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  • 1. ODOTECHNIKI LTDCONSULTING ENGINEERS www.odotechniki.gr UNDERGROUND WORKS DESIGN MODELLING ANALYSIS CONSTRUCTION FOLLOW UP Address: 59, 3 rd September Str. GR 10433, Athens, Greece e-mails: info@odotechniki.gr , odotechniki@odotechniki.gr Tel. +30 210 8228052, +30 210 8222127, Fax. +30 210 8233003
  • 2. ODOTECHNIKI LTDCONSULTING ENGINEERS www.odotechniki.gr Geotechnical & Structural experts Design, Consulting, Construction Follow Up and Subcontracting Services on: • State-of-the-art modelling and analysis; • Value Engineering solutions; • Design reviews and independent checks; • Design of tunnels and underground works; • Design of bridges and steel structures; • Design of buildings; • Design of retaining structures; • Design of foundations, embankments, reinforced soil structures, cuts, deep excavations; • Analysis and stabilization design of landslides and failures; • Analysis of rock fall and rock fall barriers design; • Programming and evaluation of geotechnical investigations and monitoring; • Geological & geotechnical interpretation reports; • Risk analysis in geotechnical and structural projects; • CAD services, providing drawings preparation, reinforcement tables and detailing . Address: 59, 3 rd September Str. GR 10433, Athens, Greece e-mails: info@odotechniki.gr , odotechniki@odotechniki.gr Tel. +30 210 8228052, +30 210 8222127, Fax. +30 210 8233003
  • 3. UNDERGROUND WORKS DESIGN OFMAJOR PROJECTS STATE OF THE ART DESIGN, MODELLING, ANALYSIS CONSTRUCTION FOLLOW- UP AND CONSULTING ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 4. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECE DESIGN OF MAJOR PROJECTS ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 5. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECE• ATTIKO METRO (Athens metro), Geotechnical Consulting for lines 2 & 3, (constructed).• ATTIKI ODOS (Athens ring road), geotechnical-structural design of bridges, retaining structures, cut & covers, tunnels, foundations, buildings, urban development projects, (constructed).• EGNATIA ODOS, 700km major highway in northern Greece, geotechnical-structural design of tunnels, bridges, cut & covers, tunnels, special retaining structures, foundations, high embankments, cuts, landslide rehabilitation, (constructed).• ANCIENT OLYMPIA RING ROAD , geotechnical-structural design, bridges, cut & covers, tunnels, special retaining structures, foundations, high embankments, (constructed).• KORINTHOS-TRIPOLI-KALAMATA Highway,  geotechnical-structural design of bridges, cut & covers, tunnels, special retaining structures, foundations, high embankments, cuts, landslide rehabilitation, (under construction).• High speed RAILWAY KORINTHOS-PATRAS,  geotechnical-structural design of bridges, cut & covers, tunnels, special retaining structures, foundations, (under construction).• ATHENS-THESSALONIKI Highway (STYLIDA ring road), geotechnical-structural design of bridges, tunnels, special retaining structures, (under construction).• North Highway of Crete island,  geotechnical-structural design of bridges, cut & covers, tunnels, special retaining structures, foundations, (design in progress).• THESSALONIKI external peripheral highway,  geotechnical-structural design of tunnels, cut & covers, special retaining structures, (design in progress).• Construction follow up consulting for EGNATIA TUNNELS: Veria - Polymilos section, (constructed).• Construction follow up consulting fro ANCIENT OLYMPIA RING ROAD, (constructed).• Construction follow up consulting for TRIPOLI-KALAMATA Highway, (constructed). ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 6. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECEATTIKO METRO – ATHENS, GREECE – GEOTECHNICAL CONSULTING SERVICES ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 7. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECE ATTIKI ODOS – ATHENS, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 8. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECE EGNATIA ODOS – NORTHERN GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 9. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECE ANCIENT OLYMPIA RING ROAD – PELOPONNESE, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 10. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECEKORINTHOS-TRIPOLI-KALAMATA HIGHWAY – PELOPONNESE, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 11. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECEKORINTHOS-PATRAS HIGH SPEED RAILWAY – PELOPONNESE, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 12. PARTICIPATION IN MAJOR UNDERGROUND WORKS IN GREECE STYLIDA RING ROAD – CENTRAL GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 13. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS STATE OF THE ART DESIGN, MODELLING, ANALYSIS ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 14. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS TUNNEL DESIGN 3.74 % 4.62 % 3.74 % 4.62 % ×È:6+900.20 310.82 ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 15. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS 2D MODELLING AND ANALYSIS OF TUNNEL EXCAVATION Angle 60 o Simulation of the discontinuities Back analysis of twin tunnel excavation in a stratified rock mass Simulation of slope tunnels (SRF The influence of competent rock mass layer procedure) ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 16. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS 3D MODELLING AND ANALYSIS OF TUNNEL EXCAVATION WITH ANCHORS ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 17. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS 3D MODELLING AND INVESTIGATION OF TWIN TUNNEL EXCAVATION vertical displacements plastic strain vertical displacements plastic strain ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 18. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS3D ANALYSIS AND INVESTIGATION OF TUNNEL FACE TREATMENT IN SHALLOW TUNNELS 0.000 -0.005Evaluation of different tunnel face treatment schemes based on the resulting surface -0.010 uz (m) settlements for a shallow urban tunnel Unsupported Face -0.015 Forepoles Φ114/101 Forepoles Φ159/139 0.25nails/sqm 0.40nails/sqm -0.020 Forepoles Φ114/101 & 0.25nails/sqm Forepoles Φ159/139 & 0.40nails/sqm -0.025 -4.00 -3.50 -3.00 -2.50 -2.00 -1.50 -1.00 -0.50 0.00 x/D ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 19. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS 3D MODELLING AND ANALYSIS OF TUNNEL EXCAVATION WITH FOREPOLING Bending moment distribution of the forepole umbrella and influence of the tube length on the bending moment ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 20. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS 3D MODELLING AND ANALYSIS OF TUNNEL’S FINAL LINING SIMULATION OF THE GEOMATERIAL TIME-DEPENDENT BEHAVIOUR εε c r cr Γ ι α σ υ γ κ ε κ ρlevel ο q/q/f q f Stress ι μ έ ν q ε cr,tdt d ε c r, 0.50ε cr,tdt d 0 .5 ε c r, t 5t 0 % t td tt 50% d Creep strains ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 21. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS PROBABILISTIC ANALYSIS IN TUNNELLING Variation of tunnel loads Reliability analysis of reinforced and unreinforced FLLoad coefficient ε τofβ λvariation p Vp) (%) 1 0 0 .0 4 .0 Convergence - Confinement Method Ε π ι μ Tunnelν τloadsς partial φ factor γ p , r e q EC Reinforced final lining β = 5 .6 1 (p f = 1 0 -8 ) Monte - Carlo Simulation Σ υ ν τε λ ε σ τ ή ς μ α η τό τη τ α ς , V (% β = 5 .2 0 (p f = 1 0 -7 ) έ ρ ο υ ς σ υ ε λ ε σ τ ή μ ό ν ιμ ω ν ο ρ τ ίω ν , 8 0 .0 3 .5 β = 4 .7 5 (p f = 1 0 -6 ) β = 4 .2 6 (p f = 1 0 -5 ) 3 .0 6 0 .0 2 .5 4 0 .0 2 .0 2 0 .0 1 .5 0 .0 γ g ,E C = 1 .3 5 0 .0 0 0 .1 0 0 .2 0 0 .3 0 0 .4 0 0 .5 0 0 .6 0 Μ έ σ ο α ν η γ μ έ ν ο φ ο ρ τ ίο , m p /p 1 .0 Mean tunnel load m p /p o,m o 0 .0 0 0 .2 5 0 .5 0 0 .7 5 1 .0 0 1 .2 5 1 .5 0 Α ν η γ μ έ ν η α ξ ο ν ικ ή δ ύ ν α μ η ν d (Γ ια V p = 1 0 % & γ p = 1 .3 5 ) Normalized final lining axial force 6 5 0 .0 8 .0 0 8 .0 0 Point Estimation Method (a ) Unreinforced final lining (b ) 6 0 0 .0 m a x im u m 7 .5 0 7 .0 0 5 5 0 .0 tunnell load ((kPa) tu n n e lo a d k P a ) e /h 7 .0 0 6 .0 0 r eReliability i index ββ ) r e lia b ilit y in d e x ( β ) 5 0 0 .0 lia b ility n d e x ( UC average =0 4 5 0 .0 6 .5 0 5 .0 0 .1 0 4 0 0 .0 6 .0 0 4 .0 0 γ C = 1 .8 0 e/ m in im u m h 3 5 0 .0 5 .5 0 3 .0 0 UC =0 3 0 0 .0 .2 5 .0 0 2 .0 0 0 γ C = 1 .5 0 e /h 2 5 0 .0 0 .0 9 40 . .50 0 1 8 0 .0 2 7 0 .0 3 6 0 .0 UC = 0 .3 0 1 .0 0 aAngle ( (o ) n g le ) 4 .0 0 0 .0 0 0 .0 0 0 .1 0 0 .2 0 0 .3 0 0 .4 0 0 .5 0 0 .6 0 0 .0 0 0 .1 0 0 .2 0 0 .3 0 0 .4 0 0 .5 0 0 .6 0 V P V Coefficient of Pvariation V p ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 22. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS EXPERIENCE ON GEOTECHNICAL AND TUNNEL DATA BASE DEVELOPMENTAssociates, Prountzopoulos, G. & Fortsakis, P.,Participated in the Research on the behaviour ofgeomaterials during the construction of the Egnatia Odostunnels and on the factors defining the final cost ofconstruction (Egnatia Odos S.A.) .Marinos, V., Prountzopoulos, G., Fortsakis, P., Koumoutsakos, D. & Papouli, D. (2012) ,Tunnel Information and Analysis System: A geotechnical database for tunnels .Geotechnical and Geological Engineering . doi: 10.1007/s10706-012-9570. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 23. DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR UNDERGROUND WORKS TUNNEL AND CULVERT REHABILITATION ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 24. ON SITE FOLLOW UP ENHANCES COMPANY’S RELIABILITY & EXPERIENCE CONSTRUCTION FOLLOW-UP AND CONSULTING ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 25. CONSTRUCTION FOLLOW-UP AND CONSULTING DETAILED CONSTRUCTION DESIGN ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 26. CONSTRUCTION FOLLOW-UP AND CONSULTINGDETAILED CONSTRUCTION DESIGN AND ON-SITE SUPPORT ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 27. CONSTRUCTION FOLLOW-UP AND CONSULTING DETAILED CONSTRUCTION DESIGN AND ON-SITE SUPPORT 125 14 10 4.67 125 16 10 12.00 4 14 12.00 +7.80 2. 04 04 2. 0.15 0.46 0.15 2821 12 30/40 0.76 14.00 10 125 14125 147.21 7.21 Ü óôçí ð áñåé (2x2) 10 5 10.65-10.2 10 7.56-7.1 6 125 14 4 14 125 14 7.56-7.1 9.50 14.00 7.46 7.46 9.50 10.65-1 (2x2) 4 14 óôçí ð 6 10 0.25 áñåé Ü +0.98 +0.40 ± 0.00 0.15 0.46-0.20 0.15 124 12 30/40 (62x2) 0.76-0.50 0.60 1.15 1.15 0.60 1.00 1.00 -1.83 -1.83 125 14 10 1.25 1.25 2.40 0.25 125 14 10 2.40 0.25 2.00 2.00 250 28 10 2.40 -2.81 250 28 10 2.40 0.4 0 0 0.4 125 18 10 6.00 -3.41 125 18 10 6.00 1.74 1.74 1.04 1.04 535 16 1.75 0.35 1.04 1.04 1.85 1.85 0.49 0.49 0.33 0.33 0.21 0.21 1.26 1.26 êÜô 125 20 10 ù 14.00 11.48 0.02 0.05 0.02 åóù ô êÜ 130 14 10 åñé 12.00 åóù ô êÜ 150 12 10 (2x75) åñé 12.00 1.77 1.77 0.46-0.20 532 12 10 (266x2) 4.00 0.46 28 12 10 [(7x2)x2] 4.00-3.74 1.77 1.77 åî ù ôåñé 300 12 10 (9x2+282) êÜ 12.00 0.015 0.02 0.02 0.02 1.20 1.65-0.80 1.20 36 12 10 (9x2)x2 4.05-3.20 1.04-0.20 68 12 10 (17x2)x2 3.44-2.60 1.20 1.20 Üí ù 54 12 10 (27x2) 12.00 Üí ù 108 12 10 13.30 12.40 0.45 0.45 0.45 0.45 êÜô 152 12 10 ù 13.30 12.40 Üí ù 125 18 10 12.80 4 14 (2x2) 12.00 ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 28. CONSTRUCTION FOLLOW-UP AND CONSULTING ON-SITE SUPPORT ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 29. HUMAN RESOURSES OF ODOTECHNIKI LTD ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 30. PARTNER AND DIRECTOR OF ODOTECHNIKI LTD KONSTANTINOS SEFEROGLOU, Geotechnical Engineer, M.Sc. www.linkedin.com/pub/konstantinos-seferoglou/2b/286/aAreas of expertise:•Extensive conceptual design experience on civil engineering, mainly infrastructure projects;•Extensive experience in team leadership and support of multidiscipline groups;•Geotechnical investigation, monitoring programming and evaluation;•Tunnelling, tunnel portal analysis & design, cut & cover design;•Slope stabilization, retaining structures, rock fall protection design;•Assessment of slide stabilization and design of remedial measures;•Embankment design, earthworks reconstruction and upgrade;•Bridge foundation and deep foundation design;•Construction follow up consulting & value engineering;•Client and authorities communication skills;•Total design management and coordination. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 31. ASSOCIATES OF ODOTECHNIKI LTD PETROS FORTSAKIS, Geotechnical Engineer, Ph.D. www.linkedin.com/pub/petros-fortsakis/24/a7a/368Areas of expertise:•Geotechnical analysis and design with emphasis on infrastructure projects, mainly focused on evaluation ofgeotechnical investigation data, tunnel design, foundation design, landslide rehabilitation, slope stability;•Non-linear numerical analyses (2D & 3D) for the simulation of complex geotechnical environment andconstruction procedures;•Development of geotechnical database for the storage and evaluation of geotechnical, design, constructionand monitoring data;•Risk analysis in geotechnical projects (sensitivity analysis, probabilistic analysis, reliability based design);•Structural design of conventional structures. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 32. ASSOCIATES OF ODOTECHNIKI LTD GEORGIOS PROUNTZOPOULOS, Geotechnical Engineer, Ph.D. www.linkedin.com/in/prountzopoulosAreas of expertise:•Design of tunnels with focus on the specific engineering geological and geotechnical behaviour of rock andsoil formations;•Tunnel face stability, tunnel face reinforcement and protection design, using rational methods, with focus onface nailing and steel tube umbrella in shallow tunnels;•Numerical analyses with the use of finite element codes;•Evaluation of geotechnical investigation data for rocks and soils;•Design of geotextile reinforced soil structures, for use in road and rail embankments, retaining structures,bridge foundations;•Landslide rehabilitation;•Stability of big scale slope cuts in large open mines;•Risk assessment associated with civil engineering works due to rock falls and landslides in highways andsecondary roads. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 33. ASSOCIATES OF ODOTECHNIKI LTD FRAGISKOS CHRYSOHOIDIS, Engineering Geologist, M.Sc. www.linkedin.com/pub/fragiskos-chrysohoidis/48/808/a59Areas of expertise:•Geotechnical Investigation | Planning, Supervision & Evaluation;•Geological and Geotechnical Design (field and desk work);•Geotechnical Monitoring | Scheduling and Assessment. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 34. ASSOCIATES OF ODOTECHNIKI LTD ISABELLA VASSILOPOULOU, Structural Engineer, Ph.D. www.linkedin.com/pub/isabella-vassilopoulou/46/871/304Areas of expertise:•Structural analysis and design with emphasis on infrastructure design;•Resistance of the structural system, the elements and the cross-sections;•Investigation and solution proposal for earthquake-resistant design with real life experience in the localindustry planning and execution;•Involvement in analysis and design of structures under extreme loading conditions, including both seismicand wind settings;•Inspection and assessment of nonlinear static and dynamic structural behaviour. Concentration on tensionstructures with the engagement of finite element method;•Preparation or supervision of construction drawings. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 35. ASSOCIATES OF ODOTECHNIKI LTD EVA XENOU, Structural Engineer, M.Sc. www.linkedin.com/pub/eva-xenou/46/3bb/b00Areas of expertise:Structural analysis and design of structures (mainly infrastructure related civil engineering projects) including:•3D modelling and linear/non-linear numerical analyses;•Resistance of the structural system, the elements and the cross-sections;•Static analysis of structures under permanent, live, accidental, thermal and ground-settlement loads;•Dynamic analysis of structures under seismic combinations;•Foundation bearing capacity;•Preparation or supervision of construction drawings. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 36. ASSOCIATES OF ODOTECHNIKI LTD LEFTERIS CHRISOS, Structural Engineer www.linkedin.com/pub/lefteris-chrisos/53/26/353Areas of expertise:•Structural analysis and design of structures;•3D modelling and linear/non-linear numerical analyses;•Extensive experience on structural analysis and design of metro stations, buildings and bridges;•Dynamic analysis of structures under seismic combinations;•Preparation or supervision of construction drawings. ODOTECHNIKI LTD – CONSULTING ENGINEERS
  • 37. ODOTECHNIKI LTDCONSULTING ENGINEERS www.odotechniki.gr CONTACT US FOR MORE INFORMATION Address: 59, 3 rd September Str. GR 10433, Athens, Greece e-mails: info@odotechniki.gr, odotechniki@odotechniki.gr Tel. +30 210 8228052, +30 210 8222127, Fax. +30 210 8233003