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NEW STRUCTURES
Transport infrastructure
As a specialist of structural systems and ground engineering, we provide bespoke solutions combining design and methods, in-house systems and project execution for the construction of transport infrastructure worldwide.
Ground engineering, post-tensioning, heavy lifting…: discover our solutions to cater for a complex architecture, difficult site conditions, accelerated schedules and more.
Industrial & energy-producing structures
As a specialist of structural systems and ground engineering, we provide bespoke solutions combining design and methods, in-house systems and project execution for the construction of industrial and energy-producing structures worldwide.
Existing Structures
We deliver bespoke inspections, preservation plans and maintenance operations to manage the ageing of structures and optimize their safety, durability and asset value.
As specialists of structural components, we specialise in the repair or replacement of parts of an asset that are essential to guarantee continued safe use. The repair or replacement of parts of an asset due to structural deterioration is essential to maintain or reinstate it in a condition that guarantees continued safe use. As specialists of structural components, VSL helps owners and asset managers to define a tailored-made solution balancing cost, safety, continuity of service, performance and durability.
- Repair
- Replacement
We offer structural modification solutions to accommodate new uses or requirements that help maintain a structure’s value, comply with the latest design codes and safety recommendations or answer to new needs.
VSL TECHNOLOGIES
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HORIZONTAL DIRECTIONAL
CORING

HORIZONTAL DIRECTIONAL CORING

A SINGLE HOLE TO RECOVER
RELEVANT GROUND PROPERTIES DATA
ALL ALONG A PLANNED TRAJECTORY

Technical Catalogue

Tunnel horizontal directional coring: What is at stake ?

For any underground construction project, owners and contractors must have a precise and exhaustive geological profile. With this profile, engineers are able to identify the presence and localization of faults. This information enables project teams to identify and adapt proper methods and routes needed in order to operate a Tunnel boring machine (TBM).

How can VSL help you ?

Through a single hole, Horizontal Directional Coring (HDC) can provide more precise and relevant ground information data than tens of conventional boreholes.

In particular, it provides with ground information for the entire route of the linear structure.

In some situations where traditional holes are impossible to dig, HDC is the only alternative.

What are the VSL tunnel horizontal directional coring solutions?

Design and engineering
Coring
Analysis reporting

VSL-Intrafor Horizontal Directional Coring Brochure

Solutions that can be combined with horizontal directional coring

Ground improvement

Construction of underground metro stations

Tunnel Access or ventilation shafts

Tunnel Box Jacking

Cut and cover tunnel