Long-term chemically induced crumbling of unsaturated brittle geomaterials

不饱和脆性岩土材料的长期化学诱导破碎

• 批准号: DP190103487
• 负责人: Prof Itai Einav
• 金额: $ 29.8万
• 依托单位: The University of Sydney
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2019
• 资助国家: 澳大利亚
• 起止时间: 2019-06-10 至 2023-03-15
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP190103487
• 关键词: Long; term; chemically; induced; crumbling

This project will investigate the crumbling of geomaterials such as soil and rock by analysing the microscopic mechanisms controlling their deterioration in acidic water. The project will help predict weathering processes using an experimentally validated theory and innovative pore-scale numerical simulations. Expected outcomes include a detailed knowledge of the multi-scale interactions between brittle geomaterials and acidic water, leading to accurate forecasts of the long-term response of large-scale geotechnical structures. This project should provide significant benefits by improving soil management for mining remediation, increasing carbon dioxide storage efficiency, and preventing the deterioration of tailings dams.

该项目将通过分析控制土壤和岩石在酸性水中恶化的微观机制来研究土壤和岩石等岩土材料的破碎。该项目将利用实验验证的理论和创新的孔隙尺度数值模拟来帮助预测风化过程。预期结果包括脆性岩土材料与酸性水之间多尺度相互作用的详细知识，从而准确预测大型岩土结构的长期响应。该项目通过改善矿山修复的土壤管理，提高二氧化碳的储存效率，防止尾矿坝的恶化，可以带来显著的效益。