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1.北京工业大学建筑工程学院,北京 100124
2.石家庄铁道大学土木工程学院,河北 石家庄 050043
3.石家庄铁道大学道路与铁道工程安全保障省部共建教育部重点实验室,河北 石家庄 050043
Received:30 April 2025,
Revised:2025-08-27,
Published:28 December 2025
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孟维庆,尹超,郑永香等.基于连续‑非连续方法的地震边坡失稳垮塌研究[J].防灾减灾工程学报,2025,45(06):1397-1410.
MENG Weiqing,YIN Chao,ZHENG Yongxiang,et al.Research on Instability and Collapse of Seismic Slopes Based on Continuous‑discontinuous Method[J].Journal of Disaster Prevention and Mitigation Engineering,2025,45(06):1397-1410.
孟维庆,尹超,郑永香等.基于连续‑非连续方法的地震边坡失稳垮塌研究[J].防灾减灾工程学报,2025,45(06):1397-1410. DOI: 10.13409/j.cnki.jdpme.20250430033.
MENG Weiqing,YIN Chao,ZHENG Yongxiang,et al.Research on Instability and Collapse of Seismic Slopes Based on Continuous‑discontinuous Method[J].Journal of Disaster Prevention and Mitigation Engineering,2025,45(06):1397-1410. DOI: 10.13409/j.cnki.jdpme.20250430033.
我国西南地区构造活动强烈,地震频发,由地震引发的边坡失稳垮塌现象严重危害居民的正常生产生活。为了更加高效地分析地震诱发边坡失稳垮塌的规律,在通用有限元软件ABAQUS中首次实施了连续‑非连续的地震边坡计算方法,并通过室内物理试验和数值试验验证了方法的有效性。对2008年汶川地震引起的大光包滑坡的整体破坏过程进行分析,结果表明:在30 s强震作用下大光包滑坡的垮塌从坡顶后缘伊始,滑坡失稳滑裂面逐步贯通,在冲破坡脚的约束后,滑坡整体沿滑裂面向黄洞子沟滑动,并在黄洞子沟发生堆积。因此,该方法可为地震诱发边坡的垮塌计算提供参考和依据。
In southwestern China
intense tectonic activity and frequent earthquakes occur
and slope instability and collapse triggered by earthquakes severely threaten the normal production and daily lives of residents. To more efficiently analyze the patterns of earthquake-induced slope instability and collapse
a continuous-discontinuous seismic slope calculation method was implemented for the first time in the general finite element software ABAQUS. The effectiveness of this method was validated through laboratory physical experiments and numerical tests. The analysis of the overall failure process of the Daguangbao landslide induced by the 2008 Wenchuan earthquake revealed that under 30 seconds of strong seismic action
the collapse of the Daguangbao landslide began at the rear edge of the slope top. The sliding surface of the landslide gradually became fully connected. After breaking through the constraints at the slope toe
the entire landslide slid along the sliding surface toward Huangdongzi gully
where it eventually deposited. Therefore
this method can provide a reference and basis for the calculation of earthquake-induced slope collapse.
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