A detailed review on international advances of raw soil materials, from the aspects of physical and mechanical performance, modification theory and measures, durability, and functionalization, is presented. Modification mechanism and influence on properties of raw soil materials of the lime, cement, fiber and composite modification methods are discussed. Existing problems in research and application are analyzed deeply. A design idea of modified raw soil materials which can collapse and then be degraded timely is proposed according to the author's research work.%详细综述了生土材料在物理力学性能、改性理论与措施、耐久性和功能化方面的国内外研究进展,探讨了石灰、水泥、纤维以及复合改性方法等对生土材料性能的影响及各自的改性机理,分析了目前生土材料研究和应用中存在的问题,结合笔者的研究提出了可适时崩解回归自然的改性生土材料的设计思路.
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