在不同角度的交换道之间的相互作用的3D数值研究
Yuchao Fang1, Dingyu Ni2, Feng Cai2
1College of Civil Engineering, Zhejiang University of Technology, Hangzhou, China.
Heliyon
|March 18, 2024
概括
涉及空间交叉点的道建设需要仔细选择参数. 增加交叉角度减少了层应力,但增加了顶位移,而平行道表现出相反的效果,指导最佳道设计.
科学领域:
- 土木工程 土木工程是指土木工程.
- 地质技术工程 地质技术工程
- 道工程工程 道工程
背景情况:
- 道的空间交叉在地铁和高速公路建设中很常见.
- 这种十字路口显著影响了道变形,层应力和地面沉积.
研究的目的:
- 为了研究横角和中心距离对道性能的影响.
- 为了确定空间交叉道中的影响范围和应力的大小.
主要方法:
- 进行了数值模拟来分析道性能.
- 该研究检查了各种交叉角度和中心到中心距离.
主要成果:
- 增加交叉角度降低了内应力,增加了顶的位移.
- 平行道显示了相反的压力和位移趋势.
- 确定了最佳参数,以尽量减少道变形和应力.
结论:
- 对于交叉道,建议交叉角度大于45°.
- 在平行道中,建议道间距大于2D,以管理顶位移和·米塞斯应力.
- 结果为交叉道的设计提供了宝贵的见解.
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