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Title: Development and testing of the Sediment Distribution Pipe (SDP) : a pragmatic tool for wetland nourishment
Authors: Welp, Timothy L.
Harris, Brian D.
McFall, Brian C.
Tyler, Zachary J.
Beardsley, Colton T.
Eckstein, Adrienne M.
Perkey, David W.
Henderson, Matthew R.
Freddo, Alexander J.
Smith, Hayden J.
Mohan, Ram K.
Keywords: Dredged material--Management
Dredging spoil--Management
Restoration ecology
Dredging Operations and Environmental Research Program (U.S.)
Publisher: Engineer Research and Development Center (U.S.)
Series/Report no.: Technical Report (Engineer Research and Development Center (U.S.)) ; no. ERDC/CHL TR-24-8
Abstract: Standard dredging operations during thin layer placement (TLP) projects are labor intensive as crews are necessary to periodically move the outfall location, which can have lasting adverse effects on the marsh surface. In an effort to increase efficiency during TLP, a novel Sediment Distribution Pipe (SDP) system was investigated. This system offers multiple discharge points along the pipeline to increase the sediment distribution while reducing pipeline movements. An SDP Modeling Application (SDPMA) was developed to assist in the design of SDP field applications by quickly assessing the pressure and velocity inside the discharge pipe and approximating the slurry throw distances. An SDP field proof of concept was performed during a two-phase TLP on Sturgeon Island, New Jersey, in 2020. The SDPMA was shown to be an accurate method of predicting performance of the SDP. The SDP was successful at distributing dredge material across the placement site; however, further research is warranted to better quantify performance metrics.
Description: Technical Report
Gov't Doc #: ERDC/CHL TR-24-8
Rights: Approved for Public Release; Distribution is Unlimited
Appears in Collections:Technical Report
Technical Report

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