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Your suite of preliminary design apps, made for infrastructure professionals to help simplify early stage decision-making.

Preliminary design tools
for smarter infrastructure

One workflow, multliple design apps

Geoquest Design offers a suite of free online preliminary design apps for structural and geotechnical engineering projects. Every app follows the same intuitive workflow, helping engineers and project managers move from concept to feasibility assessment in minutes.
Create your project:
Set up your project with key details, then create multiple pre-design studies for precast arch structures, basal reinforcement systems, and future Geoquest Design applications.
Explore and optimize design options:
Input key project parameters, run calculations instantly, and evaluate technical feasibility. Compare solutions, refine your design assumptions, and identify the most efficient option for your project.
Export your preliminary designs:
Export drawings, calculation reports, carbon footprint data, and key engineering parameters. The TechSpan app also includes 3D modelling and visualization capabilities.
Available now
Three pre-design applications are available across two Geoquest solution families.
Create multiple designs within a single project, directly from your browser, with no software installation required.
TechSpan precast arches
Design and optimize precast arch structures, configure them in 3D with headwalls, wing walls, and custom cuts. Export models, drawings, and key design data.
Basal reinforcement with ArmaLynk geogrids
Design reinforced embankments on weak ground and obtain the required geogrid strength, anchorage lengths, and estimated carbon footprint.

More to come

Geoquest Design continues to expand, with new preliminary design applications currently under development across our geotechnical and structural solution families.
Basal reinforcement on rigid inclusions
Design your embankment over piles and rigid inclusions with our ArmaLynk high tensile strength geogrid.
Coming soon
Void bridging

Design your embankment over subsidence and sinkholes (void bridging) with our ArmaLynk high tensile strength geogrid.
Coming soon
Riverbank erosion protection
Quickly define a riverbank erosion protection solution using fabric formed concrete mattresses.

Coming soon

By streamlining the early stages of the design phase, our goal is simple:
to make geotechnical and structural expertise more accessible, and infrastructure development
more intuitive.

Designed by engineers, for engineers

Built on decades of field experience and technical innovation, our tools reflect the depth of knowledge behind Geoquest’s global track record. Whether you're exploring options for a tender or communicating concepts with a client, our platform helps bring your vision into form.

Ready to get started?

Start a new pre design