1. 中国地质大学(武汉)工程学院
2. 中国地质大学(武汉)湖北巴东地质灾害国家野外科学观测研究站
3. 郑州大学土木工程学院
4. 长江科学院水利部岩土力学与工程重点实验室
纸质出版:2025
移动端阅览
冼树兴, 叶阳, 李长冬, 等. 干湿循环作用下软硬相间地层滑坡-抗滑桩体系劣化特性有限-离散元法(FDEM)数值模拟[J]. 地质科技通报, 2025,44(6):2-16.
冼树兴, 叶阳, 李长冬, et al. 干湿循环作用下软硬相间地层滑坡-抗滑桩体系劣化特性有限-离散元法(FDEM)数值模拟[J]. Bulletin of Geological Science and Technology, 2025, 44(6): 2-16.
冼树兴, 叶阳, 李长冬, 等. 干湿循环作用下软硬相间地层滑坡-抗滑桩体系劣化特性有限-离散元法(FDEM)数值模拟[J]. 地质科技通报, 2025,44(6):2-16. DOI: 10.19509/j.cnki.dzkq.tb20230700.
冼树兴, 叶阳, 李长冬, et al. 干湿循环作用下软硬相间地层滑坡-抗滑桩体系劣化特性有限-离散元法(FDEM)数值模拟[J]. Bulletin of Geological Science and Technology, 2025, 44(6): 2-16. DOI: 10.19509/j.cnki.dzkq.tb20230700.
三峡库区秭归盆地广泛分布以软硬相间地层为主的易滑地层,在长期的库水浸泡冲刷、降雨等作用下,地层岩土体发生劣化损伤,成为降低滑坡稳定和影响工程安全的重要内因。以软硬相间地层岩土体为研究对象,采用有限-离散元法(finite discrete element method,简称FDEM)对不同干湿循环作用下软硬相间地层中硬岩和软岩的力学参数进行了标定,然后通过改进的泰森多边形程序进行了网格重划分,实现了零厚度黏聚力单元的嵌入功能,提出并建立了软硬相间地层滑坡-抗滑桩体系FDE.M数值计算模型,最后对不同干湿循环作用下滑坡裂纹的形成过程和抗滑桩的嵌固机理进行了研究。研究结果表明:(1)滑坡模拟裂纹数量随着干湿循环次数的增加而增多,裂纹宽度也逐渐增大,并与马家沟滑坡现场裂缝进行了对比,模拟结果与现场基本一致;(2)滑坡-抗滑桩体系的模拟裂纹呈现2种演化模式,一是裂纹从桩顶侧岩土体沿着桩身向下扩展,二是裂纹从抗滑桩周围逐渐向滑体内部延伸,与横向裂纹和竖向裂纹连通,最终形成大型的贯通裂纹;(3)当干湿循环次数增加时,抗滑桩桩身水平位移、弯矩和剪力也随之增加;(4)抗滑桩嵌固段的软硬相间地层基岩内的裂纹具有局部化发育特征,而且随干湿循环次数的增加,区域内的应力逐渐减小,位移和应变则逐渐增大,相应的裂纹也愈发密集。研究成果可为不同干湿循环作用下软硬相间地层滑坡防治提供技术支撑。
姚文敏.基于水致岩体劣化的三峡库区侏罗系地层水库滑坡抗滑桩嵌固机理及其优化研究[D].中国地质大学,2020(03).
Bao Yiding,Chen Jianping,Su Lijun,Zhang Wen,Zhan Jiewei.A novel numerical approach for rock slide blocking river based on the CEFDEM model: A case study from the Samaoding paleolandslide blocking river event[J].Engineering Geology,2023.
Sun Lei,Liu Quansheng,Abdelaziz Aly,Tang Xuhai,Grasselli Giovanni.Simulating the entire progressive failure process of rock slopes using the combined finite-discrete element method[J].Computers and Geotechnics,2022.
Jinge Wang,Shun Wang,Aijun Su,Wei Xiang,Chengren Xiong,Philipp Blum.Simulating landslide-induced tsunamis in the Yangtze River at the Three Gorges in China[J].Acta Geotechnica,2021.
Wenmin Yao,Changdong Li,Hongbin Zhan,Jia-Qing Zhou,Robert E. Criss,Shuang Xiong,Xihui Jiang.Multiscale Study of Physical and Mechanical Properties of Sandstone in Three Gorges Reservoir Region Subjected to Cyclic Wetting–Drying of Yangtze River Water[J].Rock Mechanics and Rock Engineering,2020.
Zhijun Wu,Penglin Zhang,Lifeng Fan,Quansheng Liu.Numerical study of the effect of confining pressure on the rock breakage efficiency and fragment size distribution of a TBM cutter using a coupled FEM-DEM method[J].Tunnelling and Underground Space Technology incorporating Trenchless Technology Research,2019.
The State Key Laboratory of Water Resources and Hydropower Engineering Science and the Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, School of Civil Engineering, Wuhan University, No. 8 Donghu South Road, Wuhan 430072, China,The State Key Laboratory of Water Resources and Hydropower Engineering Science and the Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, School of Civil Engineering, Wuhan University, No. 8 Donghu South Road, Wuhan 430072, China.A numerical investigation of element size and loading/unloading rate for intact rock in laboratory-scale and field-scale based on the combined finite-discrete element method[J].Engineering Fracture Mechanics,2019.
Xudong Chen,Hongfan Wang.Slope Failure of Noncohesive Media Modelled with the Combined Finite–Discrete Element Method[J].Applied Sciences,2019.
Chengzeng Yan,Hong Zheng.FDEM-flow3D: A 3D hydro-mechanical coupled model considering the pore seepage of rock matrix for simulating three-dimensional hydraulic fracturing[J].Computers and Geotechnics,2017.
Qinghua Lei,John-Paul Latham,Jiansheng Xiang.Implementation of an Empirical Joint Constitutive Model into Finite-Discrete Element Analysis of the Geomechanical Behaviour of Fractured Rocks[J].Rock Mechanics and Rock Engineering,2016.
B.S.A. Tatone,G. Grasselli.A calibration procedure for two-dimensional laboratory-scale hybrid finite–discrete element simulations[J].International Journal of Rock Mechanics and Mining Sciences,2015.
A. Lisjak,G. Grasselli,T. Vietor.Continuum–discontinuum analysis of failure mechanisms around unsupported circular excavations in anisotropic clay shales[J].International Journal of Rock Mechanics and Mining Sciences,2014.
Davide Elmo,Doug Stead,Erik Eberhardt,Alex Vyazmensky.Applications of Finite/Discrete Element Modeling to Rock Engineering Problems[J].International Journal of Geomechanics,2013.
O. K. Mahabadi,A. Lisjak,A. Munjiza,G. Grasselli.Y-Geo: New Combined Finite-Discrete Element Numerical Code for Geomechanical Applications[J].International Journal of Geomechanics,2012.
A. A. Griffith.The Phenomena of Rupture and Flow in Solids[J].Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Mathematical or Physical Character,1921.
张柏楠,韩勃,代松,何奔,赖踊卿.基于FDEM的大型海上风机嵌岩单桩基础水平承载特性研究[J].岩石力学与工程学报,2023(S1).
刘洋,吴志军,储昭飞,翁磊,徐翔宇,周原,高波,毛春光.基于FDEM的围压条件下机械冲击破岩机理研究[J].中南大学学报(自然科学版),2023(03).
程树范,曾亚武,高睿,张嘉凡,覃祥瑞.黏土岩中水泥锚固体滑脱的有限-离散元模型初探[J].岩土工程学报,2023(12).
邓鹏海,刘泉声,黄兴.基于Weibull分布的非均质隧洞围岩破裂碎胀FDEM数值模拟研究[J].工程力学,2024(07).
唐辉明,李长冬,龚文平,邹宗兴,张永权,张抒,张俊荣.滑坡演化的基本属性与研究途径[J].地球科学,2022(12).
罗晓娟,寇桓嘉,祝国强,宋成彬,苗宇芃.断层破碎带条件下组合式圆截面抗滑桩加固边坡效果研究[J].地质科技通报,2022(06).
丰月华,罗晓娟,李俊良,曹泽华,姚文敏,宋成彬.上硬下软地层中h型桩与滑坡相互作用机理模型试验研究[J].地质科技通报,2022(06).
李长冬,谭钦文.动水驱动型滑坡物理启滑能够预测吗?[J].地球科学,2022(10).
唐雅婷,谭杰,李长冬,李炳辰,周文娟.基于模型试验的动水驱动型顺层岩质滑坡启滑机制初探[J].地质科技通报,2022(06).
王贵华,李长冬,贺鑫,张永权,姚文敏,宋成彬,张华伟.不同布锚方式对锚索抗滑桩受力与变形影响的物理模型试验研究[J].地质科技通报,2022(06).
孙秋荣.基于FDEM的混凝土开裂破坏过程的数值模拟[J].水利水电技术(中英文),2021(07).
汪发武,宋琨.库水位涨落条件下不同结构边坡的变形破坏机制分析——以千将坪滑坡和树坪滑坡为例[J].工程地质学报,2021(03).
王旋,胡新丽,周昌,李岚星.基于物理模型试验的滑坡-抗滑桩位移场变化特征[J].地质科技通报,2020(04).
周云涛,石胜伟,蔡强,张勇,梁炯,程英建.基于能量损失的抗滑桩损伤模型及其应用[J].地质力学学报,2019(06).
王贵华,李长冬,陈文强,熊爽,于淼,张华伟.复合多层滑床条件下锚索抗滑桩受力特征研究[J].岩石力学与工程学报,2019(11).
赵健,杨立,邓冬梅,张健,邓姗.基于3DEC对某输电线路新建铁塔岩质边坡的稳定性评价[J].安全与环境工程,2018(02).
董曼曼,王亮清,葛云峰,王聪.考虑滑床复合倾斜岩体综合地基系数的抗滑桩受力特征研究[J].岩土力学,2017(10).
陶志刚,张海江,尹利洁,韩文帅,陈伊凡.基于FDEM的戒台寺古滑体开裂破坏过程数值模拟[J].水文地质工程地质,2017(03).
咸玉建,陈学军,汪志刚,赵志永.基于有限元强度折减系数法岩土边坡稳定性分析与抗滑桩设计[J].地质科技情报,2015(04).
吴丹丹,胡新丽,雍睿,祝廷尉,李蕊.三峡库区马家沟滑坡模型形态概化[J].地球科学(中国地质大学学报),2014(11).
叶海林,郑颖人,黄润秋,杜修力,李安洪,许江波.强度折减动力分析法在滑坡抗滑桩抗震设计中的应用研究[J].岩土力学,2010(S1).
张晓平,王思敬,王幼明,韩庚友.二维离散元模拟抗滑桩的折算方法研究[J].岩土工程学报,2010(02).
杨顺安,晏同珍.预测滑坡学概要[J].中国地质灾害与防治学报,1998(S1).
0
浏览量
452
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构
京公网安备11010802024621