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Martian buildings: structural forms using in-place sources.

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Innovative parabolic arch structures using Martian sulfur concrete offer an economical solution for Mars colonization. These designs minimize stress under Martian conditions, reducing costs and reliance on Earth-based materials.

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Area of Science:

  • Structural Engineering
  • Materials Science
  • Planetary Science

Background:

  • Terrestrial structural solutions are uneconomical for Mars due to high structural loads and low tensile strength of Martian binders.
  • Existing methods often rely on Earth-imported materials, increasing colonization costs.

Purpose of the Study:

  • To introduce and analyze novel structural forms for Martian habitats.
  • To address the economic challenges of Martian construction by utilizing in-situ resources.
  • To minimize tensile stresses under anticipated Martian environmental and impact loads.

Main Methods:

  • Development of three symmetric, optimum parabolic rotated arch shapes.
  • Utilization of in-place, waterless sulfur-based concrete as the primary construction material.
  • Analysis of structural models under simulated Martian loads (gravity, wind, marsquakes, impacts) using the implicit finite element method.

Main Results:

  • The proposed parabolic arch models demonstrated complete elastic behavior under all analyzed Martian structural loads.
  • Calculated stresses were significantly lower compared to two previously studied concrete structural forms.
  • The designs effectively minimize tensile stresses, a critical factor on Mars.

Conclusions:

  • The innovative parabolic arch structures are viable for Martian conditions.
  • Utilizing Martian sulfur concrete and optimized shapes drastically reduces the cost of Martian colonization.
  • These findings support reduced reliance on Earth-based resources for future space exploration infrastructure.