セルラーブロックを用いた新たな防波堤整備工法の開発と現地への適用

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タイトル別名
  • Development of New Breakwater Construction Methods with Cellular Blocks
  • セルラーブロック オ モチイタ アラタ ナ ボウハテイ セイビ コウホウ ノ カイハツ ト ゲンチ エ ノ テキヨウ

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説明

Most breakwaters in Japan are caisson breakwaters. However, the lower is the number of caissons constructed in a year, the higher is the construction cost per caisson, because the cost of floating dock operation is fixed, irrespective of caisson number. Therefore, a construction method was developed in which breakwaters are constructed not of caissons but of connecting cellular blocks. This paper proposes a design method for connecting cellular blocks and examines wave force characteristics in the construction stage by using hydraulic model tests. It was found that the proposed construction method could cut the project cost by 15% and could cut the project duration by 3 years at the Port of Setana.

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