一种分析解决方案,用于软土壤中浅处的圆形低到真空道面的内部力
Long Shi1, Dongyuan Wang2, Yunzhou Zhang3
1School of Civil Engineering, Laznhou Jiaotong University, Lanzhou, 730070, China.
Scientific reports
|December 29, 2024
概括
这项研究为磁力列车道层力提供了分析解决方案,发现真空压力显著影响正常力,但没有曲时刻. 更好的土壤条件和最佳的覆盖率与直径比率减少了层压力.
科学领域:
- 地质技术工程 地质技术工程
- 道工程 道工程是指道工程.
- 结构分析 结构分析
背景情况:
- 磁悬浮列车道需要专门分析内部力量.
- 有真空压力的浅埋道带来了独特的结构挑战.
- 了解层与地面的相互作用对于道的稳定性至关重要.
研究的目的:
- 开发一种分析解决方案,用于磁悬浮列车道面的内部力.
- 将真空压力和地与地面的相互作用纳入模型.
- 评估土壤特性和覆盖面对直径比对层力的影响.
主要方法:
- 使用力法分析溶液.
- 模拟真空压力作为外部负载.
- 结合使用触线和正常电阻的地与地面的相互作用.
- 应用莫尔-库伦理论对土壤相互作用.
- 根据现有模型和现场数据进行验证.
主要成果:
- 真空压力显著影响正常力,但对曲时刻的影响微不足道.
- 改善的土壤条件 (更高的凝聚力和摩擦角度) 会导致较低的最大曲时刻和更高的正常力.
- 在柔软的土壤条件下,确定了约0.20的最佳覆盖率 (C/D) 和直径比.
结论:
- 拟议的分析模型准确地预测了磁铁轨道道内的力量.
- 土壤特性和真空压力是影响层设计的关键因素.
- 优化盖面与直径的比例对于高效的道建设和层厚度至关重要.
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