Insights into the origin and characteristics of the sedimentation process at multi-barrel culverts in Iowa : technical transfer summary.
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Insights into the origin and characteristics of the sedimentation process at multi-barrel culverts in Iowa : technical transfer summary.

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  • Alternative Title:
    Insights into the origin and characteristics of the sedimentation process at multi-barrel culverts in Iowa : technical brief;Insights into the origin and characteristics of the sedimentation process at multi_barrel culverts in Iowa : technical transfer summary;Insights into the origin and characteristics of the sedimentation process at multi_barrel culverts in Iowa : technical brief;TR-596 insights into the design and characteristics of the sedimentation process at multi-barrel culverts in Iowa : technical transfer summary;TR-596 insights into the design and characteristics of the sedimentation process at multi-barrel culverts in Iowa : technical brief;
  • Creators:
    Muste, Marian
  • Corporate Creators:
    Iowa Institute of Hydraulic Research
  • Corporate Contributors:
  • Subject/TRT Terms:
  • Publication/ Report Number:
    IHRB Project TR-596
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Iowa
  • Edition:
    Technical transfer summary.
  • Corporate Publisher:
    University of Iowa. IIHR Hydroscience and Engineering
  • Abstract:
    The present study is an integral part of a

    broader study focused on the design and

    implementation of self-cleaning culverts, i.e.,

    configurations that prevent the formation of

    sediment deposits after culvert construction or

    cleaning. Sediment deposition at culverts is

    influenced by many factors, including the size

    and characteristics of material of which the

    channel is composed, the hydraulic

    characteristics generated under different

    hydrology events, the culvert geometry

    design, channel transition design, and the

    vegetation around the channel. The multitude

    of combinations produced by this set of

    variables makes the investigation of practical

    situations a complex undertaking.

    In addition to the considerations above, the

    field and analytical observations have revealed

    complexities of the flow and sediment

    transport through culverts that further

    increase the dimensions of the investigation.

    The flow complexities investigated in this

    study entail: flow non-uniformity in the areas

    of transition to and from the culvert, flow

    unsteadiness due to the flood wave

    propagation through the channel, and the

    asynchronous correlation between the flow

    and sediment hydrographs resulting from

    storm events. To date, the literature contains

    no systematic studies on sediment transport

    through multi-box culverts or investigations

    on the adverse effects of sediment deposition.

    Similarly, there is limited knowledge about

    the non-uniform, unsteady sediment transport

    in channels of variable geometry.

    Furthermore, there are few readily useable

    (inexpensive and practical) numerical models

    that can reliably simulate flow and sediment

    transport in such complex situations.

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