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lunar In situ Large-Scale construction:Quantitative Evaluation of Regolith Solidification Techniques

Engineering 2024年第8期39卷 204-221页

作者： Charun Bao Daobo Zhang Qinyu Wang Yifei Cui Peng Feng MOE Key Laboratory of Civil Engineering Safety and Durability Department of Civil EngineeringTsinghua UniversityBeijing 100084China State Key Laboratory of Hydroscience and Engineering Tsinghua UniversityBeijing 100084China

lunar habitat construction is crucial for successful lunar exploration *** to the limitations of transportation conditions,extensive global research has been conducted on lunar in situ material processing techniques in recent *** aim of this paper is to provide a comprehensive review,precise classification,and quantitative evaluation of these approaches,focusing specifically on four main approaches:reaction solidification(RS),sintering/melting(SM),bonding solidification(BS),and confinement formation(CF).Eight key indicators have been identified for the construction of low-cost and highperformance systems to assess the feasibility of these methods:in situ material ratio,curing temperature,curing time,implementation conditions,compressive strength,tensile strength,curing dimensions,and environmental *** scoring thresholds are determined by comparing the construction requirements with the actual *** the evaluated methods,regolith bagging has emerged as a promising option due to its high in situ material ratio,low time requirement,lack of hightemperature requirements,and minimal shortcomings,with only the compressive strength falling below the neutral *** compressive strength still maintains a value of 2–3 *** proposed construction scheme utilizing regolith bags offers numerous advantages,including rapid and large-scale construction,ensured tensile strength,and reduced reliance on equipment and *** this study,guidelines for evaluating regolith solidification techniques are provided,and directions for improvement are *** proposed lunar habitat design based on regolith bags is a practical reference for future research.

关键词： lunar habitats lunar in situ construction Regolith bag Solidification and formation In situ materials Evaluation method

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