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In order to broaden its range of road engineering skills and provide a comprehensive response to its customers' requirements, Groupe Géotec has developed a business focused on roads and their infrastructures.

With more than 1 million km of roads and nearly 250,000 bridges in France, road and infrastructure maintenance is undoubtedly a major challenge for the years to come. In this context, Groupe Geotec aims to become a key player in this field, providing solutions for the entire value chain:

  • Network testing.
  • Analysis of causes of deterioration and implementation of indicators.
  • Interview scenarios.
  • Maintenance program and job sizing.
  • Control of completed work.
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ROAD BUSINESS MISSIONS

Project ownership and project management assistance

The department is responsible for all motorway project management tasks, assisting project owners with their road and other infrastructure development projects.

Pavement diagnostics

Road diagnostics enable maintenance work to be prioritized and prioritized, as well as a detailed approach to the associated budget envelopes, whether for concrete or asphalt pavements.

Exterior pavement inspections

In the field, external inspection campaigns are jointly defined and planned with the project owners. On-site investigations and laboratory tests validate the acceptance of subgrades, aggregates, bitumens, asphalt mix manufacture and application, skid resistance and road markings.

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Road engineering

Road engineering on existing pavements completes the road diagnosis by optimizing the technical proposals. A complementary campaign consisting of various in-situ investigations can be proposed. The data collected can be used to delimit any disorders and precisely define the homogeneity or heterogeneity of structures. Finally, resizing confirms the reinforcements to be planned. Road engineering on new roads enables structures to be optimized according to site configurations.
L'ingénierie routière sur voiries neuves permet d'optimiser les structures suivant les configurations du site.

Road engineering on new pavements enables structures to be optimized according to site configurations and geotechnical data.
 

Pavement surveys

Teams respond immediately to customer problems arising from technical or geological incidents.

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MATERIAL RESOURCES FOR THE ROAD BUSINESS

Software
The full range of software to support technical decisions and proposals, such as ALIZE (simple/special loads/damage calculation), HALOGENE, video analysis and interpretation software, ...

Pavement diagnostics and road engineering">

  • 360° cameras.
  • FLASH deflectographs (rolling load 13T/axle).
  • Towed core drills.
  • Portable core drills.
  • GEORADAR and a pedestrian solution.
  • LASER PROF.
  • LTL-M.
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 Exterior pavement inspections

  • Bearing capacity tests on subgrade (Dynaplaque II).
  • Plate bearing tests and static deflections.
  • Aggregate testing: grading, Los-Angeles, Micro-Deval, flattening, density, cleanliness, VBs.
  • Asphalt testing: Penetrability, Ring ball.
  • Tests on emulsions: Viscosity, water content, breakage, sieve deposition.
  • Asphalt mix testing: binder content and grading (NEBA or INFRATEST)
  • In-situ asphalt testing: control of void indices (PAVE TRAKER), control of macro texture (HSv).

 

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Déflectographe FLASH

 

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HUMAN RESOURCES FOR THE ROAD BUSINESS

The teams are made up of some forty technicians and administrative staff, supported by an area manager at each site: Paris region, Bourges, Strasbourg, DROM-COM and West Africa.