3D Hopkinson bar: new experiments for dynamic testing on soils

Details 3D Hopkinson bar: new experiments for dynamic testing on soils 3D Hopkinson bar: new experiments for dynamic testing on soils

2009-01-23

arxiv.org/abs/0901.3716v1

Soils and foundations 39 (1999) 1-10

Physics

Classical Physics

Scientific paper

The direct analysis of the dynamic response of materials is possible using Split Hopkinson pressure bar method. For soils, it has to be adapted since the specimen has generally poor mechanical properties. An original experimental arrangement called "Three-Dimensional Split Hopkinson Pressure Bar" (3D SHPB) is proposed. It allows the measurement of the complete three-dimensional dynamic response of soils. Different types of confinement systems are used. The results on different loading paths are compared with other works on sand and clay. The analysis at grain-size level gives further elements on the comminution process.

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