考虑残余变形的台阶式岩质边坡震裂累积效应

doi:10.13722/j.cnki.jrme.2021.1250

Abstract
Figure/Table
References (0)
Related Citation (15)

Download: PDF (2021 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract The rock slopes in high-intensity areas are developed with cracks and distributed randomly. The deformation damage of the rock slopes will occur when they evolve into shattered rock mass after suffering multiple phases of strong earthquake. Therefore，it is significant to explore the shattering cumulative effect of multiple phases of strong earthquake on the stability of the step-like rock slopes. In this paper，the shattering cumulative effect of the step-like rock slope was mainly researched via analyzing the dynamic displacement response of the step-like rock slope model，which was performed by means of the large-scale shaking table model test. The residual deformation was represented by the baseline offset，the ultimate failure on the surface of the slope model was induced by the mutual effect of residual deformation and dynamic deformation caused by seismic excitation. The shattering cumulative effect was analyzed via the proposed residual deformation ratio，and the application of this analysis method was verified by Arias-Intensity magnification. The results show that the residual deformation ratio can analyze the shattering cumulative effect of the slope more clearly，which sufficiently considers the mutual effect of the continuous residual deformation and seismic dynamic. The deformation and failure of the step-like rock slope start from local regions，in which the interior fold line of the step platform and the top of the step-like slope are the areas prone to develop with incipient cracks. Based on the analysis of residual deformation and Arias-Intensity energy，the shattering cumulative process of the slope is concluded in three steps，including slow deformation，accelerated deformation and unstable failure. These two methods can be alternately adopted in analyzing，helping achieve a more precise prediction of the dynamic deformation of the slope and presenting a more credible reference for the design of earthquake fortification scheme for slopes.

Key words： slope engineering step-like rock slope shaking table test seismic displacement response residual deformation shattering cumulative effect

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	FENG Wenkai1
	2
	XIN Chunlei1
	2
	LI Wenhui2
	YANG Fei2
	LIAO Jun1
	2

Cite this article:

FENG Wenkai1,2,XIN Chunlei1, et al. Seismic induced shattering cumulative effects on step-like bedding rock slopes with residual deformation features[J]. , 2022, 41(8): 1581-1594.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2021.1250 OR https://rockmech.whrsm.ac.cn/EN/Y2022/V41/I8/1581

[1] 黄润秋，李果，巨能攀. 层状岩体斜坡强震动力响应的振动台试验[J]. 岩石力学与工程学报，2013，32(5)：865–875.(HUANG Runqiu，LI Guo，JU Nengpan. Shaking table test on strong earthquake response of stratified rock slopes[J]. Chinese Journal of Rock Mechanics and Engineering，2013，32(5)：865–875.(in Chinese)) [2] 吴多华，刘亚群，李海波，等. 地震荷载作用下顺层岩体边坡动力放大效应和破坏机制的振动台试验研究[J]. 岩石力学与工程学报，2020，39(10)：1 945–1 956.(WU Duohua，LIU Yaqun，LI Haibo，et al. Shaking table tests on dynamic amplification and failure mechanism of layered rock slopes under seismic actions[J]. Chinese Journal of Rock Mechanics and Engineering，2020，39(10)：1 945–1 956.(in Chinese)) [3] SONG D Q，LIU X L，HUANG J，et al. Seismic cumulative failure effects on a reservoir bank slope with a complex geological structure considering plastic deformation characteristics using shaking table tests[J]. Engineering Geology，2021，286：106085. [4] 刘汉香，周逸飞，李欣. 层状复合岩体边坡动力特性及地震响应特性的振动台试验研究[J]. 岩石力学与工程学报，2021，40(4)：676–689.(LIU Hanxiang，ZHOU Yifei，LI Xin. Shaking table test of dynamic responses of a layered complex rock slope under earthquake[J]. Chinese Journal of Rock Mechanics and Engineering，2021，40(4)：676–689.(in Chinese)) [5] 刘新荣，何春梅，刘树林，等. 高频次微小地震下顺倾软硬互层边坡动力稳定性研究[J]. 岩土工程学报，2019，41(3)：430–438.(LIU Xinrong，HE Chunmei，LIU Shulin，et al. Dynamic stability of slopes with interbeddings of soft and hard layers under high-frequency microseims[J]. Chinese Journal of Geotechnical Engineering，2019，41(3)：430–438.(in Chinese)) [6] FAN G，ZHANG J J，WU J B，et al. Dynamic response and dynamic failure mode of a weak intercalated rock slope using a shaking table[J]. Rock Mechanics and Rock Engineering，2016，49(8)：3 243–3 256. [7] 崔圣华，裴向军，黄润秋. 大光包滑坡启动机制：强震过程滑带非协调变形与岩体动力致损[J]. 岩石力学与工程学报，2019，38(2)：237–253.(CUI Shenghua，PEI Xiangjun，HUANG Runqiu. An initiation model of DGB landslide：non-coordinated deformation inducing rock damage in sliding zone during strong seismic shaking[J]. Chinese Journal of Rock Mechanics and Engineering，2019，38(2)：237–253.(in Chinese)) [8] 冯文凯，胡云鹏，谢吉尊，等. 顺层震裂斜坡降雨触发灾变机制及稳定性分析—以三溪村滑坡为例[J]. 岩石力学与工程学报，2016，35(11)：2 197–2 207.(FENG Wenkai，HU Yunpeng，XIE Jizun，et al. disaster mechanism and stability analysis of shattered bedding slopes triggered—a case study of Sanxicun landslide[J]. Chinese Journal of Rock Mechanics and Engineering，2016，35(11)：2 197–2 207.(in Chinese)) [9] 王兰民，蒲小武，吴志坚，等. 地震和降雨耦合作用下黄土边坡动力响应的振动台试验研究[J]. 岩土工程学报，2018，40(7)：1 287– 1 293.(WANG Lanmin，PU Xiaowu，WU Zhijian，et al. Shaking table tests on dynamic response of loess slopes under coupling effects of earthquakes and rainfalls[J]. Chinese Journal of Geotechnical Engineering，2018，40(7)：1 287–1 293.(in Chinese)) [10] 杨忠平，刘树林，刘永权，等. 反复微震作用下顺层及反倾岩质边坡的动力稳定性分析[J]. 岩土工程学报，2018，40(7)：1 277–1 286. (YANG Zhongping，LIU Shulin，LIU Yongquan，et al. Dynamic stability analysis of bedding and toppling rock slopes under repeated micro-seismic action[J]. Chinese Journal of Geotechnical Engineering，2018，40(7)：1 277–1 286.(in Chinese)) [11] SONG D Q，CHE A L，ZHU R J，et al. Dynamic response characteristics of a rock slope with discontinuous joints under the combined action of earthquakes and rapid water drawdown[J]. Landslides，2018，15(6)：1 109–1 125. [12] 杨忠平，来云亮，刘树林，等. 频发微震下上覆软弱岩体边坡动力稳定及失稳模式[J]. 岩土工程学报，2019，41(12)： 2 297–2 306. (YANG Zhongping，LAI Yunliang，LIU Shulin，et al. Dynamic stability and failure mode of slopes with overlying weak rock mass under frequent micro-seismic actions[J]. Chinese Journal of Geotechnical Engineering，2019，41(12)：2 297–2 306.(in Chinese)) [13] WU Z J，ZHANG D，WANG S N，et al. Dynamic-response characteristics and deformation evolution of loess slopes under seismic loads[J]. Engineering Geology，2020，267：105507. [14] 梁敬轩，胡卸文，叶正晖，等. 大型堆积体边坡基–覆界面及坡面动态响应特性试验研究[J]. 岩土力学，2017，38(8)：2 249–2 260. (LIANG Jingxuan，HU Xiewen，YE Zhenghui，et al. Dynamic response characteristics of slope surface and rock-soil boundary in deposit slope[J]. Rock and Soil Mechanics，2017，38(8)：2 249–2 260.(in Chinese)) [15] FENG X X，JIANG Q H，ZHANG H C，et al. Study on the dynamic response of dip bedded rock slope using discontinuous deformation analysis(DDA) and shaking table tests[J]. International Journal for Numerical and Analytical Methods in Geomechanics，2021，45(3)： 411–427. [16] 张泽林，吴树仁，王涛，等. 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)：1 844–1 853.(ZHANG Zelin，WU Shuren，WANG Tao，et al. Centrifugal shaking table test on dynamic response and failure characteristics of loess-mudstone slopes under earthquake[J]. Chinese Journal of Rock Mechanics and Engineering，2016，35(9)：1 844– 1 853.(in Chinese)) [17] ZHANG Z L，WANG T，WU S R，et al. Seismic performance of loess-mudstone slope in Tianshui-Centrifuge model tests and numerical analysis[J]. Engineering Geology，2017，222：225–235. [18] 刘树林，杨忠平，刘新荣，等. 频发微小地震作用下顺层岩质边坡的振动台模型试验与数值分析[J]. 岩石力学与工程学报，2018，37(10)：2 264–2 276.(LIU Shulin，YANG Zhongping，LIU Xinrong，et al. Shaking table model test and numerical analysis of the bedding rock slopes under frequent micro-seismic actions[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(10)：2 264–2 276.(in Chinese)) [19] 贾向宁，黄强兵，王涛，等. 陡倾顺层断裂带黄土–泥岩边坡动力响应振动台试验研究[J]. 岩石力学与工程学报，2018，37(12)：2 721–2 732.(JIA Xiangning，HUANG Qiangbing，WANG Tao，et al. Shaking table test of dynamic responses of loess-mudstone slopes with a steep dip bedding fault zone[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(12)：2 721–2 732.(in Chinese)) [20] 张泽林，吴树仁，王涛，等. 地震作用下黄土滑坡加速度深度放大效应及震后变形模式研究[J]. 土木工程学报，2018，51(4)：102–110.(ZHANG Zelin，WU Shuren，WANG Tao，et al. Study on acceleration depth amplification effect and deformation model of loess landslide under earthquakes[J]. China Civil Engineering Journal，2018，51(4)：102–110.(in Chinese)) [21] FAN G，ZHANG L M，ZHANG J J，et al. Analysis of seismic stability of an obsequent rock slope using time-frequency method[J]. Rock Mechanics and Rock Engineering，2019，52(10)：3 809–3 823. [22] 施艳秋，谢显龙，张玘恺，等. 基于小波变换的黄土滑坡动土压力响应及其频谱特性研究[J]. 岩石力学与工程学报，2020，39(12)：2 570–2 581.(SHI Yanqiu，XIE Xianlong，ZHANG Qikai，et al. Study on spectrum characteristics of dynamic earth pressure of loess landslides based on wavelet transform[J]. Chinese Journal of Rock Mechanics and Engineering，2020，39(12)：2 570–2 581.(in Chinese)) [23] 闫孔明，刘飞成，朱崇浩，等. 地震作用下含倾斜软弱夹层斜坡场地的动力响应特性研究[J]. 岩石力学与工程学报，2017，36(11)：2 686–2 698.(YAN Kongming，LIU Feicheng，ZHU Chonghao，et al. Dynamic responses of slopes with intercalated soft layers under seismic excitations[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(11)：2 686–2 698.(in Chinese)) [24] 刘新荣，邓志云，刘永权，等. 地震作用下水平层状岩质边坡累积损伤与破坏模式研究[J]. 岩土力学，2019，40(7)：2 507–2 516.(LIU Xinrong，DENG Zhiyun，LIU Yongquan，et al. Study of cumulative damage and failure mode of horizontal layered rock slope subjected to seismic loads[J]. Rock and Soil Mechanics，2019，40(7)：2 507–2 516. (in Chinese)) [25] 黄栋，乔建平，张小刚，等. 堆积层斜坡地震动地形效应试验研究[J]. 岩石力学与工程学报，2017，36(3)：587–598.(HUANG Dong，QIAO Jianping，ZHANG Xiaogang，et al. Experimental research of the topographic effects of slopes in earthquake[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(3)：587–598.(in Chinese)) [26] LI L Q，JU N P，ZHANG S，et al. Seismic wave propagation characteristic and its effects on the failure of steep jointed anti-dip rock slope[J]. Landslides，2019，16(1)：105–123. [27] 言志信，刘春波，龙哲，等. 含软弱层顺倾岩体边坡锚固地震响应试验研究[J]. 岩土工程学报，2020，42(12)：2 180–2 188.(YAN Zhixin，LIU Chunbo，LONG Zhe，et al. Experimental study on seismic response of anchorage of bedding rock slope with weak layer[J]. Chinese Journal of Geotechnical Engineering，2020，42(12)：2 180–2 188.(in Chinese)) [28] 刘晓敏，盛谦，陈健，等. 大型地下洞室群地震模拟振动台试验研究(I) ：岩体相似材料配比试验[J]. 岩土力学，2015，36(1)：83–88.(LIU Xiaomin，SHENG Qian，CHEN Jian，et al. Seismic shaking table test for large-scale underground cavern group(I)：Proportioning test on similar materials of surrounding rock[J]. Rock and Soil Mechanics，2015，36(1)：83–88.(in Chinese)) [29] 范刚，张建经，付晓，等. 含泥化夹层顺层岩质边坡动力响应大型振动台试验研究[J]. 岩石力学与工程学报，2015，34(9)：1 750–1 757.(FAN Gang，ZHANG Jianjing，FU Xiao，et al. Large-scale shaking table test on dynamic response of bedding rock slopes with silt intercalation[J]. Chinese Journal of Rock Mechanics and Engineering，2015，34(9)：1 750–1 757.(in Chinese)) [30] SONG D Q，CHE A L，CHEN Z，et al. Seismic stability of a rock slope with discontinuities under rapid water drawdown and earthquakes in large-scale shaking table tests[J]. Engineering Geology，2018，245：153–168. [31] FAN G，ZHANG L M，ZHANG J J，et al. Energy-based analysis of mechanisms of earthquake-induced landslide using Hilbert-Huang transform and marginal spectrum[J]. Rock Mechanics and Rock Engineering，2017，50(9)：2 425–2 441. [32] NING Y B，ZHANG G C，TANG H M，et al. Process analysis of toppling failure on anti-dip rock slopes under seismic load in southwest China[J]. Rock Mechanics and Rock Engineering，2019，52(11)：4 439–4 455. [33] 曹礼聪，张建经，刘飞成，等. 含倾斜强风化带及局部边坡复杂场地的动力响应及破坏模式研究[J]. 岩石力学与工程学报，2017，36(9)：2 238–2 250.(CAO Licong，ZHANG Jianjing，LIU Feicheng，et al. Dynamic response and failure mode of the complex site with tilting strongly weathered layer and local slopes[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(9)：2 238–2 250.(in Chinese)) [34] 张建磊，程谦恭，李艳，等. 一种基于能量孔隙水压力模型的饱和砂土液化风险评估方法[J]. 岩石力学与工程学报，2021，40(10)：2 136–2 148.(ZHANG Jianlei，CHENG Qiangong，LI Yan，et al. An energy-based pore water pressure model for evaluating liquefaction of saturated sands[J]. Chinese Journal of Rock Mechanics and Engineering，2021，40(10)：2 136–2 148.(in Chinese))