研究滑坡的故障机制,与支墙类似的锁定段和不稳定性预测反向速度方法的不稳定性
Jia-Xing Chen1, Han-Dong Liu2,3, Zhi-Fei Guo4
1College of Architecture & Civil Engineering, Shangqiu Normal University, Shangqiu, 476000, China. jia-xingchen@foxmail.com.
Scientific reports
|September 12, 2024
概括
确定体积膨胀点是预测锁定段式滑坡故障的关键. 本研究建立了一种方法,使用变形和声辐射数据用于预警系统.
科学领域:
- 地质技术工程 地质技术工程
- 地理危险 地区性危险
- 滑坡动力学 滑坡动力学
背景情况:
- 锁定段对于锁定段类型的山体滑坡稳定性至关重要.
- 体积膨胀点表示滑坡演变和裂增长中的关键过渡.
- 早期识别这一点对于山体滑坡预测和预警系统至关重要.
研究的目的:
- 为了研究山体滑坡的故障机制,具有类似支墙的锁定段.
- 建立一种识别体积膨胀点的方法.
- 为了利用这个点来预测山体滑坡失效时间.
主要方法:
- 物理模型测试使用阻力张力计,声辐射系统和压电加速度传感器.
- 分析斜坡形状的变化和应力反应特征.
- 在确定体积膨胀点时应用反向速度方法.
主要成果:
- 故障机制包括推进,挤压,提升,锁定效应和锁定段的压缩剪切断裂.
- 基于变形和声辐射数据,开发了一种识别体积膨胀点的方法.
- 体积膨胀点作为加速点预测的有效开始.
结论:
- 该研究阐明了类似于支墙的锁定段滑坡的特定故障过程.
- 开发的方法提供了一种可靠的方法来识别临界体积膨胀点.
- 通过将体积膨胀点与既有理论相结合,可以更好地准确预测山体滑坡失效时间.
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