Building Structures on the Moon and Mars: Engineering Challenges and Structural Design Parameters for Proposed Habitats Ramesh B. Malla, Ph.D., F. ASCE, A.F. AIAA Professor Department of Civil and Environmental Engineering University of Connecticut, Storrs, CT 06269 (E-Mail:
[email protected]) Presented at the Breakout Panel Session- Theme C - Habitats (Preparation and Architecture) RETH Workshop- Grand Challenges and Key Research Questions to Achieve Resilient Long-Term Extraterrestrial Habitats Purdue University; October 22-23, 2018 What is Structural Resiliency? Characterized by four traits: Robustness Ability to maintain critical functions in crisis Minimization of direct and indirect Resourcefulness losses from hazards through enhanced Ability to effectively manage crisis as it resistance and robustness to extreme unfolds events, as well as more effective Rapid Recovery recovery strategies. Reconstitute normal operations quickly and effectively Redundancy Backup resources to support originals Per: National Infrastructure Advisory Council, 2009 Hazard Sources & Potential Lunar Habitats Potential Hazard Sources Available Habitat Types Impact (Micrometeorite, Debris) Inflatable Hard Vacuum Membrane Extreme Temperature Rigid-Frame Structure Seismic Activity Hybrid Frame- Low Gravity “Bessel Crater” - https://www.lpi.usra.edu/science/kiefer/Education/SSRG2- Craters/craterstructure.html Membrane Radiation Structure Galactic Cosmic Rays (GCR) Subsurface Solar-Emitted Particles (SEP) Variants Malla, et al. (1995)