一个修改后的解决方案来评估3D斜坡的滑动方向和稳定性
Feng Zhang1, Pingting Dong2, Jiaping Sun1
1College of Mechanics and Engineering Science, Hohai University, Nanjing 211100, PR China.
Heliyon
|October 18, 2024
概括
本研究介绍了一种高效的分析方法,用于使用最小潜在能量方法进行3D斜坡稳定性分析. 新方法准确地评估安全系数 (SF) 和滑动方向 (SD) 没有代,增强滑坡风险评估.
科学领域:
- 地质技术工程 地质技术工程
- 地震工程的工程是地震工程.
- 土木工程 土木工程是指土木工程.
背景情况:
- 评估三维 (3D) 斜坡的稳定性对于防止山体滑坡至关重要.
- 现有的分析方法通常需要代计算或复杂的数值模拟.
- 最小潜在能量的方法为稳定性分析提供了理论基础.
研究的目的:
- 为3D斜坡稳定性分析开发一个改进和高效的分析解决方案.
- 引入剪切潜在能量的新配方,并纳入滑动方向 (SD).
- 提供一种非代方法来确定3D斜坡的安全系数 (SF).
主要方法:
- 使用滑坡的平衡方程来计算故障表面上的剪切应力.
- 引入基于力量的向量组合方向的剪切潜在能量的新配方.
- 应用最小潜在能量方法来分析3D斜坡稳定性.
主要成果:
- 拟议的方法准确地预测了3D斜坡的安全系数 (SF) 和滑动方向 (SD).
- 对经典例子的验证显示了与参考解决方案和保守结果的良好一致.
- 参数调查显示,增加滑动方向 (SD) 降低了坡度稳定性.
结论:
- 开发的分析方法对于3D斜坡稳定性评估是准确,高效和非代的.
- 它为地质工程师在山体滑坡风险评估中提供了一个有价值的补充工具.
- 该研究强调了滑动方向和其他参数对斜坡安全的重大影响.
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