The companySince its foundation in 1989 in Madrid, GEOCONSULT is at the top ofSpanish firms in Tunnels Engineering.Specialized in Tunnels, Underground Works, Mining andGeotechnics.Geoconsult takes part in: CIVIL WORKS TUNNELS PROJECTS MINING PROJECTS. TUNNELS EXPLOITATION INSTALLATIONS SUPERVISION AND WORK CONSULTANCY. INSPECTION AND TUNNELS REHABILITATION PROJECTS GEOTECHNICAL SURVEYS. LINEAR INFRAESTRUCTURE GEOPHYSICS. HYDROGEOLOGY. TUNNELS GROUND WORKS AND MONITORING
Accredited experience The tunnels works budgets designed by Geoconsult in lastyears add up 2.250 millions € Geoconsult has turned over above 45 millions € for designcontracts of these tunnels Geoconsult has designed more than 200 tunnels along itshistory The tunnels designed by Geoconsult include all theconstruction methods: NATM, TBM, etc.
Geology , geological cartography and geological risksField geology and geological cartographyOutcrop analysisGeological risks studies. Outcrop analysisBorehole surveys design and management Borehole survey Geological profile
Geotechnical surveys of linear infraestructure and buildingTunnels geotechnics.Slope stability analysis.Structure geotechnics.Fillings geotechnics. Railway filling slopes stability Section: Tocón – Valderrubio. Córdoba - MálagaMaterials reuse High Speed Railway 3 D Model . Section Tocón – Valderrubio. Córdoba – Málaga high Speed Railway Line
Hydrogeology Modelling and characterization ofAquifer systems : Flow and transport models in underground waters Pumping tests analysis and interpretation Pumping tests Hydrogeology applied to civil works: Hydrogeological surveys Treatments and surveys of infiltrations in underground works Analysis and remediation of barrier effect Numerical modelling: Environmental hydrogeology: Piezometry before and after the tunnel excavation Hydrologic impact surveys Hydrogeological control and monitoring software applications Piezometric drilling control
GeophysicsOur own equipment: Electrical tomography. GPR. Seismic refraction. Electrical tomography equipment Full waveform sonic log. Impact echo equipment for determiningconcrete thickness and segments extradosfillings. Impact echo equipment Detección de Cuevas mediante tomografía eléctrica. LAV Nuevo Acceso Ferroviario al País vasco (Y-Vasca)
Monitoring Monitoring equipmentsinstallation. Geotechnical measuremenst andits interpretation Retrospective and presentmonitoring of subsidences by radarsatellite Web based GIS display Presentación de datos de auscultación a través de Internet en formato GIS Mapa de Subsidencias obtenido mediante Radar Satélite
High Speed Railway tunnelsGeoconsult has taken part in 40 tunnels, above 120 km for ADIF..N NAME LONG (m) CONSTRUCTIVE METHOD HIGH SPEED RAILWAY LINE1 PAJARES 24.648 TBM MADRID- ASTURIAS2 FORCAREY 17.426 TBM ORENSE-VIGO3 SORBAS 7.536 TBM CORREDOR MEDITERRÁNEO4 LA CABRERA 7.246 TBM MADRID - VALENCIA5 PONTONES 3.817 TBM MADRID – ASTURIAS6 KORTAXO SAKON 3.180 CONVENTIONAL Y- VASCA7 EL BOSQUE 3.128 CONVENTIONAL MADRID – VALENCIA8 LEGORRETA 2.952 CONVENTIONAL Y – VASCA9 ORDIZIA 2.832 CONVENTIONAL Y – VASCA10 PRÁDANOS 2.775 CONVENTIONAL BURGOS – VITORIA11 BUBIERCA 2.433 CONVENTIONAL MADRID – BARCELONA12 VEGA DE CIEGO 2.418 CONVENTIONAL MADRID – ASTURIAS13 JOMEZANA 2.077 TBM MADRID – ASTURIAS14 BEASAIN ESTE 1.968 CONVENTIONAL Y – VASCA15 BUÑOL 1.858 CONVENTIONAL MADRID – VALENCIA16 PICO DE SIERO 1.674 CONVENTIONAL MADRID – ASTURIAS17 LA TORRASSA 1.530 CONVENTIONAL MADRID – BARCELONA18 ALBA 1.132 CONVENTIONAL MADRID – ASTURIAS19 EL ALMENDRAL 1.106 CONVENTIONAL CORREDOR MEDITERRANEO20 BRIVIESCA 1.085 CONVENTIONAL BURGOS - VITORIA21 OLABARRIE 1.041 CONVENTIONAL Y– VASCA22 SOTIELLO 1.009 CONVENTIONAL MADRID – ASTURIAS23 LUKO 961 CONVENTIONAL Y – VASCA24 LAS CABEZADAS 904 CONVENTIONAL BURGOS – VITORIA25 LAS DEHESILLAS 861 CONVENTIONAL MADRID – BARCELONA26 MAYORALES 827 CONVENTIONAL CORREDOR MEDITERRANEO27 BUEN SUCESO I 736 CONVENTIONAL MADRID – ASTURIAS28 PEREDILLA 711 CONVENTIONAL MADRID – ASTURIAS29 SAN ANDRÉS 703 CONVENTIONAL Y – VASCA30 NOCEDO 701 CONVENTIONAL MADRID – ASTURIAS31 URLEZAI 654 CONVENTIONAL Y – VASCA32 TESO 636 CONVENTIONAL MADRID - ASTURIAS33 CASTRO 493 CONVENTIONAL MADRID – ASTURIAS34 ARRIARÁN 479 CONVENTIONAL Y – VASCA35 SIETE AGUAS 424 CONVENTIONAL MADRID - VALENCIA36 CASTEJÓN 392 CONVENTIONAL MADRID - BARCELONA37 LOINATZ 370 CONVENTIONAL Y – VASCA38 BUEN SUCESO II 251 CONVENTIONAL MADRID – ASTURIAS39 ITOLA 219 CONVENTIONAL Y – VASCATOTAL LONGITUD (Km) 105, 2
High Speed Railway TunnelsThese pictures show our most remarkable works developed in last five years. Pajares tunnels (Adif) Location.- León and Asturias Length.- 2 tubes , 24.6 km Execution method.- TBM Free cross section.- 56.7 m² Siete Aguas-Buñol (Adif) Location.- Valencia Length.- 3 tunnels, 9.5 km Execution method.- TBM, Conventional method and artificial tunnel Free cross section.- 55, 110 and 145 m² Vigo-Das Maceiras (Adif) Location .- Pontevedra Length.- 2 tubes, 8.2 km Execution method.- TBM Free cross section.- 56.7 m² Sorbas (Adif) Location.- Almería Length.-.- 2 tubes , 7.5 km Execution method.- TBM Free cross section.- 85 m²
Subway TunnelsGeoconsult has participated actively in the development of subway networks in several Spanishcities. The most remarkable projects took place in cities such as Madrid, Bilbao and SanSebastian METRO DE BILBAO Line 1: Section :Arenal -Casco Viejo Line 2: Geotechnical supervision to the construction Section :Aritz-Basauri Line 3: Geotechnical supervision to the construction. Section :Txurdinaga- Casco Viejo METRO DE MADRID Line 1: Section :Plaza de Castilla-Pinar de Chamartín Line 4:Section: Pinar de Chamartín-Parque de Santa María Line 6: Section :Príncipe Pío-Moncloa Line 7: Section :Av. América-Alonso Cano Line 10: Section: Alonso Martínez-Nuevos Ministerios Line 12 (Metrosur) Section VII.- Juan de la Cierva- Alonso de Mendoza (Getafe). Moncloa Interchange METRO DE SAN SEBASTIAN Line 1 Section Herrera – Altza
Road tunnelsIn the last five years, Geoconsult has designed above ten road tunnels for highways, it means,above 25 km excavation. Besides, we have participated as Supervision in importantinfrastructure works such as bypass highways in cities like Bilbao, Madrid, etc SOUTH METROPOLITAN BYPASS IN BILBAO: (Pais Vasco. SPAIN) This infrastructure runs a bypass beltway around Bilbao city. For this, it was designed seven tunnels with a big section ((Argalario, Mesperuza, Santa Águeda, Arraiz, Larraskitu, Arnotegi and Seberetxe), above 20 km excavated. Some of our pioneer designed works are known worldwide such as the construction of a huge Big chamber in Arraiz tunnel chamber in Arraiz tunnel, 28 m wide and 100 m long.Larraskitu and Arnotegi tunnels portal PEINADOR TUNNEL (Vigo. SPAIN) Double tunnel for highway that runs 20 m under Peinador Airport. The tunnel has been designed to be built without interrupting the landing and takeoff operations. Peinador Tunnel. Vigo Airport
Hydraulic tunnelsGeoconsult has participated in the main hydraulic projects developed lately in Spain: PRELIMINARY PROJECT OF SORBE – BORNOVA DIVERSION (Guadalajara. SPAIN) Survey of Alternatives and preliminary project for the construction of big diversion tunnels ( 9.000 -4.000 m). INTAKE AND OUTAKE TUNNELS. (Escombreras. Murcia. SPAIN) Design of outfall and headrace tunnels, 2.5 km long. Undersea tunnel, by drill and blast HYDRAULIC TUNNELS. SEGARRA – GARRIGUES CHANNEL (Lérida. SPAIN) Four tunnel design for diverting water. 1, 2.5 y 3 km long.
Tunnel installationsGeoconsult is also especialized in tunnel exploitation installations: TUNNELS INSTALLATIONS PROJECTS FOR THE NEW ACCESS TO SAN MAMES (Bilbao. SPAIN) We have designed the exploitation installations (electrification, ventilation, lighting, safety, signalling, etc) in five artificial tunnels and tunnel in mine for the redesigning of the access to Bilbao through San Mamés. TUNNELS EQUIPMENT ADEQUACY FOR THE ROAD NETWORK IN ASTURIAS (Asturias. SPAIN) The project redesigns the road tunnel installations for its adequacy to the minimum safety requirements. It includes new designs of connection galleries to access to emergency vehicles, CRT, ventilation, lighting, protection against fires, CCTV, safety, etc INSTALLATIONS ADEQUACY FOR THE SOMOSIERRA TUNNEL The project adecuates the installations and the existing equipment
Inspection and tunnel rehabilitation projectsGeoconsult has carried out the biggest geotechnical surveys campaigns developed in Spain inthe lineal infrastructure works range. INSPECTION AND TUNNEL REHABILITATION PROJECT. LINES 1 AND 2. METRO DE MADRID. (Madrid. SPAIN) Inspection to verify the structural and functional status of the oldest lines in Metro de Madrid (Lines 1 and 2). With the data obtained by the inspection, it was carried out a project of structural support and tunnels improvements INSPECTION AND TUNNEL REHABILITATION PROJECTS FOR BASQUE RAILWAY NETWORK IN GUIPUZCOA (Guipúzcoa. SPAIN) The project consists of the inspection and drawing-up of tunnels rehabilitation projects for Basque Railway network. To carry out this work, it was used modern inspection techniques with our own equipments (GPR, Impact-Echo, termography, etc.)
MiningGeoconsult designs projects in huge underground mining exploitations “A FRAGUIÑA” MINING EXPLOITATION CHAMBER (Orense. SPAIN) In O Barco de Valdeorras (Orense), it has been designed several underground chambers to exploit shales. Their dimensions are enormous for this type of material: 60 m high x 30 m wide x 120 m long. “APARIO” CHAMBER FOR CALCAREOUS AGGREGATES EXPLOITATION (Vizcaya. SPAIN) In Lemona, it was developed the project Apario Chamber. It is an underground exploitation for calcareous aggregate. It uses the sublevels method. MINING PONDS MONITORING. “LAS CRUCES” COPPER MINE (Sevilla. SPAIN) Monitoring by inclinometers, piezometers and surveying.
Geotechnical surveys for linear infraestructureGeoconsult has carried out the greatest geotechnical surveys campaigns developed in Spain intolinear infrastructure works range. GEOTECHNICAL SURVEY IN PAJARES BYPASS (Asturias - León. SPAIN) Geotechnical survey of a high speed railway section, 45 km long, including Pajares tunnel (25 km). It was drilled more than 20 km. GEOTECHNICAL SURVEY OF THE NEW RAILWAY ACCESS TO BASQUE COUNTRY (Y-VASCA (Vizcaya - Guipúzcoa. SPAIN) Survey referred to layout mountain section belonging to the new basque network of high speed railway, 32 km long, It was carried out more than 250 drillings, 10 km long
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