Among the various instruments which have been developed for performing post-landing experiments on the lunar surface from an unmanned spacecraft are several that provide means for observing how the lunar material responds to applied stresses. These include: penetration-hardness gages; soil-mechanics test apparatus; a subsurface-sampling rock drill; a surface-sample collector. The design and operating features and the range of application of each of these four devices are reviewed in this paper.
Review of Techniques for Measuring Rock and Soil Strength Properties at the Surface of the Moon
Sae Technical Papers
Pre-1964 SAE Technical Papers ; 1906
01.01.1963
Aufsatz (Konferenz)
Englisch
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