Research Paper
farzad mahmoudian; Vahid Riahi
Abstract
The most basic form of studying the stability of nomadic systems in the new structure of the network society is the way of their spatial interactions. In this direction, regional planning and dynamic networks with the analysis of the indicators of spatial flows in the form of categorization under the ...
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The most basic form of studying the stability of nomadic systems in the new structure of the network society is the way of their spatial interactions. In this direction, regional planning and dynamic networks with the analysis of the indicators of spatial flows in the form of categorization under the conceptual relationships of the elements of spatial social networks will lead to the sustainability of the productive group activity of nomadic activists in the ecosystem pairs. . The current research is based on the applied purpose and descriptive analytical research method. The required data has been obtained by documentary method. The study area of Shurab Tengzai district and the statistical population are the summer and Qashlagi systems of the Babadi tribe bio-ecosystem. Weighting of the research indicators was done using the F'ANP model process and data analysis was done using the VIKOR multi-criteria decision making method. Cluster analysis method and ARC GIS software were used to classify the studied systems in terms of stability levels, and linear regression was used to analyze the factors affecting stability. The results of the research showed that out of 65 studied systems, ten systems are at the level of "relatively" stable interactions inside and outside the realm of the ecosystem in terms of access and availability of facilities (mobile education, fuel, electricity, internet network, road network), natural resources and artificially, 15 systems are in the category of low stability interactions, and 40 systems are in the category of unstable interactions.
Research Paper
Fatemeh Sheikhzadeh; Jamileh Tavakolinia; Mohsen Shaterian
Abstract
The Iranian-Islamic city, like many cities in the world, has undergone adverse changes in dealing with modernity, including urban sprawl and its effects. At the end of the 20th century, intensive urban growth was proposed as an alternative development model to dispersion, which is also one of the proposed ...
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The Iranian-Islamic city, like many cities in the world, has undergone adverse changes in dealing with modernity, including urban sprawl and its effects. At the end of the 20th century, intensive urban growth was proposed as an alternative development model to dispersion, which is also one of the proposed strategies to improve the livability of cities. This research aims to identify and compare the components of the Iranian-Islamic city growth pattern in the past and contemporary period with the compact growth pattern of the city. So that its components can be used to increase the livability of Kashan city. The research data were collected using library and documentary studies and analyzed by content analysis method with inductive approach using Atlas.Ti qualitative analysis software. The findings show that the researchers believe that high density components, mixed use, encouraging walking and cycling, efficient public transportation, and the regeneration and revitalization of urban centers play a more colorful role in creating a compact city. In old Kashan, 24 of the 26 components examined (having a clear border, more social interaction, mixed society, preservation of agricultural land, mixed use, amenities and public facilities with appropriate productivity, encouraging walking and high density) are in accordance with the characteristics of the city's dense growth. Also, the analysis of the findings shows the contrast between the modern city of Kashan and the old Kashan in terms of growth pattern, except for some cases related to the old context.
Research Paper
Saeed Zanganeh Shahraki; Keramatollah Ziari; Seyed Ali Hosseini; Mohammad Sina Shahsavari
Abstract
The significant increase in urbanization along with excessive population density and activity in cities and its growing trend in terms of functional and physical diversity has increased the importance of the issue of urban vulnerability against natural hazards such as floods. Using 54 key indicators ...
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The significant increase in urbanization along with excessive population density and activity in cities and its growing trend in terms of functional and physical diversity has increased the importance of the issue of urban vulnerability against natural hazards such as floods. Using 54 key indicators in the framework of the MOVE model, this research has determined the level of social-physical vulnerability in the areas of Tehran. Then the results are spatially analyzed and the degree of vulnerability of each dimension as well as the final index has been determined. MOVE and GWR models have been used in this research. The results showed that in the final index, the southwest and northeast neighborhoods of Tehran had the most unfavorable conditions, and on the contrary, the central areas of Tehran had the most suitable conditions. Regions 18, 19, 20 and 4 had the most neighborhoods with medium to very high vulnerability status. Also, the neighborhoods located in regions 8, 6, 10 and 7 had the best conditions, respectively. Also, the results of the geographically weighted regression model showed that the sub-indicator of exposure had the most impact, and the sub-indicators of lack of resilience and susceptibility were placed in the next ranks, respectively. In the meantime, according to the R2 coefficient that is close to the average in total for all sub-indices, it can be said that the final index obtained had a great impact on the high vulnerability of the residents of the studied neighborhoods.
Research Paper
Mohammad Marzbanrad; MohammadHasan Talebian; Eskandar Mokhtari Taleghani
Abstract
Locality is a feature that shows dependence on a place. The principles of attitude towards the place and location of any building are related to four characteristics, including figure and image, order, identity and memory, which originate from mental-internal and physical-external impressions. Emphasizing ...
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Locality is a feature that shows dependence on a place. The principles of attitude towards the place and location of any building are related to four characteristics, including figure and image, order, identity and memory, which originate from mental-internal and physical-external impressions. Emphasizing the phenomenological approach, the current research seeks to reread the principles of location in historical buildings and find the relationship between physical and perceptual factors with the attitude of place in buildings, which was carried out using a mixed (qualitative-quantitative) research method. The statistical population of the research includes 1- historical monuments and 2- experts, thinkers and specialists. The statistical sample of the first group includes two historical buildings in Tehran (Sahibqraniyeh Palace) and (Firdous Garden) and the second group includes 20 experts, thinkers and experts who are experienced and knowledgeable about the subject of the research. Analysis of documentary data and field observations has been done using SPSS software. The physical indicators obtained from the theoretical findings include "materials", "form and proportions", "color", "lighting" and "natural elements", which were prioritized based on a survey among the statistical community through AHP test and using Expert Choice software. The results of the measurement of the indicators studied in the two historical monuments of Sahibqraniyeh Palace and Ferdous Garden show that there is no significant relationship between any of these indicators, and among the physical indicators, the index of "natural elements (plants and water)" has the highest percentage of influence on the perception of the building. The results of this research show that the principle of identity through physical indicators in buildings such as form and proportions, lighting along with the principle of figure and image through physical indicators (materials, color and proportions) have caused audience perceptions of these buildings. Therefore, by restoring these two important principles, the placement of buildings can be improved.
Research Paper
Yeganeh Mosavi Jahromi; Jahangir Biabani; elnaz arzaghi
Abstract
In recent years, researchers have analyzed migration flows using several experimental methods. This research has considered economic factors (per capita GDP, unemployment rate, and poverty intensity) and environmental factors (drought index (CI)) affecting internal migration in 31 provinces of Iran during ...
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In recent years, researchers have analyzed migration flows using several experimental methods. This research has considered economic factors (per capita GDP, unemployment rate, and poverty intensity) and environmental factors (drought index (CI)) affecting internal migration in 31 provinces of Iran during 2011-2016. The results of descriptive statistics are displayed in the ArcMap software. Moreover, considering that the location dimension has been confirmed in statistical data on internal migration and explanatory variables based on Moran's I test and in spatial models according to rho and lambda statistics, after testing different spatial models, the SEM spatial model was chosen to examine the research model. For this purpose, GeoDa and Stata software were used. The results of the spatial regression of the cross-sectional data showed that the economic indicators of GDP per capita, unemployment, and poverty intensity have a statistically significant effect on net migration in the provinces of the country. Unemployment and poverty have a negative effect, and income (gross domestic product per capita) positively affects net migration in the provinces. These results are consistent with the economic motives proposed in neoclassical theories and relative deprivation theory in internal migration. Additionally, increasing CI (avoidance of drought) as an environmental factor has positively and significantly affected net migration in the provinces. By combining this result with descriptive statistics, it can be stated that migration is one of several potential strategies for households to deal with environmental changes (drought).
Research Paper
Mohammad Bafghizadeh
Abstract
The main purpose of the current research is to measure the comfort level of public primary schools in Karoun town based on Mahani and Gioni bioclimatic index. In this research, the meteorological data of temperature, precipitation, humidity and prevailing wind in a period of 30 years (1988-2018) have ...
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The main purpose of the current research is to measure the comfort level of public primary schools in Karoun town based on Mahani and Gioni bioclimatic index. In this research, the meteorological data of temperature, precipitation, humidity and prevailing wind in a period of 30 years (1988-2018) have been used. The graphs are drawn with Climate Consultant and Excel software, and the maps are drawn with ArcGIS software. The results of the monthly index tables show that from June to August (3 months), the A1 dry index conditions prevail, which indicates the high fluctuation of daytime heat (more than 10 degrees Celsius) and low relative humidity, which causes discomfort. To solve this problem, it is suggested that materials with medium to high heat capacity should be used in the design of buildings. On the other hand, in the months of June to August (3 months), the A2 dry index prevails, which indicates warm or moderate nights with relatively low humidity in the environment. For the months of December, January and February (3 months), the A3 dry index prevails, which indicates cold climatic conditions in the region. To deal with these conditions, it is necessary to use energy to heat the interior spaces of buildings. Of course, the studied area does not fall under the conditions of H1, H2 and H3 humid conditions in any of the months of the year. Also, according to the results of Giuni's method, in three months of the year (June, July and August) the changes in air thermal conditions is completely out of comfort zone. In September, the weather is comfortable only for a short period of time (midnight to before sunrise). The final control of the building's air, especially during the hottest hours of the day in the months of May to August, is only possible by using air conditioners. According to the studies carried out and their compliance with the school construction standards of the country and taking into account the climatic conditions of the region, the results show that the necessary standards for the construction of schools in the study area and taking into account the climatic conditions of the region are not considered and all the studied schools do not have the necessary standards.
Research Paper
Mohammad Amanzadegan; Yaghowb Peyvastehgar; Ali Akbar Heidari; Razieh Malekhosseini
Abstract
Building Information Modeling (BIM) has revolutionized the construction industry by improving efficiency and simplifying building project methods. Integrating BIM with digital systems such as artificial intelligence (AI) removes barriers and makes the project life cycle more productive and beneficial. ...
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Building Information Modeling (BIM) has revolutionized the construction industry by improving efficiency and simplifying building project methods. Integrating BIM with digital systems such as artificial intelligence (AI) removes barriers and makes the project life cycle more productive and beneficial. The benefits of BIM and AI go beyond 3D modeling and building plans. They manage and control the entire construction project life cycle from start to the end. The aim of the current research is to provide a comprehensive understanding of the process of AI-BIM integration, which has been carried out by various researchers around the world. To achieve this goal, 380 articles published in 2015-2021 have been systematically analyzed through Scopus reference database. This research presents a systematic review of qualitative research to identify the characteristics of BIM, AI, their integration and implementation in construction. It also provides future research trends and insights and emphasizes interoperability in BIM. On the other hand, it reinforces the need for future research to focus on the interoperability of artificial intelligence and other intelligent systems in BIM to foster integrated science based on digitalization and information and communication technology. Finally, it also highlights the extension of the findings during the life cycle of the building construction project. The research results show that the integration of artificial intelligence and BIM has the capacity to change the construction industry. Because it has the ability to significantly reduce errors, to save time and resources (human resources and construction materials), to increase productivity and to adapt the map based on the user's needs through controller modules, database and machine learning according to building regulations. This research also identifies some of the challenges hindering the integration of AI and BIM, such as the lack of interoperability standards, data privacy concerns, and insufficient training for professionals.
Research Paper
Asmae Kiekha; Seyed Hadi Tayebnia
Abstract
The present study was conducted with the aim of analyzing the status of sustainable housing indicators in rural areas and its effects on rural development in Mohammadabad rural district of Hamoun township. The research method is descriptive-analytical, which was done with a survey approach. The statistical ...
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The present study was conducted with the aim of analyzing the status of sustainable housing indicators in rural areas and its effects on rural development in Mohammadabad rural district of Hamoun township. The research method is descriptive-analytical, which was done with a survey approach. The statistical population includes two parts; villages and a family. For determining the number of sample villages, the personal estimation method was used to select ten sample villages. To select the 350 sample households the Cochran formula was applied. We also used questionnaire. In order to determine the reliability of the questionnaires, the Cronbach's alpha coefficient for the four sections of the questionnaire including (physical sustainability, social sustainability, economic sustainability and rural development) was obtained as 0/77, 0/84, 0/75 and %0/71, respectively, which indicates the appropriateness of the research tool. The findings showed that the average social dimension is 2/84, economic dimension is 2/28 and physical dimension is 2/46. As a result, sustainable housing indicators are in an unstable situation. The results of the sample t-test showed that the stability indicators of rural housing in three social, economic and physical dimensions are in an unstable state. The economic stability index is more unstable than other dimensions with a rate of (-25/82). Also, the results of regression coefficients test results from fitting the model for physical sustainability indicators (0/274), economic sustainability indicators (0/321) and social sustainability indicators (0/344) showed that the relationship between these indicators and rural development is positive and significant.
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