 1, p. 55-68

    Research output: Contribution to journalArticle

  12. Influence of cracks in cementitious engineered barriers in a near-surface disposal system: assessment analysis of the Belgian case

    Perko, J., Seetharam, S., Jacques, D., Mallants, D., Cool, W., Vermariën, E. & Govaerts, J., Sep 2013, Proceedings of the 15th International Conference on Environmental Remediation and Radioactive Waste Management - ICEM2013 (on CD). United States, p. 1-10

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  13. Decalcification of cracked cement structures

    Perko, J., Mayer, K. U., Kosakowski, G., De Windt, L., Govaerts, J., Jacques, D., Su, S. & Meeussen, J. C. L., Jun 2015, In : Computational Geosciences. 19, 3, p. 673-693

    Research output: Contribution to journalArticle

  14. Model abstraction addressing long-term simulations of chemical degradation of large-scale structures

    Jacques, D., Perko, J., Seetharam, S. & Mallants, D., Oct 2011, Proceedings 1st International Symposium on Cement-based Materials for Nuclear Wastes. NUWCEM 2011. Marcoule, France

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  15. Concrete in engineered barriers for radioactive waste disposal facilities – Phenomenological study and assessment of long term performance

    Jacques, D., Maes, N., Perko, J., Seetharam, S., Phung, Q. T., Patel, R., Soto Masip, A., Liu, S., Wang, L., De Schutter, G., Ye, G., van Breughel, K. & Druyts, F., Sep 2013, Proceedings of the ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. ICEM2013 (on CD). United States, p. 1-10

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  16. Innovative in-situ determination of unsaturated hydraulic properties in deep loess sediments in North-West Bulgaria

    Mallants, D., Antonov, D., Karastanev, D. & Perko, J., 13 May 2008, The 11th International Conference on Environmental Remediation and Radioactive Waste Management. Fairfield, NJ, USA, United States, p. 1-7

    Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

  17. A cement degradation model for evaluating the evolution of retardation factors in radionuclide leaching models

    Jacques, D., Perko, J., Seetharam, S. & Mallants, D., Oct 2014, In : Applied Geochemistry. 49, 10, p. 143-158

    Research output: Contribution to journalArticle

  18. A versatile pore-scale multicomponent reactive transport approach based on lattice Boltzmann method: Application to portlandite dissolution

    Patel, R., Perko, J., Jacques, D., De Schutter, G., Van Breugel, K. & ye, G., Jun 2014, In : Physics and Chemistry of the Earth. 70-71, p. 127-137

    Research output: Contribution to journalArticle

  19. Thermohydraulic Analysis of Gas Generation in a Disposal Facility for Vitrified High-Level Radioactive Waste in Boom Clay

    Perko, J. & Weetjens, E., Jun 2011, In : Nuclear Technology. 174, 3, p. 401-410

    Research output: Contribution to journalArticle

ID: 36239