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DISCONTINUITIES: 作品数：88被引量：185H指数：6; 导出分析报告; 相关领域：理学更多>>; 相关作者：胡江涂传诒何建森王新孙玲玲更多>>; 相关机构：北京大学中国科学院德国基尔大学重庆大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划北京市自然科学基金浙江省重点科技计划更多>>

Prediction of joint roughness coefficient via hybrid machine learning model combined with principal components analysis: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2291-2306,共16页Shijie Xie Hang Lin Tianxing Ma Kang Peng Zhen Sun; funding from the National Natural Science Foundation of China (Grant No.42277175);the pilot project of cooperation between the Ministry of Natural Resources and Hunan Province“Research and demonstration of key technologies for comprehensive remote sensing identification of geological hazards in typical regions of Hunan Province” (Grant No.2023ZRBSHZ056);the National Key Research and Development Program of China-2023 Key Special Project (Grant No.2023YFC2907400).; Joint roughness coefficient(JRC)is the most commonly used parameter for quantifying surface roughness of rock discontinuities in practice.The system composed of multiple roughness statistical parameters to measure JRC...; 关键词：Rock discontinuities Joint roughness coefficient(JRC) Roughness characterization Principal components analysis(PCA) Machine learning

Examining theoretical applicability of displacement discontinuity model to wave propagation across rock discontinuities: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2146-2158,共13页Yan Zhang Jianbo Zhu Haohao Xu Dongya Han Weiyue Bao; supported by the National Key R&D Program of China (No.2022YFC3004602);the National Natural Science Foundation of China (No.52325404);the Shenzhen Science and Technology Program (No.JCYJ20220818095605012).; Rock discontinuities such as joints widely exist in natural rock masses,and wave attenuation through rock masses is mainly caused by discontinuities.The displacement discontinuity model(DDM)has been widely used in the...; 关键词：Displacement discontinuity model Wave propagation 3D printing Joint stiffness Joint roughness

Artificial intelligence-aided semi-automatic joint trace detection from textured three-dimensional models of rock mass: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期1973-1985,共13页Seyedahmad Mehrishal Jineon Kim Yulong Shao Jae Joon Song; supported by grants from the Human Resources Development program (Grant No.20204010600250);the Training Program of CCUS for the Green Growth (Grant No.20214000000500)by the Korea Institute of Energy Technology Evaluation and Planning (KETEP);funded by the Ministry of Trade,Industry,and Energy of the Korean Government (MOTIE).; It is of great importance to obtain precise trace data,as traces are frequently the sole visible and measurable parameter in most outcrops.The manual recognition and detection of traces on high-resolution three-dimens...; 关键词：Automatic trace detection Digital joint mapping Rock discontinuities characterization Three-dimensional(3D)trace network

A human-machine interaction method for rock discontinuities mapping by three-dimensional point clouds with noises: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1646-1663,共18页Qian Chen Yunfeng Ge Changdong Li Huiming Tang Geng Liu Weixiang Chen; supported by the National Key R&D Program of China(No.2023YFC3081200);the National Natural Science Foundation of China(No.42077264);the Scientific Research Project of PowerChina Huadong Engineering Corporation Limited(HDEC-2022-0301).; Rock discontinuities control rock mechanical behaviors and significantly influence the stability of rock masses.However,existing discontinuity mapping algorithms are susceptible to noise,and the calculation results ca...; 关键词：Rock discontinuities Three-dimensional(3D)point clouds Discontinuity identification Orientation measurement Human-machine interaction

Upper mantle discontinuity structure beneath the Hindu Kush:Insights into dynamics of the Indian slab: 《Science China Earth Sciences》2025年第3期720-729,共10页Qinghui CUI Yuanze ZHOU Yuan GAO Lijun LIU; supported by the National Natural Science Foundation of China (Grant Nos. 42074101, 42374113, 42074103);the Central Public-interest Scientific Institution Basal Research Fund (Grant Nos. CEAIEF20220201, CEAIEF20230204);the Science & Technology Fundamental Resources Investigation Program (Grant No. 2023FY101500);the TianHe Qingsuo Special Fund Project。; Upper mantle discontinuities play an important role in slab dynamics and mantle responses in the subduction zones.Despite increasing numbers of seismological observations in the Hindu Kush, fine structures of mantle d...; 关键词：Hindu Kush subduction zone Upper mantle discontinuities Indian slab Hot slab-entrained mantle N-th root slant stacking

A new integrated intelligent computing paradigm for predicting joints shear strength: 《Geoscience Frontiers》2024年第6期176-193,共18页Shijie Xie Zheyuan Jiang Hang Lin Tianxing Ma Kang Peng Hongwei Liu Baohua Liu; This paper gets its funding from Projects(42277175);supported by National Natural Science Foundation of China,Project(2023JJ30657);supported by Hunan Provincial Natural Science Foundation of China and the National Key Research,Hunan Provincial Department of natural resources geological exploration project(BSDZSB43202403);The First National Natural Disaster Comprehensive Risk Survey in Hunan Province(2022-70;the National Key Research and Development Program of China-2023 Key Special Project(No.2023YFC2907400).; Joints shear strength is a critical parameter during the design and construction of geotechnical engineering structures.The prevailing models mostly adopt the form of empirical functions,employing mathematical regress...; 关键词：Rock discontinuities Joints shear strength Metaheuristic optimization algorithms Machine learning

Discontinuities of Banana Integrals in Dispersion Relation Representation: 《Chinese Physics Letters》2024年第11期12-16,共5页Xu-Liang Chen Peng-Fei Yang Wei Chen; supported by the National Natural Science Foundation of China(Grant No.12175318);the Natural Science Foundation of Guangdong Province of China(Grant No.2022A1515011922).; We derive the discontinuities of banana integrals using the dispersion relation iteratively,and find a series of identities between the parameterized discontinuities of banana integrals(p-DOBIs).Similar to elliptic in...; 关键词：DISPERSION INTEGRALS enable

Numerical and theoretical study of large-scale failure of strata overlying sublevel caving mines with steeply dipping discontinuities: 《International Journal of Minerals,Metallurgy and Materials》2024年第8期1799-1815,共17页Kaizong Xia Zhiwei Si Congxin Chen Xiaoshuang Li Junpeng Zou Jiahao Yuan; Financial support for this work was provided by the Youth Fund Program of the National Natural Science Foundation of China (No. 42002292);the General Program of the National Natural Science Foundation of China (No. 42377175);the General Program of the Hubei Provincial Natural Science Foundation, China (No. 2023AFB631); The deformation and fracture evolution mechanisms of the strata overlying mines mined using sublevel caving were studied via numerical simulations.Moreover,an expression for the normal force acting on the side face of...; 关键词：sublevel caving mines universal distinct element code(UDEC)numerical approach large-scale ground movement steeply dipping superimposed cantilever beam toppling failure

Experimental investigation on shear strength deterioration at the interface between different rock types under cyclic loading: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第8期3063-3079,共17页Qiong Wu Zhiqi Liu Huiming Tang Liangqing Wang Xiaoxue Huo Zhen Cui Shiyu Li Bo Zhang Zhiwei Lin; supported by the National Natural Science Foundation of China(Grant Nos.42377182,52079133 and 41931295).; The shear strength deterioration of bedding planes between different rock types induced by cyclic loading is vital to reasonably evaluate the stability of soft and hard interbedded bedding rock slopes under earthquake...; 关键词：Discontinuities with different joint wall material(DDJM) Discontinuities with identical joint wall material(DIJM) Cyclic shear test Shear strength deterioration Joint surface morphology Shear displacement amplitude Shear rate Normal stress

Scale-space effect and scale hybridization in image intelligent recognition of geological discontinuities on rock slopes被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第4期1315-1336,共22页Mingyang Wang Enzhi Wang Xiaoli Liu Congcong Wang; supported by the National Natural Science Foundation of China(Grant No.52090081);the State Key Laboratory of Hydro-science and Hydraulic Engineering(Grant No.2021-KY-04).; Geological discontinuity(GD)plays a pivotal role in determining the catastrophic mechanical failure of jointed rock masses.Accurate and efficient acquisition of GD networks is essential for characterizing and understa...; 关键词：Image processing Geological discontinuities Deep learning MULTI-SCALE Scale-space theory Scale hybridization

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