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Загальна кількість знайдених документів : 3 Представлено документи з 1 до 3 |
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| 1. | 
Nurpeisova M. B. Innovative methods of the rock massif fractures survay and treatment of its results [Електронний ресурс] / M. B. Nurpeisova, D. M. Kirgizbayeva, K. Kopzhasaruly // Науковий вісник Національного гірничого університету. - 2016. - № 2. - С. 11–18. - Режим доступу: http://nbuv.gov.ua/UJRN/Nvngu_2016_2_4 Structural features of a rock massif are one of the most important factors determining the geomechanical processes. The method of their study was limited mainly to the direct measurements in outcrops at the surface, on the slopes of quarries and mines by a mining compass. Nowadays, mine surveying employs modern electronic devices such as 3D scanner and others. A laser scanner can be used to capture possible fracture if the device is arranged within 300 meters from the massif. One of the major advantages of the laser scanning is the possibility of obtaining information on the status of dip fractures and the size of structure blocks without direct contact of the worker with the massif. In addition, the laser scanner can be used in iron-ore opencast mines, unlike the mining compass. Purpose. Development of the surveying method based on 3D laser scanning in opencast mines, which will reduce the measurement time and allow creation of three-dimensional models of ore bodies taking into consideration their structure. Methodology. The research employed the surface laser scanning of rock fractures in opencast mines, collecting data in real time and computer analysis of the results. Findings. Methods of terrestrial laser scanning for obtaining data on geometrical parameters of opencast mines, crack occurrence and faults have been developed. Originality. The new method of surveying the structural features of a rock massif based on 3D laser scanning allows for instant three-dimensional visualization of the survey results with a high information content, precision and productivity. Practical value. The new method is intended to create a 3D model of a dip fracture, fault and ore body reflecting its structure. | ||
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Nurpeisova M. B. Study of regularity of geomechanical processes development while developing deposits by the combined way [Електронний ресурс] / M. B. Nurpeisova, O. A. Sarybaiev, O. S. Kurmanbaiev // Науковий вісник Національного гірничого університету. - 2016. - № 4. - С. 30-36. - Режим доступу: http://nbuv.gov.ua/UJRN/Nvngu_2016_4_6 Purpose. The introduction of modern geodetic array condition monitoring methods in order to establish laws governing the development of geomechanical processes in the combined method of developing Maykain gold deposit, ensuring high accuracy and performance of surveying. Methodolody. Analysis and synthesis of theoretical research in the process of displacement of different geological conditions of deposits, systematization of international experience in usage of combined development of gold deposits, experimental studies in the laboratory and mine conditions, analytical calculations, processing observation results by methods of mathematical statistics and computer modeling. Findings. For safe and efficient extraction of gold, effects of natural and geotechnical factors on the development of deformation processes were studied, this allowed evaluating the possibility of regulating their influence on rock mass and engineering structures. Geomechanical monitoring of the condition of the rock mass was conducted using modern surveying instruments, which provided high accuracy and performance of surveying. The determined conditions of cracking in the rear sight between the open and underground workings allow obtaining information on changes of geomechanical condition of overlying layers of rock mass. A scheme of rock mass movement during the application of the combined method of mining of Maykain deposit was established which allows choosing different ways of managing geomechanical processes. Originality. Consists in developing a method of monitoring an array status on the basis of modern geodetic instruments, with a high information content and accuracy of the determination in the process of shifting patterns. Practical value consists in the introduction high-precision geodetic methods into the production, namely, into system of geomechanical monitoring while combining open pit and underground works. | ||
| 3. |
Nurpeisova M. B. Forecast changes in the geodynamic regime of geological environment during large-scale subsoil development [Електронний ресурс] / M. B. Nurpeisova, M. Zh. Bitimbayev, K. B. Rysbekov, Sh. Sh. Bekbasarov // Naukovyi visnyk Natsionalnoho Hirnychoho Universytetu. - 2021. - № 6. - С. 5-10. - Режим доступу: http://nbuv.gov.ua/UJRN/Nvngu_2021_6_3 Purpose. Developing the methods for forecasting changes in the geological environment based on integrated monitoring, which ensures industrial and environmental safety of Central Kazakhstan region. Methodology. Integrated approach was used in the work, including: study on mining and geological conditions, structural features of rocks and conducting mine surveying at mines on the basis of modern methods and means of geomonitoring developed by the authors. Findings. Methodology for integrated geodynamic monitoring system is developed. A new method of geodynamic polygon establishment is proposed. Study results were implemented at operating mining enterprises during implementation of projects "Comprehensive monitoring of slow deformation processes of the earth's surface during large-scale development of ore deposits in Central Kazakhstan" and "Development of innovative methods for forecasting and assessing the state of rock mass to prevent technogenic emergencies", and the results were used in the educational process of Satbayev University. Originality. As a result of the research work carried out, the following were created and introduced into production: geodynamic polygon (GDP) of the area, established on the basis of the "nodal" method, combined with leveling, satellite and seismological points, allowing monitoring coverage of exploration and mining operations, as well as increasing efficiency of observations and reducing capital costs for mineral production; developed constructions of permanent (ground and underground) forced centering points (FCP), which allow increasing productivity and observations accuracy; method for photographing structural features of rock mass using a 3D laser scanner, which makes it possible to study elements of cracks occurrence and faults in rocks in sufficient detail; composition of strengthening solution from mining waste to increase stability of disturbed sections of open cast benches was developed. The novelty of the developed methods and means is confirmed by RK patents for invention. Practical value. Obtained results can be used to improve the level of industrial safety at mines and minimize environmental risks caused by subsoil development. | ||
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