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榛子林古滑坡稳定性分析与评价

Chinese Journal of Underground Space and Engineering(2010)

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Abstract
路基的开挖或填筑会对坡体的稳定性产生影响,导致变形体的进一步发展直至形成滑坡,或引起古滑坡体的复活。本文以榛子林滑坡为工程背景,通过ADINA非线性有限元程序进行计算,分析榛子林古滑坡的稳定性。分析得出,用有限元强度折减法计算边坡稳定性,塑性区贯通时,不表示此时边坡失稳就一定发生,一般塑性区贯通后继续折减材料强度才会发生位移的突变,此时才发生真正的失稳。
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Key words
sliding surface,stability,landfill
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