潮汐应力对滑坡的触发机理研究

刘裕华 陈征宙 蒋鑫 毕港

刘裕华, 陈征宙, 蒋鑫, 毕港. 2011: 潮汐应力对滑坡的触发机理研究. 工程地质学报, 19(6): 802-808.
引用本文: 刘裕华, 陈征宙, 蒋鑫, 毕港. 2011: 潮汐应力对滑坡的触发机理研究. 工程地质学报, 19(6): 802-808.
LIU Yuhua, CHEN Zhenzhou, Jiang Xin, BI Gang. 2011: DAILY SUCCESSIVE VARIATION AND TRIGGERING MECHANISM OF TIDAL STRESS TO LANDSLIDE. JOURNAL OF ENGINEERING GEOLOGY, 19(6): 802-808.
Citation: LIU Yuhua, CHEN Zhenzhou, Jiang Xin, BI Gang. 2011: DAILY SUCCESSIVE VARIATION AND TRIGGERING MECHANISM OF TIDAL STRESS TO LANDSLIDE. JOURNAL OF ENGINEERING GEOLOGY, 19(6): 802-808.

潮汐应力对滑坡的触发机理研究

详细信息
    作者简介:

    刘裕华,工程地质专业,主要从事边坡工程的研究.Email: lyh0524@gmail.com

  • 中图分类号: P642.22

DAILY SUCCESSIVE VARIATION AND TRIGGERING MECHANISM OF TIDAL STRESS TO LANDSLIDE

  • 摘要: 已有的滑坡统计数据和研究成果显示,滑坡发生的时间具有明显的周期分布规律特征,除了与降雨季节相关的因素外,受日月引力潮的影响也较明显。本文对一定数量的滑坡发生的历史数据进行统计分析,得到滑坡的发生时间在1d内呈明显的分布特征。然后从固体潮理论出发,推导简化弹性地球模型地表的潮汐应力表达式,阐述了固体潮汐作为滑坡日周期因子对滑坡的影响。并通过岩体破坏判据剖析潮汐应力触发滑坡的机理。最后以南京某典型平面滑动的岩质边坡作为算例,在安全系数表达式中将潮汐应力的作用考虑进去,得到坡体的稳定性系数随时间的变动特征,以定量的方式加强对滑坡发生时间分布的日周期性及固体潮汐的触发机理的阐述。
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出版历程
  • 收稿日期:  2011-05-20
  • 修回日期:  2011-07-22
  • 刊出日期:  2011-12-25

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