Bottom-up multiscale modelling of expansive soils in natural environments

膨胀土对环境高度敏感，会经历剧烈的强度和体积变化。本项目旨在加深我们对膨胀土在不同温度、水力条件、机械荷载和含水盐度条件下的理解。该项目预计将结合多学科知识、多尺度实验和数值模拟。研究成果为评价不同条件下膨胀土性能提供了一种新的多尺度模型和先进的分析设计工具。研究成果应为减轻膨胀土对基础设施造成的重大破坏提供有效途径，并促进膨胀土产品在废物处理系统中的应用。

Expansive soils, highly sensitive to the environment, undergo dramatic strength and volume changes. This project aims to advance our understanding of expansive soils under different temperatures, hydraulic conditions, mechanical loads, and aqueous salinities. The project expects to use a combination of multidisciplinary knowledge, multiscale experiments and numerical simulations. The outcomes are a new multiscale model and advanced analysis/design tool for evaluating the performance of expansive soils under different conditions. The outcomes should provide the efficient way to mitigate the significant damage caused to infrastructure by expansive soils and facilitate the application of expansive soil products in waste disposal systems.