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Jason Redgers, Dr Serhat Baycan & Dr Philipp Schober from BAUER Spezialtiefbau GmbH
The stability of slopes, specially when consisting of soft cohesive soils or liquefiable granular material, can be compromised during seismic event and lead to major failures. Lateral spreading or sliding failure can be induced by reduced shear strength and horizontal acceleration during a seismic event. Soil improvement techniques can be used to increase the shear strength and mitigate the risk of liquefaction and lateral spreading. Reinforcement and compaction techniques, alone or in combination, are most suitable to overcome slope stability problems. Advanced design, using 3D-FE analysis can be further applied to provide technically and commercially optimized soil improvement solutions.