ODOTECHNIKI LTD CONSULTING ENGINEERS www odotechniki gr BRIDGES

ODOTECHNIKI LTD CONSULTING ENGINEERS www. odotechniki. gr BRIDGES 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

ODOTECHNIKI LTD www. odotechniki. gr CONSULTING ENGINEERS Structural & Geotechnical 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 road, railway or pedestrian bridges; • Design of buildings and steel structures; • Design of retaining structures; • Design of tunnels and underground works; • 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

BRIDGES DESIGN OF MAJOR PROJECTS STATE OF THE ART DESIGN, MODELLING, ANALYSIS CONSTRUCTION FOLLOW-UP AND CONSULTING ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE DESIGN OF MAJOR PROJECTS ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE • ATTIKI ODOS (Athens ring road), geotechnical-structural design of bridges, retaining structures, cut & covers, tunnels, foundations, buildings, urban development projects (constructed). • ATHENS-KORINTHOS Highway, geotechnical-structural design of bridges, retaining structures, foundations, high embankments (constructed). • EGNATIA ODOS, 700 km major highway in northern Greece, geotechnical-structural design of 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). • IGOUMENITSA-PREVEZA National road, geotechnical-structural design of bridges, special retaining structures, foundations, high embankments, cuts, landslide rehabilitation (under construction). • North Highway of Crete island, geotechnical-structural design of bridges, cut & covers, tunnels, special retaining structures, foundations (design in progress). • Construction follow up consulting ANCIENT OLYMPIA RING ROAD (constructed). • Construction follow up consulting TRIPOLI-KALAMATA Highway (constructed). ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE ATTIKI ODOS – ATHENS, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE ATHENS-KORINTHOS HIGHWAY – CENTRAL GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE EGNATIA ODOS – NORTHERN GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE ANCIENT OLYMPIA RING ROAD – PELOPONNESE, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE KORINTHOS-TRIPOLI-KALAMATA HIGHWAY – PELOPONNESE, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE KORINTHOS-PATRAS HIGH SPEED RAILWAY – PELOPONNESE, GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTICIPATION IN MAJOR PROJECTS OF BRIDGES IN GREECE IGOUMENITSA-PREVEZA NATIONAL ROAD – NORTHERN GREECE ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES STATE OF THE ART DESIGN, MODELLING, ANALYSIS ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D DRAWINGS – PHOTOREALISTIC VIEWS ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES CONCEPTUAL DESIGN – ALTERNATIVE SOLUTIONS Plan view Elevation views ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES CONCEPTUAL DESIGN – ALTERNATIVE SOLUTIONS Cross sections ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES PRELIMINARY DESIGN – GENERAL DRAWINGS, MODELLING AND ANALYSIS Plan view – Horizontal section of the deck Elevation view On-site visit Model of analysis ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES PRELIMINARY DESIGN – GENERAL DRAWINGS, MODELLING AND ANALYSIS Elevation view Plan view Cross section ODOTECHNIKI LTD – CONSULTING ENGINEERS Model of analysis

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES FINAL DESIGN DETAILED DRAWINGS, CONSTRUCTION STAGES, MODELLING, ANALYSIS, CHECKS ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES FINAL DESIGN DETAILED DRAWINGS, CONSTRUCTION STAGES, MODELLING, ANALYSIS, CHECKS ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF UNDERPASSES Quadrilateral plane elements simulating the top slab Quadrilateral plane elements simulating walls and wing walls Quadrilateral plane elements with elastic interface conditions, simulating the bottom slab and the foundation of the wing walls ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF COMPOSITE BRIDGES Beam elements for the longitudinal and transverse direction + auxiliary quadrilateral plane elements Cross sections of the longitudinal beams Quadrilateral plane elements simulating the abutments Piles simulated with beam elements Soil-structure interaction simulated with springs ODOTECHNIKI LTD – CONSULTING ENGINEERS Kinematic constraints between the surfaces

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF BRIDGES WITH SIMPLY SUPPORTED PRESTRESSED DECKS Quadrilateral plane elements for the cast in-situ slab Elastomeric bearings simulated with springs Beam elements for the precast beams and the transverse direction Tendons of the precast beams ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF BRIDGES WITH PRECAST BEAMS AND SHALLOW FOUNDATION Hinges at both ends of the continuous slab Elastomeric bearings simulated with springs Boundary conditions at abutments Deck and piers simulated with beam element Quadrilateral plane elements with elastic interface conditions Kinematic constraints between piers and foundation ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF BRIDGES WITH CONTINUOUS DECK AND DEEP FOUNDATION Kinematic constraints between deck and piers Deck and piers simulated with beam element Boundary conditions at abutments Pilecap simulated with quadrilateral plane elements Piles simulated with beam elements Soil-structure interaction simulated with springs ODOTECHNIKI LTD – CONSULTING ENGINEERS Kinematic constraints between piers, piles and foundation

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF RAILWAY BRIDGES MODELLED AS PRESTRESSED FRAMES Tendons Deck, abutments and piers simulated with beam element Special boundary conditions Piles simulated with beam elements Soil-structure interaction simulated with springs ODOTECHNIKI LTD – CONSULTING ENGINEERS Kinematic constraints between piers and piles

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF CANTILEVER BRIDGES Construction of cantilevers Closure of side spans Closure of external spans Closure of mid span ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF CONSTRUCTION STAGES CS 1 CS 3 CS 2 CS 4 (Construction Stages: CS) ODOTECHNIKI LTD – CONSULTING ENGINEERS

DESIGN, MODELLING, ANALYSIS AND CONSULTING FOR BRIDGES 3 D MODELLING AND ANALYSIS OF ABUTMENTS Quadrilateral plane elements Kinematic constraints between the surfaces Quadrilateral plane elements with elastic interface conditions Soil-structure interaction simulated with springs Vertical support simulating the rock bed ODOTECHNIKI LTD – CONSULTING ENGINEERS

ON SITE FOLLOW UP ENHANCES COMPANY’S RELIABILITY & EXPERIENCE CONSTRUCTION FOLLOW-UP AND CONSULTING ODOTECHNIKI LTD – CONSULTING ENGINEERS

CONSTRUCTION FOLLOW-UP AND CONSULTING DETAILED CONSTRUCTION DESIGN AND ON-SITE SUPPORT ODOTECHNIKI LTD – CONSULTING ENGINEERS

CONSTRUCTION FOLLOW-UP AND CONSULTING DETAILED CONSTRUCTION DESIGN AND ON-SITE SUPPORT Model of analysis Required reinforcement On-site support Reinforcement tables ODOTECHNIKI LTD – CONSULTING ENGINEERS

CONSTRUCTION FOLLOW-UP AND CONSULTING ON-SITE SUPPORT ODOTECHNIKI LTD – CONSULTING ENGINEERS

HUMAN RESOURSES OF ODOTECHNIKI LTD – CONSULTING ENGINEERS

PARTNER AND DIRECTOR OF ODOTECHNIKI LTD KONSTANTINOS SEFEROGLOU, Geotechnical Engineer, M. Sc. www. linkedin. com/pub/konstantinos-seferoglou/2 b/286/a Areas 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

ASSOCIATES OF ODOTECHNIKI LTD ISABELLA VASSILOPOULOU, Structural Engineer, Ph. D. www. linkedin. com/pub/isabella-vassilopoulou/46/871/304 Areas 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 local industry planning and execution; • Involvement in analysis and design of structures under extreme loading conditions, including both seismic and wind settings; • Inspection and assessment of nonlinear static and dynamic structural behaviour. Concentration on tension structures with the engagement of finite element method; • Preparation or supervision of construction drawings. ODOTECHNIKI LTD – CONSULTING ENGINEERS

ASSOCIATES OF ODOTECHNIKI LTD EVA XENOU, Structural Engineer, M. Sc. www. linkedin. com/pub/eva-xenou/46/3 bb/b 00 Areas of expertise: Structural analysis and design of structures (mainly infrastructure related civil engineering projects) including: • 3 D 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

ASSOCIATES OF ODOTECHNIKI LTD LEFTERIS CHRISOS, Structural Engineer www. linkedin. com/pub/lefteris-chrisos/53/26/353 Areas of expertise: • Structural analysis and design of structures; • 3 D 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

ASSOCIATES OF ODOTECHNIKI LTD PETROS FORTSAKIS, Geotechnical Engineer, Ph. D. www. linkedin. com/pub/petros-fortsakis/24/a 7 a/368 Areas of expertise: • Geotechnical analysis and design with emphasis on infrastructure projects, mainly focused on evaluation of geotechnical investigation data, tunnel design, foundation design, landslide rehabilitation, slope stability; • Non-linear numerical analyses (2 D & 3 D) for the simulation of complex geotechnical environment and construction procedures; • Development of geotechnical database for the storage and evaluation of geotechnical, design, construction and monitoring data; • Risk analysis in geotechnical projects (sensitivity analysis, probabilistic analysis, reliability based design); • Structural design of conventional structures. ODOTECHNIKI LTD – CONSULTING ENGINEERS

ASSOCIATES OF ODOTECHNIKI LTD GEORGIOS PROUNTZOPOULOS, Geotechnical Engineer, Ph. D. www. linkedin. com/in/prountzopoulos Areas of expertise: • Design of tunnels with focus on the specific engineering geological and geotechnical behaviour of rock and soil formations; • Tunnel face stability, tunnel face reinforcement and protection design, using rational methods, with focus on face 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 and secondary roads. ODOTECHNIKI LTD – CONSULTING ENGINEERS

ASSOCIATES OF ODOTECHNIKI LTD FRAGISKOS CHRYSOHOIDIS, Engineering Geologist, M. Sc. www. linkedin. com/pub/fragiskos-chrysohoidis/48/808/a 59 Areas of expertise: • Geotechnical Investigation | Planning, Supervision & Evaluation; • Geological and Geotechnical Design (field and desk work); • Geotechnical Monitoring | Scheduling and Assessment. ODOTECHNIKI LTD – CONSULTING ENGINEERS

ODOTECHNIKI LTD CONSULTING 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