Landfill Waste-Body Investigation & Stability Assessment

Background

Settlement of a long-operating landfill had largely stabilized. A systematic geological investigation was needed to characterize internal state, leachate levels, drainage performance, gas yield and slope stability.

Challenge

The investigation had to be performed without disrupting ongoing operations, requiring non-destructive or minimally invasive techniques to detect drainage blockages, stratigraphic anomalies, and slope-stability risks within an aging waste body.

Solution

Multi-method approach: monitoring wells with ultrasonic level loggers, geophysical surveys, pump-out tests with gas monitoring, and numerical slope-stability simulation — yielding an integrated, multi-technique evaluation framework.

Results