Geotechnical Investigations

Cengrs is the leading Geotechnical Investigation firms in India.

Established in 1990, and led by a team of IIT Delhi graduates, we have successfully completed over 6000 projects across India and abroad.   Our project line-up includes major thermal Power Plants and solar power plants, refineries, bridges & highways, commercial & residential infrastructure, metro & railways, etc.

Our in-house Geotechnical Investigation capabilities include:

  • Drilling Exploratory Boreholes through Soil and Rock to 150 m depth using our fleet of 40+ mechanised drilling rigs
  • Standard Penetration Tests (SPT) using automatic trip hammer system
  • SPT energy measurement using PDI-manufactured SPT analyzer
  • Undisturbed soil sampling using Shelby tubes, Mazier sampler, piston sampler
  • Cone Penetration Tests (CPT) by mechanical cone, electric cone and piezocone
  • Pressuremeter Test (PMT) using Menard pressuremeter equipment to 80 bars
  • Dilatometer Test (DMT)
  • Static and Cyclic Plate Load Tests (PLT)
  • Footing load tests using our own, customized load frame arrangement
  • Field Vane Shear test (VST) for in-situ characterisation of soft clays
  • Dynamic Cone Penetration Tests (DCPT)
  • Dynamic Cone Penetration Test using TRL Method
  • Field CBR test
  • Electrical Resistivity Test (ERT) using DDR-3 and Megger equipment 
  • Thermal Resistivity Test (TRT)
  • Single and Double Packer Field Permeability Test
  • Full-scale pump-out tests for dewatering design
  • Block Vibration Test (BVT)
  • Down-Hole Seismic test (DHST) using customised equipment from Olson Engineering, U.S.A.
  • Cross-Hole Seismic test (CHST) using customised equipment from Olson Engineering, U.S.A.