Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...9026165h&link_type=abstract
Advanced Missions Space Design Program Georgia Inst. of Tech., Atlanta. School of Mechanical Engineering.
Physics
Environmental Tests, Gravitational Effects, Lunar Environment, Lunar Soil, Mechanical Properties, Soil Science, Basalt, Penetration, Penetrometers, Shear Strength, Static Loads, Vacuum Chambers
Scientific paper
An experimental procedure was devised to investigate the effects of the lunar environment on the physical properties of simulated lunar soil. The test equipment and materials used consisted of a vacuum chamber, direct shear tester, static penetrometer, and fine grained basalt as the simulant. The vacuum chamber provides a medium for applying the environmental conditions to the soil experiment with the exception of gravity. The shear strength parameters are determined by the direct shear test. Strength parameters and the resistance of soil penetration by static loading will be investigated by the use of a static cone penetrometer. In order to conduct a soil experiment without going to the moon, a suitable lunar simulant must be selected. This simulant must resemble lunar soil in both composition and particle size. The soil that most resembles actual lunar soil is basalt. The soil parameters, as determined by the testing apparatus, will be used as design criteria for lunar soil engagement equipment.
Butler Todd
Cline Charles
Hutcheson Linton
Scruggs Steve
Smith Mike
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