云南高校图书馆联盟文献共享服务平台- FRAGMENTATION

FRAGMENTATION: 作品数：463被引量：556H指数：11; 导出分析报告; 相关领域：理学更多>>; 相关作者：石建功再帕尔·阿不力孜梁峰何晓赵丽艳更多>>; 相关机构：对外经济贸易大学中国医学科学院北京协和医学院北京大学中国科学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划山西省自然科学基金国家教育部博士点基金更多>>

Combined blasting for protection of gob-side roadway with thick and hard roof被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第8期3165-3180,共16页Qiang Fu Jun Yang Yubing Gao Changjiang Li Hongxu Song Yuxuan Liu Xing Wu; funding support from the National Natural Science Foundation of China(Grant Nos.52074298 and 52204164);Fundamental Research Funds for the Central Universities(Grant No.2022XJSB03).; The deformation control of surrounding rock in gobside roadway with thick and hard roof poses a significant challenge to the safety and efficiency of coal mining.To address this issue,a novel approach combining direct...; 关键词：Thick and hard roof Surrounding rock control Combined blasting Fragmentation and expansion support stress relief

Numerical modeling of destress blasting for strata separation被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第9期2238-2249,共12页Petr Konicek Tuo Chen Hani S.Mitri; Destress blasting(DB)implemented along the perimeter of safety pillars is a special application of destressing in coal longwall mining.The goal is to separate relatively more deformed mined areas from safety pillars,s...; 关键词：Rockburst hazard Destress blasting(DB) Strata separation Safety pillar Numerical modeling Fragmentation factor Stress dissipation factor Longwall mining

Dynamic fragmentation of microwave irradiated rock被引量：6: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第2期300-310,共11页Shuai Wang Ying Xu Kaiwen Xia Tianyang Tong; This research was supported by the National Natural Science Foundation of China(Nos.51704211 and 51879184).; The microwave-assisted rock fragmentation has been proven to be a promising approach in reducing cutting tools wear and improving efficiency in rock crushing and excavation.Thus,understanding the influence of damage i...; 关键词：Microwave irradiation Split Hopkinson pressure bar(SHPB) Momentum-trap Dynamic compressive strength Fragment size distribution(FSD) Fangshan granite(FG)

Rock brittleness indices and their applications to different fields of rock engineering:A review被引量：17: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第1期221-247,共27页Fanzhen Meng Louis Ngai Yuen Wong Hui Zhou; We gratefully acknowledge financial support from the National Natural Science Foundation of China(Grant Nos.51879135 and 41877217);The work in this paper was also supported by the Hong Kong Scholars Program(Grant No.XJ2017043).; Brittleness is an important parameter controlling the mechanical behavior and failure characteristics of rocks under loading and unloading conditions,such as fracability,cutability,drillability and rockburst proneness...; 关键词：Rock brittleness Practical applicability Hydraulic fracturing Rockburst proneness Crack propagation Fragmentation efficiency

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

A new framework for evaluation of rock fragmentation in open pit mines被引量：4: 《Journal of Rock Mechanics and Geotechnical Engineering》2019年第2期325-336,共12页Mohammad Babaeian Mohammad Ataei Farhang Sereshki Farzad Sotoudeh Sadjad Mohammadi; The main purpose of blasting in open pit mines is to produce the feed for crushing stage with the optimum dimensions from in situ rocks. The size distribution of muck pile indicates the efficiency of blasting pattern ...; 关键词：Rock FRAGMENTATION Image analysis Open PIT mine Split-desktop software package Decision-making TRIAL and EVALUATION laboratory(DEMATEL)technique

Velocity of detonation measurement and fragmentation analysis to evaluate blasting efficacy被引量：3: 《Journal of Rock Mechanics and Geotechnical Engineering》2018年第3期523-533,共11页Eugie Kabwe; In holes, the measurement of the velocity of detonation（VOD） helps in comparing and evaluating relative performance of explosives. In this paper a blast performance assessment was conducted based on the results obta...; 关键词：BLASTING Bulk emulsion Explosives In-hole continuous measurement Velocity of detonation （VOD）

Fragmentation characteristics analysis of sandstone fragments based on impact rockburst test被引量：11: 《Journal of Rock Mechanics and Geotechnical Engineering》2014年第3期251-256,共6页Dongqiao Liu Dejian Li Fei Zhao Chengchao Wang; Impact rockburst test on sandstone samples with a central hole is carried out under true triaxial static loads and vertical dynamic load conditions, and rock fragments after the test are collected. The fragments of sa...; 关键词：Impact rockburst testFragmentsFragmentation characteristicsFractal dimension

Prospect of HDR geothermal energy exploitation in Yangbajing,Tibet,China,and experimental investigation of granite under high temperature and high pressure被引量：2: 《Journal of Rock Mechanics and Geotechnical Engineering》2011年第3期260-269,共10页Yangsheng Zhao Zijun Feng Baoping Xi Jinchang Zhao Zhijun Wan Anchao Zhou; Hot dry rock （HDR） geothermal energy, almost inexhaustible green energy, was first put forward in the 1970s. The development and testing of HDR geothermal energy are well reported in USA, Japan, UK, France and other...; 关键词：hot dry rock （HDR） geothermal energy exploitation high temperature and high pressure cutting fragmentation borehole stability

Mechanical properties of rock under coupled static-dynamic loads被引量：12: 《Journal of Rock Mechanics and Geotechnical Engineering》2009年第1期41-47,共7页Xibing Li Zilong Zhou Fujun Zhao Yujun Zuo Chunde Ma Zhouyuan Ye Liang Hong; Supported by the National Natural Science Foundation of China (10872218,50934006,50534030);Research Foundation for the Doctoral Program of Higher Education of China (200805331143); Rock drilling machine,INSTRON testing system,and SHPB device are updated to investigate the characteristics of rocks at great depth,with high loads from overburden,tectonic stresses and dynamic impacts due to blasting...; 关键词：rock dynamic testing system coupled static-dynamic loads STRENGTH FRAGMENTATION energy absorption

FRAGMENTATION