BACKFILL

作品数：149被引量：528H指数：15
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相关领域：生物学更多>>
相关作者：付云虹王贤来张钦礼郑晶晶王新民更多>>
相关机构：湖南大学中南大学昆明理工大学华东师范大学更多>>
相关期刊：《国际计算机前沿大会会议论文集》《Green and Smart Mining Engineering》《矿物学报》《Earthquake Engineering and Engineering Vibration》更多>>
相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划国家教育部博士点基金更多>>
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Evaluation of the migration and environmental effects of metal elements within cementitious gangue-fly ash backfill in underground coal mines
《International Journal of Mining Science and Technology》2024年第11期1551-1562,共12页Xuejie Deng Yuan Jiao Shicong Li Nan Zhou Yan An Erol Yilmaz Qingxue Zheng Xifeng Liang 
supported by the National Natural Science Foundation of China(Nos.52274149 and 52474162);the Fundamental Research Funds for the Central Universities(Nos.2024JCCXNY04 and 2023YQTD02);the Ph.D.Top Innovative Talents Fund of CUMTB(No.BBJ2024013);the Yue Qi Young Scholar Project(No.2020QN03)。
Cementitious gangue-fly ash backfill(CGB)is used as a green mining technology worldwide.However,under the coupled effects of geological stress and groundwater,the metal elements in the CGB tend to migrate into nearby ...
关键词：Cementitious gangue-fly ash backfill Metal elements Migration patterns Environmental effects Geological stress damage pH 
Mechanical properties and damage evolution characteristics of waste tire steel fiber-modified cemented paste backfill
《International Journal of Mining Science and Technology》2024年第7期909-924,共16页Shenggen Cao Chiyuan Che Yun Zhang Changhao Shan Yang Liu Changzheng Zhao Shuyu Du 
financially supported by the National Natural Science Foundation of China(Nos.52274143 and 51874284).
During the process of constructional backfill mining,the cemented paste backfill(CPB)typically exhibits a high degree of brittleness and limited resistance to failure.In this study,the mechanical and damage evolution ...
关键词：Constructional backfill Cemented paste backfill Waste tire steel fiber Acoustic emission Damage characteristics 
Spatiotemporal evolution of thermo-hydro-mechanical-chemical processes in cemented paste backfill under interfacial loading被引量：2
《International Journal of Mining Science and Technology》2022年第6期1207-1217,共11页Sai Pramod Singalreddy Liang Cui Kun Fang 
supported by the Natural Sciences and Engineering Research Council of Canada(NSERC).
Cemented paste backfill(CPB)and rock interface interaction causes the formation of an interfacial loading and affects the thermal,hydraulic,mechanical,and chemical processes in bulk CPB and thus its in-situ behavior.I...
关键词：Spatiotemporal evolution Multiphysics processes Interfacial loading Cemented paste backfill Underground mine 
Experimental study on the mechanical properties and consolidation mechanism of microbial grouted backfill被引量：8
《International Journal of Mining Science and Technology》2022年第2期271-282,共12页Xuejie Deng Yu Li Fei Wang Xiaoming Shi Yinchao Yang Xichen Xu Yanli Huang Benjamin de Wit 
supported by the National Natural Science Foundation of China(Nos.51804308;52034009);the China Postdoctoral Science Foundation(Nos.2020T130269;2020M670689);the Yue Qi Young Scholar Project(No.2020QN03);the Postdoctoral Research Project of Hebei Province(No.B2020003029)。
Backfill mining technology is the practice of returning waste materials underground for both disposal and geotechnical stability,however,a challenge with current technologies is that they commonly require cement-based...
关键词：Microbial grouted backfill Mechanical properties Consolidation mechanism Microbial induced carbonate precipitation Grouting Backfill mining 
Experimental study on the effect of granular backfill with various gradations on the mechanical behavior of rock被引量：3
《International Journal of Mining Science and Technology》2021年第5期889-899,共11页Zhihua Le Qinglei Yu Wancheng Zhu Hongyuan Liu Tianhong Yang 
supported by the National Key Research and Development Program of China(No.2016YFC0801602);the National Science Foundation of China(No.52074060);the Fundamental Research Funds for the Central Universities(Nos.N2101036 and N2101045)。
Backfilling is a common practice in the mining industry and the backfilling performance plays a significant role in supporting the surrounding rock mass.To evaluate the backfilling performance,an experimental apparatu...
关键词：Granular backfill Dense degree Gradations SANDSTONE Compressive strength 
High strain rate compressive strength behavior of cemented paste backfill using split Hopkinson pressure bar被引量：7
《International Journal of Mining Science and Technology》2021年第3期387-399,共13页Xin Chen Xiuzhi Shi Jian Zhou Enming Li Peiyong Qiu Yonggang Gou 
supported by the National Key R&D Program of China(No.2017YFC0602902);the National Natural Scienceof China(Nos.41807259 and 51874350);the Fundamental Research Funds for the Central Universities of Central South University(No.2016zztx096);The support provided by the China Scholarship Council(CSC)during the visit of the first author toécole Polytechnique de Montréal(Student ID:201706370039);the materials supply by Fan Kou lead-zinc mine of Shenzhen Zhongjin Lingnan Non-ferrous metal Company Limited。
The stability of cemented paste backfill(CPB)is threatened by dynamic disturbance,but the conventional low strain rate laboratory pressure test has difficulty achieving this research purpose.Therefore,a split Hopkinso...
关键词：High strain rate Compressive strength behavior Cemented paste backfill Split Hopkinson pressure bar TAILINGS 
Creep properties and resistivity-ultrasonic-AE responses of cemented gangue backfill column under high-stress area被引量：12
《International Journal of Mining Science and Technology》2021年第3期401-412,共12页Hongyu Ran Yuxia Guo Guorui Feng Tingye Qi Xianjie Du 
supported by the National Natural Science Foundation of China(No.51974192);Shanxi Province Postgraduate Education Innovation Project(No.2020SY567);the Applied Basic Research Project of Shanxi Province(No.201801D121092);Distinguished Youth Funds of National Natural Science Foundation of China(No.51925402);Shanxi Science and Technology Major Project(No.20201102004)。
To investigate the creep and instability properties of a cemented gangue backfill column under a highstress area,the uniaxial compression creep tests were conducted by single-step and multi-step loading of prismatic s...
关键词：Cemented gangue backfill column Creep and instability properties High-stress area Electrical resistivity Ultrasonic pulse velocity Acoustic emission 
An analytical solution to estimate the settlement of tailings or backfill slurry by considering the sedimentation and consolidation被引量：6
《International Journal of Mining Science and Technology》2021年第3期463-471,共9页Jiahao Qin Jian Zheng Li Li 
financial support from the Natural Sciences and Engineering Research Council of Canada(NSERC 402318);Fonds de recherche du Québec—Nature et Technologies(FRQNT 2015-MI-191676);Mitacs Elevate Postdoctoral Fellowship(IT12573);industrial partners of the Research Institute on Mines and the Environment(RIME UQATPolytechnique,http://rime-irme.ca/)。
A common and important task in mining industry is to estimate the settlement or final volume of the tailings or backfill associated with sedimentation and self-weight consolidation. Up to now however, most existing an...
关键词：Shrinkage SEDIMENTATION CONSOLIDATION SETTLEMENT TAILINGS BACKFILL 
NMR-based damage characterisation of backfill material in host rock under dynamic loading被引量：23
《International Journal of Mining Science and Technology》2020年第3期329-335,共7页Binglei Li Jiquan Lan Guangyao Si Guopeng Lin Liuqing Hu 
National Natural Science Foundation of China (Grant No.51804079);Fujian Natural Science Foundation (Grant No.2019J05039)
It is not uncommon that backfill material used in underground mining being exposed to repetitive dynamic stresses induced by blasting operations or rockburst events. Understanding the strength and fracture evolution o...
关键词：Dynamic loading Backfill-country rock system True triaxial test Coupled static and dynamic loads Nuclear magnetic resonance(NMR) Damage evolution 
Effects of water content, water type and temperature on the rheological behaviour of slag-cement and fly ash-cement paste backfill被引量：21
《International Journal of Mining Science and Technology》2020年第3期271-278,共8页Yue Zhao Abbas Taheri Murat Karakus Zhongwei Chen An Deng 
This research was partially funded by Mining Education Australia(MEA)and OZ Minerals,Australia;their support is gratefully acknowledged.
The pumping ability and placement performance of fresh cemented paste backfill(CPB) in underground mined cavities depend on its rheological properties. Hence, it is crucial to understand the rheology of fresh CPB slur...
关键词：Cemented paste backfill Minecem RHEOLOGY Yield stress Fly ash Portland cement 
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