SPECIFICATION METHOD OF COMBINED SEWER PIPES WITH HIGH SEDIMENT DEPOSITION FOR WET WEATHER POLLUTION ANALYSIS

• ITOI Yusuke

  東京大学大学院工学系研究科都市工学専攻

• FURUMAI Hiroaki

  三菱商事株式会社

• NAKAJIMA Fumiyuki

  東京大学先端科学技術研究センター

Bibliographic Information

Other Title

• 合流式下水道雨天時汚濁解析のための管路内堆積物局在状況の推定手法

Abstract

It is important to understand the location of combined sewer pipes with high deposits to reduce CSO pollutant load efficiently, because the sewer solids has a significant influence on the overflow pollutant load during the wet weather. In this study, field surveys were carried out to confirm which types of pipe structure have a tendency to accumulate deposits during the dry weather period. Most of the specified pipes with high deposits by a distributed model were under stagnant flow condition and had high deposits, although the amount of deposit was not verified. Therefore, the specification method of sewer pipe with high deposits was developed based on pipe network data and pollutant transportation calculation using the Ackers and White Equation. A simplified procedure to estimate the amount of deposition during the dry weather period was also proposed.

Journal

• ENVIRONMENTAL SYSTEMS RESEARCH

  ENVIRONMENTAL SYSTEMS RESEARCH 32 183-190, 2004

  Japan Society of Civil Engineers

Keywords

• combined sewer overflow
• distributed model
• runoff quality model
• sewer solids

Details

• CRID: 1390282679738771968
• NII Article ID: 130003948974
• DOI: 10.2208/proer.32.183
• ISSN: 18848125
• ISSN: 13459597
• ISSN: http://id.crossref.org/issn/13459597
• Text Lang: ja
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed