Summary

This paper reviews advancements in solidification technologies for lunar regolith-based building materials and highlights the need for improved lunar environment simulation techniques, particularly for 1/6 g gravity, to assess in situ applicability. The paper discusses challenges in lunar exploration due to extreme environments and the need for lunar regolith-based construction technologies. It reviews current progress and challenges in solidification technologies and simulation systems for lunar environments. This paper discusses solidification technologies for lunar regolith-based building materials, focusing on reaction solidification, particularly alkali-activated solidification. It presents chemical compositions of lunar regolith samples and simulants, including Apollo and Chang'e-5 samples, and JSC-1, CUMT-1, and BH-1 simulants. The paper discusses solidification technologies for lunar regolith-based building materials under extreme lunar environments, focusing on alkali activation, hydrothermal solidification, and sintering/melting methods. It highlights the compatibility of lunar regolith with alkali-activated systems and the challenges of maintaining curing conditions on t

Methods and applications