Marina Davidović, Jelena Tatalović, Milan Trifković, Ljubiša Manojlović, Bogdan Bojović
: In the last few years, in the Vojvodina, starting-up and realization of the land consolidation projects have become more and more frequent. Therefore, land consolidation represents an area that is in extreme expansion, and which, according to the amount of funds invested in its launch and realization, represents a significant segment for the units of local self-government and the state itself. This paper deals with the analysis of the effects achieved by the land consolidation projects. Following metric data before and after land consolidation were used: number of parcels, average size of the parcel, area under the road and canal network, etc. The cadastral municipality (hereinafter, CM) Šašinci was taken as the subject municipality. In addition, for comparative analysis are used data from other CMs in Vojvodina, where land consolidation was also carried out. Based on figures and charts presented in paper, it can be concluded that the benefits of land consolidation are great. The number of parcels was reduced by an average of 59% per CM. The surface of the road and canal network increased significantly, as well.
{"title":"Analysis of the effects of land consolidation.<br> 
 Case study: Šašinci","authors":"Marina Davidović, Jelena Tatalović, Milan Trifković, Ljubiša Manojlović, Bogdan Bojović","doi":"10.14415/jfce-890","DOIUrl":"https://doi.org/10.14415/jfce-890","url":null,"abstract":": In the last few years, in the Vojvodina, starting-up and realization of the land consolidation projects have become more and more frequent. Therefore, land consolidation represents an area that is in extreme expansion, and which, according to the amount of funds invested in its launch and realization, represents a significant segment for the units of local self-government and the state itself. This paper deals with the analysis of the effects achieved by the land consolidation projects. Following metric data before and after land consolidation were used: number of parcels, average size of the parcel, area under the road and canal network, etc. The cadastral municipality (hereinafter, CM) Šašinci was taken as the subject municipality. In addition, for comparative analysis are used data from other CMs in Vojvodina, where land consolidation was also carried out. Based on figures and charts presented in paper, it can be concluded that the benefits of land consolidation are great. The number of parcels was reduced by an average of 59% per CM. The surface of the road and canal network increased significantly, as well.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135595414","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}
{"title":"Buckling of Concrete Panels under biaxial compression according to Rheological-Dynamical Theory","authors":"Aleksandar Pančić, D. Dragan Milašinović","doi":"10.14415/jfce-891","DOIUrl":"https://doi.org/10.14415/jfce-891","url":null,"abstract":"","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135594497","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}
: The primary aims of this paper are twofold: firstly, to employ Minkowski sum to assess the interaction surfaces of a reinforced concrete section in a post-fire analysis, and secondly, to investigate the impact of fire length on load-bearing capacity for a simple example of a beam under four-point bending. The approach used in this study has previously been utilized for fire scenarios and can be easily adapted for post-fire analysis purposes. The Minkowski sum method is utilized to generate interaction surfaces by combining multiple basic geometric shapes into a more intricate shape. In this case, the simpler shapes used are ellipsoids, and they approximate the contribution of a cross-sectional part. By dividing the section into parts, various material characteristics can be assigned to them, which is crucial for analyzing fire and post-fire bearing capacity. Once the interaction surfaces are formulated, the procedure of evaluating utilization of sections is explained based on the inputted sectional forces. The study compares the experimental and numerical results. The findings obtained utilizing this methodology demonstrate good conformity with outcomes obtained through both experimental data and finite element analysis. The investigation illustrates that fire exposure duration has the most substantial influence on compression and bending load-bearing capacity, particularly when subjected to small eccentricity.
{"title":"Interaction Surfaces for Post-Fire Analysis Based on Minkowski Sum","authors":"Milan Bursać, Saša Stošić","doi":"10.14415/jfce-889","DOIUrl":"https://doi.org/10.14415/jfce-889","url":null,"abstract":": The primary aims of this paper are twofold: firstly, to employ Minkowski sum to assess the interaction surfaces of a reinforced concrete section in a post-fire analysis, and secondly, to investigate the impact of fire length on load-bearing capacity for a simple example of a beam under four-point bending. The approach used in this study has previously been utilized for fire scenarios and can be easily adapted for post-fire analysis purposes. The Minkowski sum method is utilized to generate interaction surfaces by combining multiple basic geometric shapes into a more intricate shape. In this case, the simpler shapes used are ellipsoids, and they approximate the contribution of a cross-sectional part. By dividing the section into parts, various material characteristics can be assigned to them, which is crucial for analyzing fire and post-fire bearing capacity. Once the interaction surfaces are formulated, the procedure of evaluating utilization of sections is explained based on the inputted sectional forces. The study compares the experimental and numerical results. The findings obtained utilizing this methodology demonstrate good conformity with outcomes obtained through both experimental data and finite element analysis. The investigation illustrates that fire exposure duration has the most substantial influence on compression and bending load-bearing capacity, particularly when subjected to small eccentricity.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135595417","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}
: This paper analyses gender differences of the success candidates who applied for the entrance exam in the Faculty of Architecture, Civil Engineering and Geodesy, University of Banja Luka during 2012, 2013 and 2014. The success of candidates according to gender in relation to the desired study programs was especially observed. The length of study of enrolled candidates who graduated was also analysed in relation to gender and study programs. It was concluded that success in the entrance exam and success in high school are statistically significantly related to success in studies, as well as the length of study. Women in architecture and civil engineering studies are just as successful as men, while in the study of geodesy women are more successful than men. The results of this research are presented using statistical analysis.
{"title":"Gender Differences in the Achievements of Architecture, Civil Engineering and Geodesy Students","authors":"Ljubiša Preradović, Snježana Maksimović, Sandra Kosić-Jeremić","doi":"10.14415/jfce-883","DOIUrl":"https://doi.org/10.14415/jfce-883","url":null,"abstract":": This paper analyses gender differences of the success candidates who applied for the entrance exam in the Faculty of Architecture, Civil Engineering and Geodesy, University of Banja Luka during 2012, 2013 and 2014. The success of candidates according to gender in relation to the desired study programs was especially observed. The length of study of enrolled candidates who graduated was also analysed in relation to gender and study programs. It was concluded that success in the entrance exam and success in high school are statistically significantly related to success in studies, as well as the length of study. Women in architecture and civil engineering studies are just as successful as men, while in the study of geodesy women are more successful than men. The results of this research are presented using statistical analysis.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135594481","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}
Ivana Bartolić, G. Lončar, Damjan Bujak, D. Carevic
This paper presents the results of 2D and 3D numerical simulations of sea circulation and water mass exchange for a marina with hypothetical dimensions (L/B=2 and L/B=0.5) to calculate the return flow factor. The return flow factor b was analyzed in relation to the marina entrance width, sea current velocity outside the marina (0, 1, 2, and 5 cm/s) and the sea surface level oscillation dynamics. The basic comparative parameter is the e-flushing time, Tf. The intensity of forced circulation is calculated to achieve time Tf of less than 10 days. The impact of the wind field on the e-flushing time for different marina widths was analyzed using a 3D numerical model. The numerical simulation results indicate that the e-flushing time Tf depends on the amplitude of the tidal signal, secondary to the width of the marina inlet, and the smallest amount on the velocity field in the outer region. Conversely, the return flow factor b depends on the width of the marina entrance, less on the tidal signal amplitude, and least on the current velocity outside the marina if currents are ≥ 1 cm/s. Forced circulation of 1 m3/s is only required for the marina with a smaller tidal amplitude (position Dubrovnik) to achieve Tf<10 days. If at the observed location wind is a dominant sea circulation generator, a wider marina entrance will allow faster sea exchange.
{"title":"NUMERICAL INVESTIGATIONS OF FLUSHING TIME IN SMALL MARINAS","authors":"Ivana Bartolić, G. Lončar, Damjan Bujak, D. Carevic","doi":"10.13167/2020.21.5","DOIUrl":"https://doi.org/10.13167/2020.21.5","url":null,"abstract":"This paper presents the results of 2D and 3D numerical simulations of sea circulation and water mass exchange for a marina with hypothetical dimensions (L/B=2 and L/B=0.5) to calculate the return flow factor. The return flow factor b was analyzed in relation to the marina entrance width, sea current velocity outside the marina (0, 1, 2, and 5 cm/s) and the sea surface level oscillation dynamics. The basic comparative parameter is the e-flushing time, Tf. The intensity of forced circulation is calculated to achieve time Tf of less than 10 days. The impact of the wind field on the e-flushing time for different marina widths was analyzed using a 3D numerical model. The numerical simulation results indicate that the e-flushing time Tf depends on the amplitude of the tidal signal, secondary to the width of the marina inlet, and the smallest amount on the velocity field in the outer region. Conversely, the return flow factor b depends on the width of the marina entrance, less on the tidal signal amplitude, and least on the current velocity outside the marina if currents are ≥ 1 cm/s. Forced circulation of 1 m3/s is only required for the marina with a smaller tidal amplitude (position Dubrovnik) to achieve Tf<10 days. If at the observed location wind is a dominant sea circulation generator, a wider marina entrance will allow faster sea exchange.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"11 1","pages":"55-66"},"PeriodicalIF":0.2,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66266272","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}
The proper choice of insulation materials contributes to the long and reliable operation of the envelope of a whole building. This paper presents the results of moisture-content determination in materials used for internal thermal insulation under different hygrothermal conditions. In this study, surface and internal moisture contents were measured. Moisture sensors that enable constant monitoring of material moisture content but with different operational characteristics, were used in the analysis. The operating principle of the first method involves the conversion of the amount of infrared radiation reflected in an electric signal, and the second method involves the analysis of the electric impulse propagation velocity. The measurement results of both methods are used to determine the drying-out characteristics of components used in internal thermal insulation and the sorptive properties of the selected materials. The results of comparative studies are also presented for these proposed methods as well as the gravimetric method to determine the usability of the proposed methods in determining the dampness level. The overall measurement results helped determine the relationship between the internal and surface moisture contents and the time needed for the moisture content in different parts of the selected materials to equalize.
{"title":"CHARACTERIZATION OF SURFACE AND INTERNAL MOISTURE MIGRATION PROCESSES USING NONDESTRUCTIVE MEASUREMENT METHODS","authors":"Maria Tunkiewicz, Poland Building Physics","doi":"10.13167/2020.20.5","DOIUrl":"https://doi.org/10.13167/2020.20.5","url":null,"abstract":"The proper choice of insulation materials contributes to the long and reliable operation of the envelope of a whole building. This paper presents the results of moisture-content determination in materials used for internal thermal insulation under different hygrothermal conditions. In this study, surface and internal moisture contents were measured. Moisture sensors that enable constant monitoring of material moisture content but with different operational characteristics, were used in the analysis. The operating principle of the first method involves the conversion of the amount of infrared radiation reflected in an electric signal, and the second method involves the analysis of the electric impulse propagation velocity. The measurement results of both methods are used to determine the drying-out characteristics of components used in internal thermal insulation and the sorptive properties of the selected materials. The results of comparative studies are also presented for these proposed methods as well as the gravimetric method to determine the usability of the proposed methods in determining the dampness level. The overall measurement results helped determine the relationship between the internal and surface moisture contents and the time needed for the moisture content in different parts of the selected materials to equalize.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"1 1","pages":"51-62"},"PeriodicalIF":0.2,"publicationDate":"2020-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42488502","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}
: The Sergeevka resort is the largest climatic-balneal-mud resort in the south of Odessa region. This article presents an overview of the current state of the resort and an analysis of its transport-planning scheme. In addition, suggestions on the resort’s availability and improvement of its functioning are provided through reconstruction of the resort’s external (in particular with Odessa) and internal transport links. Based on the city-planning analysis of the existing access roads to the resort and within its territory, the study presents a concept of the organization of the transport scheme. Its basic arrangements will provide the opportunity for the development of the resort by contributing to the influx of vacationers and investments and creation of new workplaces.
{"title":"URBAN PLANNING PERSPECTIVES OF THE POTENTIAL OF RESORT DEVELOPMENT IN THE SERGEEVKA SETTLEMENT WITH TRAFFIC IMPROVEMENT","authors":"N. Belskaya, M. Kramarenko","doi":"10.13167/2020.20.6","DOIUrl":"https://doi.org/10.13167/2020.20.6","url":null,"abstract":": The Sergeevka resort is the largest climatic-balneal-mud resort in the south of Odessa region. This article presents an overview of the current state of the resort and an analysis of its transport-planning scheme. In addition, suggestions on the resort’s availability and improvement of its functioning are provided through reconstruction of the resort’s external (in particular with Odessa) and internal transport links. Based on the city-planning analysis of the existing access roads to the resort and within its territory, the study presents a concept of the organization of the transport scheme. Its basic arrangements will provide the opportunity for the development of the resort by contributing to the influx of vacationers and investments and creation of new workplaces.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"5 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2020-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66266225","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}
B. Đurin, N. Kranjčić, A. Muhar, Building ltd Ivanec
The smart hydro-energy hybrid system comprises a small hydroelectric power plant and a solar photovoltaic power plant as a part of energy input for the realization of smart cities. This paper introduces the critical period method (CPM), which can be used for system sizing. According to this method, if the total energy production is lower than the energy demand, a critical period should be defined based on the largest difference between demand and production. The period (day) in which that difference appears is called the critical period. If the energy demand during this period is satisfied, the demand on the remaining days of the year is also satisfied. Any possible breaks in energy production, caused by a reduction in the expected river-flow rates or insolation (in the case of cloudiness), will be reduced to a minimum. The use of such a hybrid system guarantees the production of electricity throughout the year. Such a hybrid system could facilitate the realization of a smart city and help achieve energy stability and security. Despite Croatia having great potential in terms of solar energy use and the large number of available watercourses, such a hybrid system has never been realized. In particular, CPM has not been applied previously anywhere in the world.
智能水能混合系统包括一个小型水力发电厂和一个太阳能光伏发电厂，作为实现智慧城市的一部分能源输入。本文介绍了临界周期法(critical period method, CPM)，该方法可用于系统的分级。根据该方法，如果能源生产总量低于能源需求，则应根据需求与生产之间的最大差值来定义关键时期。出现这种差异的时期(天)称为关键期。如果满足了这段时间的能源需求，那么一年中其余日子的需求也会得到满足。由于预期河水流量减少或日晒(在多云的情况下)造成的任何可能的能源生产中断都将减少到最低限度。这种混合系统的使用保证了全年的电力生产。这种混合系统可以促进智慧城市的实现，并有助于实现能源的稳定和安全。尽管克罗地亚在利用太阳能和大量可用水道方面具有巨大潜力，但这种混合系统从未实现过。特别是，CPM以前在世界上任何地方都没有应用过。
{"title":"SMART HYDRO-ENERGY HYBRID SYSTEM POTENTIAL IN CROATIA—BEDNJA RIVER CASE STUDY","authors":"B. Đurin, N. Kranjčić, A. Muhar, Building ltd Ivanec","doi":"10.13167/2020.20.4","DOIUrl":"https://doi.org/10.13167/2020.20.4","url":null,"abstract":"The smart hydro-energy hybrid system comprises a small hydroelectric power plant and a solar photovoltaic power plant as a part of energy input for the realization of smart cities. This paper introduces the critical period method (CPM), which can be used for system sizing. According to this method, if the total energy production is lower than the energy demand, a critical period should be defined based on the largest difference between demand and production. The period (day) in which that difference appears is called the critical period. If the energy demand during this period is satisfied, the demand on the remaining days of the year is also satisfied. Any possible breaks in energy production, caused by a reduction in the expected river-flow rates or insolation (in the case of cloudiness), will be reduced to a minimum. The use of such a hybrid system guarantees the production of electricity throughout the year. Such a hybrid system could facilitate the realization of a smart city and help achieve energy stability and security. Despite Croatia having great potential in terms of solar energy use and the large number of available watercourses, such a hybrid system has never been realized. In particular, CPM has not been applied previously anywhere in the world.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"20 1","pages":"39-50"},"PeriodicalIF":0.2,"publicationDate":"2020-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44829149","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}
Youssouf Chalabi, P. Reiffsteck, Abdeldjalil Zadjaoui
This article presents an experimental study on 81 specimens made from three different mixtures of clay and sand. To ensure uniform initial parameters, all specimens were prepared with an initial water content of 30%. Two series of unconsolidated undrained shear tests under different overconsolidation ratios were conducted on a direct shear apparatus: the first aims to determine the SHANSEP (Stress History and Normalized Soil Engineering Properties) parameters namely S and m, whereas the second is used for evaluating the preconsolidation pressure. This work has provided an opportunity to investigate the influence of sand content on SHANSEP parameters and moreover to study the reliability of the preconsolidation stress estimated by the SHANSEP procedure.
{"title":"APPLICABILITY OF SHANSEP METHOD IN EVALUATION OF PRECONSOLIDATION PRESSURE","authors":"Youssouf Chalabi, P. Reiffsteck, Abdeldjalil Zadjaoui","doi":"10.13167/2020.20.2","DOIUrl":"https://doi.org/10.13167/2020.20.2","url":null,"abstract":"This article presents an experimental study on 81 specimens made from three different mixtures of clay and sand. To ensure uniform initial parameters, all specimens were prepared with an initial water content of 30%. Two series of unconsolidated undrained shear tests under different overconsolidation ratios were conducted on a direct shear apparatus: the first aims to determine the SHANSEP (Stress History and Normalized Soil Engineering Properties) parameters namely S and m, whereas the second is used for evaluating the preconsolidation pressure. This work has provided an opportunity to investigate the influence of sand content on SHANSEP parameters and moreover to study the reliability of the preconsolidation stress estimated by the SHANSEP procedure.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"1 1","pages":"13-24"},"PeriodicalIF":0.2,"publicationDate":"2020-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49559118","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}
Currently, most communal utility management companies continually and automatically follow the changing trends in the drinking and wastewater quality (DWWQ) within their area of activity. Different control systems and applications are used for this purpose. Efficient monitoring of DWWQ should also include the analysis of water-quality parameters, such as the range of changes and trends. The method of Rescaled Adjusted Partial Sums (RAPS) is very suitable for the visualization and determination of the readily apparent features, which may be hidden from the common time-series plots of values. This paper presents different approaches for the tracking and analysis of the DWWQ parameters using a combination of the open-source spatial database, PostgreSQL, and the open-source GIS software. The proposed approach has not yet been used in the management of communal utilities. The main advantages of this modern system are the use of opensource programs and the high efficiency of water-quality monitoring with large datasets. However, the application of this system would require further training of employees in communal utility companies. The analysis results were all obtained for real locations.
{"title":"EFFICIENT MONITORING OF VARIATION IN THE PARAMETERS OF DRINKING AND WASTEWATER QUALITY USING SPATIAL DATABASE AND APPLICATION OF RAPS","authors":"B. Đurin, N. Kranjčić","doi":"10.13167/2020.20.7","DOIUrl":"https://doi.org/10.13167/2020.20.7","url":null,"abstract":"Currently, most communal utility management companies continually and automatically follow the changing trends in the drinking and wastewater quality (DWWQ) within their area of activity. Different control systems and applications are used for this purpose. Efficient monitoring of DWWQ should also include the analysis of water-quality parameters, such as the range of changes and trends. The method of Rescaled Adjusted Partial Sums (RAPS) is very suitable for the visualization and determination of the readily apparent features, which may be hidden from the common time-series plots of values. This paper presents different approaches for the tracking and analysis of the DWWQ parameters using a combination of the open-source spatial database, PostgreSQL, and the open-source GIS software. The proposed approach has not yet been used in the management of communal utilities. The main advantages of this modern system are the use of opensource programs and the high efficiency of water-quality monitoring with large datasets. However, the application of this system would require further training of employees in communal utility companies. The analysis results were all obtained for real locations.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"20 1","pages":"73-81"},"PeriodicalIF":0.2,"publicationDate":"2020-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44487465","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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