Effects of Saturation on Slope Stability: Laboratory Experiments Utilizing External Load

被引：16

作者：

Germer, Kai ^{[1
]}

Braun, Juergen ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Hydraul Engn, Res Facil Subsurface Remediat VEGAS, D-70569 Stuttgart, Germany

来源：

VADOSE ZONE JOURNAL | 2011年 / 10卷 / 02期

关键词：

RAINFALL-INDUCED LANDSLIDES; GEOGRID-REINFORCED SAND; INDUCED FLOWSLIDES; SOIL SLOPES; FAILURE; SCALE; INFILTRATION; INSTABILITY; BEHAVIOR; MODEL;

D O I：

10.2136/vzj2009.0154

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Failure of natural slopes may result in considerable damage to both human health and real estate properties. The conditions "necessary" for a slope to fail have been investigated thoroughly in the past. Additional work is still necessary regarding the causes that trigger a slope to move and that may in the long run even be helpful to predict the failure of a slope. We conducted experiments to investigate the influence of various groundwater conditions on slope stability. Our results showed that the position of the groundwater table and especially a variation in pore water pressure greatly affect the slope stability under loaded conditions. Moreover the results showed that slope failures are preceded by an abrupt decrease in pore water pressure. We suggest that a monitoring of the fluctuation of pore water pressure in a real slope may give an indication of its inherent stability.

引用

页码：477 / 486

页数：10

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