Reports

Surveyor V: Lunar Surface Mechanical Properties

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Science  03 Nov 1967:
Vol. 158, Issue 3801, pp. 637-640
DOI: 10.1126/science.158.3801.637

Abstract

The mechanical properties of the lunar soil at the Surveyor V landing site seem to be generally consistent with values determined for soils at the landing sites of Surveyor I and III. These three maria sites are hundreds of kilometers apart. However, the static bearing capability may be somewhat lower than that at the previous landing sites (2 x 105 to 6 x 105 dynes per square centimeter or 3 to 8 pounds per square inch). The results of the erosion experiment, the spacecraft landing effects, and other observations indicate that the soil has significant amounts of fine-grained material and a measurable cohesion.

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