Limestone quarry mined into a fault zone that was leaking about 1400 gpm of ground water.
Limestone quarry mined into a fault zone that was leaking about 1400 gpm of ground water.
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(724) 625-0008
Sub-Technical, Inc.
Aug 161 min
Leaking Sheet Piling Repaired with Polyurethane Grout
Leaking Sheet Piling Repaired with Polyurethane Grout
1 view
Sub-Technical, Inc.
Aug 21 min
Simple Karst Remediation with Polyurethane Grout
Simple Karst Remediation with Polyurethane Grout
8 views
Sub-Technical, Inc.
Mar 251 min
A tunnel passing through a fault zone was helped with polyurethane grout injection to contain the concrete fill.
A tunnel passing through a fault zone was helped with polyurethane grout injection to contain the concrete fill.
10 views
Sub-Technical, Inc.
Jan 161 min
Leaking Core Hole Sealed in Mine
Core Hole in a mine was leaking groundwater. It was sealed in with a high pressure injection probe and polyurethane grout.
6 views
Sub-Technical, Inc.
Dec 15, 20231 min
Wastewater Basin Exterior No Dig Polyurethane Grout Injection
Wastewater Basin Exterior No Dig Polyurethane Grout Injection
6 views
Sub-Technical, Inc.
Nov 14, 20231 min
Lake Spillway Water Leak Repaired with Polyurethane Grout Injection
Lake Spillway Water Leak Repaired with Polyurethane Grout Injection
6 views
Sub-Technical, Inc.
Sep 8, 20231 min
Mine Roof Control
Mine roof control with polyurethane injection.
8 views
Sub-Technical, Inc.
Aug 4, 20231 min
Elevator Shaft Repair
Elevator Shaft Repair with Polyurethane Grout Injection
3 views
Sub-Technical, Inc.
Jun 27, 20231 min
Tunnel Boring Machine Brushes and Tunnel Segments
Tunnel Boring Machine and Tunnel gets Polyurethane Grout Injection to control ground conditions.
15 views
Sub-Technical, Inc.
May 8, 20231 min
Polyurethane Grout Migrates through Rock
Polyurethane grout migrates through rock to control groundwater infiltration.
5 views
Sub-Technical, Inc.
Apr 20, 20231 min
Monitoring Shaft Decommissioned
Monitoring Shaft Decommissioned
6 views
Sub-Technical, Inc.
Mar 23, 20231 min
Open Pitt Mine Water Inflow
Open Pitt water inflow controlled with polyurethane grout.
10 views
Sub-Technical, Inc.
Mar 23, 20231 min
High Pressure Water Leak
High pressure water leak grouted with polyurethane grout.
21 views
Sub-Technical, Inc.
Mar 23, 20231 min
Sheet Pile Water Inflow
Sheet pile injected with polyurethane grout to stop water.
10 views
Sub-Technical, Inc.
Mar 23, 20231 min
Secant Piles Grouted with Polyurethane
Newly constructed secant piles can still have water infiltration. Polyurethane grouting contractor Sub-Technical, Inc. injected Hyperflex .
12 views
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