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We provide technical support across two connected pillars: specialist engineering consultancy and automation-enabled tooling. Both are focused on delivering practical, defensible solutions.
Design support, technical review, and numerical modelling for tunnel and underground infrastructure projects
NATM/SCL tunnel design covering primary and secondary support, excavation sequencing, and lining systems in both soft ground and rock. Beyond drawings, we work through the constructability questions that decide whether a design survives contact with site — support timing, round lengths, monitoring trigger levels, and the interface details where tunnels meet shafts, cross-passages, and above-ground structures.
Ground-structure interaction analysis, parameter derivation, and geotechnical risk assessment for underground works. We build defensible ground models calibrated against site investigation data, in-situ tests, and lab results, then translate them into the design parameters that drive actual outcomes — with uncertainty bands kept explicit rather than buried inside conservative averages.
Structural design for underground works — reinforced concrete linings, steel sets and lattice girders, headwalls, portals, and the structures that interface tunnels with the surface. Detailing is built around site reality: rebar that fits within construction tolerances, sequences that match the chosen excavation method, and connections that remain constructible in confined spaces under live tunnelling conditions.
Independent checking, peer review, and technical due diligence on complex underground projects. Engaged with a clear brief to challenge — design philosophy, parameter selection, modelling approach, residual risk treatment — and to produce a written record that holds up under scrutiny from clients, insurers, and approvals authorities.
Finite element and finite difference modelling in PLAXIS 2D/3D, RS2/RS3, and FLAC3D for problems where 2D or 3D ground-structure interaction is what actually governs the answer. Each model is delivered with justification of the constitutive choices, sensitivity studies that bound the result, and full documentation of assumptions, inputs, mesh, outputs, and limitations — so the analysis can be defended in design review, audited later, and re-run by someone else if needed.
Custom scripts, plugins, and proprietary applications that remove repetitive work, improve QA consistency, and integrate with how your team already designs.
Custom scripts, plugins, and proprietary applications in Python, C#, and Rhino/Grasshopper that remove repetitive calculations, manual data handling, and copy-paste QA from engineering deliverables. From a one-off macro to a Rhino/Grasshopper plugin to a desktop or web application built around a specific design workflow — tools are version-controlled, documented, and tested against the cases you actually work with, rather than generic platforms looking for a problem.
Get in touch to discuss how we can support your tunnel or underground engineering project.