名古屋堀川のヘドロ堆積状況調査

概要

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The administration comes up with policies such as "My town my River maintenance project" and "Clear stream Renaissance II" as a purification activity of Horikawa River now. Nagoya City is working on the dredge work of the sludge sediment in Horikawa River. However, it is feared that sludge sediment rolls, and depraves water quality of Horikawa River in the dredge work. In this research, the method of work without depraving the water quality in making sludge sediment subside by adding flocculant is examined. It is necessary to investigate which place of Horikawa River a lot of sludge sediments exists to remove Horikawa River's sludge sediment efficiently. Then, the method of presuming the piling up situation of sludge sediment based on difference of strength of it was proposed, and the effectiveness of this method was verified by thein-situ investigation.
大同工業大学の論文