File:The design of a hydro-electric plant at Ottawa, Illinois (1914) (14770576834).jpg

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Identifier: designofhydroele00burn (find matches)
Title: The design of a hydro-electric plant at Ottawa, Illinois
Year: 1914 (1910s)
Authors: Burnett, William
Subjects: Hydroelectric power plants Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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- waves and frost. The frost is the bi^g^st force and this vrill beallowed for by expansion joints. \Then the river stands at 33 feet the gate if v-ide open v;ill allowv/ater 10 feet deep to flov/ over the spillway. The following dimensionsgive the shape of the spillway such that the greatest amount of watercan be discharged over the spillv/ay in the shortest time. The curvev:hich any fallinr body takes when forced out in a horizontal plane and
Text Appearing After Image:
21. is acted upon by the fo^-ce of r-rnvity,forms a parabola. Tb.p equation of theoxiwe is, 2 ,,y = 4 ax ,or it is representee by the line CPT on plate ffoga The shane of the spillv-a- will fbllovr directly alon,?; this line since, thisgives just the friction of the concrete against rater,^nr lo-^s not allov;any air pockets to get bet.veen the dan and the water. Thia is very impor-tant f)r in sone former dam construction there was a great deal of troubledue to the v.-ashing away of the foundation of the dam and causing a completev/reck. This ivashing av:ay is due to the fact .that if the down stream sideis vertical ther. the water in falling over the spillvmy forms a suctionchamber between it and the dam,and the air pressure forces the water backagainst th-^ base,causing wear on this part. Plate26a will show the resultstaken fron thf^. practical design of the ogee dam which is the standard kindthe goverment installs. The vertical up stream side is rounded off at the top with aquarter

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https://www.flickr.com/photos/internetarchivebookimages/14770576834/

Author Burnett, William
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Flickr tags
InfoField
  • bookid:designofhydroele00burn
  • bookyear:1914
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Burnett__William
  • booksubject:Hydroelectric_power_plants
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:82
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
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29 July 2014
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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14770576834. It was reviewed on 27 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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