Behavior of Rock in Multi-Axial States of Stress

岩石在多轴应力状态下的行为

• 批准号: 9604684
• 负责人: Joseph Labuz
• 金额: $ 5.02万
• 依托单位: University of Minnesota-Twin Cities
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-08-15 至 2002-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9604684&HistoricalAwards=false
• 关键词: Behavior; Rock; Multi; Axial; States

Abstract 96-04684 PI: Joseph F. Labuz, University of Minnesota "Behavior of Rock in Multi-Axial States of Stress" This CONACyT award supports a collaborative research project planned between faculty at the University of Minnesota and the Engineering Institute of the National Autonomous University of Mexico. The project will combine analytical modeling from Mexico and experimental testing and field monitoring from Minnesota. The project is associated with work currently underway under NSF grant CMS-9532061 entitled "Assessing the Onset of Failure Through Acoustic Emissions." The research involves multi-axial compression testing of soft rock-like materials, establishing the peak and post- peak behavior and shear strength parameters, and using acoustic emission techniques to monitor an excavation likely to develop failure or progressive failure during construction. A novel piece of equipment, the University of Minnesota Plane-Strain Apparatus will be used in the testing. ****

摘要96-04684 PI：Joseph F. Labuz，明尼苏达大学“岩石在多轴应力状态下的行为” 这个CONACyT奖支持明尼苏达大学和墨西哥国立自治大学工程学院之间的合作研究项目。 该项目将把墨西哥的联合收割机分析模型与明尼苏达州的实验测试和现场监测结合起来。 该项目与NSF资助CMS-9532061“通过声发射评估故障开始”下正在进行的工作有关。" 该研究涉及软岩类材料的多轴压缩试验，建立峰值和峰值后的行为和抗剪强度参数，并使用声发射技术来监测施工期间可能发生破坏或渐进破坏的开挖。 一种新型的设备，明尼苏达大学平面应变仪将用于测试。 ****