Geotechnical Engineering
Laboratory Testing
Concrete Testing
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LKN Engineering and Testing offers a broad range of geotechnical engineering services for projects located in North Carolina and South Carolina. Our geotechnical engineering services include site feasibility investigation, foundation design, geo-structural design, retaining walls, slope stability and seepage analyses, asphalt and rigid pavement evaluations.
The LKN team is proficient to provide due diligence consulting services which includes field explorations, laboratory testing, and preparation of the preliminary and final engineering reports. Our geotechnical engineering recommendations are based on local knowledge of piedmont and coastal plain soils, implementation of the field and laboratory testing program, and our past experience and engineering experities working on similar types of projects.
Our goal is to design cost-effective, pragmatic, and tailored engineering solutions to meet our customer’s requirements.
- Geotechnical Explorations and Feasibility Studies
- Soil Drilling and rock Coring Oversight
- Site Characterization
- Hand Auger & DCP Testing
- Infiltration Testing
- Shallow and Deep Foundation Design
- Ground Improvement Design
- MSE Wall Design
- Slope Stability Analyses
- Settle 3D Analyses
- Lateral L-Pile Analysis
- Sheet Pile Analysis
- Pavement Evaluation and Analyses
- Owners Engineer’s Review Services
LKN's soil testing Laboratory is AASHTO accredited. Please visit the link below to view our accreditation directory listing. Our team is experienced to perform a wide variety of soil, aggregate, and materials testing.
LKN has AASHTO Accredited laboratory in our Mooresville location. The laboratory program is performed in general accordance with the applicable AASHTO/ASTM procedures considering local and regional standard of care practices.
The laboratory services include the tests described in below Table.
| Laboratory Test | Applicable ASTM Procedures |
|---|---|
| Visual Classification | ASTM D2488 |
| Moisture Content | ASTM D2216 |
| Atterberg Limits | ASTM D4318 |
| Material Finer than No. 200 Sieve | ASTM D1140 |
| Grain Size Distribution | ASTM D422 |
| Standard Proctor Moisture Density Relationship | ASTM D698 |
| Modified Proctor Moisture Density Relationship | ASTM D1557 |
| Soil Unit Weight | ASTM D7263 |
| Chloride, Sulfate, Sulfide, pH, Electrical Resistivity, and Thermal Resistivity | ASTM D4327, ASTM D5334, ASTM C1580, ASTM G187, ASTM G200 |
Quality assurance and quality control services are prerequisite tasks to facilitate construction work. Field and laboratory material testing provides confirmation that design specifications are being met during construction.Construction material testing and inspection is a key focus of LKN. Construction monitoring services can be provided on a part-time or full-time basis. At LKN, all field inspections and special inspections for earthwork, concrete, masonry, and structural steel are supported by the bench strength of licensed professional engineer.
- Verify subgrade for footings by performing hand auger and DCP testing (ASTM STP-399)
- Verify designed bearing capacity of the underlying soils
- Observe and test field densities of the grade raised fill and backfill material using drive tube method
- Collect bulk soil sample for visual classification, index testing, and moisture density relationship
- Deep foundation inspection
- Ground improvement QA/QC testing
- Review Concrete Mix design
- Retaining wall inspections
- Masonry Wall Inspections
- Fresh concrete sampling and inspection
- Asphalt Observation w/ Core Densities
- Perform reinforcement steel inspection
- Field testing of bolts and post install anchor inspection
- Structural Steel Inspection
- Structural Masonry Inspection
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We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise.
We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise.
We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise.