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Structural recognition

Rediscover the geometry of a structure and recreate its layout and organisation

Sixense offers a comprehensive range of structural recognition investigation methods based on field surveys and laboratory tests. These methods can be used to collect all the input data required for a structural assessment, regardless of the materials and types of structures involved:

  • Geometric survey
  • Reconstruction of reinforcement and cabling plans
  • Characterisation of the mechanical properties of materials
  • Qualification of the state of conservation of materials

Our areas of expertise in structural recognition

Reinforced concrete structures

  • Survey of construction principles and potential pathologies
  • Reconstruction of reinforcement plans (identification of reinforcement type, positioning and diameter)
  • Modelling of geometry
  • Reconstruction of load-bearing structures and construction principles
  • Sampling of concrete test specimens for determining mechanical characteristics in the laboratory

Pre-stressed concrete structures

  • Analysis of anchorage types and identification of prestressing processes
  • Reconstruction of sheath and cable positioning
  • Measurement of residual tension in prestressing cables (post- or pre-tensioning)
  • Identification of specific defects (e.g. injection defects, corrosion)
  • Sampling materials for laboratory testing (e.g. prestressing steel, injection grout, fossil water)

Metal structures

  • Survey of the geometry of steel frame elements
  • Identification of assembly types (riveted, bolted or welded)
  • Identification of bracing principles
  • Survey of defects and measurement of residual metal thickness
  • Sampling steel for tensile testing in a laboratory

Masonry structures

  • Identification of materials (e.g. bricks, stones and mortar)
  • Reconstruction of the overall geometry
  • Recognition of the internal geometry (e.g. vault thicknesses and openings)
  • Identification of stress distribution patterns and load-bearing principles
  • Core sampling for compression testing of composite materials (blocks and joints)

Wooden structures

  • Geometric surveys and 3D modelling
  • Survey of construction principles and assembly types
  • Identification of wood species
  • Mechanical characterisation through visual inspection, sampling for laboratory testing or in-situ measurements
  • Identification of defects and characterisation of condition