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Integrated analysis of rock mass deformation within shaft protective pillar 井筒保护柱岩体变形综合分析
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MSC152202
E. Warchala, A. Szostak-Chrzanowski
{"title":"Integrated analysis of rock mass deformation within shaft protective pillar","authors":"E. Warchala, A. Szostak-Chrzanowski","doi":"10.5277/MSC152202","DOIUrl":"https://doi.org/10.5277/MSC152202","url":null,"abstract":"Abstract: The paper presents an analysis of the rock mass deformation resulting from mining in the vicinity of the shaft protection pillar. A methodology of deformation prediction is based on a deterministic method using Finite Element Method (FEM). The FEM solution is based on the knowledge of the geomechanical properties of the various geological formations, tectonic faults, types of mining systems, and the complexity of the behaviour of the rock mass. The analysis gave the stress and displacement fields in the rock mass. Results of the analysis will allow for design of an optimal mining system. The analysis is illustrated by an example of the shaft R-VIII Rudna Mine KGHM Polish Copper SA.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91312317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clean Coal Technologies in every stage of coal production in Polish industry 清洁煤炭技术在波兰工业煤炭生产的各个阶段
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150209
P. Pięta
{"title":"Clean Coal Technologies in every stage of coal production in Polish industry","authors":"P. Pięta","doi":"10.5277/MS150209","DOIUrl":"https://doi.org/10.5277/MS150209","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79408791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Studies of chrysoprase and microcrystalline silica varieties from serpentinites of Szklary Massif (Foresudetic Block, SW Poland) by Raman spectroscopic technique – preliminary results 用拉曼光谱技术研究波兰西南Szklary地块蛇纹岩中的绿铜矿和微晶二氧化硅品种
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150204
I. Korybska-Sadło
{"title":"Studies of chrysoprase and microcrystalline silica varieties from serpentinites of Szklary Massif (Foresudetic Block, SW Poland) by Raman spectroscopic technique – preliminary results","authors":"I. Korybska-Sadło","doi":"10.5277/MS150204","DOIUrl":"https://doi.org/10.5277/MS150204","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77493608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analysis of the results of the strength tests of finger splices 手指接头强度试验结果分析
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150203
A. Kirjanów
{"title":"Analysis of the results of the strength tests of finger splices","authors":"A. Kirjanów","doi":"10.5277/MS150203","DOIUrl":"https://doi.org/10.5277/MS150203","url":null,"abstract":"The paper analyses the results of the strength tests of finger splices of conveyor belts carried out at the Belt Transport Laboratory (LTT). The article presents a statistical analysis of data and assessment the reasons of the reduced strength of finger splices. The results of these tests are a valuable source material, which should be used in further works.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73875382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Research on efficiency of heat recovery in the cross-plate heat exchanger made of plastic 塑料交叉板换热器热回收效率的研究
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150217
S. Sas, P. Kasprzyk
{"title":"Research on efficiency of heat recovery in the cross-plate heat exchanger made of plastic","authors":"S. Sas, P. Kasprzyk","doi":"10.5277/MS150217","DOIUrl":"https://doi.org/10.5277/MS150217","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83718563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rheological properties of the salt in relation to halokinesis 盐的流变特性与盐运动的关系
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150201
J. Gacek
{"title":"Rheological properties of the salt in relation to halokinesis","authors":"J. Gacek","doi":"10.5277/MS150201","DOIUrl":"https://doi.org/10.5277/MS150201","url":null,"abstract":"The article relates to the rheological properties of the salt with respect to halokinesis mainly in terms of microstructures. Phenomena are considered in terms of a non-Newtonian fluid, taking into account anomalies for small scales. Experiment on reviewing the movements that have a direct correlation with the deformation (strain) and stress. In the study, the maximum observed values were measured: the incremental displacement vector and finite displacement vector. These indicators together with the deformations can give us full information about the stress of the rock mass. Results of studies in relation to the larger scale could provide consistent information on the salt layer rheology and resistance or susceptibility to deformation of the underlying layers of the above. This would be important information during the construction of mines (for example: oil rig, pithead,mineshaft), drift mining and strip mining.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74238962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differences between downhole and surface micro-seismic monitoring 井下与地面微震监测的差异
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MSC152206
Eryk Święch, Pawel Wandycz
{"title":"Differences between downhole and surface micro-seismic monitoring","authors":"Eryk Święch, Pawel Wandycz","doi":"10.5277/MSC152206","DOIUrl":"https://doi.org/10.5277/MSC152206","url":null,"abstract":"The article presents usage of microseismic monitoring for location of microseismic events in polish geological conditions. For location of one synthetic microseismic event, two methods of acquisition were applied: surface and downhole monitoring array. Downhole microseismic monitoring is a technique of recording induced seismicity using receivers placed in the monitoring well near to the treatment well. In case of surface monitoring receivers are placed at the surface. For determination of hypocenter location probability density function was used. Based on provided analysis it is concluded that for polish conditions it is better to use downhole microseismic monitoring. Event located with usage of this technique was located correctly and uncertainty of this location was lower.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85585607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laboratory testing of conveyor textile belt joints used in underground mines 地下矿山用传送带接头的室内试验
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MSC152211
M. Hardygóra, M. Bajda, R. Blazej
{"title":"Laboratory testing of conveyor textile belt joints used in underground mines","authors":"M. Hardygóra, M. Bajda, R. Blazej","doi":"10.5277/MSC152211","DOIUrl":"https://doi.org/10.5277/MSC152211","url":null,"abstract":": In order to achieve the high standards of safety and operational reliability required of belt conveyors, there is a requirement for systematic testing of conveyor belts and their joints. This article describes joint testing methods and presents an analysis of the causes of reduced strength of multi-ply belt joints. Testing was carried out at the Belt Conveying Laboratory (LTT) of Wroclaw University of Technology. Presented here is a proprietary method for the measurement of stress distribution in conveyor belt adhesive joints.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91053890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Assumptions for the proposed method of monitoring deformations in wooden grating casings in the conditions of Wieliczka Salt Mine 提出了在维利奇卡盐矿条件下木格栅壳变形监测方法的假设
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150211
M. Szpak
{"title":"Assumptions for the proposed method of monitoring deformations in wooden grating casings in the conditions of Wieliczka Salt Mine","authors":"M. Szpak","doi":"10.5277/MS150211","DOIUrl":"https://doi.org/10.5277/MS150211","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76297169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The impact of joints’ quality on their strength in ST 3150 conveyor belts st3150输送带接头质量对接头强度的影响
IF 1.3
Mining Science Pub Date : 2015-01-01 DOI: 10.5277/MS150205
T. Kozłowski
{"title":"The impact of joints’ quality on their strength in ST 3150 conveyor belts","authors":"T. Kozłowski","doi":"10.5277/MS150205","DOIUrl":"https://doi.org/10.5277/MS150205","url":null,"abstract":"Article discusses issues related to the weakened strength of the joints in conveyor belts. Joints are the weakest element of the belt and should be taken aimed at eliminating the errors made that may be caused by multiple factors. Every breakdown generates additional costs in the company so this is important to decrease their number. All analyzed joints were made using belts with steel cords. The results were obtained from the Conveyor Transport Laboratory at the Wroclaw University of Technology. The assessment showed a significant impact of the working defects on joint strength. Also the trend analysis performed on the samples of regenerated belts showed a linear decrease in strength along with the degree of regeneration.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79351416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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