Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-2-1-294-298
A. S. Kalganov, V. Olenchenko
The search for leaks from various hydraulic structures is a topical task of electrometry. Pregnant solution pond is one of the objects of electrometric control. They accumulate gold-enriched solutions. Identification of a breach in the waterproofing layer of a pond is possible by the method of electrical resistivity tomography with the measurement of induced polarization. Physical simulations were carried out to determine the nature of the electrical anomalies caused by the breach. A small plastic water tank imitated a solution pond. A hole was made in the bottom of the small tank, it provided a hydraulic connection with the large tank. The measurements were performed with the Skla-64 equipment, and the two-dimensional data inversion was carried out using the Res2DInv program. As a result, it was found that the place of leakage is allocated by an anomaly of low electrical resistivity and an intense anomaly of normalized chargeability. However, the 2D electrical resistivity model is complicated by inversion artifacts. The normalized chargeability anomaly is local and accurately marks the location of the leak in the bottom of the tank. It is proposed to use a complex analysis of electrical resistivity and normalized chargeability for electrometric monitoring of leaks from pregnant solution pond and other hydraulic structures.
{"title":"Physical modeling of electrometric control of leaks from the pregnant solution pond","authors":"A. S. Kalganov, V. Olenchenko","doi":"10.33764/2618-981x-2022-2-1-294-298","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-2-1-294-298","url":null,"abstract":"The search for leaks from various hydraulic structures is a topical task of electrometry. Pregnant solution pond is one of the objects of electrometric control. They accumulate gold-enriched solutions. Identification of a breach in the waterproofing layer of a pond is possible by the method of electrical resistivity tomography with the measurement of induced polarization. Physical simulations were carried out to determine the nature of the electrical anomalies caused by the breach. A small plastic water tank imitated a solution pond. A hole was made in the bottom of the small tank, it provided a hydraulic connection with the large tank. The measurements were performed with the Skla-64 equipment, and the two-dimensional data inversion was carried out using the Res2DInv program. As a result, it was found that the place of leakage is allocated by an anomaly of low electrical resistivity and an intense anomaly of normalized chargeability. However, the 2D electrical resistivity model is complicated by inversion artifacts. The normalized chargeability anomaly is local and accurately marks the location of the leak in the bottom of the tank. It is proposed to use a complex analysis of electrical resistivity and normalized chargeability for electrometric monitoring of leaks from pregnant solution pond and other hydraulic structures.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88626769","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-4-144-147
I. Bochkareva
The paper discusses the causes of urban pollution with solid municipal waste. One of the reasons for the littering of urbanized territories, the author considers the lack of elaboration in determining those responsible for specific land plots. In the paper, as an example, sections are given along the fence of hazardous areas of railway tracks, after the establishment of which the amount of household waste left along them has sharply increased. It is not possible to determine the ownership of land plots using a public cadastral map, since they do not even have a category of land use.
{"title":"City pollution problem","authors":"I. Bochkareva","doi":"10.33764/2618-981x-2022-4-144-147","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-4-144-147","url":null,"abstract":"The paper discusses the causes of urban pollution with solid municipal waste. One of the reasons for the littering of urbanized territories, the author considers the lack of elaboration in determining those responsible for specific land plots. In the paper, as an example, sections are given along the fence of hazardous areas of railway tracks, after the establishment of which the amount of household waste left along them has sharply increased. It is not possible to determine the ownership of land plots using a public cadastral map, since they do not even have a category of land use.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"38 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88778015","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-2-2-75-80
O. S. Gniteeva, A. A. Kovalev, N. N. Semakov
The average annual values of the characteristics of the magnetic field obtained at observatories from different regions make it possible to calculate the values of the local magnetic constant in the corresponding years. Changes in this parameter can be associated with both a change in the magnetic moment of an equivalent dipole and a change in the distance to it. The paper assessed the magnitude of these changes over the past 60 years and the possible combined influence of both of these factors.
{"title":"Change in the magnetic moment of an equivalent dipole and the distance to it according to oservatories (1950-2020)","authors":"O. S. Gniteeva, A. A. Kovalev, N. N. Semakov","doi":"10.33764/2618-981x-2022-2-2-75-80","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-2-2-75-80","url":null,"abstract":"The average annual values of the characteristics of the magnetic field obtained at observatories from different regions make it possible to calculate the values of the local magnetic constant in the corresponding years. Changes in this parameter can be associated with both a change in the magnetic moment of an equivalent dipole and a change in the distance to it. The paper assessed the magnitude of these changes over the past 60 years and the possible combined influence of both of these factors.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88883772","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-2-3-257-264
D. O. Pervukhin, P. Kosykh
The article considers the numerical calculations of the air flow flow in an asian fan operating in reverse mode. The calculation was carried out in the ANSYS CFX. Fan of the TsAGI OV-103 aerodynamic scheme was considered, for which experimental aerodynamic characteristics are known. K-ε and SST turbulence models were used in the calculation. The dependences of the total fan pressure on the flow rate are obtained. For a single-stage Rotor+OGV scheme, the closest to experimental results were calculated using the SST model. For a two-stage Rotor+OGV+Rotor+OGV dependence of the total pressure is determined using the k-ε model. For such a scheme, axial velocity distributions in the outlet are calculated for different performance values.
{"title":"Numerical simulation of the airflow in a mine axial fan in reverse mode","authors":"D. O. Pervukhin, P. Kosykh","doi":"10.33764/2618-981x-2022-2-3-257-264","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-2-3-257-264","url":null,"abstract":"The article considers the numerical calculations of the air flow flow in an asian fan operating in reverse mode. The calculation was carried out in the ANSYS CFX. Fan of the TsAGI OV-103 aerodynamic scheme was considered, for which experimental aerodynamic characteristics are known. K-ε and SST turbulence models were used in the calculation. The dependences of the total fan pressure on the flow rate are obtained. For a single-stage Rotor+OGV scheme, the closest to experimental results were calculated using the SST model. For a two-stage Rotor+OGV+Rotor+OGV dependence of the total pressure is determined using the k-ε model. For such a scheme, axial velocity distributions in the outlet are calculated for different performance values.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87559627","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-4-247-251
L. Trubina, L. A. Golovina
Modern technologies contribute to the development of methods for analyzing and visualizing spatial information about the state of the environment, which expand the possibilities of urban environmental diagnostics. The article discusses some aspects of the use of geoinformation technologies, including 3D modeling in urban diagnostics. The main stages of a comprehensive analysis of the urban area for the purposes of urban ecodiagnostics are given. It is noted that geospatial modeling makes it possible to identify the main patterns of the processes of the spread of pollution throughout the city, which in turn can be used to plan its development in order to improve the comfort of the urban environment.
{"title":"Geospatial modeling for urban environmental assessment","authors":"L. Trubina, L. A. Golovina","doi":"10.33764/2618-981x-2022-4-247-251","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-4-247-251","url":null,"abstract":"Modern technologies contribute to the development of methods for analyzing and visualizing spatial information about the state of the environment, which expand the possibilities of urban environmental diagnostics. The article discusses some aspects of the use of geoinformation technologies, including 3D modeling in urban diagnostics. The main stages of a comprehensive analysis of the urban area for the purposes of urban ecodiagnostics are given. It is noted that geospatial modeling makes it possible to identify the main patterns of the processes of the spread of pollution throughout the city, which in turn can be used to plan its development in order to improve the comfort of the urban environment.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90294530","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-1-57-63
G. Ustavich, T. Khlebnikova, A. M. Astapov
On a modern industrial site, it is regularly necessary to solve a number of tasks related to work on vertical objects (reconstruction of facades, installation and replacement of communications of industrial enterprises, etc.). Modern approaches to the creation of geodetic materials for solving these tasks do not meet modern requirements and do not provide the necessary level of informativeness. The authors of the article propose to use a new type of materials - vertical engineering topographic plans of scales 1: 500 and 1: 200. As a basis for a vertical engineering topographic plan, it is proposed to use orthophotomaps, digital models obtained using materials from unmanned aerial systems (UAS), converted standard topographic plans. The results of the processing of survey materials of civil buildings, obtained by means of UAS, are presented. The fundamental possibility of using survey materials to obtain vertical engineering and topographic plans at scales of 1: 500 and 1:2 00 is revealed.
{"title":"Development of a technological scheme for creating vertical topographic plans","authors":"G. Ustavich, T. Khlebnikova, A. M. Astapov","doi":"10.33764/2618-981x-2022-1-57-63","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-1-57-63","url":null,"abstract":"On a modern industrial site, it is regularly necessary to solve a number of tasks related to work on vertical objects (reconstruction of facades, installation and replacement of communications of industrial enterprises, etc.). Modern approaches to the creation of geodetic materials for solving these tasks do not meet modern requirements and do not provide the necessary level of informativeness. The authors of the article propose to use a new type of materials - vertical engineering topographic plans of scales 1: 500 and 1: 200. As a basis for a vertical engineering topographic plan, it is proposed to use orthophotomaps, digital models obtained using materials from unmanned aerial systems (UAS), converted standard topographic plans. The results of the processing of survey materials of civil buildings, obtained by means of UAS, are presented. The fundamental possibility of using survey materials to obtain vertical engineering and topographic plans at scales of 1: 500 and 1:2 00 is revealed.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"17 4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85564760","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-2-4-29-37
E. Sher
The paper describes computational model variants of penetration dynamics of a wedge-shaped tool in rock mass. The computation uses the quasi-static approximation of penetration resistance forces obtained preliminarily in 2D and 3D formulations. The scope of the analysis embraces the elastoplastic and elastic deformation events in the medium with regard to the equilibrium propagation of a main crack. The calculation results are compared with the experimental modeling data on impact-driven wedge penetration in an organic glass block. The comparison proves efficiency of the described computational models.
{"title":"3D computational model of wedge penetrator-rock mass interaction dynamics","authors":"E. Sher","doi":"10.33764/2618-981x-2022-2-4-29-37","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-2-4-29-37","url":null,"abstract":"The paper describes computational model variants of penetration dynamics of a wedge-shaped tool in rock mass. The computation uses the quasi-static approximation of penetration resistance forces obtained preliminarily in 2D and 3D formulations. The scope of the analysis embraces the elastoplastic and elastic deformation events in the medium with regard to the equilibrium propagation of a main crack. The calculation results are compared with the experimental modeling data on impact-driven wedge penetration in an organic glass block. The comparison proves efficiency of the described computational models.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"50 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90691284","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-3-183-188
Y. E. Chukhvacheva, A. Timofeev
The geometric component of the EEKO plans, cadastral OKS and engineering topographic plans is compared. Their similarities and differences are shown. Errors in geometry are investigated. It is noted as the most accurate and complete engineering and topographic plan, which undergoes a number of controls in the process of creation. Conclusion - in order to exclude gross errors in the metric position of real estate objects, it is necessary to control boundary and technical plans, which are the basis of on-duty cadastral maps.
{"title":"Real estate objects on EEKO cadastral and engineering topographic plans","authors":"Y. E. Chukhvacheva, A. Timofeev","doi":"10.33764/2618-981x-2022-3-183-188","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-3-183-188","url":null,"abstract":"The geometric component of the EEKO plans, cadastral OKS and engineering topographic plans is compared. Their similarities and differences are shown. Errors in geometry are investigated. It is noted as the most accurate and complete engineering and topographic plan, which undergoes a number of controls in the process of creation. Conclusion - in order to exclude gross errors in the metric position of real estate objects, it is necessary to control boundary and technical plans, which are the basis of on-duty cadastral maps.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91136390","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-2-4-3-12
A. Chanyshev, O. Belousova
It is proposed to evaluate the effectiveness of the tool penetrating by the medium resistance to this action - the lower the resistance, the more effective the tool. The medium resistance can be determined by using rigid-type loading devices, when the immersion rate of the tool is monitored at steady loading speed. Another method is shock loading with measuring the penetration depth and the time to reach the depth. The paper provides a solution to the problem in dynamic setting that is the medium resistance to deformation is set at a given tool mass, its initial speed of immersion, known values of penetration depth and time. Comparing the resistance of the medium for differently sharpened tools, the one that delivers the minimum resistance of the medium at penetration to a given depth is selected.
{"title":"Medium resistance to rigid tool penetration","authors":"A. Chanyshev, O. Belousova","doi":"10.33764/2618-981x-2022-2-4-3-12","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-2-4-3-12","url":null,"abstract":"It is proposed to evaluate the effectiveness of the tool penetrating by the medium resistance to this action - the lower the resistance, the more effective the tool. The medium resistance can be determined by using rigid-type loading devices, when the immersion rate of the tool is monitored at steady loading speed. Another method is shock loading with measuring the penetration depth and the time to reach the depth. The paper provides a solution to the problem in dynamic setting that is the medium resistance to deformation is set at a given tool mass, its initial speed of immersion, known values of penetration depth and time. Comparing the resistance of the medium for differently sharpened tools, the one that delivers the minimum resistance of the medium at penetration to a given depth is selected.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85897611","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}
Pub Date : 2022-05-18DOI: 10.33764/2618-981x-2022-2-2-81-86
E. S. Konyaev, P. Dyadkov
Tectonomagnetic monitoring is most often carried out in areas where bodies with anomalous values of magnetic properties (magnetic susceptibility and remanent magnetization) are located, since they are indicators of changes in the stress state of the Earth's crust. However, when performing modular measurements, secondary effects of geomagnetic variations arise, the amplitude of which exceeds the expected magnetoelastic effect. A method was proposed for determining the coefficients of the linear dependence of the magnitude of the secondary effects of geomagnetic variations on the components of these variations. The singular value decomposition method was applied to identify the optimal periods of variations for calculating the coefficients. After excluding secondary effects from the results of observations at the stations Zarechye-1 and Sukhaya-2, it was possible to reduce the root-mean-square deviation of the difference values of the modulus of the magnetic induction vector between these points and the Enkhaluk base station by 4 times.
{"title":"Inductive and orientational effects of geomagnetic variations in the southwest of the Zarechenskaya magnetic anomaly (eastern coast of lake Baikal)","authors":"E. S. Konyaev, P. Dyadkov","doi":"10.33764/2618-981x-2022-2-2-81-86","DOIUrl":"https://doi.org/10.33764/2618-981x-2022-2-2-81-86","url":null,"abstract":"Tectonomagnetic monitoring is most often carried out in areas where bodies with anomalous values of magnetic properties (magnetic susceptibility and remanent magnetization) are located, since they are indicators of changes in the stress state of the Earth's crust. However, when performing modular measurements, secondary effects of geomagnetic variations arise, the amplitude of which exceeds the expected magnetoelastic effect. A method was proposed for determining the coefficients of the linear dependence of the magnitude of the secondary effects of geomagnetic variations on the components of these variations. The singular value decomposition method was applied to identify the optimal periods of variations for calculating the coefficients. After excluding secondary effects from the results of observations at the stations Zarechye-1 and Sukhaya-2, it was possible to reduce the root-mean-square deviation of the difference values of the modulus of the magnetic induction vector between these points and the Enkhaluk base station by 4 times.","PeriodicalId":13672,"journal":{"name":"Interexpo GEO-Siberia","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86063486","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}
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