使用数值模型在的沉浸层岩石质量中评估道的稳定性:一个案例研究
Eleyas Assefa1, Kidusyared Tilahun1, Siraj Mulugeta Assefa1
1Department of Civil Engineering, College of Engineering, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.
Scientific reports
|January 15, 2025
概括
在多层岩层中,通过考虑层沉入角度和位置,提高了道的稳定性. 优化应力放松因子可以增强收-限制方法 (CCM) 进行精确的二维道分析.
科学领域:
- 地质技术工程 地质技术工程
- 岩石机械学 岩石机械学
- 道工程工程 道工程
背景情况:
- 在复杂的地质环境中,道的稳定性至关重要,尤其是在的岩层中.
- 融合-限制方法 (CCM) 是分析道支的标准2D方法,但通常忽略了浸泡层效应.
研究的目的:
- 调查层沉入角度和位置如何影响应力放松因子 (λ) 和道变形.
- 为了提高2D融合-限制方法 (CCM) 的准确性,用于的沉浸,分层岩石质量.
主要方法:
- 用参数分析来研究地质因素的影响.
- 研究的重点是不同的层沉浸角度 (例如60°,90°) 和相对于道的位置.
主要成果:
- 应力放松因子 (λ) 随着层入角度的升而增加.
- λ随着层层的位置远离道中心而下降.
- 道变形受到这些地质参数的重大影响.
结论:
- 优化的λ值使得2D CCM预测能够与3D模拟结果紧密匹配.
- 这些发现增强了CCM用于道稳定性分析的适用性,在具有的沉浸层的具有挑战性的地质条件下.
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