Stabilization of railway subgrade by lime-flyash slurry injection

喷石灰粉煤灰浆稳定铁路路基

• 批准号: LP0349174
• 负责人: Dr Asadul Haque
• 金额: $ 5.7万
• 依托单位: Monash University
• 依托单位国家: 澳大利亚
• 项目类别: Linkage Projects
• 财政年份: 2003
• 资助国家: 澳大利亚
• 起止时间: 2003-12-03 至 2007-11-28
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/LP0349174
• 关键词: Stabilization; railway; subgrade; lime; flyash

The rail network in Australia provides a major transport route for commuters as well as transportation of goods. The subgrade of railway track should provide adequate support for the overlying ballast and capping layers. Hence, a poor subgrade always results in track problems associated with uneven track, fouled ballast, and misalignment of the track. This project will investigate in detail the fundamental mechanisms and key parameters involved in the improvement of subgrade soil by injecting lime-flyash slurry. This project will develop an improved design procedure for lime-flyash slurry injection in the field based on experimental and numerical modelling.

澳大利亚的铁路网络为通勤者和货物运输提供了主要的运输路线。铁路轨道的路基应为上覆道碴层和盖层提供足够的支撑。因此，不良的路基总是会导致与轨道不平坦、道碴污染和轨道错位相关的轨道问题。本项目将详细研究注入石灰粉煤灰浆液改良路基土的基本机理和关键参数。该项目将基于实验和数值模拟，开发一种改进的石灰粉煤灰浆料现场注入设计程序。