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| Treatment of leakage on the tunnel bottom slab |
Concrete areas on the tunnel bottom slab with hollow defects |
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| Expansion joint – Contact angle between the wall and floor of undergound structure with flowing leakage |
Repair of various types of tunnels and technical trenches |
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| Remedial boring on the concrete basement floor which has hollows at the bottom caused by local soil collapse underneath |
Pumping specialized materials for remedial and waterproofing of tunnel concrete base slab. |
Waterproofing Solution | Construction Work Repair | Anti-corrosion Material | Concrete Admixture















