Seismic investigations utilise the principle of acoustic-wave propagation to determine velocity changes in subsurface materials. Seismic surveys offer a cost-effective solution to characterising the subsurface, providing information that can be used to determine building parameters or potential susceptibility to geohazards.





Seismic surveys are used in the construction industry, mainly in the design stage, for the evaluation of soil and bedrock parameters.
Seismic surveys have many applications, including:
  • Determining depth to bedrock
  • Bedrock topography mapping
  • Rippability
  • Determining water-table depth
  • Subsurface stratigraphic mapping
  • Bedrock mapping
  • Fault determination
  • Groundwater investigations
  • Determining shear-wave velocity (Vs )
  • Seismic site classification using Vs 30 International Building Code
  • Identification of potential sinkhole areas
  • Mapping of fracture and fault zones
  • Wind-turbine site classification
  • Levee evaluations
Applus+ RTD’s geophysics teams use state-of-the-art seismic acquisition and processing equipment to characterise the subsurface.
We examine a client’s needs and analyse the project-site conditions with a view to identifying the most appropriate technology and equipment to use, establish survey parameters for data collection and deliver clear and meaningful results. Clients with site issues at their own facilities, at a project site or at one of their client’s project sites can draw on our seismic services to assist with determining subsurface geology conditions.
Our near-surface seismic services, carried out by highly trained and experienced personnel, provide our clients with detailed data concerning subsurface conditions and value-engineering data. Furthermore, owing to our extensive geographical coverage, we can rapidly deploy, wherever the client is based.
Applus+ near-surface seismic services offer our clients (and their clients) peace of mind when embarking on a new construction project. They provide detailed information enabling a project to be well-planned from the start, thereby avoiding the emergence of potentially costly issues related to insufficient subsurface data or geohazards at a later date.