To provide a banking method capable of extending a harbor facility by making use of a large floating body structure.SOLUTION: A banking method to extend a harbor facility comprises: a process to produce riprap and crushed stone by crushing a mass formed by solidifying mortar; a process to establish an impact resistant banking by heaping the riprap on the sea bottom on a revetment side of the harbor facility; a process to establish a grounding mound by laying out the riprap on the sea bottom surface; a process to position a floating body structure at a grounding position by towing the floating body structure above the grounding mound; a process to tentatively ground the floating body structure at the grounding position by injecting sea water as ballast water into the floating body structure; a process to drain the ballast water inside the floating body structure; a process to ground the floating body structure on the grounding mound by charging an infilling mortar into the floating body structure from which the ballast water is drained; and a process to establish a banking of crushed stone on the floating body structure.SELECTED DRAWING: Figure 13
【課題】大型浮体構造物を利用して港湾設備を増築することができる築堤方法を提供する。【解決手段】港湾設備を増築するための築堤方法であって、モルタルを固化させた塊を破砕して捨石及び砕石を生成する工程と、捨石を港湾設備の護岸側の海底に盛って防衝盛土を造成する工程と、捨石を海底の表面に敷き詰めて着底マウンドを造成する工程と、着底マウンドの上方に浮体構造物を曳航して着底位置に位置決めする工程と、浮体構造物の内部に海水をバラスト水として注水して着底位置に仮着底させる工程と、浮体構造物の内部のバラスト水を排出する工程と、バラスト水が排出された浮体構造物の内部に充填用モルタルを充填して着底マウンドの上部に浮体構造物を着底させる工程と、浮体構造物の上部に砕石で盛土を造成する工程と、を備える、築堤方法である。【選択図】図13
BANKING METHOD
築堤方法
2020-09-24
Patent
Elektronische Ressource
Japanisch
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