Geotechnical Laboratory Testing

Geotechnical testing is part of any ground investigation. Natural materials or made ground are sampled and sent for various site and laboratory tests to characterise the conditions that exist underneath a site. RSK’s in-house laboratories and site and monitoring teams are fully equipped and certified to conduct multiple types of geotechnical testing to assist clients in avoiding potential pitfalls.

A history of successful testing

Structural Soils, an RSK company, has been undertaking laboratory testing on soil and rock samples for more than 50 years. The company has an impressive list of clients ranging from government agencies, consultants and local authorities, to private entities and individuals.

Our geotechnical laboratories offer routine and advanced testing of soil, rock and aggregate; asbestos or other fibre-containing soil samples; hydrocarbon-or heavy-metal-contaminated soil; and biologically inactive but odorous organic soil or soil–sludge mixtures. These tests produce high-quality data that are incorporated into geotechnical reports.

Navigating unknown soil properties

Many of our clients seek a variety of testing for their projects to gain regulatory consent, design infrastructure and dispose of or reuse materials. Potential hurdles to this are budget restrictions, tight deadlines and unpredictability of the materials to be tested.

Our extensive experience enables us to help navigate these situations to avoid, or bridge, as many obstacles as we can. We also give our clients the assurance that the testing is rigorous and thorough.

A range of accredited and thorough testing methods

Our experienced technicians can perform a wide variety of accredited tests. Furthermore, we maintain a rigorous quality assurance protocol that involves many levels of quality checks, and we participate in national and international proficiency testing schemes. We have worked hard to develop an excellent reputation for trust, communication, fast response and personable client services.

We are dedicated to continually improving our services and willing to think outside the box to ensure our clients receive the testing services required.

Global capability

We have four UK geotechnical laboratories, in Bristol, Hemel Hempstead, Tonbridge and Castleford, which operate under a UKAS-accredited multisite status. The laboratories can test samples both from the UK and abroad: the Bristol laboratory is licensed to import and carry physical and mechanical testing of soils from anywhere in the world. We provide sound knowledge of all aspects of geotechnical engineering, and within the wider group, these services are another asset to the end-to-end bespoke service we offer to clients.

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Our Expertise

  • Soil and rock

    Our laboratory capability for soil and rock includes index properties and compaction; consolidation and swelling; compressive and tensile strength; shear strength; cyclic loading; elastic, electrical and thermal properties; abrasivity; and hardness.

  • Earthworks materials and aggregates

    For earthworks materials and aggregate, we can offer testing relating to sampling; grading and shaping; fragmentation and wear resistance; and durability (soundness).

  • Site testing

    In addition to laboratory work, we can travel to sites to provide testing for in-situ moisture and density; and soil bearing capacity, strength and stiffness; and soakaway tests.

  • Monitoring

    Our experts are also available for GPS borehole surveying; rising/falling head testing; topsoil (garden) validation; gas membrane installation validation; low-flow sampling (bladder and peristaltic); gas/flow monitoring; gas and vapour sample collection; landfill gas and leachate monitoring and sampling; flux monitoring/surveying; dust Frisbee gauge deployment and monitoring; and flame-ionisation detector surveys.

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Hugh Neatherway from RSK Response on-site with the RSK Response tanker in Shoreham, UK, on a nice spring day!

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🚶 Our week one results are in and our RSK Group step count has just passed 79,085,394 steps!

👏 Colleagues across the group share their progress and tips in our latest article in our story!

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👷 Did you know that the UK #construction industry contributes around 40% of the country’s total #carbonfootprint?

📌 Sarah Cook, Chartered Geologist and Associate Director of RSK company Leap Environmental Ltd, presented Leap’s foundation carbon calculator in one of our latest webinars.

🏗️ This tool has been developed to consider embodied carbon associated with foundations and will enable developers to identify carbon costs and potential savings early in the #design process.

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👏 Barcelona-based RSK company Amphos 21 is set to take part in one of the most extensive groundwater chemistry modelling projects that has ever been conducted.

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Scott and Piotr ready to get started on steel fencing works for East West Railway Company!

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💡 All-Energy 2022 starts Tomorrow!

🤝 #RSKGroup will be exhibiting at the event, alongside two of our companies: Stephenson Halliday and Headland Archaeology (UK) Ltd

📌 Come visit us:
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𝗦𝘁𝗲𝗽𝗵𝗲𝗻𝘀𝗼𝗻 𝗛𝗮𝗹𝗹𝗶𝗱𝗮𝘆 - Stand H58
𝗛𝗲𝗮𝗱𝗹𝗮𝗻𝗱 𝗔𝗿𝗰𝗵𝗮𝗲𝗼𝗹𝗼𝗴𝘆 - Stand J61

We would love to see you there!

📅 11-12 May 2022
📍 SEC, Glasgow

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