Model Studies of Storm-Sewer Drop Shafts
1961-12
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Model Studies of Storm-Sewer Drop Shafts
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1961-12
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St. Anthony Falls Hydraulic Laboratory
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Working Paper
Abstract
A long-range program of storm-sewer construction prompted the Department
of Public Works of the City of St. Paul, Minnesota, to develop an
improved design for high-head drop shafts. Past designs required frequent inspection and maintenance at the base of the shaft to prevent failure of the structure. Preliminary model tests indicated that destructive forces of the falling water were primarily responsible for the damage to the base of the shaft. An experimental study led to the development of an impact-type of
energy dissipator which removed excess energy from the flow and created stable
outflow conditions, with a minimum air entrainment.
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Department of Public Works City of St. Paul
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Anderson, Sigurn H.. (1961). Model Studies of Storm-Sewer Drop Shafts. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/108047.
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