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Artificial marine ridge has gotten the attention recently as a tool to increase fishery resources. Ridge requires thousands of cubic meters of materials; rocks or concrete blocks. In these projects, it should be appropriate to choose recycled materials for the sake of environmental conservation. However conventional cost evaluation method, which is only considering internal cost, has prevented from using those recycled.<BR>In this study, the comprehensive construction cost considering external cost is estimated and the estimation technique is examined in order to promote utilization of recycled materials. The comprehensive cost is estimated using four external cost counting methods about a virtual ridge development with three kinds of materials. AHP is utilized to integrate internal cost and several external costs. DEMATEL is applied to consider the wishes of inhabitants. The estimation using AHP resulted in correspondent to the wishes. It is suggested that this technique make it easy to reflect local feelings in the choice of material via cost.
- 公益社団法人 土木学会の論文
公益社団法人 土木学会 | 論文
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