Tunnels

Soil Stabilization in LRT Construction Project

Performed microfine cement grouting and waterstop operations using polyurethane resins, and provided soil stabilization in cross passage tunnels along the road in a light rail transit (LRT) line construction project.

By |2025-02-10T11:35:08-04:00September 29th, 2020|Cement Grouting, Chemical Grouting, Tunnels, Water Cutoff|Comments Off on Soil Stabilization in LRT Construction Project

Cement Grouting to Fill Voids Behind a Tunnel Liner

Performed soil stabilization and microfine cement grout injection to fill voids around the tunnel liner at the Eglinton Crosstown Project in Downtown Toronto

By |2022-09-19T07:32:50-04:00September 29th, 2020|Cement Grouting, Soil Stabilization, Tunnels|Comments Off on Cement Grouting to Fill Voids Behind a Tunnel Liner

Pressure Grouting for Railway Repair

Our technical team developed a solution to lift train track crossings on wood ties by pressure grouting under the tracks. This new approach was fast, reliable and surprised the utility contractor, who had been looking for this solution for a long time.

By |2022-09-19T07:32:50-04:00September 28th, 2020|Chemical Grouting, Soil Stabilization, Tunnels|Comments Off on Pressure Grouting for Railway Repair

Soil Stabilization in Tunnel Construction Project

Provided soil stabilization for a complex tunnel project with several site restrictions including no drilling from surface and working in close proximity to sewer and water mains.

By |2022-09-19T07:32:56-04:00September 23rd, 2020|Chemical Grouting, Soil Stabilization, Tunnels, Water Cutoff|Comments Off on Soil Stabilization in Tunnel Construction Project

Tunnel Decommissioning using Cement Grouting

Engaged on a tunnel decommissioning project involving multiple stages of drilling and cement grouting work from the surface, to improve ground conditions prior to miners entering the tunnel for subsequent stages of decommissioning.

By |2022-09-19T07:32:57-04:00September 23rd, 2020|Cement Grouting, Tunnels|Comments Off on Tunnel Decommissioning using Cement Grouting

Innovative Water Cut Off Solution for a Hard Rock Tunnel

A large tunneling contractor found itself in a difficult situation with a large flowing water leak in a new rock tunnel 20 metres underground.

By |2022-09-19T07:31:26-04:00September 15th, 2020|Chemical Grouting, Tunnels, Water Cutoff|Comments Off on Innovative Water Cut Off Solution for a Hard Rock Tunnel

Water Cut-off Operation in Tunnel Construction

Performed a water cut-off operation for a large utilities company to stop water inflows in a tunnel construction project, using polyurethane resins.

By |2022-09-19T07:31:32-04:00September 14th, 2020|Chemical Grouting, Tunnels, Water Cutoff|Comments Off on Water Cut-off Operation in Tunnel Construction
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