BLASTING

作品数：197被引量：434H指数：11
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相关领域：矿业工程更多>>
相关作者：魏威黄丹周健史秀志白春华更多>>
相关机构：中南大学多伦多大学北京理工大学住房和城乡建设部更多>>
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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科技支撑计划更多>>
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Mechanism of iron ore blasting fracture using axial uncoupled charges
《International Journal of Minerals,Metallurgy and Materials》2025年第4期788-801,共14页Yuanyuan You Renshu Yang Jinjing Zuo Zhen Yang Jin Li Yong Zhao Haibao Yi 
financially supported by the National Natural Science Foundation of China (No. 52227805);the Fundamental Research Funds for the Central Universities (Ph.D. Top Innovative Talents Fund of China University of Mining and Technology Beijing) (No. BBJ2024085);the National Natural Science Foundation of China (Nos. 52474026 and 52208384)。
The axial uncoupling coefficient and air deck effect in blasting significantly influence the effectiveness of rock fragmentation.This study employs a passive confinement device to conduct continuous charge and five di...
关键词：computer tomography BLASTING charge structure 3D reconstruction DAMAGE 
Performance evaluation of rock fragmentation prediction based on RF-BOA,AdaBoost-BOA,GBoost-BOA,and ERT-BOA hybrid models
《Deep Underground Science and Engineering》2025年第1期3-17,共15页Junjie Zhao Diyuan Li Jian Zhou Danial JArmaghani Aohui Zhou 
National Natural Science Foundation of China,Grant/Award Number:52374153。
Rock fragmentation is an important indicator for assessing the quality of blasting operations.However,accurate prediction of rock fragmentation after blasting is challenging due to the complicated blasting parameters ...
关键词：Bayesian optimization BLASTING machine learning rock fragmentation 
Transparent geological exploration for intelligent and safe open-pit mining based on ambient noise seismic imaging
《Applied Geophysics》2025年第1期12-21,231,共11页Li Ping-Feng Zheng Qiang-Qiang Xu Ying Wei Di Qian Jia-wei Yang Bao-Ji 
National science and technology signifi cant special(No.2024ZD1003406);Natural Science Research Project of Colleges and Universities in Anhui Province(No.2024AH050374);National Natural Science Foundation of China(Grant No.52274071).
The advancement of intelligent mining in open-pit operations has imposed higher demands on geological transparency,aiming to provide a robust foundation for intelligent drilling and charging.In this study,a linear arr...
关键词：Intelligent blasting Geological exploration Open-pit mines Ambient noise 
Rock fracture mechanism of buffer blasting with cushion layer at the borehole bottom
《International Journal of Minerals,Metallurgy and Materials》2025年第2期325-334,共10页Xinguang Zhu Chenxi Ding Zhe Sui Hong Su Xu Guo 
financially supported by the National Natural Science Foundation of China(Nos.52204085 and 52104074);the Youth Science and Technology Foundation Key Laboratory for Mechanics in Fluid Solid Coupling System,Institute of Mechanics(No.E0XM040401)。
This study primarily investigates the rock fracture mechanism of bottom cushion layer blasting and explores the effects of the bottom cushion layer on rock fragmentation.It involves analyses of the evolution patterns ...
关键词：bottom cushion layer BLASTING crack propagation continuum-discontinuum element method dynamic stress intensity factor 
Geostatistics-block-based characterization of the relationship between rock mass quality and powder factor and its application on open-pit limit optimization
《International Journal of Mining Science and Technology》2025年第1期135-147,共13页Jinduo Li Tianhong Yang Feiyue Liu Shigui Du Wenxue Deng Yong Zhao Honglei Liu Leilei Niu Zhiqiang Xu 
supported by the National Key Research and Development Program of China(No.2022YFC2903902);the National Natural Science Foundation of China(Nos.52204080and 52174070);the Fundamental Research Funds for the Central Universities of China(No.2023GFYD17)。
Accurately predicting the powder factor during blasting is essential for sustainable production planning in low-grade mines.This research presents a method for predicting powder factor based on the heterogeneity of ro...
关键词：Geostatistics method Powder factor Open-pit limit optimization Blasting cost Rock mass quality 
Study on damage characteristics of iron ore under variable line density charge structure blasting
《Rock Mechanics Bulletin》2024年第4期1-14,共14页Xinmin Ma Yiyin Hu Xinshuo Li Yongsheng Ruan Yuan Jin Wenqing Yang 
Financial support for this work is provided by National Natural Science Foundation of China:52074301 and Supported by Key projects of National Natural Science Foundation of China:51934001.
Blasting test research was conducted on iron ore specimens with variable line density charging structures.Computer tomography(CT),digital image processing,and three-dimensional model reconstruction techniques were use...
关键词：Iron ore BLASTING Variable line density charges Damage characterization 
Resilience of Building Structures in Mining Communities in Ghana
《Journal of Geoscience and Environment Protection》2024年第12期142-154,共13页Bernard Ofosu Umar-Farouk Usman Festus Anane Mensah John Atuguba Adu-Gyamfi Agyepong Augustine Kofi Asante 
Ground vibrations produced by mine blasting negatively impact nearby structures. In Ghana, there have been allegations of blast induced ground vibrations resulting in building cracking in communities around mining pit...
关键词：MINING BLASTING Vibrations BUILDINGS Peck Particle Velocity Airblast 
Peak Particle Velocity Predicting Equation Associated with the Propagation of Vibrations Induced by Blasting in a Mine and Impacts on the Physical Degradation of Houses: The Case of the Yaramoko Mine, Bagassi, Burkina Faso
《Journal of Minerals and Materials Characterization and Engineering》2024年第6期316-333,共18页Richard Zoundi Antoine Béré Joel Martial Balkoulga Philibert Sawadogo 
This study utilizes empirical equations to describe the propagation of vibrations induced by blasting, with the goal of predicting the attenuation of Peak Particle Velocity (PPV) at the Yaramoko mine in Bagassi, Burki...
关键词：Peak Particle Velocity BLASTING Propagation of Blasting Vibrations Cracks on Houses PPV Equation 
Indirect evaluation of the influence of rock boulders in blasting to the geohazard:Unearthing geologic insights fused with tree seed based LSTM algorithm
《Geohazard Mechanics》2024年第4期244-257,共14页Blessing Olamide Taiwo Shahab Hosseini Yewuhalashet Fissha Kursat Kilic Omosebi Akinwale Olusola NSri Chandrahas Enming Li Adams Abiodun Akinlabi Naseer Muhammad Khan 
funded by China Scholarship Council (No.202006370006).
Effective control of blasting outcomes depends on a thorough understanding of rock geology and the integration of geological characteristics with blast design parameters.This study underscores the importance of adapti...
关键词：Oversize boulder BLASTING Image analysis Downstream operation Artificial intelligence 
Calculating the number of radial cracks around a wellbore fractured by liquid CO_(2) phase transition blasting technology
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4515-4531,共17页Kun Jiang Shouchun Deng Yixuan Li Haibo Li 
supported by the National Key R&D Program of China (Grant No.2020YFA0711802).
Integrating liquid CO_(2)phase transition blasting(LCPTB)technology with hydraulic fracturing(HF)methods can help reduce wellbore damage,create multiple radial fractures,and establish a complex fracture network.This a...
关键词：Liquid CO_(2)phase transition blasting(LCPTB) Rock fracturing Fracture number Physical model experiment 
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