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        1 - Environmental Impact Assessment of Steel Plant Construction
        هانیه میربلوکی niloofar Abedinzade fatemeh ghanbari
        Today, steel production and consumption is applied as an important criterion for measuring the degree of countries industrial development. Needing to investment in construction and economic infrastructure in developing countries, their steel production policy is in the More
        Today, steel production and consumption is applied as an important criterion for measuring the degree of countries industrial development. Needing to investment in construction and economic infrastructure in developing countries, their steel production policy is in the direction of producing the various types of structural steel. In this regard, the main object of the studied steel plant construction is creating jobs in the region, reducing imports and contributing to the country's economic development through carbon ingot production with electric arc furnace technology. After assigning the direct study area of the project, the major contaminants arising from the project implementation were investigated in construction and implementation phases and the corrective actions considered to reduce the contaminants effects. In this research, Rapid Assessment method was used for environmental impact assesment that according to the results, among 96 detected impacts, 55.1 percent of the impacts are negative and 44.9 percent are positive that in case of observing the corrective actions before and after the project implementation, its negative impacts will be minimized. Also, it is recommended that after the plant costruction, apply a periodic monitoring of the outlet contaminants every three months. Manuscript profile
      • Open Access Article

        2 - Assessment and Environmental Impact Analysis of the Urban Streets using Multi-Criteria Decision Making Model (Case Study: 58-meter street of Arak)
        maryam hosseinkhani amir ansari amir Hedayati Agmashhadi
        The purpose of this research is assessing and planning the urban streets of Arak city. In this research, environmental impacts were assessed by using these three methods: Multi-criteria like rapid matrix, ANP and fuzzy TOPSIS that both of them are decision-making method More
        The purpose of this research is assessing and planning the urban streets of Arak city. In this research, environmental impacts were assessed by using these three methods: Multi-criteria like rapid matrix, ANP and fuzzy TOPSIS that both of them are decision-making methods. The process that has been followed in this study includes, determining the indicators, (using library studies), specifying geographic area, introducing the options, studying the environmental basic conditions, indicating and predicting and impacts, assessing the impacts using the three mentioned methods and providing the report. In the following, the status of the environmental factors was investigated. Then, the most important factors that might be affected by 58-meter street construction were identified using checklist, and were selected as the criteria for impact assessment. Then environmental impact assessment was separately fulfilled by using three methods like rapid assessment (matrix), fuzzy TOPSIS and ANP. Due to the the more negative impacts relatively to the positive impacts in the rapid matrix method, the project was rejected. In both fuzzy TOPSIS and ANP methods the non-execution option has the most weight and preference. But among these methods, the ANP method is introduced as a suitable method for environment impacts assessment in different projects because of its ability to create a network with interaction between criteria and options at different levels and directions. Manuscript profile