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DOI:
有色金属(矿山部分):2020,72(3):25-28
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基于降雨-地震耦合作用土质边坡稳定性研究
朱和玲, 张新光
(中铝广西有色稀土开发有限公司)
STUDY ON STABILITY OF SOIL SLOPE BASED ON RAINFALL-SEISMIC COUPLING
ZHU Heling, ZHANG Xinguang
(1. CHINA1LCO Guaugxi Nonferrous Rare Earth Development CO.,Ltd.,Nanning)
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投稿时间:2019-11-29    修订日期:2019-12-05
中文摘要: 采用数值模拟软件Geo-studio、ANSYS和FLAC3D建立了考虑降雨入渗和地震力的三维计算模型,研究了基于降雨-地震耦合作用土质边坡稳定性。研究结果表明:(1)边坡安全系数随水位线的上升而下降。(2)相比降雨工况下,降雨-地震耦合作用下的边坡稳定性较差。(3)坡脚的水平位移大于坡顶的水平位移,增加的速率大于坡顶。(4)坡脚产生的水平和竖直的位移普遍比坡顶的大,坡顶和坡脚的位移相对较大,边坡的安全系数较小。
Abstract:A three-dimensional computational model of rain infiltration and seismic force was established using numerical simulation software Geo-studio, ANSYS and FLAC3D, and soil slope stability based on rainfall-seismic coupling was studied. The results show that: (1) the slope safety factor decreases with the rise of the water level. (2) Compared with rainfall conditions, the slope stability of the slope used in rainfall-seismic coupling cooperation is poor. (3) The horizontal displacement of the foot of the slope is greater than the horizontal displacement of the top of the slope, and the rate of increase is greater than the slope top. (4) The level and vertical displacement produced by the slope foot is generally larger than the top of the slope, the displacement of the top and foot of the slope is relatively large, and the safety factor of the slope is smaller.
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引用文本:
朱和玲,张新光.基于降雨-地震耦合作用土质边坡稳定性研究[J].有色金属(矿山部分),2020,72(3):25-28.
ZHU Heling,ZHANG Xinguang.STUDY ON STABILITY OF SOIL SLOPE BASED ON RAINFALL-SEISMIC COUPLING[J].NONFERROUS METALS(Mining Section),2020,72(3):25-28.

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