پديد آورندگان :
آزادخاني، پاكزاد دانشگاه باختر ايلام - گروه معماري و برنامه‌ريزي شهري، ايلام، ايران , حسين زاده، جعفر دانشگاه ايلام - دانشكده كشاورزي - گروه علوم جنگل، ايران , جيدري، زهره دانشگاه باختر ايلام، ايلام، ايران
كليدواژه :
توسعه ميان‌افزا , زمين شهري , كاربري شهري , شهر ايلام
چكيده لاتين :
Introduction The infill development, which is the main part of the smart urban growth pattern, includes practical strategies for preventing body developments of cities in undeveloped pieces of lands around the cities and vacant unused pieces of lands inside the urban areas. This approach can help the renewal of urban life (the agency of environment conservation, 1999:2). Ilam City is one of the cities which has been developing in recent years because of the increase in population and in land uses in terms of the urban body. This city can use recyclable surfaces which have a good opportunity for solving lack of services and existing problems. To fulfill this goal, the conditions of Ilam City need to be clearly observed. In Ilam City, there is some tissue which is worth considering in relation to infill developments for instance in northern and central areas of Ilam City including the areas around Shohada Square, Khayyam Street, Saadi Street, Ferdowsi Street and Ayyatollah Heydari Street, poor tissue and unused land uses are more seen whereas in other parts of the city especially in Sothern parts, open spaces and vacant pieces of lands are more seen between land uses which can be investigated in this research. The horizontal development in Ilam City has recently been accelerating towards the surrounding pieces of lands while we can present strategies to control and organize the scattering of the city by scientific studies and using the urban planning. So, the main questions of the research are if there are any proper arenas for the infill developments in Ilam City, using what criteria and indexes, we can determine potential arenas for the infill developments in Ilam City and to what extent, determining proper arenas for the infill developments in Ilam City can influence developing and managing the poor inefficient tissue. In this study, we attempt to find good solutions for these questions considering the present rules and criteria.
Methodology The method of the study is analytical-descriptive and it is an applied research. The data was gathered by the survey and from the libraries and the data of statistic population was gathered by interviews and questionnaires. The population includes the specialists and experts of urban management that 20 of them were chosen as the sample by Convenience Sampling Method and were asked to complete the questionnaires carefully. As the subject of the research is place-based, providing a thorough information bank about the places is highly required. In order to do this, after investigating, needs assessment and defining the criteria of the conceptual, logical and physical models, a database was made in the ArcCatalog application from the software package of ArcGIS 10.2. Finally, the best place was identified by the comments of the experts, Expert Choice Software and the technique of the analytic hierarchy process.
Results and Discussion Using the comments of the experts, theoretical foundations and literature review, the spatial-body criterion with the total weight of .408, the functional-managerial criterion with the total weight of .311 and the social-economic criterion with the total weight of .281 were determined. Moreover, all of the sub-criteria were classified based on the present standards in theoretical foundations and according to them, the next analyses were done and combined maps were made. The combined maps of GIS and the analytic hierarchy process showed that there are very highly potential arenas for the infill developments. These arenas are mostly located in central parts of the city which are old areas and have attracted most of the urban services. Therefore, the first hypothesis of the research was confirmed. Ilam City has been horizontally developed in an irregular way, agricultural fields have been destroyed and environmental problems have been occurred since there is lack of accurate efficient planning in terms of land use and as a result the lack of proper use of existing capacities and potential of the city and not following the correct pattern of population distribution in the suburbs. Hence, this condition needs to be reviewed and the infill development can be good strategy for solving present urban issues.
Conclusion The findings of GIS maps and the analytic hierarchy process (AHP) indicate that: Among 162 hectares of land pieces in Ilam City which are poor, ruined and without any uses, just 13 hectares were highly suitable and 38 hectares were suitable for infill developments and the rest lack the criteria for the mentioned purpose. These results are the same as the research results of Bani Hashemi et al (2013), Poormoosavi et al (2013), Mirkatooli et al (2013) and Dadashpoor et al (2013) in terms of determining proper arenas for the infill developments. Concerning the criteria and indexes, the results are partly similar. But, in relation to the amount of importance of each index, the findings of the present study do not match the results of other researches and the amount of importance depends on the case study and present conditions and situations. Ilam City has been horizontally developed in an irregular way, agricultural fields have been destroyed and environmental problems have been occurred since there is lack of accurate efficient planning in terms of land use and as a result the lack of proper use of existing capacities and potential of the city and not following the correct pattern of population distribution in the suburbs. Hence, this condition needs to be reviewed and the infill development can be good strategy for solving present urban issues. The results of this question are also the same as the research results of Bani Hashemi et al. (2013), Poormoosavi et al. (2014), Mirkatooli et al. (2014) and Dadashpoor et al. (2014) concerning the amount of importance and the necessity of infill developments.
