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Assess the degradation of sandstone cultural relics under various environmental conditions.

January 14, 2026Applied SciencesOpen Access

Study on the Deterioration Characteristics of Sandstone Cultural Relics Under the Synergistic Action of Dry-Wet Cycles and Acids, Alkalis, Salts and Composite Solutions

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Analysis shows sodium hydroxide and diopside presence worsen sandstone deterioration, indicating severe impact from environmental solutions.

Assess the degradation of sandstone cultural relics under various environmental conditions.
Analyzed sandstone towers of Huachi Stone Statue in various solution environments
Examined changes in chemical composition, surface microstructure, and mechanical properties
Investigated effects of dry-wet cycles along with environmental solutions
Distilled water had the least impact on sandstone mineral composition
Sodium hydroxide and gypsum significantly contributed to deterioration
Acidic and alkaline solutions exacerbated damage compared to single solutions

Zhang et al. (2026) studied this question.

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Analysis shows sodium hydroxide and diopside presence worsen sandstone deterioration, indicating severe impact from environmental solutions.