| Project/Area Number |
15560469
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Civil and environmental engineering
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| Research Institution | Nagaoka University of Technology |
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Principal Investigator |
FUJITA Shoichi Nagaoka University of Technology, Department of engineering, professor, 工学部, 教授 (30359707)
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| Co-Investigator(Kenkyū-buntansha) |
KOMATSU Toshiya Nagaoka University of Technology, Department of engineering, associate professor, 工学部, 助教授 (10234874)
HIMENO Shuji Nagaoka University of Technology, Department of engineering, reader, 工学部, 助手 (60334695)
姫野 修司 長岡技術科学大学, 工学部, 助手 (31150360)
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| Project Period (FY) |
2003 – 2005
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| Project Status |
Completed (Fiscal Year 2005)
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| Budget Amount *help |
¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 2005: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 2004: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 2003: ¥1,400,000 (Direct Cost: ¥1,400,000)
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| Keywords | CSO / continuous observation / first flush / pollution load / MOUSE / runoff coefficient / Storage tank / CSOの常時連続観測 / 年間越流量 / 年間汚濁負荷量 / 消雪パイプ / MOUSE(流出解析モデル) / キャリブレーション / CSO連続観測 / 貯留 / 流出解析モデル / 寒冷地域 |
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| Research Abstract |
Solution of combined sewer overflow (CSO) problem is getting serious, and the improvement works are pressing needs recently. In this study, to solve the CSO problem, an automatic sampler, flow meters, and a rain gauge were set up at the observation hut in the combined sewer system area in Nagaoka, and CSO of Kantomachi sewer outlet was continuously observed more than 20 months. In addition, stormwater runoff simulation was carried out using the MOUSE, one of the stormwater runoff simulation models. As a result, similar values as the measurement values were obtained by the simulation. Runoff behavior including runoff quality and quantity was illuminated through observation and calculation. The dimensioning of a storage tank to reduce the CSO pollution load by half was established.
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