Abstract
Understanding the behavior of lunar regolith is important for designing the in-situ test equipment and building structures on the moon for the futuristic moon colonization. The Apollo missions brought back a small quantity of lunar soil to earth to assess the geotechnical properties of the lunar soil. However, it is essential to develop a lunar soil simulant (LSS) that is inexpensive and produced in large quantities to fulfill the extended research on lunar regolith. This paper presents the physical properties like specific gravity, particle size distribution, relative densities, etc., of a newly developed lunar soil simulant (LSS) for Chandrayaan missions. The triaxial test was conducted on the LSS at different confining pressures to discuss the influence of confining pressure on the stress–strain behavior of the LSS. The cyclic triaxial test was performed to find the dynamic properties like shear modulus, damping ratio, bulk modulus, and Poisson’s ratio of the LSS. The results were compared with the lunar soil Apollo 16 and simulants like GRC-3 and JSC-1A. The results evidence that the new LSS has similar properties of the lunar soil and can be used for future extended research about the lunar regolith.
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