Triangular Blankets Reduce Earthdam Seepageby Dalim K. Majumdar, (M.ASCE), Partner; Soils Analysis & Foundation Engrg. Co.; and Soils Engrg. Consultant to The M & T Co., Philadelphia, PA,
Serial Information: Journal of the Soil Mechanics and Foundations Division, 1970, Vol. 96, Issue 6, Pg. 2191-2196
Document Type: Journal Paper
When an earthdam is constructed on a previous foundation, control of seepage through the foundation is of critical importance from the standpoint of structural stability and water storage. There have been many proposed solutions to the engineering problems presented in the use of blankets. An attempt was made by Bennett to use a triangular blanket on the upstream side, in that such an arrangement would offer greater resistance and would be more efficient than a uniformly thick blanket. However, the mathematical tools used in this attempt were insufficient to solve the problems encountered. A better mathematical approach was required, and it is the purpose of this note to present such an approach.
Subject Headings: Seepage | Earthfill dams | Foundations | Mathematics | Water storage | Structural control | Structural stability | Rivers and streams
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