NIRE Research Topics (Old name: Research and Result Information)
NIRE Research Topics (Research and Result Information)
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Estimating Unsaturated Hydraulic Parameters for Underdrain Filter Materials
*Hideki ImuraTakeshi TanimotoSinsaku Fujimori
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 37-38

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Abstract
Simple laboratory permeability test equipment was developed to determine unsaturated hydraulic parameters for filter materials of underdrain. Inverse analysis of the test result determines unsaturated hydraulic parameters for filter materials at the good accuracy, thereby allowing water transfer analysis around the underdrain pipes other than those in saturated condition.
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© 2001 by National Institute for Rural Engineering
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