SANDSTONE

作品数：530被引量：1216H指数：16
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相关作者：李易隆曹宏巴晶姚逢昌杨志芳更多>>
相关机构：中国石油天然气集团公司中国地质大学（北京）中国石油中国石油天然气股份有限公司更多>>
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Influence of drying-wetting cycles and soaking conditions on the shear creep characteristics of sandstone joints
《Journal of Mountain Science》2025年第4期1462-1481,共20页GAO Yingchao WU Qiang WEI Wei JIANG Qinghui JIANG Shu ZHANG Chunshun DONG Jie 
financial support from the National Natural Science Foundation of China(Grant Nos.52479108,52408391);the Fundamental Research Funds for the Central Universities(2042024kf0032);the Postdoctoral Fellowship Program(Grade C)of China Postdoctoral Science Foundation(Grant No.GZC20241283);the Natural Science Foundation of Hubei Province,China(No.2024AFB160)。
Numerous slope failures have been reported during periods of water level fluctuations.Understanding the influence of water on the creep behavior of joints is essential for evaluating the long-term stability of slopes....
关键词：Drying-wetting cycles Soaking conditions Shear creep Sandstone joints Computerized tomography 
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 
Mechanical properties of sandstone under in-situ high-temperature and confinement conditions
《International Journal of Minerals,Metallurgy and Materials》2025年第4期778-787,共10页Liyuan Liu Juan Jin Jiandong Liu Wei Cheng Minghui Zhao Shengwen Luo Yifan Luo Tao Wang 
financially supported by the Beijing Natural Science Foundation,China (No.JQ21028);the National Natural Science Foundation of China (Nos.52311530070,52278326,and 52004015);the Major National Science and Technology Project for Deep Earth,China (No.2024ZD1003805);the Project from PetroChina RIPED:the Study on the evolution law of Mineral Structure and Rock Mechanical Properties Under Ultra-High Temperature Conditions (No.2022-KFKT-02);the Fundamental Research Funds for the Central Universities of China (No.FRF-IDRY-20-003,Interdisciplinary Research Project for Young Teachers of USTB)。
Low-to medium-maturity oil shale resources display substantial reserves, offering promising prospects for in-situ conversion inChina. Investigating the evolution of the mechanical properties of the reservoir and capro...
关键词：in-situ high temperature mechanical property thermal damage thermomechanical coupling 
Applicability of existing criteria of rockburst tendency of sandstone in coal mines
《International Journal of Mining Science and Technology》2025年第3期417-431,共15页Tianqi Nan Linming Dou Piotr Małkowski Wu Cai Haobing Li Shun Liu 
financial support for this work provided by the National Natural Science Foundation of China (No.52227901)。
To evaluate the accuracy of rockburst tendency classification in coal-bearing sandstone strata,this study conducted uniaxial compression loading and unloading tests on sandstone samples with four distinct grain sizes....
关键词：Burst energy index Pre-peak stored elastic energy Ejection energy of rock fragments Machine learning Rockburst tendency classification 
Insights into reaction mechanisms:Water's role in enhancing in-situ hydrogen production from methane conversion in sandstone
《Journal of Energy Chemistry》2025年第3期353-364,共12页Keju Yan Krishna Prasad Shrestha Mohamed Amine Ifticene Qingwang Yuan 
supported by a generous gift from The CH Foundation;the support from the Distinguished Graduate Student Assistantship and the Graduate Research Support Award at Texas Tech University;the Aid fund from AAPG;the Matejek Family Faculty Fellowship。
In-situ conversion of subsurface hydrocarbons via electromagnetic(EM)heating has emerged as a promising technology for producing carbon-zero and affordable hydrogen(H_(2))directly from natural gas reservoirs.However,t...
关键词：In-situ hydrogen production Water enhancement Methane-to-hydrogen conversion Reaction mechanism Electromagnetic heating 
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 
Microstructure deterioration of sandstone under freeze-thaw cycles using CT technology:The effects of different water immersion conditions
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1599-1611,共13页Bei Qiu Lifeng Fan Xiuli Du 
funding support from the National Natural Science Foundation of China(Grant No.12172019).
In cold regions,rock structures will be weakened by freeze-thaw cycles under various water immersion conditions.Determining how water immersion conditions impact rock deterioration under freeze-thaw cycles is critical...
关键词：Freeze-thaw cycles Water immersion condition Computed tomography(CT) Microstructure deterioration SANDSTONE 
Energy characteristics of saturated Jurassic sandstone in western China under different stress paths
《Deep Underground Science and Engineering》2025年第1期158-168,共11页Yi Yang Jian Lin Yun Wu Shilong Peng Wanhang Shao Lining Yang 
Anhui Natural Science Foundation Youth Program,Grant/Award Number:2208085QE142;National Natural Science Foundations of China,Grant/Award Numbers:52004003,52304073;Opening Foundation of Anhui Province Key Laboratory of Building Structure and Underground Engineering,Grant/Award Number:KLBSUE-2022-04。
To study the energy evolution and failure characteristics of saturated sandstone under unloading conditions,rock unloading tests under different stress paths were conducted.The energy evolution mechanism of the unload...
关键词：energy evolution failure characteristics SANDSTONE stress path UNLOADING 
Seismic Prediction Methods for Tidal Flat Sand Bodies in the Shunbei Area of the Tarim Basin
《Applied Geophysics》2025年第1期176-196,235,共22页Zhi-peng Sun Rui-zhao Yang Jing-rui Chen Hao Zhang Shi-jie Zhang Peng-hui Yang Feng Geng 
Collaborative Project Grant from the Exploration and Development Research Institute of SINOPEC Northwest Oilfi eld Company(Grant No.KY2021-S-104).
The Tarim Basin has revealed numerous tight sandstone oil and gas reservoirs.The tidal fl at zone in the Shunbei area is currently in the detailed exploration stage,requiring a comprehensive description of the sand bo...
关键词：Shunbei Area Seismic Facies Vector Quantization PCA Sandstone prediction 
Prediction of sandstone porosity in coal seam roof based on variable mode decomposition and random forest method
《Applied Geophysics》2025年第1期197-208,235,236,共14页Huang Ya-ping Qi Xue-mei Cheng Yan Zhou Ling-ling Yan Jia-hao Huang Fan-rui 
National Natural Science Foundation of China(Grant No.42274180);National Key Research and Development Program of China(2021YFC2902003).
Evaluation of water richness in sandstone is an important research topic in the prevention and control of mine water disasters,and the water richness in sandstone is closely related to its porosity.The refl ection sei...
关键词：VMD random forest method coal seams SANDSTONE POROSITY 
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