بررسی گزینه های طراحی پل اضطراری با استفاده از فرایند تحلیل شبکه ای (ANP)
|کد مقاله||سال انتشار||مقاله انگلیسی||ترجمه فارسی||تعداد کلمات|
|6016||2007||6 صفحه PDF||سفارش دهید||3479 کلمه|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Systems Engineering - Theory & Practice, Volume 27, Issue 3, March 2007, Pages 63–70
The article introduces the basic process that uses analytic network process (ANP) to design alternative evaluation of emergency bridge. ANP is a better evaluation method for bridge designs and is now widely used in decision making with dependence and feedback. ANP considers all factors, estimates the relative influence from the factors, values factors with ratio scales from 1 to 9, makes pairwise comparisons on factors, and synthesizes to obtain overall results. An ANP case is conveniently computed by super decisions ANP software. The computed results show that the ANP is suitable for evaluating the design alternatives for emergency bridges.
Due to the considerable development of traffic projects,more and more bridges are built in China, and the lengthof those bridges is becoming increasingly more. To ensurerapidness in bridge building and to ensure the qualityof bridges, before a bridge is built, the most important taskis to erect a temporary bridge (or emergency bridge) beforeconstruction. For example, Figure 1 shows the temporarybridge for constructing Hangzhou Bay Bridge. To ensure thesafety of the temporary bridge during construction and to reducethe cost of input, the bridge proprietor often considersthe emergency bridge as the construction convenience bridge and organizes the bridge experts to make a comprehensiveevaluation of the alternative bridge designs of the emergencybridge[1−2]. The overall performance of the emergency bridge depends on a multiobjective and semistructuredproblem. There is relative dependence between theproperty index such as safety and economy. If the economyis higher, then the safety is reduced. If the safety is higher,then the cost effectiveness is reduced. For these reasons, thisarticle considers the analytic network process (ANP)[3−4]that is based on dependence and feedback to evaluate thealternative bridge designs of the emergency bridge. AmericanProfessor Thomas L. Saaty developed a decision sciencemethod—analytic network process, which can suit the comprehensivestructure. Specifically, this method considers the relative influence and the feedback from the factors, valuesthe factors with ratio scales from 1 to 9, makes pairwise comparisonson factors, and synthesizes to obtain overall results.
نتیجه گیری انگلیسی
The evaluation of the design alternatives of the emergencybridge is a frequent and important decision-makingresult. Whether the chosen evaluation model is scientificallyreasonable or not, it directly influences the reasonableness ofthe decision-making result. For a complex decision-making challenge, because many factors have the dependence andthe feedback relations, we suggest that the ANP is suitableto evaluate the design alternatives for emergency bridges.