CURRENT SITUATION AND PROSPECTS OF REFOMATION DESIGN FOR EXISTING PORT FACILITIES

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  • 事例分析に基づく既存港湾施設の改良設計の現状と課題

Abstract

 Reformation projects for existing protective and mooring facilities in harbors have recently shown rapid increase to meet new requirements due to changes in social and economic situations. Accordingly, it is required to setup a design framework that is not the same as those for a new construction, but there are no guidelines available how to execute facility reformation design.<br> In this paper, we collected 262 facility reformation projects nationwide in Japan and performed case analyses focusing on motivation and methods of reformation. As a result, we showed the current situations of existing port facility reformation that was urgently responded to the requests corresponding to the change in social situations. Also, we clarified typical problems during reformation design such as changes in verification methods from the originals and difficulty in structural performance evaluation of an existing structure. In addition, we showed the basic of the reformation design and the prospects to solve the problems for the reformation design of existing port facility.

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