Investigation into the high strain-rate behavior of compacted sand using the split-Hopkinson pressure bar technique
The results of compressive high strain-rate experiments on compacted sand are presented. Experiments were conducted on a 60.3 mm split Hopkinson pressure bar (SHPB). The experiments showed that the assumptions necessary for a valid SHPB experiment are satisfied when using compacted sand samples constrained to a nearly uniaxial strain state. Results show that the sample stress-strain response is governed principally by the initial sample gas porosity, and that no strain-rate dependence is exhibited at sample strains less than the initial gas porosity. Several stress-strain curves are presented for samples prepared at several combinations of moisture content and density with applied stresses and strain rates up to 520 MPa and 4000 sec/sup -1/, respectively.
- Research Organization:
- Air Force Institute of Technology, Wright-Patterson AFB, OH (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Univ. of Utah, Salt Lake City, UT (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6006769
- Report Number(s):
- LA-UR-84-4025; CONF-850466-1; ON: DE85005560
- Resource Relation:
- Conference: 2. symposium on the interaction of non-nuclear munitions with structures, Panama City, FL, USA, 15 Apr 1985
- Country of Publication:
- United States
- Language:
- English
Similar Records
Uniaxial strain testing of soils in a split Hopkinson pressure bar
Miniature Beryllium Split-Hopkinson Pressure Bars for Extending the Range of Achievable Strain-Rates