地聚合物基月球混凝土及其3D打印原位建造设想

A conception of geopolymer-based lunar soil concrete and its in-situ construction by 3D printing

  • 摘要: 月球基地建设是未来深空探测的关键支撑环节。文章基于国内外研究成果,探讨了原位利用月球资源研制地聚合物混凝土并进行基地建造的可行性。结果显示:地聚合物混凝土所需原材料90%以上可来源于月球原位资源,且在月球环境下具有良好的耐极端环境性能;基于挤出打印和粉末打印成型工艺,地聚合物材料可满足月球环境的施工需求与环境要求。总之,利用月球原位资源有望实现基于地聚合物的月球基地原位建造设想;但该设想尚处于概念设计阶段,仍然需要相关理论支撑、系统试验研究和可行性评估。

     

    Abstract: The construction of the lunar base is a key step for the deep space exploration in the future. Based on a review of literature at home and abroad, the feasibility of developing the geopolymer concrete from the in-situ lunar resources is discussed, together with the possibility of the geopolymer used as the lunar base construction material. It is shown that 90% of the raw material for preparing the geopolymer concrete can be obtained from lunar resources, and the geopolymer can withstand the compound lunar environment. The printability of the geopolymer by the extrusion printing and the powder printing is also discussed, which validates the feasibility of the 3D printed geopolymer. It is shown that the geopolymer concrete can meet the construction requirements and has adequate environmental adaptability under the lunar environment. The use of the geopolymer material for the in-situ construction of the lunar base is conceptually feasible, while further theoretical analyses and experimental assessments are still needed.

     

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