Geotechnical Engineering and Soil Mechanics

Geotechnical engineering and soil mechanics study how earth materials — sand, clay, gravel, and everything in between — deform, fail, or hold steady under the loads imposed by structures, earthquakes, and natural processes. One of the most consequential problems in the field is soil liquefaction, where saturated granular soils temporarily lose their strength during seismic shaking and behave like a fluid, a phenomenon responsible for catastrophic damage to buildings, roads, and infrastructure in earthquakes worldwide. Researchers are working to sharpen predictions of liquefaction potential by understanding how particle shape, grain breakage, and fabric influence a soil's resistance to shear, combining laboratory techniques such as cone penetration tests and centrifuge modelling with increasingly detailed numerical simulations of granular media at the grain scale. Central open questions involve how well macroscale field measurements can capture the microscale particle interactions that ultimately govern failure, and how to translate those insights into more reliable design guidance for foundations and ground-improvement strategies.

Works

60,521

Total citations

751,231

Keywords

Liquefaction ResistanceParticle Shape EffectsDeformation MeasurementShear DeformationCone Penetration TestsBreakage Mechanics