risk management in tunnel construction using madm techniques
assessment of risks is a key task in the project management. in this process, risk breakdown structure (rbs) approach can be utilized to identify project relevant risks. in the previous classical method, only limited number of attributes is considered in the evaluation that can cause unreliable results. in this paper, an attempt has been made to introduce and involve a relatively comprehensive set of attributes for applying in multi attribute decision making (madm) techniques. using this model, the risks of tunneling construction in the seimareh dam project, located in south-west of iran, are assessed and ranked. for the collection of experts' judgments, group decision making method by conducting various decision panels was applied. also for the risk ranking, linear assignment (la), technique for order preference by similarity to ideal solution (topsis) and simple additive weighted (saw) methods were considered. final ranking of the risks was computed using integration methods. it was concluded that the risks economical factors and guarantee are the project most and least critical risks, respectively.
شبکه خود سازمانده پرکاربردترین شبکه عصبی برای انجام خوشه بندی و کوانتیزه نمودن برداری است. از زمان معرفی این شبکه تاکنون، از این روش در مسائل مختلف در حوزه های گوناگون استفاده و توسعه ها و بهبودهای متعددی برای آن ارائه شده است. شبکه خودسازمانده از تعدادی سلول برای تخمین تابع توزیع الگوهای ورودی در فضای چندبعدی استفاده می کند. احتمال وجود سلول مرده مشکلی اساسی در الگوریتم شبکه خودسازمانده به حسا...
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The financial and economic crisis has had an adverse impact on the Lithuania’s economy and construction industry. The GDP of Lithuania grew slightly in 2010, in contrast to a decrease of 14.7% in 2009. Lithuania’s GDP increased from 1.3% in 2010 to 4.6% in 2011. Annual GDP growth decreased from its highest point of 6.7%, reached in the third quarter, to 4.4% in the last quarter of 2011 [1,2]. S...متن کامل
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According to the nature of their activities, banks are exposed to various types of risks. Hence, risk management is at the heart of financial institutions management. In this study, we intend to summarize the information content of bank financial statements on diverse risks faced by banks and then determine how stock markets react to bank's risk management behavior. The methodology used in this...متن کامل
In recent years, intensive research and development have been done in the area of construction project risk management. Indeed, an efficient risk management is mandatory to project success. However, implementing such a management is complex because of the diversity and the dynamic nature of the risk. Moreover, each of the project stakeholders has his/her own risks, his/her own vision and his/he...متن کامل
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عنوان ژورنال:مدیریت صنعتی
جلد ۳، شماره ۷، صفحات ۹۹-۱۱۶