Soil Testing
Geo-technical soil analysis for construction projects
About This Service
CTSL provides professional soil testing services to support geotechnical investigation, earthworks control and informed design decisions. Our laboratory and geotechnical testing services help engineers, contractors and developers assess ground behaviour, material suitability and project compliance with confidence.
All soil testing is carried out in accordance with recognised British and European Standards, with results presented clearly to support reports, specifications and approvals. CTSL delivers accurate, standards-compliant data to support projects from investigation through to construction.
What Is Soil Testing?
Soil testing involves assessing the physical and engineering properties of soils to understand how ground materials will behave under load and changing environmental conditions. It provides essential information to support foundation design, earthworks performance, pavement and subgrade assessment, material suitability verification, and compliance and quality assurance.
Why Soil Testing Matters
- Assess ground strength and stability
- Evaluate compaction and workability characteristics
- Identify moisture sensitivity and settlement risks
- Support compliant and efficient design decisions
- Reduce project risk and avoid costly remedial works
Applications
- Geotechnical and structural design
- Earthworks validation
- Pavement and subgrade assessment
- Material suitability assessments
- Compliance and quality assurance documentation
Compliance: UKAS Accredited — BS EN ISO 17892 — BS 1377-2:2022
Our UKAS-Accredited Soil Testing Services
| Test | Standard |
|---|---|
| Water Content | BS EN ISO 17892-1:2014 + A1:2022 |
| Particle Density & Water Absorption (Gas Jar Method) | BS EN ISO 17892-3:2015 |
| Particle Size Distribution (Washing & Sieving) | BS 1377-2:2022 |
| Particle Size Distribution (Hydrometer Sedimentation) | BS EN ISO 17892-4:2016 |
| Atterberg Limits (1 Point) | BS EN ISO 17892 |
| Atterberg Limits (4 Point) | BS EN ISO 17892 |
| OMC / MDD (2.5kg Rammer) | BS 1377-2:2022 |
| OMC / MDD (4.5kg Rammer) | BS 1377-2:2022 |
| OMC / MDD (Vibrating Hammer) | BS 1377-2:2022 |
| Moisture Condition Value (MCV) | BS 1377-2:2022 |
| MCV / Water Content Relationship | BS 1377-2:2022 |