Geotechnical & Soil-Structure Analysis

FEA and limit equilibrium techniques are well-established tools for assessing the behaviour of soils and adjacent structures. We have provided PLAXIS software & services since 1996, together with comprehensive structural analysis services, and also supply marketing leading slope stability and data management solutions from Bentley Systems.

Geotechnical Engineering

Our geotechnical analysis software and services help:

  • Predict ground movement, structural deflections and loads with accuracy
  • Reduce conservatism within designs
  • Understand performance changes due to loading & material uncertainties

We are the UK channel partner for Bentley Systems’ suite of geotechnical engineering solutions, including PLAXIS analysis software and gINT for geotechnical data management.

PLAXIS is specifically developed for the simulation of staged construction, consolidation & settlement, bearing capacity and many other applications, and is established as the world-leading FEA software for detailed analysis of ground movement, foundations, tunnels, slopes, excavations and problems involving consolidation and groundwater flow. It now also includes comprehensive 2D and 3D rapid slope stability design and assessment tools, based on the limit equilibrium method.

PLAXIS 3D tunnel with foundation model (Courtesy: Plaxis bv)
PLAXIS 3D tunnel with foundation model

We have in-depth knowledge of soft soil, hardening soil, small-strain stiffness, jointed rock and creep behaviour, including Mohr-Coulomb, Hoek-Brown, Modified Cam Clay and Sekiguchi-Ohta materials.

Dynamic response results from a PLAXIS simulation can help develop a spring/damper model for a separate, more detailed analysis of above-ground structures. We can also support Ansys FEA users with their application of in-built constitutive models.

Seismic loading of a dam (Courtesy: Plaxis bv)
Seismic loading of a dam (Courtesy: Plaxis bv)

The ease of use and value gained from PLAXIS means that most of our geotechnical clients prefer to use the software themselves, assisted by our tuition and technical support services. 2D and 3D versions are available to suit user requirements, including named-used Practitioner and network-based licensing. Flexible purchasing options are available for occassional and short term use as well as long term investments.

PLAXIS 2D prediction of basement excavation deformation predictions (Courtesy: RJM Ground Solutions Ltd)
PLAXIS 2D prediction of basement excavation deformation predictions (Courtesy: RJM Ground Solutions Ltd)

For clients who require simulation capability at short notice but do not have the internal capacity or skills, we provide geotechnical consulting services in conjunction with a range of technical partners.

Settlement analysis
NATM analysis

Client Feedback

I'm delighted that you addressed my query immediately.

Jacobs Ltd (Leeds)

PLAXIS proved an excellent tool for carrying out the study allowing the rapid modelling of the proposed construction stages and clear and concise output for review by third parties.

RJM Ground Solutions

I would recommend this training session to all personnel who have interests in soil mechanics or foundation engineering areas.

University of Salford (Civil Eng)

It demystified FEA. I have more confidence in approaching problems and also numerical analysis of geotechnical problems.

University of Southampton

Great support all round. Problem was resolved within 2 hours from the first email from a support technician. Time stated includes the time it took me to re-work my installation script to test the solution provided.

University of Brighton

This course provided an excellent link between understanding soil and FE modelling in Plaxis. It demonstrated (via example) how a knowledge of soil behaviour with sensible data input produces reliable visualisation of construction.

Transport for London

The focused course gave useful guidance on critical consideration for modelling inputs and methodology. I would recommend for beginners and intermediate-level PLAXIS users.

Cullen Grummitt & Roe

An interesting and enlightening introduction to the use of FEA in geotechnical analysis and design practice.

Hyder Consulting

Thank you. A very useful introduction to the software which will encourage me to use Plaxis on future projects.

Bachy Soletanche

I attended the PLAXIS course and found it very useful from a useability point of view. The course explained very well how to implement various models by various means and highlighed the limitations of particular models in certain circumstances.

Byrne Looby Partners

Very informative introduction to FE analysis in geotechnics. Good mix of theory and practical exercises.

Halcrow Group

PLAXIS is an essential string to RJM’s bow and provides us with a competitive advantage over many of our competitors both in the range and speed of analyses we can undertake. We use PLAXIS to help us investigate an increasing variety of geotechnical problems and find the fact that the results of complex analysis can be presented to clients in such a clear and visually attractive way really helps to explain our findings.

RJM Ground Solutions

Great introduction to PLAXIS and a reminder of soil theory for those who need it.

Tony Gee and Partners LLP

It was an enjoyable and informative course with the right balance of presentations and workshop exercises. I feel ready to put my new PLAXIS knowledge into use at the office.

Buro Happold

The course was very well organised. Even though I have used PLAXIS before, I still find it very helpful to be able to learn new functions/features that I wasn’t aware of before.

Mott MacDonald

Highly recommended to practising geotechnical design engineers involved in compex soil structure analysis

Balfour Beatty Ground Engineering

The course not only enhanced my skills in Plaxis analysis but also it helped me better my understanding of soil mechanics and finite element modelling. The tutor was very knowledgeable. A very informative course.

Ramboll UK

How Can We Help?

For more information or to arrange an informal, no-obligation discussion on your requirements, please complete the form opposite or contact us using the details below.

From an initial phone call we can often give you an idea of price and time scales.

With subsequent details, we can then send you some solution ideas, scopes of work and a formal quotation.

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