在土壤中挖掘的圆圈以上的底座的二维离散元素分析
Vahab Sarfarazi1, Abdollah Tabaroei2, Daniel Dias3
1Department of Mining Engineering, Hamedan University of Technology, Hamedan, Iran.
Scientific reports
|September 13, 2024
概括
本研究分析了使用离散元素 (DE) 和有限元素 (FE) 方法在地下空洞上方的土壤斜坡上的表面底部. 结果显示,脚架轴承压力对空隙和脚架间距以及空隙大小敏感,垂直间距至关重要.
科学领域:
- 地质技术工程 地质技术工程
- 土壤力学 土壤力学
- 设计基金会设计基金会设计基金会
背景情况:
- 在土壤斜坡上的表面基础需要仔细考虑设计.
- 基础下的地下空洞可能会损害稳定性并造成结构损坏.
研究的目的:
- 为了研究地面基层在有底层空洞的土壤斜坡上的表层基层的行为.
- 评估几何参数对基础性能的影响.
主要方法:
- 使用二维 (2D) 离散元素 (DE) 和有限元素 (FE) 分析.
- 通过先前研究的实验数据验证了DE数值模型.
- 进行了参数研究,以评估影响踏脚性能的关键因素.
主要成果:
- 随着水平空隙间距 (SH),垂直空隙间距 (SV) 和脚底边缘间距 (De) 的增加,脚底轴承压力会增加.
- 随着空隙直径 (Dv) 的增加,轴承压力会下降.
- 地基下的土壤斜率行为高度依赖于垂直间距 (SV).
结论:
- 与斜坡相比,空隙和底座的几何配置显著影响了基础的稳定性.
- 垂直间距 (SV) 被确定为一个关键参数,影响在空洞上方的斜坡上脚的性能.
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