在印度加尔赫瓦尔喜马拉雅地区使用铁路道数据开发各种工程岩石质量分类系统之间的相关性
Md Alquamar Azad1, Taoufik Najeh2, Autar K Raina3,4
1Department of Geology (Centre for Advanced Studies), University of Delhi, Delhi, 110007, India. md.azaddu@gmail.com.
Scientific reports
|May 10, 2024
概括
这项研究使用来自喜马拉雅铁路道的数据评估了岩石质量分类系统之间的相关性. 开发了新的相关性,突出了复杂岩石条件需要重新审视现有的相关性.
科学领域:
- 地质技术工程 地质技术工程
- 岩石力学 岩石力学 岩石力学
- 工程地质工程地质学
背景情况:
- 岩石质量分类系统对于地下结构设计和支持至关重要.
- 现有的系统是多样化和不断发展的,需要相互相关性研究.
- 认知和工程判断影响了分类系统中的评级分配.
研究的目的:
- 评估各种岩石质量分类系统之间的现有相关性.
- 根据加尔赫瓦尔喜马拉雅山脉的现场数据开发新的相关性.
- 评估复杂岩石质量条件的已确定的相关性的可靠性.
主要方法:
- 从加尔赫瓦尔喜马拉雅山脉618米长的铁路道沿线的34个地点收集数据.
- 统计分析以评估现有的相关性 (例如,RMR-Q,RMR-RMi,RMi-Q,RSR-Q,RSR-RMR,RCR-Qn,GSI-RMR).
- 开发新的相关性,特别是该地区的变态岩石.
主要成果:
- 一些相关性 (RMR-Q,RMR-RMi,RMi-Q,RSR-Q) 显示了与以前的研究相似的结果.
- 其他相关性 (RSR-RMR,RCR-Qn,GSI-RMR) 呈现出弱相关性,表明潜在的估计或测量错误.
- 不兼容的分类系统显示相关系数较低.
结论:
- 现有的相关性可能需要修订,特别是对于复杂的岩石质量而言,预测能力有很大差异.
- 喜马拉雅地区的变态岩石的新相关性已经开发出来.
- 这些发现为未来的岩石工程项目提供了指导,并支持在类似地质环境中的方法.
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