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BLAST: 作品数：533被引量：1087H指数：13; 导出分析报告; 相关领域：农业科学医药卫生更多>>; 相关作者：徐大专陈小敏虞湘宾朱光喜林宏志更多>>; 相关机构：中国科学院北京邮电大学南京航空航天大学中山大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划国家重点基础研究发展计划江苏省自然科学基金更多>>

Numerical modeling of blast-induced rock fragmentation in deep mining with 3D and 2D FEM method approaches: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4532-4553,共22页Michał Kucewicz Mazurkiewicz Łukasz Paweł Baranowski Jerzy Małachowski Krzysztof Fuławka Piotr Mertuszka Marcin Szumny; To optimize the excavation of rock using underground blasting techniques,a reliable and simplified approach for modeling rock fragmentation is desired.This paper presents a multistep experimentalnumerical methodology ...; 关键词：Dolomite rock Two-dimensional(2D)rock modeling Rock fragmentation Cut-hole blasting

Impact of spatially varying rock disturbance on rock slope stability被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第10期3907-3923,共17页Dowon Park Radoslaw L.Michalowski; supported by the National Science Foundation(Grant No.CMMI-1901582);supported by the Nuclear Research and Development Program of the National Research Foundation of Korea(Grant No.2024-M2E3A2007963);the Korea Electric Power Corporation(Grant No.R22XO05-05).; Degradation of rock mass produced by rock blasting,stress relief,and other causes is an important factor in the assessment of rock strength.Quantified as a disturbance factor,such degradation varies depending on blast...; 关键词：Disturbance decaying Blast damage Limit analysis Damage zone Stability number

Evaluation of underground blast-induced ground motions through nearsurface low-velocity geological layers被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第3期600-617,共18页Yonggang Gou Xiuzhi Shi Zhi Yu Xiaofeng Huo Xianyang Qiu; supported by Natural Science Foundation of Jiangsu Province,China(Grant No.BK20220975);the National Natural Science Foundation of China(Grant Nos.51874350 and 41807259).; Surface ground motion produced by underground blasts is significantly influenced by near-surface geological conditions.However,near-surface low-propagation velocity layers were always ignored in past analyses of groun...; 关键词：Surface ground motions Underground blasts Geological site condition Amplitude attenuation Site response analysis

Impact of orientation of blast initiation on ground vibrations: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第1期255-261,共7页Dayamoy Garai Hemant Agrawal Arvind Kumar Mishra; The blast-induced ground vibrations can be significantly controlled by varying the location and orien-tation of point of interest from blast site.The blast waves generated due to individual holes get super-imposed and...; 关键词：Peak particle velocity(PPV) Initiation orientation Wave superimposition Orientation of blast Blast initiation

Discussion on “Impact of orientation of blast initiation on ground vibrations” [J Rock Mech Geotech Eng 15 (2022) 255e261]: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第1期262-268,共7页Tadeusz Chrzan; Recently,Garai et al.(2022)published a paper on the impact of orientation of blast initiation on ground vibrations.However,some of the claims are not supported by the results of the given tests.In Fig.1(see Fig.8 in G...; 关键词：Peak particle velocity(PPV) Initiation orientation Wave superimposition Blast initiation

A review of development of better prediction equations for blast fragmentation被引量：12: 《Journal of Rock Mechanics and Geotechnical Engineering》2019年第5期1094-1109,共16页F.Ouchterlony J.A. Sanchidrián; provided by MUL;Universidad Politecnica de Madrid; The paper reviews the development of prediction formulas for the fragmentation from bench blasting.Much attention has been paid to the Kuz-Ram model,its development and errors,and the mean vs.median misunderstanding.T...; 关键词：BENCH BLASTING Rock FRAGMENTATION FRAGMENTATION model Size distribution Swebrec function Fragmentation-energy FAN

Attenuation of rock blasting induced ground vibration in rock-soil interface被引量：13: 《Journal of Rock Mechanics and Geotechnical Engineering》2019年第4期770-778,共9页Bhagya Jayasinghe Zhiye Zhao Anthony Goh Teck Chee Hongyuan Zhou Yilin Gui; supported by the Land and Liveability National Innovation Challenge under L2 NIC Award No. L2NICCFP1-2013-1; Blasting has been widely used in mining and construction industries for rock breaking.This paper presents the results of a series of field tests conducted to investigate the ground wave propagation through mixed geolo...; 关键词：Rock BLASTING Field tests BLAST wave propagation PEAK particle velocity (PPV) Rock-soil INTERFACE

Modified scaled distance regression analysis approach for prediction of blast-induced ground vibration in multi-hole blasting被引量：11: 《Journal of Rock Mechanics and Geotechnical Engineering》2019年第1期202-207,共6页Hemant Agrawal A.K.Mishra; The blast-induced ground vibration prediction using scaled distance regression analysis is one of the most popular methods employed by engineers for many decades. It uses the maximum charge per delay and distance of m...; 关键词：Peak particle velocity(PPV) Blast-induced ground vibration Scaled distance regression analysis Wave SUPERIMPOSITION SINGLE-HOLE BLASTING

A multiphysics-viscoplastic cap model for simulating blast response of cemented tailings backfill被引量：3: 《Journal of Rock Mechanics and Geotechnical Engineering》2017年第3期169-182,共14页Gongda Lu Mamadou Fall Liang Cui; Although a large number of previous researches have significantly contributed to the understanding of the quasi-static mechanical behavior of cemented tailings backfill,an evolutive porous medium used in underground m...; 关键词：Thermo-hydro-mechanical-chemical (THMC) coupling Multiphysics processes Tailings Paste backfill Cap model BLAST

Rock fragmentation control in opencast blasting被引量：9: 《Journal of Rock Mechanics and Geotechnical Engineering》2016年第2期225-237,共13页P.K.Singh M.P.Roy R.K.Paswan Md.Sarim Suraj Kumar Rakesh Ranjan Jha; The financial support from Coal S&T grant of Ministry of Coal,Government of India; The blasting operation plays a pivotal role in the overall economics of opencast mines.The blasting subsystem affects all the other associated sub-systems,i.e.loading,transport,crushing and milling operations.Fragment...; 关键词：Opencast blast Rock fragmentation Explosives performance Dragline efficiency Fragment size

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