BACKFILL

作品数：151被引量：534H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：《Journal of Wuhan University of Technology(Materials Science)》《Journal of Thermal Science》《Applied Mathematics and Mechanics(English Edition)》《湖南大学学报（自然科学版）》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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Sand-bentonite backfill amended with composite polymer exposed to organic acid:Hydraulic performance and microstructural properties
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2552-2565,共14页Xian-Lei Fu Zhe-Yuan Jiang Jin-Kun Huang Yan-Jun Du 
National Natural Science Foundation of China (Grant No.42177133);Primary R&D Plan of Jiangsu Province (Grant No.BE2022830);Primary R&D Plan of Anhui Province (Grant No.2023t07020018).
Soil-bentonite(SB)backfills in vertical cutoff walls are used extensively to contain contaminated groundwater.Previous studies show that the hydraulic conductivity of backfill can exceed the typically recommended maxi...
关键词：Acetic acid Hydraulic performance Hydroxypropyl methylcellulose(HPMC) Polyanionic cellulose(PAC) Soil-bentonite(SB)backfill 
Hydro-microstructural behaviors of zeolite/active carbon amended soil-bentonite cut-off wall
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2590-2602,共13页Yong He Shiyu Li Zhao Zhang Kaofei Zhu He Wei Keneng Zhang 
the National Natural Science Foundation of China (Grant Nos.42072318 and 42207227);Central South University Innovation-Driven Research Program (Grant No.2023CXQD044).
The soil-bentonite(SB)cut-off wall has been widely considered a vertical barrier to effectively control the migration of pollutants in contaminated sites.Recently,active porous materials have been used as a promising ...
关键词：Soil-bentonite(SB)backfill Cut-off wall SLUMP Compressibility Hydraulic conductivity 
Strength,Self-flowing,and Multi-objective Optimization of Cemented Paste Backfill Materials Base on RSM-DF
《Journal of Wuhan University of Technology(Materials Science)》2025年第2期449-461,共13页LIU Chunkang WANG Hongjiang WANG Hui SUN Jiaqi BAI Longjian 
Funded by the Deep Underground National Science&Technology Major Project gram of China(No.2024ZD1003704);the National Natural Science Foundation of China(Nos.51834001 and 52374111)。
The multi-objective optimization of backfill effect based on response surface methodology and desirability function(RSM-DF)was conducted.Firstly,the test results show that the uniaxial compressive strength(UCS)increas...
关键词：cemented paste backfill response surface methodology desirability function MULTI-OBJECTIVE optimization 
Analytical solution for determining wall closure associated with stope excavation underneath sill mat constructed by cemented backfill
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期983-995,共13页Chuan Fan Li Li Xiaocong Yang Guangsheng Liu Lijie Guo Jing Tang 
financial support from the Young Scientist Project of the National Key Research and Development Program of China(Grant No.2021YFC2900600);the Beijing Nova Program(Grant No.20220484057);The authors acknowledge the financial support from the Natural Sciences and Engineering Research Council of Canada(Grant No.RGPIN-2018-06902);industrial partners of the Research Institute on Mines and the Environment(RIME UQAT-Polytechnique:https://irme.ca/en/).
In the underhand cut-and-fill mining method,a sill mat(i.e.an artificial horizontal pillar)constructed by cemented backfill is essential to prevent mine workers from being directly exposed under problematic rock roofs...
关键词：Underhand cut-and-fill mining BACKFILL Wall closure Analytical solution FLAC3D Flamant model 
Corrigendum to “Mechanical behaviors of backfill-rock composites: Physical shear test and back-analysis” [J rock Mech Geotech Eng 3 (2024) 807–827]
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期1285-1286,共2页Jie Xin Quan Jiang Fengqiang Gong Lang Liu Chang Liu Qiang Liu Yao Yang Pengfei Chen 
The authors regret that in the paper of Xin et al.(2024),a bug was found in the used numerical implementation.It concerns one of the damage coefficient that was incorrectly updated during the calculation process.As a ...
关键词：ROCK process CONSTITUTIVE 
Effects of aggregate size distribution and carbon nanotubes on the mechanical properties of cemented gangue backfill samples under true triaxial compression
《International Journal of Minerals,Metallurgy and Materials》2025年第2期311-324,共14页Qian Yin Fan Wen Zhigang Tao Hai Pu Tianci Deng Yaoyao Meng Qingbin Meng Hongwen Jing Bo Meng Jiangyu Wu 
financially supported by the National Natural Science Foundation of China(Nos.52174092,51904290,and 52374147);the Natural Science Foundation of Jiangsu Province,China(No.BK20220157);the Fundamental Research Funds for the Central Universities,China(No.2022YCPY0202);the National Key Research and Development Program of China(No.2023YFC3804204);the Major Program of Xinjiang Uygur Autonomous Region S cience and Technology(No.2023A01002)。
The mechanical behavior of cemented gangue backfill materials(CGBMs)is closely related to particle size distribution(PSD)of aggregates and properties of cementitious materials.Consequently,the true triaxial compressio...
关键词：cemented gangue backfill materials particle size distribution true triaxial compression test carbon nanotubes mechanical properties failure modes 
Effects of silica fume on the multi-scale material properties of composite Portland cement-based cutoff wall backfill
《Journal of Central South University》2025年第1期205-219,共15页ZHOU Tan HU Jian-hua ZHAO Feng-wen GUO Meng-meng XUE Sheng-guo 
Project(2019YFC1803601)supported by the National Key Research and Development Program of China;Project(52274182)supported by the National Natural Science Foundation of China;Project(2021zzts0274)supported by the Fundamental Research Funds for the Central Universities,China;Project(CX20210295)supported by the Postgraduate Scientific Research Innovation Project of Hunan Province,China。
Soil cement bentonite(SCB)is a common material for constructing vertical cutoff walls to prevent groundwater migration at contaminated industrial sites.However,site contaminants can degrade the durability of the cutof...
关键词：silica fume SSCB cutoff wall multi-scale material properties engineering properties microscopic mechanism 
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 
Effects of cement content, polypropylene fiber length and dosage on fluidity and mechanical properties of fiber-toughened cemented aeolian sand backfill
《International Journal of Minerals,Metallurgy and Materials》2024年第11期2404-2416,共13页Shushuai Wang Renshu Yang Yongliang Li Zhongwen Yue 
financially supported by the National Natural Science Foundation of China(No.52174095);the Top Innovative Talents Cultivation Fund for Doctoral Postgraduates(No.BBJ2023054).
Using aeolian sand(AS)for goaf backfilling allows coordination of green mining and AS control.Cemented AS backfill(CASB)exhibits brittle fracture.Polypropylene(PP)fibers are good toughening materials.When the tougheni...
关键词：polypropylene fibers fiber-toughened cemented aeolian sand backfill digital image correlation scanning electron microscopy response surface method 
Recycling arsenic-containing bio-leaching residue after thermal treatment in cemented paste backfill:Structure modification,binder properties and environmental assessment
《International Journal of Minerals,Metallurgy and Materials》2024年第10期2136-2147,共12页Dengfeng Zhao Shiyu Zhang Yingliang Zhao 
supported from the National Natural Science Foundation of China(No.52304148);the Youth Project of Shanxi Basic Research Program,China(No.202203021212262).
The substantial arsenic(As)content present in arsenic-containing bio-leaching residue(ABR)presents noteworthy environ-mental challenges attributable to its inherent instability and susceptibility to leaching.Given its...
关键词：cemented paste backfill bio-leaching residue arsenic immobilization binder hydration CALCINATION 
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