Investigation into the high strain-rate behavior of compacted sand using the split-Hopkinson pressure bar technique

Conference · Tue Jan 01 04:00:00 EST 1985

OSTI ID:6006769

Felice, C W; Brown, J A; Gaffney, E S; Olsen, J M

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 Inst. of Tech., Wright-Patterson AFB, OH (USA); Los Alamos National Lab., NM (USA); Utah Univ., Salt Lake City (USA)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 6006769
• Report Number(s): LA-UR-84-4025; CONF-850466-1; ON: DE85005560
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420500* -- Engineering-- Materials Testing
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS
POROSITY
SAMPLE PREPARATION
SAND
STRAINS
STRESSES
WATER