Our Services

Geo Technical Engineering

Geo Technical Engineering  

TSI offers a full spectrum of geotechnical engineering services encompassing all activities from field explorations to laboratory testing, engineering analysis of the test data, identification of the geotechnical issues and evaluation of an effective and economical solution to address the underlying issues. Seismology and earthquake engineering is another field of our specialty. We have successfully handled problems relating to soil liquefaction and lateral spreading in California where seismic threats were often considered to be the governing factor.

Our geotechnical capabilities include exploration of surface and subsurface conditions through a variety of field techniques including geologic mapping, drilling with hollow-stem and bucket-auger rigs, downhole logging and seismic surveys. The firm's exploration techniques encompass conventional and state-of-the-art sampling methods as well as geophysical and seismological techniques.

TSI’s staff is fully competent to conduct a variety of laboratory tests necessary to characterize both soils and pavement materials. Based on field and laboratory tests, TSI can perform static and dynamic analyses including allowable soil pressures, total and differential settlement, lateral earth pressures, subsidence and fissure formation, soil collapse potential, seismic response spectra, soil liquefaction, slope stability, and slope defoodrmation. We are familiar with both rigid and flexible pavement design based on the engineering properties of subgrade material. We also provide construction observation and management services as well as design and install instrumentation for monitoring structural performance.

Geotechnical Services

  • Perform shoring design
  • Subsurface exploration
  • Soil and groundwater sampling
  • Earth retaining structures
  • Geomembranes
  • Hydrauling conductivity
  • Supervision of field and laboratory testing of soil and concrete (ASTM and Caltrans specifications)
  • Geotechnical Investigation, Shoring/Retaining Wall Analysis, and Design
  • Laboratory Testing
  • Foundation Analysis and Design
  • Dams, Levees, and Embankments

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TSI Engineering, Inc. is an integration of civil engineering and general contracting services. TSI’s strength is based on the 65 plus years of combined experience of its key executives in civil engineering design, structural and geotechnical engineering, construction and construction management.

4600 Roseville Rd. Suite 140
N Highlands, CA 95660