CRACKING

作品数：448被引量：919H指数：13
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True triaxial unloading test on the mechanical behaviors of sandstone:Effects of the intermediate principal stress and structural plane
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2208-2226,共19页Fan Feng Zhiwei Xie Shaojie Chen Diyuan Li Siyu Peng Tong Zhang 
supports from the National Natural Science Foundation of China (Grant Nos.52004143 and 52374095);the open fund for the Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines (Grant No.SKLMRDPC21KF06).
A series of true triaxial unloading tests are conducted on sandstone specimens with a single structural plane to investigate their mechanical behaviors and failure characteristics under different in situ stress states...
关键词：True triaxial unloading Dip angle of structural plane Intermediate principal stress Mechanical behaviors Cracking modes Failure criterion 
Drought-induced desiccation cracking in surface soil:Two-dimensional characterization by FEM-OFDR framework
《Science China(Technological Sciences)》2025年第3期278-297,共20页Jinjian XU Chaosheng TANG Zhaojun ZENG Lin LI Junzheng ZHANG Tengfei GAO Bin SHI 
supported by the National Natural Science Foundation of China(Grant Nos.41925012,42230710,42172290);the Natural Science Foundation of Jiangsu Province(Grant No.BK20211087);the Key Laboratory Cooperation Special Project of Western Cross Team of Western Light,CAS(Grant No.xbzg-zdsys-202107);the China Scholarship Council(Grant No.202206190069);the Fundamental Research Funds for the Central Universities。
Drought-induced desiccation cracking can trigger several weakening mechanisms in surface soils,potentially precipitating instability and failure of slopes and earthen structures.To investigate the potential applicatio...
关键词：soil desiccation cracking distributed fibre optical sensing optical frequency domain reflectometry finite element method 2D crack patterns monitoring mechanism 
Effect of solidification path and volume shrinkage on cracking susceptibility at different cooling rates
《Journal of Iron and Steel Research International》2025年第2期418-425,共8页Wei-an Wang Yong-kun Yang Guo-xing Qiu Jian-li Wang Guo-hua Wang Xiao-ming Li 
supported by the National Natural Science Foundation of China(No.52074207 and No.52304358);the Natural Science Basic Research Program of Shaanxi(No.2023-JC-QN-0376);Shaanxi Province Innovation Ability Support Plan(No.2023-CX-TD-53).
Understanding the solidification characteristics and microsegregation under varying cooling rates is essential to comprehend the formation of center cracks in large section round billets.P91 high-alloy steel was taken...
关键词：In situ observation P91 high-alloy steel Central crack Large section continuous casting round billet Surface roughness Peritectic solidification 
A discontinuous smooth particle hydrodynamics method for modeling deformation and failure processes of fractured rocks
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期705-721,共17页Chengzhi Xia Zhenming Shi Bo Li Maomao Liu 
financial support from the National Key Research and Development Program of China(Grant No.2019YFC1509702);the Fundamental Research Funds for the Central Universities in China;the National Natural Science Foundation of China(Grant No.42377162).
A discontinuous smoothed particle hydrodynamics(DSPH)method considering block contacts is originally developed to model the cracking,frictional slip and large deformation in rock masses,and is verified by theoretical,...
关键词：Discontinuous smoothed particle hydrodynamics(DSPH) Pseudo-spring method CRACKING CONTACT Frictional slip 
China at Night Where Lanterns Dance with Neon
《China Pictorial》2025年第2期34-37,共4页Zheng Meichen 
Begin your nocturnal adventures in China at night markcts where earthly warmth thrives:Friends cluster around sizzling woks,cracking crayfish shells and skewering cumin-dusted lamb,their laughter merging with the clat...
关键词：DANCE SHELLS CRACKING 
Can laser irradiation improve the strength of weak rock mass?
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期139-153,共15页Xiaowei Feng Peng Huang Valter Carvelli Gongshun Lin Chuankai Zhu Fengzhen He 
supported by the National Natural Science Foundation of China(Grant No.51804296);China Scholarship Council Grant(Grant No.CSC#202006425019).
Controllable rock cracking technology is crucial for the exploration and exploitation of deep underground resources.Many existing studies have been dedicated to the laser-assisted rock-weakening technology.It has been...
关键词：Laser irradiation ROCK CRACKING Ablation Borehole stability Mechanical characteristics 
Contribution of Seismic and Magnetic Data for the Prevention of Geotechnical Risks Related to Building Cracking in Agadez Region (North Niger)
《International Journal of Geosciences》2025年第1期61-70,共10页Baraou Idi Souley Alassane Ibrahim Maman Bachir 
This study tries to highlight the role of magnetic and seismic data in the prevention of building cracking, which constitutes a geotechnical risk in Agadez City. This city is built on the faulted and fractured sandsto...
关键词：SEISMIC Magnetic PREVENTION Building Cracking Agadez NIGER 
Identification of failure behaviors of underground structures under dynamic loading using machine learning
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期414-431,共18页Chun Zhu Yingze Xu Manchao He Yujing Jiang Murat Karakus Lihua Hu Yalong Jiang Fuqiang Ren 
funding support from the National Natural Science Foundation of China(Grant No.52374119);the opening fund of State Key Laboratory of Coal Mine Disaster Dynamics and Control(Grant No.2011DA105827-FW202209);the opening fund of State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure,East China Jiaotong University(Grant No.HJGZ2023103).
Understanding the dynamic responses of hard rocks is crucial during deep mining and tunneling activities and when constructing nuclear waste repositories. However, the response of deep massive rocks with openings of d...
关键词：Dynamic mechanical response Cracking mode Hole shape/location effect Deep Neural Network(DNN) Stress-strain prediction 
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) 
Advancements in biomass gasification and catalytic tar-cracking technologies
《Materials Reports(Energy)》2024年第4期1-19,I0001,共20页Yong-hong Niu Zheng-yang Chi Ming Li Jia-zheng Du Feng-tao Han 
supported by the National Natural Science Foundation of China(52160013,51768054);Inner Mongolia Autonomous Region"Grassland Talent"Science Fund Program(CYY012057);Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region(NJYT22062);Inner Mongolia Natural Science Foundation(2021LHMS05026);Inner Mongolia University Research Program(2023RCTD018,2023YXXS023,2024YXXS047).
Biomass,heralded as sustainable“green coal”,plays a crucial role in energy conservation and achieving“dual carbon”objectives through clean conversion.This paper reviews advancements in biomass catalytic gasificati...
关键词：Biomass gasification Composite catalyst Tar cracking Thermal conversion 
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