Dam seepage is one of the slow-burning structural emergencies in African infrastructure. It rarely fails a dam outright. It just makes every other element fail faster — the foundation, the abutments, the downstream slope.
Concrete dams
Seepage in concrete dams is usually about cold joints, construction lifts and aging waterstops. Modern remediation uses chemical and acrylic grouting curtains, applied from the upstream face.
Embankment dams
Embankment dams seep through the body or under the foundation. The fix depends on diagnosis - a piping problem in the body of an embankment dam requires geotextile and granular filter remediation, not grouting.
Diagnosis is everything
The single most common mistake on African dam projects is treating the symptom — the wet downstream face - without diagnosing the source. We use piezometry and dye tracing to find the source before we specify any remediation.
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