地震作用下黄土–泥岩边坡动力响应及破坏特征离心机振动台试验研究

doi:10.13722/j.cnki.jrme.2015.1353

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摘要为研究西北地区特殊的黄土–泥岩二元结构边坡地震动响应机制，以天水地区典型边坡和滑坡为原型，采用黄土–泥岩组合的概念模型，设计并完成比例1∶40的离心机振动台试验。在满足相似律的条件下，通过输入不同振幅的水平向和垂向地震波，系统地研究模型边坡的地震动力响应特性。以输入加速度峰值0.1 g为例，对这2种边坡模型的动力响应及破坏特征差异进行分析，结果表明：2种边坡关键点位的动力响应水平向大于垂向，呈非线性，并表现为趋表效应、高程效应和岩性效应；一般黄土边坡的破坏形式表现为：坡肩形成拉张裂隙，逐渐扩张，坡肩产生向临空面方向的位移，坡体中上部的黄土覆盖层隆起，部分土体振松滑落堆积在坡脚；黄土滑坡的破坏形式表现为：滑坡后壁形成拉张裂隙，逐渐扩张，滑坡后壁发生崩落，滑坡顶部堆积体略有下挫，形成凹槽，坡脚发生轻微鼓胀。

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	张泽林1
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	吴树仁1
	王涛1
	唐辉明2
	梁昌玉1
	辛鹏1

关键词 ：边坡工程, 离心机振动台, 地震动响应, 黄土&ndash, 泥岩边坡, 加速度放大系数, 破坏特征

Abstract：In order to study the seismic response of loess-mudstone slopes，centrifuge shaking table tests with the geometric scale of 1∶40 for two types of model slopes based on the prototype slopes in Tianshui area were performed. Under the condition of similitude，the seismic responses of model slopes were investigated with the input seismic waves of different amplitudes horizontally and vertically. The input acceleration amplitude of 0.1 g was taken as the typical example and the different dynamic response and failure characteristics of the two model slopes were analyzed. At the key point in both models，the horizontal peak ground acceleration(PGA) amplification coefficients are larger than the vertical ones with nonlinearity，and reflect the surface effect，the altitude effect and the lithology effect. For the failure of the general loess-mudstone slope，tension cracks were formed at the crest and gradually expanded. The displacements developed towards the free face，and then overlying loess raised slightly and some soil mass accumulated at the slope toe. For the loess-mudstone landslide，the tensile crack formed at the backscarp and gradually expanded and then collapsed. The landslide debris fell slightly. A groove was formed at the top of the debris，and the slope toe bulged slightly.

Key words： slop engineering centrifuge shaking table earthquake response loess-mudstone slope acceleration amplification coefficient failure characteristics

引用本文:

张泽林1，2，吴树仁1，王涛1，唐辉明2，梁昌玉1，辛鹏1. 地震作用下黄土–泥岩边坡动力响应及破坏特征离心机振动台试验研究[J]. 岩石力学与工程学报, 2016, 35(9): 1844-1853.
ZHANG Zelin1，2，WU Shuren1，WANG Tao1，TANG Huiming2，LIANG Changyu1，XIN Peng1. Centrifugal shaking table test on dynamic response and failure characteristics of loess-mudstone slopes under earthquake. , 2016, 35(9): 1844-1853.

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http://www.rockmech.org/CN/10.13722/j.cnki.jrme.2015.1353 或 http://www.rockmech.org/CN/Y2016/V35/I9/1844

[22]	CHUGH A K，STARK T D. Permanent seismic deformation analysis of a landslide[J]. Landslides，2006，3(1)：2-12.
[18]	祁生文，伍法权，孙进忠. 边坡动力响应规律研究[J]. 中国科学：E辑，2003，33(增1)：28-40.(QI Shengwen，WU Faquan，SUN Jinzhong. Study on dynamic responses of slope[J]. Science in China(Series E)：Technological Science，2003，33(Supp.1)：28-40.(in Chinese))
[12]	NEWMARK N M. Effects of earthquakes on dams and embankments[J]. Geotechnique，1965，15(2)：139-160. " target="_blank">
[21]	邓龙胜，范文. 黄土边坡动力响应的影响效应研究[J]. 工程地质学报，2012，20(4)：483-490.(DENG Longsheng，FAN Wen. Research on dynamic response effects of loess slope[J]. Journal of Engineering Geology，2012，20(4)：483-490.(in Chinese))
[5]	WEN B，WANG S，WANG E，et al. Characteristics of rapid giant landslides in China[J]. Landslides，2004，1(4)：247-261.
[2]	WANG L P，ZHANG G. Centrifuge model test study on pile reinforcement behavior of cohesive soil slopes under earthquake conditions[J]. Landslides，2014，11(2)：213-223.
[4]	国家地震局兰州地震研究所. 陕甘宁青四省(区)强震目录(公元前1177年～公元1982年)[M]. 西安：陕西科学技术出版社，1985：66-245.(Seismological Institute of Lanzhou，SSB. Catalogue of strong earthquakes in Shaan，Gan，Ning and Qing Province(1177 BC-1982 AD)[M]. Xi?an，Shaanxi Science and Technology Press，1985：66-245.(in Chinese)) " target="_blank">
[11]	殷跃平，王文沛. 论滑坡地震力[J]. 工程地质学报，2014，(4)：586-600.(YIN Yueping，WANG Wenpei. Researches on seismic landslide stability analysis[J]. Journal of Engineering Geology，2014，(4)：586-600.(in Chinese)) " target="_blank">
[13]	刘立平，雷尊宇，周富春. 地震边坡稳定分析方法综述[J]. 重庆交通大学学报：自然科学版，2001，20(3)：83-88.(LIU Liping，LEI Zunyu，ZHOU Fuchun. The evaluation of seismic slope stability analysis methods[J]. Journal of Chongqing Jiaotong University：Natural Science，2001，20(3)：83-88.(in Chinese))
[20]	言志信，郭斌，张学东，等. 黄土边坡动力响应分析[J]. 防灾减灾工程学报，2012，32(5)：629-635.(YAN Zhixin，GUO Bin，ZHANG Xuedong，et al. Dynamic response analysis of loess slope[J]. Journal of Disaster Prevention and Mitigation Engineering，2012，32(5)：629-635.(in Chinese)) " target="_blank">
[29]	熊峰. 地震波入射方向对边坡动力响应的影响[硕士学位论文][D]. 北京：中国地质大学，2014.(XIONG Feng. Influence of the incident direction of seismic wave on dynamic response of slope[M. S. Thesis][D]. Beijing：China University of Geosciences，2014.(in Chinese)). " target="_blank">
[9]	MAINSANT G，CHAMBON G，JONGMANS D，et al. Shear-wave- velocity drop prior to clayey mass movement in laboratory flume experiments[J]. Engineering Geology，2015，192(9)：26-32. " target="_blank">
[27]	BAO X H，YE G L，YE B，et al. Seismic performance of SSPQ retaining wall—centrifuge model tests and numerical evaluation[J]. Soil Dynamics and Earthquake Engineering，2014，61/62(6)：63-82. " target="_blank">
[7]	WANG G，ZHANG D，FURUYA G，et al. Pore-pressure generation and fluidization in a loess landslide triggered by the 1920 Haiyuan earthquake，China：a case study[J]. Engineering Geology，2014，174(1)：36-45. " target="_blank">
[14]	王福海，王运生，孙刚，等. 地震荷载作用下斜坡响应研究：以四川青川东山——狮子梁剖面为例[J]. 现代地质，2011，25(1)：142-150.(WANG Fuhai，WANG Yunsheng，SUN Gang，et al. Study on slope response under seismic loading：taking the Dongshan—Shiziliang profile in Qingchuan，Sichuan as an example[J]. Geoscience，2011，25(1)：142-150.(in Chinese)) " target="_blank">
[16]	陈晓利，李杨，洪启宇，等. 地震作用下边坡动力响应的数值模拟研究[J]. 岩石学报，2011，27(6)：1 899-1 908.(CHEN Xiaoli，LI Yang，HONG Qiyu，et al. Numerical simulation of earthquake effects on rock slope[J]. Acta Petrologica Sinica，2011，27(6)：1 899-1 908.(in Chinese))
[23]	WANG K L，LIN M L. Initiation and displacement of landslide induced by earthquake—a study of shaking table model slope test[J]. Engineering Geology，2011，122(1/2)：106-114. " target="_blank">
[25]	TABOADA URTUZUASTEGU V M，MARINEZ RAMIREZ G，ABDOUM T. Centrifuge modeling of seismic behavior of a slope in liquefiable soil[J]. Soil Dynamics and Earthquake Engineering，2002，22 (9/12)：1 043-1 049. " target="_blank">
[1]	黄润秋，李为乐.“5•12”汶川大地震触发地质灾害的发育分布规律研究[J]. 岩石力学与工程学报，2008，27(12)：2 585-2 592. (HUANG Runqiu，LI Weile. Research on development and distribution rules of geohazards induced by Wenchuan earthquake on 12th May，2008[J]. Chinese Journal of Rock Mechanics and Engineering，2008，27(12)：2 585-2 592.(in Chinese)) " target="_blank">
[3]	张安良，米丰收，种瑾. 1556年陕西华县大地震形变遗迹及华山山前断裂古地震研究[J]. 地震地质，1989，(3)：73-81.(ZHANG Anliang，MI Fengshou，ZHONG Jin. Deformation relics of the 1556 Huaxian(Shaanxi，China) great earthquake and the study of palaeoseismicity on the frontal fault zone of the Huashan mountains[J]. Seismology and Geology，1989，(3)：73-81.(in Chinese))
[6]	ZHANG D，WANG G. Study of the 1920 Haiyuan earthquake-induced landslides in loess(China)[J]. Engineering Geology，2007，94(1)：76-88. " target="_blank">
[8]	许强，刘汉香，邹威，等. 斜坡加速度动力响应特性的大型振动台试验研究[J]. 岩石力学与工程学报，2010，29(12)：2 420-2 428. (XU Qiang，LIU Hanxiang，ZOU Wei，et al. Large-scale shaking table test study of acceleration dynamic responses characteristics of slopes[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(12)：2 420-2 428.(in Chinese))
[10]	SEED H B. A method for earthquake-resistant design of earth dams[J]. Journal of Soil Mechanics and Foundations Division，1966，92(1)：13-41. " target="_blank">
[15]	罗永红，王运生，王福海，等. 青川县桅杆梁斜坡地震动响应监测研究[J]. 工程地质学报，2010，18(1)：27-34.(LUO Yonghong，WANG Yunsheng，WANG Fuhai，et al. Monitoring of slope seismic response during aftershocks of Wenchuan earthquake in Qingchuan County[J]. Journal of Engineering Geology，2010，18(1)：27-34.(in Chinese))
[17]	叶海林，郑颖人，杜修力，等. 边坡动力破坏特征的振动台模型试验与数值分析[J]. 土木工程学报，2012(9)：128-135.(YE Hailin，ZHENG Yingren，DU Xiuli，et al. Shaking table model test and numerical analysis on dynamic failure characteristics of slope[J]. China Civil Engineering Journal，2012(9)：128-135.(in Chinese)) " target="_blank">
[19]	言志信，曹小红，张刘平，等. 地震作用下黄土边坡动力响应数值分析[J]. 岩土力学，2011，32(增2)：610-614.(YAN Zhixin，CAO Xiaohong，ZHANG Liuping，et al. Numerical analysis of loess slope dynamic response under earthquake[J]. Rock and Soil Mechanics，2011，32(Supp.2)：610-614.(in Chinese))
[24]	涂杰文，刘红帅，汤爱平，等. 基于离心振动台的堆积型滑坡加速度响应特征[J]. 岩石力学与工程学报，2015，34(7)：282-290.(TU Jiewen，LIU Hongshuai，TANG Aiping，et al. Acceleration response characteristics of colluvial landslide based on centrifugal shaking table model test[J]. Chinese Journal of Rock Mechanics and Engineering，2015，34(7)：282-290.(in Chinese))
[26]	YU Y，DENG L，SUN X，et al. Centrifuge modeling of a dry sandy slope response to earthquake loading[J]. Bulletin of Earthquake Engineering，2008，6(3)：447-461.
[28]	史晓军，陈隽，李杰. 层状双向剪切模型箱的设计及振动台试验验证[J]. 地下空间与工程学报，2009，5(2)：254-261.(SHI Xiaojun，CHEN Jun，LI Jie. Design and verification of dual-direction shear laminar box for shaking table test[J]. Chinese Journal of Underground Space and Engineering，2009，5(2)：254-261.(in Chinese))