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STRUCTURE INVESTIGATION

INNOGEO implements different structure investigation and in-situ testing techniques:

Physical characterisation of structures by seismic, radar, or electric imaging 

  • Dams or Hydraulic structures (dyke, canals…)
  • Underground structures (tunnel…)
  • Ballasts and railway platforms
  • Airport runways, roads and motorways
  • River and coastal structures (docks, ports, protection structures…)
  • Buildings (foundations, flagstones, foundations, slabs, shear walls, beams…)
  • Industrial structures
  • Tankage (hydrocarbon, chemical, waste…)
  • Mines and quarries
  • Nuclear structures

 

Parallel Seismic Test Method

Standardised method (Norm NFP 94-160-3) used to determine the depth and, to some extent, the quality of concrete foundations or foundations in masonry, of sheet piling, of metal piles or micropiles.

Measurement of the deformability of rock or concrete

Measurements of deformability of rock or concrete allow us to get the different moduli of deformation under cyclic loading that are used in calculations of strain and rock strength under static strain.

Flat jack trials are done in walls.

Dilatometer testings are done in boreholes.

Plate bearing tests are done in galleries.

Measurements of earth electrode (Wenner method)

Electrical ground resistance measurements are used to determine the size of earth electrodes.

Conductivity/ Thermal resistivity measurements

Thermal conductivity measurements are used to proportion underground equipment for warm or cold effluent discharge to study heat transfer in the ground around these equipment.