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Water

Tunnel water ingress controlLeaks and inflow stopped in tunnels, shafts and underground structures.Crack and joint injectionLeaking cracks and joints sealed, and structural cracks bonded, in concrete and masonry.Waterproofing and polyurea liningsPU membranes and polyurea linings for decks, tanks, tunnels and water structures.

Tunnels

Pre- and post-excavation groutingWater cut off and weak ground consolidated ahead of the face; voids closed behind it.Cavity and void fillingVoids above tunnel crowns, behind linings and under slabs filled without loading the support.Tunnel rehabilitationOld and operating tunnels: seepage stopped, ground consolidated and lining repaired, under traffic.

Ground

Track and slab re-levellingSettled ballastless track and slabs lifted back to level by PU injection, on live lines.Permeation and chemical groutingWeak, loose or wet ground strengthened and sealed by resins and gels that fill it without moving it.TAM groutingStaged grouting through sleeve pipes for shafts, foundations and deep excavations.Curtain and consolidation groutingSeepage cut-offs and foundation consolidation for dams, barrages, shafts and structures.Ground investigation and monitoringERT, GPR and MASW surveys, boreholes, lab tests and instruments, before and after treatment.

Rock, slopes and mines

Rock bolting and self-drilling anchorsRock bolts, self-drilling and prestressed anchors for tunnels, portals, slopes and caverns.Slope stabilisationSoil nails, anchors, mesh, drainage and rockfall barriers for slopes above roads, railways and towns.Mine shaft and strata treatmentWater sealed in shafts and declines; weak roof and face strata consolidated with resins and bolts.
All services →Grouts and resins we make →

Railways

RailwaysSettled track, transition zones and wet tunnels on running lines.

Tunnels and metro

Tunnels and metroWater, cavities and weak ground in tunnels, shafts and metro works.

Hydropower and dams

Hydropower and damsSeepage, foundations, tunnels and slopes on hydro projects.

Mining

MiningWater in shafts and declines, and weak strata at faces and in roadways.

Water, ports and highways

Water, ports and highwaysWater tunnels and shafts, micro tunnels, pipelines, manholes and highway slopes.

Heritage and buildings

Heritage and buildingsSettlement, cracks and leaks in heritage structures and buildings in use.
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Services

Tunnel water ingress controlPre- and post-excavation groutingCavity and void fillingTunnel rehabilitationTrack and slab re-levellingPermeation and chemical groutingTAM groutingCurtain and consolidation groutingRock bolting and self-drilling anchorsSlope stabilisationCrack and joint injectionWaterproofing and polyurea liningsMine shaft and strata treatmentGround investigation and monitoring

Industries

RailwaysTunnels and metroHydropower and damsMiningWater, ports and highwaysHeritage and buildings

Sales

+91 99100 18144WhatsApp +91 99100 18144connect@geoconstech.com

Guides

Practical notes for engineers on ground and water problems: what causes them, how to find the cause, and the order of work that fixes them. Each one is drawn from work we have done and can document.

Also for site engineers: calculators for grouting work → PU grout mix and quantity, PU void filling, crack injection, holes under a footing, permeation volumes, Lugeon value, cement grout and units.

A ground or water problem on your site?

Send us what you see and where. An engineer reviews it and replies with the next step.

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