User's manual for BRI-STARS (BRIdge Stream Tube model for Alluvial River Simulation)
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User's manual for BRI-STARS (BRIdge Stream Tube model for Alluvial River Simulation)

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Details:

  • Corporate Creators:
    Turner-Fairbank Highway Research Center
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA-RD-98-000
  • Resource Type:
    Tech Report
  • Corporate Publisher:
    United States. Federal Highway Administration
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;
  • Abstract:
    There is a need for a generalized water and sediment-routing computer model for solving complicated river engineering problems with limited data and resources. This program should have the following capabilities: to compute hydraulic parameters for open channels with fixed as well as alluvial boundaries; to compute water surface profiles for subcritical, supercritical and combinations of both flows without interruption; to compute and simulate the hydraulic and sediment conditions in the longitudinal and lateral directions; to compute and simulate the change of alluvial channel profile and geometry regardless of whether the channel width is variable or fixed; to compute the alluvial channel changes in the presence of highway encroachments and/or other man-made or natural structures; to compute channel changes in the presence of heavily sediment-laden flows; to compute bank failures due to the sediment activity in the presence of severe erosion problems. Most of the sediment and water routing models, such as the HEC-6, were developed for solving simplified one-dimensional alluvial river problems. Although there are some truly two- or three-dimensional models, they require extensive amounts of computer time and data for calibration. Thus, truly two- or threedimensional models may not be desirable for solving engineering problems with limited data and resources.
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