Physical modelling of progressive sliding instability of loess-mudstone landslide

LI Shuanhu; QI Yue; WANG Xiaorong; GAO Yu; XING Yuanhao

doi:10.16562/j.cnki.0256-1492.2022082501

2023 Vol. 43, No. 2

Article Contents

Article navigation > Marine Geology & Quaternary Geology > 2023 > 43(2): 200-207

Next Article Previous Article

LI Shuanhu, QI Yue, WANG Xiaorong, GAO Yu, XING Yuanhao. Physical modelling of progressive sliding instability of loess-mudstone landslide[J]. Marine Geology & Quaternary Geology, 2023, 43(2): 200-207. doi: 10.16562/j.cnki.0256-1492.2022082501

Citation:

LI Shuanhu, QI Yue, WANG Xiaorong, GAO Yu, XING Yuanhao. Physical modelling of progressive sliding instability of loess-mudstone landslide[J]. Marine Geology & Quaternary Geology, 2023, 43(2): 200-207. doi: 10.16562/j.cnki.0256-1492.2022082501

Physical modelling of progressive sliding instability of loess-mudstone landslide

1.
School of Civil Engineering, Inner Mongolia University of Technology, Hohhot 010051, China
2.
Key Laboratory of Geological Hazards and Geotechnical Engineering Defense in Sandy and Drought Regions at Universities of Inner Mongolia Autonomous Region, Inner Mongolia University of Technology, Hohhot 010051, China
3.
Inner Mongolia Engineering Research Center of Geological Technology and Geotechnical Engineering, Inner Mongolia University of Technology, Hohhot 010051, China
4.
Ocean College, Zhejiang University, Zhoushan 316021, China

More Information

Corresponding author: WANG Xiaorong, wangxiaorong@imut.edu.cn

Received Date: 25 August 2022

Revised Date: 25 November 2022

Publish Date: 28 April 2023

Abstract

Abstract

Loess landslide hazards in Northwest China is gradually gaining attention, especially loess-mudstone landslides, their destabilization mechanism and mechanical model have become a hot spot for research in the direction of geotechnical engineering. Using sliding deformation as an indicator, we studied the progressive instability model of loess-mudstone landslides, which can better serve the monitoring and early warning of loess-mudstone landslides. Direct water infiltration at the sliding interface was used to simulate the characteristics of progressive sliding instability of loess-mudstone landslides under the action of rainfall infiltration. Miniature pore water pressure and soil pressure sensors were arranged at the sliding interface and macroscopic deformation observation points were arranged at the sides and surface of landslide, to reveal the progressive sliding instability characteristics of the loess-mudstone landslide. The results show that the loess-mudstone landslide forms tension cracks at the top or middle of the landslide, and then the cracks gradually expand and divide the landslide, forming a three-stage instability model of "sliding - pulling - pushing". The modelling for progressive sliding instability of loess-mudstone landslides provided important scientific value for its monitoring, early warning, and engineering defense.
- loess-mudstone landslide /
- progressive sliding instability /
- physical model test /
- deformation characteristics /
- instability model

FullText(HTML)

References

[1]	张龙飞, 吴益平, 苗发盛, 等. 推移式缓倾浅层滑坡渐进破坏力学模型与稳定性分析[J]. 岩土力学, 2019, 40(12):4767-4776 doi: 10.16285/j.rsm.2018.1885 CrossRef Google Scholar ZHANG Longfei, WU Yiping, MIAO Fasheng, et al. Mechanical model and stability analysis of progressive failure for thrust-type gently inclined shallow landslide [J]. Rock and Soil Mechanics, 2019, 40(12): 4767-4776. doi: 10.16285/j.rsm.2018.1885 CrossRef Google Scholar
[2]	苗发盛, 吴益平, 谢媛华, 等. 水位升降条件下牵引式滑坡离心模型试验[J]. 岩土力学, 2018, 39(2):605-613 doi: 10.16285/j.rsm.2016.2518 CrossRef Google Scholar MIAO Fasheng, WU Yiping, XIE Yuanhua, et al. Centrifugal test on retrogressive landslide influenced by rising and falling reservoir water level [J]. Rock and Soil Mechanics, 2018, 39(2): 605-613. doi: 10.16285/j.rsm.2016.2518 CrossRef Google Scholar
[3]	吴玮江, 宿星, 刘伟, 等. 黄土-泥岩接触面滑坡的特征与成因[J]. 冰川冻土, 2014, 36(5):1167-1175 Google Scholar WU Weijiang, SU Xing, LIU Wei, et al. Loess-mudstone interface landslides: Characteristics and causes [J]. Journal of Glaciology and Geocryology, 2014, 36(5): 1167-1175. Google Scholar
[4]	Wen B P, Wang S J, Wang E Z, et al. Deformation characteristics of loess landslide along the contact between loess and neocene red mudstone [J]. Acta Geologica Sinica, 2005, 79(1): 139-151. doi: 10.1111/j.1755-6724.2005.tb00875.x CrossRef Google Scholar
[5]	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. doi: 10.1016/j.enggeo.2017.04.006 CrossRef Google Scholar
[6]	Chen J C, Wang L M, Wang P, et al. Failure mechanism investigation on loess-mudstone landslides based on the Hilbert–Huang transform method using a large-scale shaking table test [J]. Engineering Geology, 2022, 302: 106630. doi: 10.1016/j.enggeo.2022.106630 CrossRef Google Scholar
[7]	Wang H J, Sun P, Zhang S, et al. Rainfall-induced landslide in loess area, Northwest China: a case study of the Changhe landslide on September 14, 2019, in Gansu Province [J]. Landslides, 2020, 17(9): 2145-2160. doi: 10.1007/s10346-020-01460-0 CrossRef Google Scholar
[8]	辛鹏. 陕西宝鸡市渭河北岸大型黄土滑坡形成机理与危险性评估研究[D]. 北京: 中国地质科学院, 2013 Google Scholar XIN Peng. Research on the formation mechanism and hazards assessment of large loess landslide on the north bank of Weihe River Baoji city, Shaanxi province[D]. Beijing: Chinese Academy of Geological Sciences, 2013. Google Scholar
[9]	李媛, 吴奇. 孟家山黄土-红层接触面滑坡破坏机理研究[J]. 水文地质工程地质, 2001, 28(1):52-54 doi: 10.3969/j.issn.1000-3665.2001.01.015 CrossRef Google Scholar LI Yuan, WU Qi. The study of deformation mechanism on loess-red mudstone sliding surface in Mengjiashan landslide [J]. Hydrogeology & Engineering Geology, 2001, 28(1): 52-54. doi: 10.3969/j.issn.1000-3665.2001.01.015 CrossRef Google Scholar
[10]	封凯强. 黄土-泥岩切层滑坡滑带泥岩强度特性及滑坡变形破坏机理研究: 以兰州市某滑坡为例[D]. 西安: 西北大学, 2019 Google Scholar FENG Kaiqiang. Study on shear strength characteristics of mudstone of slip zone and deformation failure mechanism of loess-mudstone cutting layer landslide: A case study of landslide in Lanzhou[D]. Xi’an: Northwest University, 2019. Google Scholar
[11]	杨晨. 黄土-基岩接触面特性的环剪试验研究[D]. 杨凌: 西北农林科技大学, 2019 Google Scholar YANG Chen. Ring shear test study on characteristics of loess-bedrock interface[D]. Yangling: Northwest A&F University, 2019. Google Scholar
[12]	Li S H, Li C, Yao D, et al. Multiscale nonlinear analysis of failure mechanism of loess-mudstone landslide [J]. Catena, 2022, 213: 106188. doi: 10.1016/j.catena.2022.106188 CrossRef Google Scholar
[13]	Li S H, Li C, Yao D, et al. Interdisciplinary asperity theory to analyze nonlinear motion of loess landslides with weak sliding interface [J]. Landslides, 2020, 17(12): 2957-2965. doi: 10.1007/s10346-020-01479-3 CrossRef Google Scholar
[14]	Wang X G, Wang J D, Zhan H B, et al. Moisture content effect on the creep behavior of loess for the catastrophic Baqiao landslide [J]. Catena, 2020, 187: 104371. doi: 10.1016/j.catena.2019.104371 CrossRef Google Scholar
[15]	周琪, 许强, 周书, 等. 基于数值模拟的突发型黄土滑坡运动过程研究: 以黑方台陈家8#滑坡为例[J]. 山地学报, 2019, 37(4):528-537 Google Scholar ZHOU Qi, XU Qiang, ZHOU Shu, et al. Movement process of abrupt loess flowslide based on numerical simulation: a case study of Chenjia 8# on the Heifangtai terrace [J]. Mountain Research, 2019, 37(4): 528-537. Google Scholar
[16]	Urciuoli G, Picarelli L, Leroueil S. Local soil failure before general slope failure [J]. Geotechnical and Geological Engineering, 2007, 25(1): 103-122. doi: 10.1007/s10706-006-0009-0 CrossRef Google Scholar
[17]	Tang H M, Zou Z X, Xiong C R, et al. An evolution model of large consequent bedding rockslides, with particular reference to the Jiweishan rockslide in Southwest China [J]. Engineering Geology, 2015, 186: 17-27. doi: 10.1016/j.enggeo.2014.08.021 CrossRef Google Scholar
[18]	卢应发, 黄学斌, 刘德富. 推移式滑坡渐进破坏机制及稳定性分析[J]. 岩石力学与工程学报, 2016, 35(2):333-345 doi: 10.13722/j.cnki.jrme.2014.1117 CrossRef Google Scholar LU Yingfa, HUANG Xuebin, LIU Defu. Mechanism and stability analyses of progressive failure of thrust-type landslides [J]. Chinese Journal of Rock Mechanics and Engineering, 2016, 35(2): 333-345. doi: 10.13722/j.cnki.jrme.2014.1117 CrossRef Google Scholar
[19]	王振, 叶晓明, 刘永新. 考虑滑坡渐进破坏的改进简布条分法[J]. 岩土力学, 2018, 39(2):675-682 doi: 10.16285/j.rsm.2016.0474 CrossRef Google Scholar WANG Zhen, YE Xiaoming, LIU Yongxin. Improved Janbu slices method considering progressive destruction in landslide [J]. Rock and Soil Mechanics, 2018, 39(2): 675-682. doi: 10.16285/j.rsm.2016.0474 CrossRef Google Scholar
[20]	杜毅, 晏鄂川, 蔡静森, 等. 直线型复合式滑坡渐进破坏力学模型及稳定性研究[J]. 岩石力学与工程学报, 2021, 40(3):490-502 Google Scholar DU Yi, YAN Echuan, CAI Jingsen, et al. A mechanical model of progressive failure of linear complex landslides [J]. Chinese Journal of Rock Mechanics and Engineering, 2021, 40(3): 490-502. Google Scholar
[21]	李凯. 基于应变软化的滑坡三维稳定性分析与三维可视化建模[D]. 重庆: 重庆大学, 2016 Google Scholar LI Kai. Three-dimensional landslide stability analysis based on strain softening and three-dimensional visual modeling[D]. Chongqing: Chongqing University, 2016. Google Scholar
[22]	杨丽平. 一种黄土滑坡渐进破坏过程分析[J]. 岩土力学, 2018, 39(7):2591-2598 doi: 10.16285/j.rsm.2016.2233 CrossRef Google Scholar YANG Liping. Analysis of progressive failure of a loess landslide [J]. Rock and Soil Mechanics, 2018, 39(7): 2591-2598. doi: 10.16285/j.rsm.2016.2233 CrossRef Google Scholar
[23]	朱建东, 鄢好, 李绍红, 等. 黄土-泥岩接触面滑坡的两种雨型模型试验[J]. 工程地质学报, 2019, 27(3):623-631 doi: 10.13544/j.cnki.jeg.2018-139 CrossRef Google Scholar ZHU Jiandong, YAN Hao, LI Shaohong, et al. Laboratory model experiment of landslides along loess-mudstone interface induced by rainfall patterns [J]. Journal of Engineering Geology, 2019, 27(3): 623-631. doi: 10.13544/j.cnki.jeg.2018-139 CrossRef Google Scholar
[24]	白玉锋. 黄土试样开裂机理试验研究[D]. 西安: 长安大学, 2014 Google Scholar [BAI Yufeng. Experiment study on the cracking mechanism about loess ground under the environment of the cave[D]. Xi'an: Chang'an University, 2014. Google Scholar
[25]	Li C, Yao D, Wang Z, et al. Model test on rainfall-induced loess–mudstone interfacial landslides in Qingshuihe, China [J]. Environmental Earth Sciences, 2016, 75(9): 835. doi: 10.1007/s12665-016-5658-6 CrossRef Google Scholar
[26]	王新刚, 刘凯, 连宝琴, 等. 黄土-泥岩滑坡诱发因素及形成机理研究进展[J]. 西北大学学报:自然科学版, 2021, 51(3):404-413 Google Scholar WANG Xingang, LIU Kai, LIAN Baoqin, et al. Recent advance in understanding inducing factors and formation mechanism of loess-mudstone landslides [J]. Journal of Northwest University:Natural Science Edition, 2021, 51(3): 404-413. Google Scholar