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Title: Investigation of underseepage and its control by relief wells : Commerce and Trotters, Mississippi, Volume 1
Authors: United States. Mississippi River Commission.
U.S. Army Engineer Waterways Experiment Station.
Keywords: Relief wells
Mississippi River
Hydrostatic pressure
Seepage flow
Publisher: U.S. Army Engineer Waterways Experiment Station.
Engineer Research and Development Center (U.S.)
Description: Technical Memorandum
From the Introduction: The purposes of the studies made at the Commerce and Trotters sites were: (A.) To determine the surface and subsurface features in areas of heavy undarseepage. (B.) To determine the relationship, if any, between geological features and the occurrence of underseepage. (C.) To investigate by means of piezometers the distribution and amount of hydrostatic pressures in the pervious substratum. (D.) To estimate from piezometer data the effective source of underseepage and the rate of underseepage with and without relief walls in operation. (E.) To determine the effectiveness of relief wall systems for reducing substratum pressures and controlling underseepage. (F.) At Commerce, the wells were also installed so as to permit determination of the effectiveness of different degrees of screen penetration. (G.) To observe the influence of the riverside borrow pits on the location of the effective entrance of underseepage. (H.) To determine the gradient of seepage flow landward of the levee. (I.) To determine the maximum excess hydrostatic pressure which can exist landward of the levee.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Memorandum

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