B. Dotson, D. Valencia, C. Millwater, P. Easter, J. Long-Fox, D. Britt, P. Metzger | 2024 | Icarus
DOI 10.1016/j.icarus.2024.115943Review state
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This study investigates the shear strength and cohesion of lunar and Martian regolith simulants, focusing on the effects of particle size distribution, bulk density, and atmospheric water content. Generalized equations are established for predictive modeling and testing of future space missions. This study investigates the cohesion and mechanical behavior of lunar and asteroid regolith simulants under various compaction conditions. The research focuses on understanding how factors such as particle size distribution, compaction pressure, and moisture content influence the strength and deformation characteristics of these materials. The findings are critical for the design of future lunar and asteroid surface habitats, as well as for the development of in-situ resource utilization technologies. The provided text appears to be a mix of technical data and metadata related to a scientific paper or report. It includes references to figures, experimental setups, and equipment such as a direct shear apparatus, HP-500 force gauge, and translation servo. The text also contains URLs pointing to image and document files hosted on a cloud storage service, likely for supplementary materials or t
These are the records this paper contributes to the simulant, returned sample, method, and property browsers.
Apollo and Luna | compared
Atmospheric water content effects
environmental testing | environmental impact analysis
Shear testing
Mechanical testing
Particle size analysis
Material characterization
Cohesion and Shear Strength of Compacted Lunar and Martian Regolith Simulants
Shear strength and cohesion
Exponential Growth Constant and Particle Size Distribution
Shear strength and cohesion
Shear strength and cohesion measurement
Mechanical testing
Effect of absorbed atmospheric water
Environmental testing
Direct shear measurements
geotechnical testing
Particle size distribution
Measured using cumulative and differential methods
Normal stress
0.1 kPa
Force measurement
HP-500 force gauge
Shear testing
Direct shear apparatus
Cohesion
Exponential increase with bulk density
Exponential Growth Constant
Dependent on particle size distribution
Cohesion
Dependent on particle size, surface area, electrostatic forces, and moisture content
Shear strength
Dependent on normal stress, cohesion, and internal friction angle