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Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings

  • Jun-Zhong Liu EMAIL logo , Jin-Yu Xu , Xiao-Cong Lv , De-Hui Zhao and Bing-Lin Leng
Published/Copyright: April 20, 2012
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International Journal of Nonlinear Sciences and Numerical Simulation
From the journal International Journal of Nonlinear Sciences and Numerical Simulation Volume 13 Issue 2

Abstract

In order to investigate rock dynamic mechanical properties of amphibolites, sericite-quartz schist and sandstone under the different strain rates varying from 30 s-1 to 150 s-1, the specimens were subjected to axial impact at different projectile speeds by using the split Hopkinson pressure bar (SHPB) of 100 mm in diameter. The optimal experimental size of rock samples is verified by analyzing the stress equilibrium of cylindrical rock samples in different thicknesses. It has studied the mechanic properties of these three rocks which under impact loadings; and analysed the dynamic compressive strength, failure modes, energy dissipation variation with the strain-rate and the strain-rate hardening effect from the perspective of material microstructure. Experimental results show that the dynamic Young’s modulus of rock samples increase with strain-rate slightly. The dynamic failure modes of different rock samples are always different. When at a lower strain-rate, the damage of sandstone takes a peeling off the external radial tensile failure mode, but that of amphibolites takes axial splitting mode; when at a higher strain-rate, sandstone takes granular crushing failure mode, and that of amphibolites and of sericite-quartz schist take massive crushing mode. Significant strain-rate effect can be represented by a linear relation between the specific energy absorption and the strain-rate , or between the dynamic strength increase factor η and .

Keywords: Rock mechanics; SHPB; amphibolites; sericite-quartz schist; sandstone; strain-rate; specific energy absorption; dynamic strength increase factor
PACS®(2010): 91.60.−x; 62.20.−x
Received: 2011-11-19
Accepted: 2011-11-23
Published Online: 2012-4-20
Published in Print: 2012-4-1

©2012 by De Gruyter

Articles in the same Issue

  1. Masthead
  2. Effect of Aging Treatment on Dynamic Behavior of Mg-Gd-Y Alloy
  3. Effect of Aging Treatment on Dynamic Behavior of Mg-Gd-Y Alloy
  4. On the Energy of Dynamic Fractures
  5. On the Energy of Dynamic Fractures
  6. Analysis of Thermoviscoplastic Effects on Dynamic Necking of Pure Copper Bars during Impact Tension
  7. Analysis of Thermoviscoplastic Effects on Dynamic Necking of Pure Copper Bars during Impact Tension
  8. Mechanism of High-velocity Projectile Penetration into Concrete
  9. Mechanism of High-velocity Projectile Penetration into Concrete
  10. A Spherical Cavity Expansion Penetration Model for Concrete Based on Hoek–Brown Strength Criterion
  11. A Spherical Cavity Expansion Penetration Model for Concrete Based on Hoek–Brown Strength Criterion
  12. Fabrication and Mechanical Properties of a Micro/Nanoscale Hybrid Composite
  13. Fabrication and Mechanical Properties of a Micro/Nanoscale Hybrid Composite
  14. Strain Rate Effects on the Interaction between an Eccentric Matrix Crack and a Circular Inclusion in Composites under Dynamic Loadings
  15. Multiscale Analysis of Particle Size-dependent Steady Compaction Waves in Granular Energetic Materials
  16. Multiscale Analysis of Particle Size-dependent Steady Compaction Waves in Granular Energetic Materials
  17. Numerical Simulation of Liquid-Fueled Detonations by an Eulerian–Lagrangian Model
  18. Numerical Simulation of Liquid-Fueled Detonations by an Eulerian–Lagrangian Model
  19. Effects of HMX Particle Size on the Shock Initiation of PBXC03 Explosive
  20. Effects of HMX Particle Size on the Shock Initiation of PBXC03 Explosive
  21. Investigation into the Spall Strength of Cast Iron
  22. Investigation into the Spall Strength of Cast Iron
  23. Numerical Analysis of Shockwave Propagation in Urban Underpass
  24. Numerical Analysis of Shockwave Propagation in Urban Underpass
  25. Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings
  26. Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings
  27. Frontmatter
  29. Effect of Aging Treatment on Dynamic Behavior of Mg-Gd-Y Alloy
  30. On the Energy of Dynamic Fractures
  31. Analysis of Thermoviscoplastic Effects on Dynamic Necking of Pure Copper Bars during Impact Tension
  32. Mechanism of High-velocity Projectile Penetration into Concrete
  33. A Spherical Cavity Expansion Penetration Model for Concrete Based on Hoek–Brown Strength Criterion
  34. Fabrication and Mechanical Properties of a Micro/Nanoscale Hybrid Composite
  35. Strain Rate Effects on the Interaction between an Eccentric Matrix Crack and a Circular Inclusion in Composites under Dynamic Loadings
  36. Multiscale Analysis of Particle Size-dependent Steady Compaction Waves in Granular Energetic Materials
  37. Numerical Simulation of Liquid-Fueled Detonations by an Eulerian–Lagrangian Model
  38. Effects of HMX Particle Size on the Shock Initiation of PBXC03 Explosive
  39. Investigation into the Spall Strength of Cast Iron
  40. Numerical Analysis of Shockwave Propagation in Urban Underpass
  41. Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings
https://doi.org/10.1515/ijnsns-2011-0121
Keywords for this article
Rock mechanics; SHPB; amphibolites; sericite-quartz schist; sandstone; strain-rate; specific energy absorption; dynamic strength increase factor

Articles in the same Issue

  1. Masthead
  2. Effect of Aging Treatment on Dynamic Behavior of Mg-Gd-Y Alloy
  3. Effect of Aging Treatment on Dynamic Behavior of Mg-Gd-Y Alloy
  4. On the Energy of Dynamic Fractures
  5. On the Energy of Dynamic Fractures
  6. Analysis of Thermoviscoplastic Effects on Dynamic Necking of Pure Copper Bars during Impact Tension
  7. Analysis of Thermoviscoplastic Effects on Dynamic Necking of Pure Copper Bars during Impact Tension
  8. Mechanism of High-velocity Projectile Penetration into Concrete
  9. Mechanism of High-velocity Projectile Penetration into Concrete
  10. A Spherical Cavity Expansion Penetration Model for Concrete Based on Hoek–Brown Strength Criterion
  11. A Spherical Cavity Expansion Penetration Model for Concrete Based on Hoek–Brown Strength Criterion
  12. Fabrication and Mechanical Properties of a Micro/Nanoscale Hybrid Composite
  13. Fabrication and Mechanical Properties of a Micro/Nanoscale Hybrid Composite
  14. Strain Rate Effects on the Interaction between an Eccentric Matrix Crack and a Circular Inclusion in Composites under Dynamic Loadings
  15. Multiscale Analysis of Particle Size-dependent Steady Compaction Waves in Granular Energetic Materials
  16. Multiscale Analysis of Particle Size-dependent Steady Compaction Waves in Granular Energetic Materials
  17. Numerical Simulation of Liquid-Fueled Detonations by an Eulerian–Lagrangian Model
  18. Numerical Simulation of Liquid-Fueled Detonations by an Eulerian–Lagrangian Model
  19. Effects of HMX Particle Size on the Shock Initiation of PBXC03 Explosive
  20. Effects of HMX Particle Size on the Shock Initiation of PBXC03 Explosive
  21. Investigation into the Spall Strength of Cast Iron
  22. Investigation into the Spall Strength of Cast Iron
  23. Numerical Analysis of Shockwave Propagation in Urban Underpass
  24. Numerical Analysis of Shockwave Propagation in Urban Underpass
  25. Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings
  26. Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings
  27. Frontmatter
  29. Effect of Aging Treatment on Dynamic Behavior of Mg-Gd-Y Alloy
  30. On the Energy of Dynamic Fractures
  31. Analysis of Thermoviscoplastic Effects on Dynamic Necking of Pure Copper Bars during Impact Tension
  32. Mechanism of High-velocity Projectile Penetration into Concrete
  33. A Spherical Cavity Expansion Penetration Model for Concrete Based on Hoek–Brown Strength Criterion
  34. Fabrication and Mechanical Properties of a Micro/Nanoscale Hybrid Composite
  35. Strain Rate Effects on the Interaction between an Eccentric Matrix Crack and a Circular Inclusion in Composites under Dynamic Loadings
  36. Multiscale Analysis of Particle Size-dependent Steady Compaction Waves in Granular Energetic Materials
  37. Numerical Simulation of Liquid-Fueled Detonations by an Eulerian–Lagrangian Model
  38. Effects of HMX Particle Size on the Shock Initiation of PBXC03 Explosive
  39. Investigation into the Spall Strength of Cast Iron
  40. Numerical Analysis of Shockwave Propagation in Urban Underpass
  41. Experimental Study on Dynamic Mechanical Properties of Amphibolites, Sericite-quartz Schist and Sandstone under Impact Loadings
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