分析不同类型的防滑堆对在滑坡负荷下层结构的影响
Tao Li1,2,3, Jun Liang4,5, Xueyu Wu6,7
1College of Mechanical and Electrical Engineering, Mianyang Teachers' College, Mianyang, 621000, China. litao21@gscaep.ac.cn.
Scientific reports
|January 8, 2025
概括
道层支的有效性因地滑负载下的埋葬深度而异. 较浅的道经历了显著的压力,而更深的道受到的影响较小. H型提供最佳性能,但成本高;圆形对于更深的道最具成本效益.
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.
- 土木工程 土木工程是指土木工程.
背景情况:
- 滑坡负荷对道层结构构成重大风险.
- 基于埋葬深度优化道支方法对于安全性和成本效益至关重要.
- 防滑坡堆是缓解道滑坡影响的重要组成部分.
研究的目的:
- 为了研究防滑堆对道层支在滑坡条件下的不同深度的影响.
- 为了确定支持方法的最佳选择,考虑埋葬深度和成本效益.
- 为在易发生山体滑坡的地区提供道工程的实用指导.
主要方法:
- 进行了缩放实验,以模拟山体滑坡情景.
- 使用数值模拟来分析应力分布和堆性能.
- 应用了价值工程原理来评估成本效益.
主要成果:
- 道比滑动表面浅,由于山体滑坡的负荷,道里面会出现显著的偏向应力.
- 堆形状和滑坡负荷对层支的影响随着道埋藏深度的增加而减少.
- H型提供优越的防滑性能,其次是方形,然后是圆形,但成本不断上升.
结论:
- 对于滑动表面以上的道,建议使用方形或H型来提供经济高效的支.
- 对于滑动表面以下的道,圆形堆是最经济的支解决方案.
- 该研究为在土地滑坡影响地区选择适当的道支系统提供了宝贵的见解.
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