Key areas of expertise

Ground Engineering & Foundations Solutions

Engineering the ground to support safer, stronger and more durable structures

VSL provides specialist ground engineering and foundation solutions to improve weak soils, stabilise excavations, control settlement and groundwater, and transfer structural loads to competent ground layers.

Ground conditions are critical to the feasibility, safety and durability of any construction project.

VSL provides specialist ground engineering and foundation solutions to improve weak soils, stabilise excavations and slopes, control settlement and groundwater, transfer loads to deeper strata, and support complex underground works. From ground improvement and ground anchors to piles, micropiles, soil nails and diaphragm walls, VSL combines engineering expertise, proven methods, specialised equipment and local delivery capabilities from early-stage support to site execution.

Our solutions

Ground improvement

Ground improvement enhances the mechanical or hydraulic properties of soil or rock so the ground can safely support construction works or permanent structures. It can increase bearing capacity, reduce settlement, improve stability, reduce permeability, fill voids or improve excavation conditions.

Ground anchors

Ground anchors transfer tensile loads from a structure into stable soil or rock. VSL provides temporary and permanent anchoring solutions, including strand anchors, bar anchors, soil nails and micropiles, for stabilisation, excavation support or load transfer.

Strand anchors

High-capacity anchors used for demanding soil or rock anchoring applications, including retaining structures, deep excavations, dams, slopes and infrastructure works.

Bar anchors

Compact anchoring solutions for localised load transfer, stabilisation or structural applications where robust and adaptable systems are required.

Piles and deep foundations

Piles are used when loads must be transferred to deeper, more competent ground layers. VSL provides piling and deep foundation solutions for buildings, bridges, industrial structures and infrastructure projects.

Micropiles

Small-diameter piles used to transfer loads or reinforce existing foundations, particularly where access is restricted, headroom is limited or conventional piling is difficult.

Diaphragm walls

Deep reinforced concrete walls built in the ground to retain soil, control groundwater and create underground structures such as basements, shafts, metro stations and cut-and-cover tunnels.

Soil nails and grouting

Soil nails stabilise slopes and excavations, while grouting and injection works improve ground behaviour, reduce permeability, fill voids or support underground works.

Why ground engineering matters

  • Improved ground performance

    Stronger, more stable and less compressible soils.

  • Safer excavations and slopes

    Stabilisation during temporary and permanent phases.

  • Reliable load transfer

    Deep foundations where shallow foundations are not suitable.

  • Construction feasibility

    Solutions for weak soils, groundwater and restricted sites.

  • Reduced geotechnical risk

    Better control of settlement, permeability and stability.

  • Long-term durability

    Foundations and retaining systems designed for asset performance.

WHY CHOOSE VSL FOR GROUND ENGINEERING & FOUNDATIONS SOLUTIONS

VSL helps improve challenging ground conditions by increasing bearing capacity, reducing settlement, controlling permeability and improving overall ground performance.

VSL combines ground anchors, piles, micropiles, diaphragm walls, soil nails and grouting to address a wide range of geotechnical and structural challenges.

From early technical assessment to method engineering, testing, quality control and site execution, VSL supports projects throughout the full delivery process.

VSL combines specialist teams, equipment and controlled procedures with TIO, its digital site data tool, to standardise reporting, access reliable field data faster and improve decision-making during execution.

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FAQ ABOUT POST-TENSIONING SOLUTIONS

These are some of the most common questions we receive. Got another one? Reach out to us!

Ground engineering covers techniques used to improve, support or reinforce soil and rock so that structures can be built safely and durably.

VSL offers ground improvement techniques to enhance soil performance and support safe construction. Depending on local capabilities and project requirements, these may include grouting, jet grouting, deep soil mixing, stone columns, soil reinforcement, compaction or other specialist methods. The right technique depends on ground conditions, loads, settlement criteria and construction constraints.

It may be needed when the ground is too weak, compressible, permeable or variable to support the planned structure or construction method without treatment.

Yes, VSL can combine ground improvement with foundation design to deliver integrated ground engineering solutions. This approach helps optimize constructability, safety, settlement performance and cost. By considering soil treatment, retaining systems and foundations together, VSL can propose solutions adapted to the site conditions, structural loads and project constraints.

Ground anchors stabilise retaining walls, excavations, slopes, dams, quay walls and other structures by transferring tensile forces into stable soil or rock.

Piles transfer loads to deeper ground layers. Micropiles are smaller-diameter piles often used where access is restricted or existing foundations need strengthening.

A diaphragm wall is a deep reinforced concrete wall built in the ground to retain soil, control groundwater and form part of underground structures.

Yes. In countries where VSL has developed strong ground engineering capabilities, such as the UK, Australia and Hong Kong, diaphragm walls are part of our expertise. VSL can support deep excavations, retaining structures, underground barriers and groundwater control, depending on local capabilities and project requirements.

The right solution depends on soil and rock conditions, loads, groundwater, access, programme, durability requirements and the intended use of the structure.

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Need ground engineering expertise for your project?

Contact our teams to discuss your ground conditions, foundation needs or excavation challenges.