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GeoRes 2021, 36(2): 0-0 Back to browse issues page
A spatial model for assessing the urban sewage network accidents in cities with historical context(A case study about Isfahan)
Farhad Katiraei1, Alireza Gharagozlou *2, Ali asghar Alesheikh3, Amirhooman Hemmasi4
1- Department of GIS and RS Science and research branch, Islamic azad university, Tehran, Iran, Shahid Sattari Highway - University Square , Shohada Hesarak Boulevard - Islamic Azad University, Science and Research Branch
2- Shahid Beheshti University , a_gharagozlo@sbu.ac.ir
3- K. N. Toosi University of Technology, Tehran, Iran, Prof., Department of GIS, Faculty of Geodesy and Geomatic Engineering K. N. Toosi University of Technology, Tehran, Iran
4- Islamic Azad University, Science and Research Branch,Tehran,Iran, Faculty of Natural Resources & Environment Science & Research Branch, Islamic Azad University, Tehran, Iran
Abstract:   (2504 Views)
Aims & Backgrounds: The expansion of cities in recent years has led to an increase in uncontrolled construction around historic buildings and as a result has caused problems such as moisture leakage into the foundations of historic buildings. Isfahan province with more historic buildings It is the first city in 400 years that the sewerage network has been implemented. In recent years, some of these works have been exposed to moisture from old and dilapidated facilities. Therefore, overcoming this problem requires designing a spatial model based on smart technology in the operation of municipal sewage network.
Methodology: This model was designed based on the combination of Analytic Hierarchy Process (AHP) and Geographic Information System (GIS) based on Getis ord GI* index. After combining the results of this combination with statistical analysis, using non-parametric Kendall and Spearman tests, wastewater accidents and their probability of occurrence in the context of historical regions were evaluated.
Findings: This model is capable of evaluating previous sewage accidents and predicting the possibility of future accidents in the historical regions of the cities. Such a model has an empirical nature and as a result can be updated in the event of any accident in the future. The combination of Analytical hierarchy process and Getis ord Gi* index  is a special feature of this research.
Conclusion: In the study area, soil type, inappropriate infrastructure, worn sewer pipes,small diameter pipes and population density were identified as the most important causes of accidents in the sewerage network.
Keywords: Spatial model, Sewerage network, Geographic information system, historical context, Getis ord Gi* index
Article Type: Original Research | Subject: Urban Planning
Received: 2020/12/9 | Accepted: 2021/02/20 | Published: 2021/03/26
* Corresponding Author Address: Faculty of Civil, water and environmental engineering, Shahid Beheshti University , Tehran,Iran
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Katiraei F, Gharagozlou A, Alesheikh A A, Hemmasi A. A spatial model for assessing the urban sewage network accidents in cities with historical context(A case study about Isfahan). GeoRes. 2021; 36 (2)
URL: http://georesearch.ir/article-1-1047-en.html

Volume 36, Issue 2 (2021) Back to browse issues page
فصلنامه تحقیقات جغرافیایی Geographical Researches Quarterly Journal
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