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BLASTING: 作品数：197被引量：434H指数：11; 导出分析报告; 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>>; 相关期刊：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科技支撑计划更多>>

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

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

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

A novel method for simulating nuclear explosion with chemical explosion to form an approximate plane wave: Field test and numerical simulation被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第6期2137-2153,共17页Wei Ming Xiaojie Yang Yadong Mao Xiang Wang Manchao He Zhigang Tao; supported by the General Program of the National Natural Science Foundation of China(Grant No.52074295);the Special Fund for Basic Scientific Research Business Expenses of Central Universities(Grant No.2022YJSSB06);supported by State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and technology,Beijing,China(Grant No.SKLGDUEK202217).; A nuclear explosion in the rock mass medium can produce strong shock waves,seismic shocks,and other destructive effects,which can cause extreme damage to the underground protection infrastructures.With the increase in...; 关键词：Approximate plane wave Multi-hole simultaneous blasting Chemical explosion Nuclear explosion Pressure sensor inclusion

Shock-induced fracture of dolomite rock in small-scale blast tests被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第6期1823-1835,共13页Pawel Baranowski Michal Kucewicz Mateusz Pytlik Jerzy Matachowski; supported by the Interdisciplinary Center for Mathematical and Computational Modeling(ICM),University of Warsaw(Grant No.GA73-19);as part of the implementation of the Military University of Technology(Grant No.22-876)。; This paper attempts to study dolomite failure using small-scale blast tests.The experimental setup consisted of a cylindrical specimen with a central borehole fitted with a detonation cord inside a copper pipe.The spe...; 关键词：Johnson-HolmquistⅡmodel(JH-2) ROCK BLASTING FRACTURE Small-scale test

Influence of blasting load directions on tunnel stability in fractured rock mass被引量：7: 《Journal of Rock Mechanics and Geotechnical Engineering》2022年第2期346-365,共20页Xiaohan Li Zheming Zhu Meng Wang Yun Shu Shuai Deng Dingjun Xiao; funded by the National Natural Science Foundation of China(Grant No.U19A2098);the open fund of MOE Key Laboratory of Deep Underground Science and Engineering(Grant No.DESEYU202101);the Sichuan Science and Technology Program(Grant No.2021YJ0511)。; Tunnels in fractured rock masses are typically damaged by dynamic disturbances from various directions.To investigate the influence of blasting load directions on the stability of a tunnel with a precrack nearby,blast...; 关键词：BLASTING Tunnel stability Crack propagation Failure mode Numerical simulation

Prediction of blasting mean fragment size using support vector regression combined with five optimization algorithms被引量：11: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第6期1380-1397,共18页Enming Li Fenghao Yang Meiheng Ren Xiliang Zhang Jian Zhou Manoj Khandelwal; funded by the National Natural Science Foundation of China(Grant No.42177164);the Innovation-Driven Project of Central South University(Grant No.2020CX040);supported by China Scholarship Council(Grant No.202006370006)。; The main purpose of blasting operation is to produce desired and optimum mean size rock fragments.Smaller or fine fragments cause the loss of ore during loading and transportation,whereas large or coarser fragments ne...; 关键词：Blasting mean fragment size e-support vector regression(e-SVR) V-support vector regression(v-SVR) Meta-heuristic algorithms Intelligent prediction

Prediction of flyrock induced by mine blasting using a novel kernel-based extreme learning machine被引量：4: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第6期1438-1451,共14页Mehdi Jamei Mahdi Hasanipanah Masoud Karbasi Iman Ahmadianfar Somaye Taherifar; Blasting is a common method of breaking rock in surface mines.Although the fragmentation with proper size is the main purpose,other undesirable effects such as flyrock are inevitable.This study is carried out to evalu...; 关键词：BLASTING Flyrock distance Kernel extreme learning machine(KELM) Local weighted linear regression(LWLR) Response surface methodology(RSM)

Determination of the ground vibration attenuation law from a singleblast: A particular case of trench blasting被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2021年第5期1182-1192,共11页Rafael Rodríguez Laura García de Marina Marc Bascompta Cristóbal Lombardía; Perforaciones Noroeste S.A.in the frame of the University-Company collaboration project FUO-068-17.; The general transmissivity law of ground vibrations was studied,and a user-friendly methodology for determining the behavior of vibrations generated in any rock mass is proposed.The study was based on a single blast i...; 关键词：Empirical analysis BLASTING Ground vibration TRENCHING Wave propagation

A comparison of seismic response to conventional and face destress blasting during deep tunnel development被引量：2: 《Journal of Rock Mechanics and Geotechnical Engineering》2019年第5期965-978,共14页C.Drover E.Villaescusa; the sponsors of the Mine Development at Great Depth research project for their financial and practical support of this research; A novel design of development face destress blasting was implemented during the construction of an experimental tunnel at great depth.A second tunnel was developed nearby using conventional blasting as a control.The t...; 关键词：Destress BLASTING Mining-induced SEISMICITY ROCK fracture Deep mining TUNNELLING

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