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首页> 外文会议>GeoShanghai International Conference; 20060606-08; Shanghai(CN) >Effect of Wetting Front Suction Loss on Stability of Unsaturated Soil Slopes
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Effect of Wetting Front Suction Loss on Stability of Unsaturated Soil Slopes

机译：湿前吸力损失对非饱和土边坡稳定性的影响

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摘要

Rainfall-induced landslides are caused by an accumulation of water infiltration into unsaturated soil slopes. This paper reports trends of wetting front suction (ψ) of weathered soil-clay mixtures that are commonly found in Korea. Both tensiometer tests and numerical analyses are performed to evaluate the effect of wetting front suction loss on unsaturated mixture soil slopes with a certain amount of clay fractions. It is found that until 10% clay content is the limit in weathered soil showing different wetting front suction which plays a key role in the stability of soil slopes.
机译：降雨引起的滑坡是由于水渗透到非饱和土质边坡中而引起的。本文报道了在韩国常见的风化土壤-粘土混合物的润湿前吸力（ψ）的趋势。进行了张力计测试和数值分析，以评估润湿前吸力损失对一定比例粘土含量的非饱和混合土边坡的影响。研究发现，直到风化土壤中粘土含量的极限值达到10％时，它才显示出不同的湿锋吸力，这对土壤边坡的稳定性起着关键作用。

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