Ioannis  Vayas

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CONFERENCE PUBLICATIONS

  1. Vayas Ι., Models for stability analysis and design of steel and composite plate girders, The International Colloquium on Stability and Ductility of Steel Structures ‘16, 39-48, Ernst & Sohn, 2016.

  2. Avgerinou, S., Vayas, I.: Behavior of high strength steel FUSEIS seismic resistant systems, Proc. COMPDYN 2015 Conference C 1482, Crete, 2015.

  3. G. Dougka, D. Dimakogianni, I.Vayas: Performance Evaluation of Building Frames with Energy Dissipation Systems -FUSEIS 1, STESSA 2015 Conference, Shanghai, China, 405-406, China Architecture & Building Press, 2015.

  4. D. Dimakogianni, G. Dougka, I.Vayas: Seismic Behavior of frames with innovative energy dissipation systems -FUSEIS 1, 8th Hellenic NAtional Conference on Steel Structures, Tripolis, 2014, Ρ026.

  5. I.Vayas, G. Dougka, D. Dimakogianni: Reconstruction and Extension of the Kindergarten of the German School in Athens, Proc. PROHITECH 2014 Conference, Antalya, 2014, 153-158.

  6. K. Adamakos, S. Avgerinou, I.Vayas,: Estimation of the behaviour factor of steel storage pallet racks, Proc. COMPDYN 2013 Conference C 1118, Kos, 2013.

  7. D. Dimakogianni, G. Dougka, I.Vayas, P. Karydakis,: Seismic behaviour of innovative energy dissipation systems FUSEIS 1-2, Proc. COMPDYN 2013 Conference C 1075, Kos, 2013.

  8. G. Dougka, D. Dimakogianni, I.Vayas, P. Karydakis,: Seismic behaviour of innovative energy dissipation systems FUSEIS 1-1, Proc. COMPDYN 2013 Conference C 1076, Kos, 2013.

  9. C. Castiglioni, A. Kanyilmaz, A. Drei, L. Calado, M. Espihna, R. Goncalves, T. Rauert, I.Vayas: Seismic resistant composite steel frames with dissipative devices, STESSA 2012 Conference, Santiago, Chile, 785-789, CRC Press.

  10. D. Dimakogianni, G. Dougka, I.Vayas, L. Calado, C. Castiglioni,: Innovative energy dissipation systems (FUSEIS 1), STESSA 2012 Conference, Santiago, Chile, 763-768, CRC Press.

  11. L. Calado, JM Proenca, M. Espihna, C. Castiglioni, I.Vayas: Hysteretic behavior of dissipative devices for seismic resistant steel frames (FUSEIS 2), STESSA 2012 Conference, Santiago, Chile, 755-761, CRC Press.

  12. I. Vayas, M.E. Dasiou, X. Lignos: Experimental and analytical investigations of double skin metal faced insulating panels, Progress in Steel and Composite Structures, Proc. 12th Int. Conf. on Metal Structures, Wroclaw, 2011, 86-100, Wroclaw University of Technology.

  13. A. Kanyilmaz, C. Castiglioni, Α. Dei, I. Vayas, L. Calado, T. Rauert: Nonlinear dynamic response of Dissipative devices for seismic resistant steel frames: experimental behaviour and numerical simulation, Proc. COMPDYN Conference MS 27, Corfu, 2011.

  14. C. Castiglioni, A. Kanyilmaz, L. Calado, I. Vayas: Dissipative devices for seismic resistant steel frames, Proc. 8th Int. Conf. on New trends in Statics and Dynamics of Buildings, Bratislava, 2010.

  15. V. Karlos, A. Spiliopoulos, I. Vayas: Prediction of crack formation at steel welded beam-to-column joints under cyclic loading, STESSA 2009 Conference, Philadelphia, 581-586, CRC Press.

  16. I. Vayas, M. Papageorgiou, I. Hatzinikolis, A. Avloniti: Vulnerability of the Greek telecommunications network infrastructure, STESSA 2009 Conference, Philadelphia, 549-554, CRC Press.

  17. O. Palkopoulou, P. Karydakis, I. Vayas: Innovative bracing system for seismic resistant steel structures, STESSA 2009 Conference, Philadelphia, 73-78, CRC Press.

  18. I. Vayas, A. Marinelli, S. Kourkoulis, S. Papanicolopoulos: Investigating the fracture behaviour of Dionyssos marble: An experimental study, PROHITECH 09 Conference, Rome, 1699-1704, CRC Press.

  19. I. Vayas, A. Merinelli, S. Kourkoulis, S. Papanicolopoulos: The pull-out problem in restoring marble fragments, PROHITECH 09 Conference, Rome, 1357-1362, CRC Press.

  20. M.E. Dasiou, I. Psycharis, I. Vayas : Verification of numerical models used for the analysis of ancient temples, PROHITECH 09 Conference, Rome, 1269-1274, CRC Press.

  21. I. Vayas, M. Papageorgiou: Innovative technologies for strengthening of an irregular r.c. building, PROHITECH 09 Conference, Rome, 1083-1088, CRC Press

  22. A. Spiliopoulos, V. Karlos, I. Vayas: Inelastic deformation requirements for steel buildings subjected to seismic loading, EUROSTEEL 2008, Graz, 1395-1400, 2008.

  23. I. Vayas, O. Palkopoulou, Innovative seismic resistant steel frame, EUROSTEEL 2008, Graz, 1389-1394, 2008.

  24. P. Karydakis, G. Ioannidis, I. Vayas: Innovative stiffness and energy dissipation system – The system is intended for multi-story steel buildings of aseismic design, EUROSTEEL 2008, Graz, 1383-1388, 2008.

  25. I. Vayas, M. Papageorgiou, I. Hatzinikolis, K. Avloniti: Pre-seismic assessment of buildings with telecommunication towers, EUROSTEEL 2008, Graz, 1311-1316, 2008.

  26. V. Karlos, A. Spiliopoulos, I. Vayas: Prediction of ductile/brittle failure of steel joints – Behaviour of welded beam-to-column joints under cyclic loading, EUROSTEEL 2008, Graz, 669-674, 2008.

  27. I.Vayas, M.E.Dasiou, A. Marinelli: Dynamic behavior of ancient columns, Compdyn 07, ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Rethymno, Crete, Greece, 13–16 June 2007.

  28. Drei, A., Castiglioni, C., Calado, L., Vayas, I.:Seismic behaviour of braced frames with ductile INERDTM  connections, Proceedings of the Conference on Stability and Ductility of Steel Structures, Lisbon, Portugal, 2006    62.pdf

  29. Vayas I. and Thanopoulos P.: Seismic resistant braced frames with dissipative (INERD) connections, Proceedings of the 5th conference on Behaviour of steel structures in seismic areas (STESSA), Yokohama, Japan, 2006, Mazzolani and Wada eds., p. 801 – 806, Taylor & Francis  Group, London, 2006.

  30. Vayas, I. Thanopoulos, P, Castiglioni, C., Plumier, A., Calado, L.: Behaviour of Seismic Resistant Braced Frames with Innovative Dissipative (INERD) Connections, EUROSTEEL 2005, Maastricht, 5.2-25 – 5.2-32, 2005.

  31. Vayas, I. Thanopoulos, P, Calado, L., Castiglioni, C., Plumier, A.: Innovative Dissipative (INERD) Connections for Seismic Resistant Steel Frames with, 3rd Inter. Symposium on Steel Structures, ISSS’05, Seoul, Korea, 358-365, 2005.

  32. Vayas, I., Papageorgiou, M., Thanopoulos, P,: Seismic evaluation of Steel Buildings, STESSA 2003 Balkema, 2003, 487-492.

  33. Ermoploulos, J., Ioannidis, G., Vayas, I.: Repair and strengthening of concrete buildings damaged by earthquakes using steel elements, Conference on Stability and Ductility of Steel Structures, Budapest, 2002.

  34. Vayas, I.: Interaction of the plastic internal forces and moments of symmetrical I- and box- cross sections, Εurosteel 2002, Coimbra, Portugal.

  35. Vayas, I., Ermoploulos, J., Ioannidis, G.: Application of steel elements in retrofitting of damaged buildings, 12th European Conference on Earthquake Engineering, 2002.

  36. Vayas, I., Rangelov, N.: Classification of beams with box sections, Conference on Coupled Instabilities in Metal Structures, Imperial College Press, 2000, 681-688.

  37. Vayas, I., Dinu, F.: Influence of joint flexibility in the seismic performance of moment resisting steel frames, in C.C. Baniotopoulos and F. Wald. “The Paramount Role of Joints into the Reliable Response of Structures”, Kluwer, 2000, 257-266.

  38. Gantes, C., Vayas, I., Spiliopoulos, A., Pouangare, C.: Optimum bending and shear stiffness distribution for performance based design of rigid and braced multi-story steel frames, STESSA 2000, Balkema, 2000, 585-592.

  39. Vayas, I., Dinu, F.: Evaluation of the response of moment frames in respect to various performance criteria, STESSA 2000, Balkema, 2000, 643-648.

  40. Vayas, I., Spiliopoulos, A.: Low-cycle fatigue behaviour of moment resisting frames, STESSA 2000 Balkema, 2000, 649-655.

  41. Vayas, I., Spiliopoulos, A.: Ductility and overstrength of moment frames, Dubina, Ivanyi (eds) Stability and Ductility of Steel Structures, Elsevier, 1999, 439-446.

  42. Vayas. I.: Influence of shear buckling on the ductility of steel members, Thin Walled Structures, Eds. N.E. Shanmungam et. al. Elsevier, 1998, 733-740.

  43. Vayas, I. : Investigation of the cyclic behaviour of steel beams by application of low-cycle fatigue criteria, Intern. Conference on behaviour of steel structures in seismic areas, STESSA '97, Kyoto, Μazzolani, Akiyama (eds), Edizioni 10/17, 1997, 350-357.

  44. Vayas, I: Stregnth and Ductility of Axially Loaded Members with Outstand Plated Elements, Proc. Coupled Instabilities in Metal Structures, CIMS '96, Liege, 1996, 189-198.

  45. Vayas, I.: The New Design Rules for Plated Structures according to Eurocode 3 - Part 2, Proc. European Workshop THIN-WALLED STEEL STRUCTURES, Rykaluk, Pasternak (eds), Krzyzowa, 1996, 175-182.

  46. Syrmakezis, C., Vayas, I., Sophocleous, A.: Ductility-Irregularity correlation approach for building frames, 11 World Conf. On Earth. Engn, Acapulco, (1996)

  47. Vayas, I.: Design of beam-columns in the postcritical region, Colloq. Stability of steel     structures, Budapest, 1995.

  48. Hadjinicolis, I., Nicolouleas, P., Vayas, I.,Ioannidis, C.: Software development for the design of steel structures for telecommunications, 1st European Conference on Steel Structures. Eurosteel 95, 1995, 429-434.

  49. Karidakis, Ph., Ioannides, G., Vayas, I., Ermopoulos, I.: A composite bridge over Aheloos River in Mesohora, 1st European Conference on Steel Structures. Eurosteel 95, 1995, 351-354.

  50. Pintea, D., Vayas, I., Ocheana, F.: The design of steel and composite steel-concrete structures exposed to fire, 1st European Conference on Steel Structures. Eurosteel 95, 1995, 311-316.

  51. Ermopoulos I., Vayas, I., Petrovits, N., Sofianopoulos, D., Spanos, C.: Cyclic behaviour of composite beam-to-column bolted joints, 1st European Conference on Steel Structures. Eurosteel 95, 1995, 205-210.

  52. Hegedus, L., Vayas, I.: Comparative studies on semi-rigid frames. 2nd Int. Workshop. How to implement the Eurocodes 3 and 4 to University course, Krakow, Polant, 1994, 47-60.

  53. Hegedus, L., Vayas, I.: Influence of connection semi-rigidity to frame behaviour-Comparative studies-7 Czech and Slovak Int. Conf. on Steel Struct. and Bridges, 1994.

  54. Vayas, I.: Modelling of connections 2nd Int. Workshop. How to implement the Eurocodes 3 and 4 to University courses, Krakow, Poland, 1994, 239-249.

  55. Syrmakezis, C., Vayas, I., Sophocleous, A.: An approach to the quantitative estimation of the degree of (ir)regularity in elastoplastic structures in S.A. Savidis (ed.), Earthquake Resistant Construction and Design, Balkema, Rotterdam 1994, 653-660.

  56. Vayas, I., Psycharis, I.: Local cyclic behaviour of steel members, Intern. Workshop on behaviour of steel structures in seismic areas, STESSA '94, Mazzolani, Gioncu (eds), E & FN SPON, 231-241.

  57. Vayas, I., Syrmakezis, K., Sophocleous, A.: A method for the evaluation of the behaviour factor for steel regular and irregular buildings, Intern. Workshop on behaviour of steel structures in seismic areas, STESSA '94, , Mazzolani, Gioncu (eds), E & FN SPON, 344-354, 1994.

  58. Pasternak, H., Vayas, I.: Cyclic behaviour of thin-walled welded knee joints, Intern. Workshop on behaviour of steel structures in seismic areas, STESSA '94, Mazzolani, Gioncu (eds), E & FN SPON, 242-250.

  59. Vayas, I.: Connections, In TU Budapest, Technical Report, Steel Design and Eurocodes, 1993, 167-185.

  60. Vayas, I., Pasternak, H., Schween, T.: Behaviour of knee joints with slender webs under cyclic loading, Proc. 3rd Pacific Struct. Steel Conf., Tokyo, 1992, 607-614.

  61. Vayas, I.: Torsional Rigidities of open stiffeners to compression flanges Intern. Colloquium Stability of Steel Structures, Hungary, 1990, Vol.II, 123-131.

  62. Vayas, I., Psycharis, I.: Behaviour of thin-walled steel elements under monotonic and cyclic loading, European Conference on Structural Dynamics, Eurodyn' 90, Bochum, 1990, preprints 213-217.

  63. Vayas, I.: General requirements and rules for design of Eurocode 8 "Structures in seismic Regions", Proc. of Greek-German Seminar on Structural dynamics and earthquake Engineering, HSTAM, 1988.

 

PARTICIPATION IN CONFERENCES

 

1.   Deutscher Stahlbautag, Dusseldorf, 1978.

2.   Deutscher Stahlbautag, Berlin, 1980.

3.   Workshop on concrete for Eurocode 8, Rome, 1987.

4.   Workshop on Masonry for Eurocode 8, Pavia, 1987.

5.   Eurodyn 90, Bochum, 1990.

6. International Workshop "Steel Design and Eurocodes", Budapest, 1993.

7. Behaviour of steel structures in seismic areas. STESSA 94. Timisoara, 1994.

8. International Colloquium "Stability of Steel Structures". Budapest, 1995

9. Eurosteel '95, 1st European Conference on Steel Structures, Athens, 1995

10. European Workshop on thin-walled steel structures, Poland, 1996

11. Behaviour of steel structures in seismic areas. STESSA 97. Kyoto 1997 .

12. 2nd International Conference on thin-walled steel structures,  1998

13. Stability and Ductility of Steel Structures SDSS’ 99, Timisoara, 1999

14. The Paramount Role of Joints into the Reliable Response of Structures, Chalkidiki, Greece, 2000.

15. Conference on Coupled Instabilities in Metal Structures, Lisbon, 2000

16. Behaviour of steel structures in seismic areas. STESSA 00. Mondreal, 2000

17. Εurosteel 2002, Coimbra, Portugal.

18. Ιnternational Symposium on Steel Structures, Seoul, 2002

19. Behaviour of steel structures in seismic areas. STESSA 03. Napoli, 2003 .

20. Εurosteel 2005, Maastricht, Holland.

21. Behaviour of steel structures in seismic areas. STESSA 06. Tokyo, 2006

22. Εurosteel 2008, Graz, Austria.

KEYNOTE LECTURES IN CONFERENCES

Experimental and analytical investigations of double skin metal faced insulating panels, 12th Int. Conf. on Metal Structures, Wroclaw, 2011.