Dynamic Characteristics of Green Sandstone Subjected to Repetitive Impact Loading: Phenomena and Mechanisms

A split Hopkinson pressure bar apparatus driven by a pendulum hammer was used to perform uniaxial compression tests to examine the degradation process of green sandstone subjected to repetitive impact loading. The acoustic characteristics, dissipated energy, deformation characteristics, and microstr...

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Veröffentlicht in:	Rock mechanics and rock engineering 2018-06, Vol.51 (6), p.1921-1936
Hauptverfasser:	Li, S. H., Zhu, W. C., Niu, L. L., Yu, M., Chen, C. F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Axial strain Civil Engineering Compression Compression tests Crack initiation Cracks Deformation Deformation mechanisms Degradation Dilation Direction Dissipation Dynamic characteristics Earth and Environmental Science Earth Sciences Elongation Evolution Fracture mechanics Fractures Frequency spectra Geophysics/Geodesy Impact damage Impact loads Low level Microcracks Microstructure Original Paper Peak frequency Rocks Sandstone Sediment samples Sedimentary rocks Seismic velocities Split Hopkinson pressure bars Stability Stability analysis Stone Strain Strain rate Stress-strain curves Structural stability Velocity Wave velocity
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