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  • Shock and Vibration in Deep Mining Science

    Author: Longjun Dong, Xinglin Lei, Caiping Lu
  • Shock and Vibration in Deep Mining Science Hindawi

    Indeed, they present a serious threat to the safety and viability of efficient and sustainable deep mining. Numerous experimental and field investigations show that mining-induced shock or vibration can trigger significant collapses and even cause seismic disasters in regions of high-stress concentration.

  • An analytical study of blasting vibration using deep ...

    Abstract. For the study on the propagation–attenuation rule of the blasting vibration wave in the deep mining roadway of Shizishan copper mine, and the analysis of the influences of different maximum explosive charges and different underground systems on the propagation of blasting vibration signals, blasting vibration monitoring of the two different situations has been carried out respectively.

  • Transient vibration phenomena in deep mine hoisting

    Transient vibration phenomena in deep mine hoisting cables. Part 2: Numerical simulation of the dynamic response. Author links open overlay panel S Kaczmarczyk a 1 W Ostachowicz b. ... For example, in the South African gold mining industry new mines with shaft depths in the region of 3000–5000 m, ...

  • Blasting vibration on deep shaft ingate rock damage

    Blasting vibration on deep shaft ingate rock damage and its control measures Weipei Xue 1, Zhishu Yao 2, ... The damage blasting monitoring of ingate rock at –906 m a mine in Huainan mining area, elevation of –884.0~–913.5 m, the main lithology in ingate area are mudstone, siltstone, sandstone. Bench cut method is used for the ingate ...

  • Collapse of PNG deep-sea mining venture sparks calls

    Deepsea mining has proven contentious wherever it has been proposed and trialled across the world.. Proponents argue deep-sea mining could yield far superior ore to land mining – in silver, gold ...

  • Dynamic Vibration Absorbers in Deep-Sea Mining by

    Dynamic Vibration Absorbers in Deep-Sea Mining The Conclusion The Objective The end. China's deep-sea mining field - impact of vibration on mining procedures Paper written for active-heave compensation Problems: - lack of parameters Lessons Learned: - how to read research papers

  • ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON

    2019-10-24  the slope, the frequency and the amplitude, of the ground vibration produced by blasting, is explored using numerical models in 3DEC. The numerical models were calibrated initially with data collected using seismographs installed in a surface mine operation and ... Figure 1-1: Typical high-wall mining operation (contourmining, Sep 20, 2017 ...

  • REPORT OF RELATING SURFACE COAL MINE SCALED

    2013-3-28  being used by endangered bats. This request was to ensure that a USFWS vibration limit of 0.30 inches per second (ips) was maintained. Research ultimately focused on a method to predict roof vibrations in inaccessible areas of abandoned underground coal mines by monitoring an active deep mine roof while surface blasting occurred overhead.

  • (PDF) Blast vibration effects in an underground mine ...

    Blast vibration effects in an underground mine caused by open-pit mining Article (PDF Available) in International Journal of Rock Mechanics and Mining Sciences 80:79-88 September 2015 with ...

  • Dynamic characteristics and safety criterion of deep

    1. Introduction. In deep mining, the physical and mechanical properties of the rock are degraded through high in-situ stress, and the deep rock mass tends to show evidence of ductility, large deformations and a strong rheological behavior, along with the characteristics of the high in-situ stress, high earth temperature, high karst water pressure, and mining disturbances. 1, 2 Particularly for ...

  • Vibration analysis of stepped-pipe strings for mining

    1. Introduction. Examination of the existing literature shows that the pipe string for mining from deep-sea floors vibrates longitudinally, laterally and torsionally because of the ship motions and the longitudinal vibrations of the pipe string is the most critical among the other type of vibrations (Cui and Aso, 1998).For this purpose, researchers have studied the longitudinal vibrations of ...

  • Theoretical and technological exploration of deep in

    Theoretical and technological conception of the fluidization mining for deep coal resources. Journal of China Coal Society, 2017, 42(03): 547–556 (in Chinese) 8: H Xie, Y Ju, F Gao, M Gao, R Zhang. Groundbreaking theoretical and technical conceptualization of fluidized mining of deep underground solid mineral resources.

  • Shock and Vib ion in Deep Mining Science CALL FOR

    2019-10-9  sustainable deep mining. Numerous experimental and šeld investigations show that mining-induced shock or vibration can trigger signišcant collapses and even cause seismic disasters in regions of high-stress concentration. As such, there is a pressing need to develop advanced computational methods, experimental techniques, means of monitoring,

  • Control Performance Simulation on Heave

    Abstract: The Heave compensation system is essential for deep-sea mining to extend the operational weather window and improve the operation safety and efficiency. A novel heave compensation system compositely acted by dynamic vibration absorber combined with accumulator is proposed in the light of 5000m deep-sea poly-metallic mining system of China.

  • 国土资源工程学院

    2013-1-18  An Analytical Study of Blasting Vibration using deep mining and drivage rules [J]. Cluster Computing. 2017.3 ( S1 ):109-120.( SCI : 000397969100010); 影响因子 1.154 2、LI Xiang-long, HU Qi-wen, MA Xue-bin, etc. Experimental Research on Presplitting

  • Collapse of PNG deep-sea mining venture sparks calls

    Deepsea mining has proven contentious wherever it has been proposed and trialled across the world.. Proponents argue deep-sea mining could yield far superior ore to land mining – in silver, gold ...

  • Dynamic Vibration Absorbers in Deep-Sea Mining by

    Dynamic Vibration Absorbers in Deep-Sea Mining The Conclusion The Objective The end. China's deep-sea mining field - impact of vibration on mining procedures Paper written for active-heave compensation Problems: - lack of parameters Lessons Learned: - how to read research papers

  • 李祥龙 导师简介 - kmust.edu.cn

    2017-11-14  1、 Xianglong Li, Hui Hu, Lihua He, Kegang Li. An Analytical Study of Blasting Vibration using deep mining and drivage rules [J]. Cluster Computing. 2017.3(S1):109-120.( SCI:000397969100010); 影响因子1.154

  • 旋转机械故障诊断公开数据集_Miraclecanbeachieve的博客 ...

    2019-5-5  旋转机械故障诊断公开数据集整理众所周知,当下做机械故障诊断研究最基础的就是数据,再先进的方法也离不开数据的检验。笔者通过文献资料收集到如下几个比较常用的数据集并进行整理。鉴于目前尚未见比较全面的数据集整理介绍。数据来自原始研究方,笔者只整理数据获取途径。

  • Control Performance Simulation on Heave

    Abstract: The Heave compensation system is essential for deep-sea mining to extend the operational weather window and improve the operation safety and efficiency. A novel heave compensation system compositely acted by dynamic vibration absorber combined with accumulator is proposed in the light of 5000m deep-sea poly-metallic mining system of China.

  • Shock and Vib ion in Deep Mining Science CALL FOR

    2019-10-9  sustainable deep mining. Numerous experimental and šeld investigations show that mining-induced shock or vibration can trigger signišcant collapses and even cause seismic disasters in regions of high-stress concentration. As such, there is a pressing need to develop advanced computational methods, experimental techniques, means of monitoring,

  • Modeling and simulation of active-controlled heave ...

    Abstract: The heave compensation system is of great importance to the safety and operation efficiency of the deep-sea mining system subject to irregular-wave excitation. A novel active-controlled heave compensation system based on dynamic vibration absorber for the deep-sea mining system was proposed in this paper.

  • Modeling and Simulation ofActive-ControlledHeave ...

    vibration absorber for the deep-sea mining system wasproposed in this paper. The three-degree-of-freedomdynamic models of active heave compensation system based on dynamic vibration

  • (PDF) Modeling of active heave compensation system

    To ensure its safety and operation efficiency, a novel active heave compensation system of deep-sea mining based on dynamic vibration absorber was proposed in this paper. The three-degree-of ...

  • Dynamic Vibration Absorbers in Deep-Sea Mining by

    Dynamic Vibration Absorbers in Deep-Sea Mining The Conclusion The Objective The end. China's deep-sea mining field - impact of vibration on mining procedures Paper written for active-heave compensation Problems: - lack of parameters Lessons Learned: - how to read research papers

  • Mining at deep sea - Down to Earth

    Mining at deep sea. Deep inside the ocean is a world as vibrant and rich as the one outside. There are mountain ranges, ridges, forests, seamounts, volcanoes and a

  • Mining - Pleuger Industries

    Our decades of experience in manufacturing electric submersible motors make us a trusted partner for customized mining solutions. We specialize in the design and development of custom pump units for the harshest operating conditions within the mining sector.

  • Noise Pollution and Its Control in Mining

    2020-7-5  The subaudible noise responsible for vibration causes vibration of the surface features and in case of thin overburden cracks in surface structures. The societal reaction of Jharia town development forum over blasting forced the pick mining in some of the situations. ... The noise level with the deep hole blasting and the pressure wave at wide ...

  • Known and potential impacts of deep sea mining and oil

    2018-6-9  Especially offshore in deep water environments Knowledge of locations that are important for core biological functions, such as marine mammal breeding, feeding and resting areas, and migration routes Potential impacts of deep sea mining operation, including: effects of sound on behaviour (including communication, foraging,

  • The Impact of Deep Seabed Mining for Ocean Minerals

    Free from vibration, light, noise, and water currents, seabed mining would disrupt these ecosystems. In addition, seabed mining creates sediment plumes that could have detrimental effects. And given the fact that these nodules grow only a few millimeters over millions of years, sustainability is a major issue.

  • The Optimum Stepped-Pipe String With Vibration

    The Effects of Vibration Absorbers on the Longitudinal Vibration of a Pipe String in the Deep Sea—Part 1: In Case of Mining Cobalt Crusts Int. Journal of Offshore and Polar Engineering , Vol.

  • Special Issue "Deep Learning and Feature Mining

    Hence, powerful feature mining (FM) algorithms are required to mine useful information. Deep learning (DL), or ANN inspired algorithms, for hyperspectral data processing has received unprecedented attention and popularity. Even with so much literature devoted to this topic, there is still so much we do not know about deep learning.

  • Noise Pollution and Its Control in Mining

    2020-7-5  The subaudible noise responsible for vibration causes vibration of the surface features and in case of thin overburden cracks in surface structures. The societal reaction of Jharia town development forum over blasting forced the pick mining in some of the situations. ... The noise level with the deep hole blasting and the pressure wave at wide ...

  • 关于举办Journal of Sound and Vibration主编Andrei V ...

    2019-12-13  Instability of a submerged pipe aspirating fluid (water risers, deep water mining) 2019 年 12 月 20 日,周五 8:00 ~ 10:00 Lecture 4 Vortex-induced vibration of a pipe in cross flow (VIV of offshore risers) 10:10 ~ 12:10 Lecture 5 Crowd-induced instability of ~

  • Influence of Vortex Induced Vibration on the#br# Liquid

    2017-4-3  Abstract: In order to study the influence of vortexinduced vibration(VIV) on mineral particles hydraulic transportation in the deepsea mining, EulerEuler twofluid flow model based on particle dynamics and CFD are employed to simulate the liquidsolid two ...

  • Mining - Pleuger Industries

    Our decades of experience in manufacturing electric submersible motors make us a trusted partner for customized mining solutions. We specialize in the design and development of custom pump units for the harshest operating conditions within the mining sector.

  • Reducing Vibration in Deep Boring - Canadian

    Reducing Vibration in Deep Boring Boring bar selection, including antivibration systems, insert macro- and microgeometries, and proper coolant use all play key roles in boring deep cuts ... Precision bores appear in numerous components in the aerospace, heavy construction, and mining sectors. Like any machining operation, these bores must meet ...

  • [1501.03084] Deep Learning with Nonparametric

    2015-1-14  Clustering is an essential problem in machine learning and data mining. One vital factor that impacts clustering performance is how to learn or design the data representation (or features). Fortunately, recent advances in deep learning can learn unsupervised features effectively, and have yielded state of the art performance in many classification problems, such as character recognition ...

  • 王明洋_百度百科

    Shock and Vibration, 2016, (2016-6-1), 2016, 2016(10):1-11. (8)Wang M, Zhang N, Li J, et al. Computational method of large deformation and its application in deep mining tunnel[J]. Tunnelling Underground Space Technology Incorporating Trenchless Technology Research, 2015, 50:47-53.