Cited by 36Innovations in Concrete and Construction MaterialsAdditive Manufacturing and 3D Printing TechnologiesPlanetary Science and Exploration

Additive construction using basalt regolith fines

Open access
Mueller, Robert P., Sibille, Laurent, Hintze, Paul E., Lippitt, Thomas C., Mantovani, James G., Nugent, Matthew W., Townsend, Ivan I.·2015·Earth and Space 2014

Abstract

Planetary surfaces are often covered in regolith (crushed rock), whose geologic origin is largely basalt. The lunar surface is made of small-particulate regolith and areas of boulders located in the vicinity of craters. Regolith composition also varies with location, reflecting the local bedrock geology and the nature and efficiency of the micrometeorite-impact processes. In the lowland mare areas (suitable for habitation), the regolith is composed of small granules (20–100 microns average size) of mare basalt and volcanic glass. Impacting micrometeorites may cause local melting, and the formation of larger glassy particles, and this regolith may contain 10–80% glass. Studies of lunar regolith are traditionally conducted with lunar regolith simulant (reconstructed soil with compositions patterned after the lunar samples returned by Apollo). The NASA Kennedy Space Center (KSC) Granular Mechanics & Regolith Operations (GMRO) lab has identified a low fidelity but economical geo-technical simulant designated as Black Point-1 (BP-1). It was found at the site of the Arizona Desert Research and Technology Studies (RATS) analog field test site at the Black Point lava flow in adjacent basalt quarry spoil mounds. This paper summarizes activities at KSC regarding the utilization of BP-1 basalt regolith and comparative work with lunar basalt simulant JSC-1A as a building material for robotic additive construction of large structures. In an effort to reduce the import or in-situ fabrication of binder additives, we focused this work on in-situ processing of regolith for construction in a single-step process after its excavation. High-temperature melting of regolith involves techniques used in glassmaking and casting (with melts of lower density and higher viscosity than those of metals), producing basaltic glass with high durability and low abrasive wear. Most Lunar simulants melt at temperatures above 1100°C, although melt processing of terrestrial regolith at 1500°C is not uncommon. These temperatures are achievable by laser heating or by using solar concentrators. Similar to volcanic magma, the cooling rate determines the crystallite size—slower cooling develops larger crystals, and rapid quenching can result in fully amorphous glass.

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Crossref · 10.1061/9780784479179.042

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  • Mueller et al. concluded that the technology is still in its early stages of development and further research is necessary to fully realize its potential.

    “Despite these promising results, the researchers concluded that the technology is still in its early stages of development and that further research is necessary to fully realize its potential [242].”
  • Mueller et al. melted and extruded BP-1 basalt regolith and JSC-1A Lunar regolith simulant using a robotic arm to explore extrusion-based additive manufacturing for Lunar-based construction.

    “In a study carried out at NASA's Kennedy Space Center, Mueller et al. [242] melted and extruded BP-1 basalt regolith and JSC-1A Lunar regolith simulant using a robotic arm to explore the potential of extrusion-based additive manufacturing for Lunar-based construction.”

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Authors
Mueller, R. P., Sibille, L., Hintze, P. E., Lippitt, T. C., Mantovani, J. G., Nugent, M. W., & Townsend, I. I.
Affiliations
Kennedy Space Center (US)
Venue
Earth and Space 2014
Published
2015-06-10
Pages
394-403
OpenAlex
W117567600
Cited by
36
References
10
Citations by year
2025: 8 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 5 · 2019: 3 · 2018: 7 · 2016: 2 · 2015: 1
FWCI
6.94
Type
conference paper
Language
en
Open access
Locations
  • ASCE International Conference on Engineering, Science, Construction, and Operations in Challenging Environments (Earth and Space) (publishedVersion)
  • NASA STI Repository (National Aeronautics and Space Administration) (submittedVersion)
Topics
  • Physical Sciences › Engineering › Building and Construction › Innovations in Concrete and Construction Materials
  • Physical Sciences › Engineering › Automotive Engineering › Additive Manufacturing and 3D Printing Technologies
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
Keywords
lunar regolith simulant, in-situ resource utilization, glassy basalt, lunar habitation, laser heating, solar concentrators, crystallite size, quenching, micrometeorite impacts

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