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Resource Type |
ASDSO Conference Papers
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Title |
Seepage Models – Tips, Tools & Guidance (From an Engineer’s Perspective)
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Author/Presenter |
Heitland, JulieWilliams, JenniferWanninayake, Ajitha
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Organization/Agency |
Association of State Dam Safety Officials
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Publisher |
Association of State Dam Safety Officials
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Year |
2020
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Date |
September 21-25, 2020
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Event Name |
Dam Safety 2020 - 37th Annual Conference
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Event Location |
Virtual Conference
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ASDSO Session Title |
Expert Perspectives on Seepage Modeling
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Abstract/Additional Information |
How to develop an efficient model to achieve the desired objective, what are the minimum data needs for a reliable model, how much effort will the modeling take, how should the results be interpreted, how does one check and verify the results are reasonable, what if two-dimensional models cannot represent actual conditions—these are all questions engineers should be asking before jumping neck deep into a seepage model. Seepage models can be tweaked and adjusted based on very little data until the results look like what the modeler hoped they would, but “garbage-in, garbage-out” makes those models a waste of time. This paper provides tips, tools and guidance for developing an effective model with focus on some of the more challenging features to model in dam cross-sections, estimating and understanding soil parameters, and how to interpret, check, and verify results. This paper also provides examples of when progressively more advanced three-dimensional or transient seepage modeling is warranted.
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