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高填方边坡动力响应变形特征数值模拟分析 被引量:3

Numerical Simulation Analysis of Dynamic Response Deformation Characteristics of High Backfill Slope
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摘要 依托西部某高原机场工程案例,开展高填方边坡动力响应变形特征数值模拟分析。结果表明:边坡动力响应呈现坡顶最剧烈,坡脚次之,中部最弱,位移和加速度具明显的高程放大效应的特征,并与地下水工程效应密切相关;强震作用易引发填方边坡产生过大沉降、不均匀沉降及侧向变形会导致边坡开裂、隆起,甚至大规模滑移,影响边坡的稳定性。 Based on a western plateau airport project as research object,numerical simulation analysis of the dynamic response deformation characteristics of high backfill slope has been carried out.The results show that the most severe dynamic response of the slope is at the top of the slope,followed by the foot of the slope,and the weakest is in the middle.The displacement and acceleration have obvious characteristics of elevation amplification effect and are closely related to the effect of groundwater engineering.Strong seismic action can easily cause excessive settlement,uneven settlement and lateral deformation of the fill slope,which can lead to slope cracking,uplift,and even large-scale slippage,which affects the stability of the slope.
作者 潘凯 谢春庆 赵新杰 PAN Kai;XIE Chunqing;ZHAO Xinjie(Guangdong Zhongmei Jiangnan Engineering Survey and Design Co.,Ltd.,Guangzhou 410440,China;Sichuan Zhongao Construction Engineering Testing Co.,Ltd.,Chengdu 610094,China)
出处 《路基工程》 2022年第4期13-18,共6页 Subgrade Engineering
基金 中国煤炭地质总局科技创新基金项目(ZMKJ-2020-4)。
关键词 高原机场 高填方边坡 动力响应 高程放大效应 地下水工程效应 数值模拟 plateau airport high backfill slope dynamic response elevation magnification effect groundwater engineering effect numerical simulation
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