ROCK

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Strength prediction and cuttability identification of rock based on monitoring while cutting(MWC)using a conical pick
《International Journal of Minerals,Metallurgy and Materials》2025年第5期1025-1043,共19页Shaofeng Wang Yumeng Wu Xinlei Shi Xin Cai Zilong Zhou 
supported by the National Natural Science Foundation of China(Nos.52174099 and 52474168);the Science and Technology Innovation Program of Hunan Province,China(No.2023RC3050);the Natural Science Foundation of Hunan,China(No.2024JJ4064);the Open Fund of the State Key Laboratory of Safety Technology of Metal Mines(No.kfkt2023-01).
Real-time identification of rock strength and cuttability based on monitoring while cutting during excavation is essential for key procedures such as the precise adjustment of excavation parameters and the in-situ mod...
关键词：conical picks strength prediction cuttability identification machine learning monitoring while cutting 
Influence of Fracturing Fluid Properties on the Frictional Coefficient of Shale Rock and Hydraulic Fracture Length
《Energy Engineering》2025年第5期1823-1837,共15页Yining Zhou Yufeng Li Chen Zhang Tao Wu Jingru Zhang Bowen Yun Rui Tan Wei Yan 
This study investigated the micro-sliding frictional behavior of shale in fracturing fluids under varying operational conditions using Chang 7 shale oil reservoir core samples.Through systematic micro-sliding friction...
关键词：SHALE micro-sliding friction fracture network complexity fracturing fluid optimization 
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 
Application of Unmanned Aerial Vehicle Remote Sensing on Dangerous Rock Mass Identification and Deformation Analysis:Case Study of a High-Steep Slope in an Open Pit Mine
《Journal of Earth Science》2025年第2期750-763,共14页Wenjie Du Qian Sheng Xiaodong Fu Jian Chen Jingyu Kang Xin Pang Daochun Wan Wei Yuan 
financially supported by the Youth Innovation Promotion Association CAS(No.2021325);the National Natural Science Foundation of China(Nos.52179117,U21A20159);the Research project of Panzhihua Iron and Steel Group Mining Co.,Ltd.(No.2021-P6-D2-05)。
Source identification and deformation analysis of disaster bodies are the main contents of high-steep slope risk assessment,the establishment of high-precision model and the quantification of the fine geometric featur...
关键词：high-steep slope UAV remote sensing dangerous rock identification multi-temporal monitoring multi-source data fusion engineering geology 
Propagation criterion of hydraulic fracture in rock based on the rock micro-cracking mechanism
《International Journal of Mining Science and Technology》2025年第3期433-449,共17页Qingwang Cai Bingxiang Huang Xinglong Zhao Yuekun Xing 
supported by the National Key Research and Development Program of China (No.2021YFC2902102);the National Natural Science Foundation of China (Nos.52374103 and 52274013)。
Hydraulic fracture(HF)formed in rock significantly helps with the development of geo-energy and georesources.The HF formation condition was challenging to understand,with obscure rock micro-cracking mechanisms being a...
关键词：Hydraulic fracture Propagation criterion Micro-cracking mechanism Pore pressure Stress singularity 
Development and application of rock rheological constitutive model considering dynamic stress field and seepage field
《International Journal of Mining Science and Technology》2025年第3期467-482,共16页Yian Chen Guangming Zhao Wensong Xu Shoujian Peng Jiang Xu 
supported and financed by Scientific Research Foundation for High-level Talents of Anhui University of Science and Technology (No.2024yjrc96);Anhui Provincial University Excellent Research and Innovation Team Support Project (No.2022AH010053);National Key Research and Development Program of China (Nos.2023YFC2907602 and 2022YFF1303302);Anhui Provincial Major Science and Technology Project (No.202203a07020011);Open Foundation of Joint National-Local Engineering Research Centre for Safe and Precise Coal Mining (No.EC2023020)。
The generalized rheological tests on sandstone were conducted under both dynamic stress and seepage fields.The results demonstrate that the rheological strain of the specimen under increased stress conditions is great...
关键词：Generalized rheological test Seepage-stress coupling Seepage properties Dynamic stress field Rheological constitutive model 
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 
Laboratory and field tests on soil conditioning for earth pressure balance shield tunneling in composite strata with different sand–rock ratios
《Frontiers of Structural and Civil Engineering》2025年第3期411-426,共16页Kangjian ZHANG Zhiqiang ZHANG Chuanxiang LIU 
supported by the National Natural Science Foundation of China(Grant No.52378414);the Natural Science Basis Research Plan in Shaanxi Province of China(No.2019JLP-23).
The excavated soil in the chamber of an earth pressure balance (EPB) shield is typically required to achieve a plastic flow state during tunneling to ensure a stable excavation face and the smooth discharge of soil. W...
关键词：soil conditioning earth pressure balance shield composite strata sand-rock ratio model test 
党参炔苷对卵巢癌细胞恶性生物学行为的影响
《中国老年学杂志》2025年第5期1224-1228,共5页丁佰娟 王稳 李南 
徐州医科大学附属医院发展基金资助项目(XYFY2020055)。
目的探究党参炔苷(LT)调节RhoA/Rho相关卷曲螺旋形成蛋白激酶(ROCK)信号通路对卵巢癌细胞恶性生物学行为的影响。方法以A2780细胞为研究对象分为A2780组(未处理)、L-LT组(10μmol/L LT孵育A2780细胞)、M-LT组(20μmol/L LT孵育A2780细胞...
关键词：卵巢癌 RhoA/相关卷曲螺旋形成蛋白激酶(ROCK)信号通路 党参炔苷 增殖 迁移 侵袭 上皮间质转化 
Fluid evolution and fragmentation characteristics under high pressure water jet impact on thermal rock
《International Journal of Mining Science and Technology》2025年第3期483-497,共15页Jianming Shangguan Zhaolong Ge Qinglin Deng Yuhuai Cui Zhi Yao 
supported by National Natural Science Foundation of China (No.U23A20597);National Major Science and Technology Project of China (No.2024ZD1003803);Chongqing Science Fund for Distinguished Young Scholars of Chongqing Municipality (No.CSTB2022NSCQ-JQX0028);Natural Science Foundation of Chongqing (No.CSTB2024NSCQ-MSX0503)。
In the application of high-pressure water jet assisted breaking of deep underground rock engineering,the influence mechanism of rock temperature on the rock fragmentation process under jet action is still unclear.Ther...
关键词：Fluid evolution Fragmentation characteristics Fracture process Water jet Thermal rock 
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