云南高校图书馆联盟文献共享服务平台- CRACK

CRACK: 作品数：991被引量：1789H指数：15; 导出分析报告; 相关领域：理学更多>>; 相关作者：周丽君王媛范天佑潘登丁洪志更多>>; 相关机构：北京理工大学河海大学南京航空航天大学哈尔滨工业大学更多>>; 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中国博士后科学基金国家教育部博士点基金更多>>

Impact of injection pressure and polyaxial stress on hydraulic fracture propagation and permeability evolution in graywacke:Insights from discrete element models of a laboratory test: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2344-2359,共16页Haimeng Shen Jeoung Seok Yoon Arno Zang Hannes Hofmann Xiaying Li Qi Li; supported by the Knowledge Innovation Program of Wuhan-Basic Research (Grant No.2022010801010159);support from the Helmholtz Association's Initiative and Networking Fund for the Helmholtz Young Investigator Group ARES (Contract number VH-NG-1516);supported by the Swedish Radiation Safety Authority (Project SSM2020-2758).; Understanding the hydromechanical behavior and permeability stress sensitivity of hydraulic fractures is fundamental for geotechnical applications associated with fluid injection.This paper presents a three-dimensiona...; 关键词：Hydraulic fracture Discrete element model(DEM) Polyaxial stress Permeability evolution Crack front Fluid pressure front

Crack and failure behaviors of sandstone subjected to dynamic loads visualized by micro-computed tomography: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1459-1473,共15页Xingyu Zhang Pengfei Guo Xiangbo Gao Chunjiang Zou Kaiyu Wang Jinzhu Hu Yan Sun Liang Lei; supported by Research Center for Industries of the Future(RCIF);Key Laboratory of Rock Mechanics and Geohazards of Zhejiang Province(No.ZJRMG-2022-03);Key Research and Development Program of Guangxi Province(No.Guike AB22080035);which are gratefully acknowledged.In addition,we are grateful for the valuable and constructive feedback provided by the anonymous reviewers,which has greatly improved this manuscript.; Microscopic dynamic failure behaviors of rocks are significant to rock engineering,which is still insufficiently understood.This study combines split Hopkinson pressure bar(SHPB)and micro-CT(computed tomography)to exp...; 关键词：Dynamic rock failure 3D observation Microscopic failure mechanism

A model LayerDFN for characterizing the inherent anisotropic rocks with large-scale and dense joints: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1569-1584,共16页Gang Han Shuling Huang Chuanqing Zhang Xiuli Ding Yuting Zhang Yang Gao Jun He; supported by financial support from the National Natural Science Foundation of China(Grant Nos.52309122 and U2340229);the Innovation Team of Changjiang River Scientific Research Institute(Grant No.CKSF2024329/YT).; Large-scale and heavily jointed rocks have inherent planes of anisotropy and secondary structural planes,such as dominant joint sets and random fractures,which result in significant differences in their failure mechan...; 关键词：Inherent anisotropic rocks Secondary structural planes Constitutive model Crack tensor Damage tensor

A 3D discrete model for soil desiccation cracking in consideration of moisture diffusion被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期614-635,共22页Chengzeng Yan Tie Wang; supported by the State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering(Grant No.SKLGDUEK2206);National Natural Science Foundation of China(Grant No.11872340).; Soil desiccation cracking is a common phenomenon on the earth surface.Numerical modeling is an effective approach to study the desiccation cracking mechanism of soil.This work develops a novel 3D moisture diffusion di...; 关键词：Moisture migration Soil desiccation cracking Crack hindering effect Crack pattern Finite-discrete element method(FDEM)

An improved strain-softening constitutive model of granite considering the effect of crack deformation被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第4期1202-1215,共14页Yapeng Li Qiang Zhang Qiuxin Gu Peinan Wu Binsong Jiang; financially supported by the National Natural Science Foundation of China(Grant No.52074269).; This paper presents an improved strain-softening constitutive model considering the effect of crack deformation based on the triaxial cyclic loading and unloading test results.The improved model assumes that total str...; 关键词：STRAIN-SOFTENING Crack deformation effect Plastic shear strain Constitutive model

A hybrid attention deep learning network for refined segmentation of cracks from shield tunnel lining images被引量：3: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第12期3105-3117,共13页Shuai Zhao Guokai Zhang Dongming Zhang Daoyuan Tan Hongwei Huang; support from the Ministry of Science and Tech-nology of the:People's Republic of China(Grant No.2021 YFB2600804);the Open Research Project Programme of the State Key Labor atory of Interet of Things for Smart City(University of Macao)(Grant No.SKL-IoTSC(UM)-2021-2023/ORPF/A19/2022);the General Research Fund(GRF)project(Grant No.15214722)from Research Grants Council(RGC)of Hong Kong Special Administrative Re gion Government of China are gratefully acknowledged.; This research developed a hybrid position-channel network (named PCNet) through incorporating newly designed channel and position attention modules into U-Net to alleviate the crack discontinuity problem in channel an...; 关键词：Crack segmentation Crack disjoint problem U-net Channel attention Position attention

Experimental investigation on crack initiation and damage stresses of deep granite under triaxial compression using acoustic methods: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第11期3071-3078,共8页Xiaoling Zhao Tao Zhou Tianqi Zhai Yang Ju Jianbo Zhu; funded by Shenzhen Basic Research Program,China(Grant No.JCYJ20220818095605012);the Program for Guangdong Introducing Innovative and Entrepreneurial Teams,China(Grant No.2019ZT08G315);the National Science Foundation of China(Grant No.52121003).; Crack initiation stress and crack damage stress are two critical indices for assessing the fracture strength of rock mass.However,understanding the stress characteristics of crack initiation and damage under triaxial ...; 关键词：Crack stress Ultrasonic wave Acoustic emission(AE) Triaxial compression

Evolution of cracks in the shear bands of granite residual soil被引量：6: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第6期1956-1966,共11页Chengsheng Li Lingwei Kong Ran An; the Building Fund for the Academic Innovation Team of Shantou University,China(Grant No.NTF21017);the Special Fund for Science and Technology of Guangdong Province in 2021(Grant No.STKJ2021181);the National Natural Science Foundation of China(Grant No.11672320)。; The evolution of shear bands and cracks plays an important role in landslides.However,there is no systematic method for classification of the cracks,which can be used to analyze the evolution of cracks in shear bands....; 关键词：Shear band Crack classification method Digital volume correlation(DVC) X-ray computed tomography(CT) Granite residual soil

Fracture of two three-dimensional parallel internal cracks in brittle solid under ultrasonic fracturing被引量：7: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第3期757-769,共13页Haijun Wang Hanzhang Li Lei Tang Xuhua Ren Qingxiang Meng Chun Zhu; supported by the National Natural Science Foundation of China (Grant Nos. 52104125, U1765204 and 51739008); Similar to hydraulic fracturing(HF), the coalescence and fracture of cracks are induced within a rock under the action of an ultrasonic field, known as ultrasonic fracturing(UF). Investigating UF is important in both ...; 关键词：Three-dimensional internal laser-engraved crack(3D-ILC) Interaction of cracks Ultrasonic fatigue Penny-shaped crack Fracture mechanics High-cycle fatigue

Multi-exponential model to describe pressure-dependent P-and S-wave velocities and its use to estimate the crack aspect ratio被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第2期385-395,共11页Mihály Dobróka Norbert Péter Szabó Tünde Edit Dobróka Mátyás Krisztián Baracza; supported by the European Union,co-financed by the European Social Fund and the GINOP-2.315-2016-00010"Development of enhanced engineering methods with the aim at utilization of subterranean energy resources"project in the framework of the Szechenyi 2020 Plan,funded by the European Union,co-financed by the European Structural and Investment Funds。; We present new quantitative model describing the pressure dependence of acoustic P-and S-wave velocities.Assuming that a variety of individual mechanisms or defects(such as cracks,pore collapse and grain crushing)can ...; 关键词：Multi-exponential rock physical model Spectral inversion method(SIM) Crack aspect ratio Characteristic pressures

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