Geotechnical Exploration &
Laboratory Testing



Geotechnical Exploration
The Gulf Coast is one of the most challenging regions in the United States for geotechnical engineering. Due to the vast deposits of soft soils that are weak and prone to settlement, it’s essential to gather representative soil samples and perform in-situ testing to properly assess the subsurface conditions of potential construction sites. Eustis Engineering L.L.C. brings decades of knowledge to the analysis of our region’s soils and diverse geological conditions, ensuring that proper results are achieved during exploration.
Our exploration services include:
- Cone penetration testing (CPT)
- Field vane shear testing
- Drilling 3-in. and 5-in. diameter soil borings on land, in water, in swamp, and in marsh environments
- Dynamic cone penetration testing (DCPT) in conjunction with hand augers
- 2-in. and 3-in. diameter split spoon sampling
- 3-in. and 5-in. diameter Shelby tube and fixed piston sampling
- Osterberg sampling
- Pitcher sampling.
Laboratory Testing
Eustis Engineering L.L.C. operates full-service accredited geotechnical, concrete, and earthwork laboratories to provide timely service our clients needs. Experienced engineers provide technical oversight ensuring quality testing. Our laboratory technicians, equipment, and procedures meet the rigorous quality control/quality assurance demands mandated by the American Society of Testing and Materials. Eustis Engineering’s team is capable of computing and reporting the laboratory test results in compliance with USACE data management and drafting standards. Specifically, legacy laboratory data formats can be developed or manipulated through .txt files, Bentley’s gINT software files, UBORE and GBORE formats, and as imported/exported to Bentley’s MicroStation. The team has also produced data summaries and boring logs through the USACE’s OpenGround® Contractor Cloud platform
Our laboratory services include:
- Classification index tests
- Triaxial compression tests (drained and undrained)
- Direct shear and direct simple shear tests
- Consolidation tests (2-in. and 4-in. diameter samples)
- Hydraulic permeability tests (flexible and rigid wall)
- Self-weight consolidation tests
- Settling column tests
- Proctor and California Bearing Ratio (CBR) tests
- Concrete, masonry, mortar, and grout compression tests.
- AASHTO Accreditation Scope by Location
