Soil strength measurements in Martian analogue material

Details Soil strength measurements in Martian analogue material Soil strength measurements in Martian analogue material

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....9690k&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #9690

Physics

Scientific paper

Due to recent and upcoming space missions to the planet Mars the physical properties of the surface material are in the focus of interest. Mechanical and thermal properties, but also electrical and chemical parameters, are investigated. Most of these properties of a planetary surface are closely related to the texture of the material. Thus, combined measurements try to get a better view of Martian soil via soil analogue material. We report on a series of experiments performed in our laboratory, measuring mainly the penetration resistance of various Martian soil analogue samples. In a first step towards a micro-mechanical model we use current models to derive mechanical parameters like shear strength and angle of internal friction. This experiments are done mainly in the context of the Mars NetLander SPICE instrument.

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