| 邓 鹏,王景辉,杨国林,第鹏飞,蒋 涛.甘肃省华池县悦乐镇安沟门滑坡稳定性计算方法研究[J].甘肃地质,2025,34(4):63-69 |
| 甘肃省华池县悦乐镇安沟门滑坡稳定性计算方法研究 |
| STABILITY CALCULATION OF ANGOUMEN LANDSLIDE IN YUELUO TOWN OF GANSU PROVINCE |
| |
| DOI： |
| 中文关键词: 地质灾害 滑坡 稳定性评价 甘肃省华池县 |
| 英文关键词:geological disaster landslide stability evaluation Huachi County |
| 基金项目:甘肃省科技计划项目—甘肃省科普作品专项资助（23CXKA0003）。 |
|
| 摘要点击次数: 3 |
| 全文下载次数: 6 |
| 中文摘要: |
| 甘肃省华池县地处陇东黄土高原，地质灾害频发，其中滑坡是主要灾害类型之一。 通过野外调查发现，悦乐镇安沟门滑坡为黄土—基岩接触型滑坡。 其形成受控于陡峭地形、软弱岩土组合及新构造运动，而暴雨和坡脚开挖等人类活动是直接诱发因素。 本文采用折线滑动法与数值模拟法进行稳定性分析，结果表明：在自重条件下，滑坡稳定系数为1. 06，处于基本稳定状态；暴雨工况下稳定系数降至0. 82，处于不稳定状态。 研究结果可为华池县地质灾害防治提供科学依据，并对陇东黄土区类似滑坡的治理具有参考价值。 |
| 英文摘要: |
| Abstract：Geological disasters occurred frequently in Huachi County of Gansu Province, with landslides being one of the most common types. Field investigations reveal that the Angoumen landslide in Yule Town, Huachi County, is a loess-bedrock landslide. The formation of this landslide is attributed to several fundamental factors, including steep terrain conditions, weak rock -soil mass combinations, and neotectonic activity. Direct triggers for the landslide include heavy rain and human engineering activities （such as slope foot excavation）, while potential future reactivation may be influenced by earthquakes, prolonged precipitation, or further humaninduced disturbances. The stability of the landslide was assessed using the broken -line sliding method and numerical simulation. The results indicate that under normal load conditions, the Angoumen landslide remains in a basically stable state. However, under heavy rainfall conditions, it becomes unstable. This study of the Angoumen landslide not only provides a scientific basis for geological disaster mitigation in Huachi County but also serves as a valuable reference for landslide investigation and prevention in the loess regions of Longdong. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
