Figure
13. Effective moment arm, Lp, versus downstream moment, My, at the time of the peak
downstream force, Fx, during each test .....................................................................
9
14. Ratio of transverse-to-downstream moments versus downstream moment, My, at the
time of peak transverse moment, Mx, during each test ..............................................
10
15. Topographic map of reach of Cazenovia Creek valley modeled for upstream effects
caused by the cylindrical-pier ICS .............................................................................
13
16. Volume of ice in the jam retained by the cylindrical-pier ICS as a function of river
discharge ....................................................................................................................
16
17. Open-water calibration of HEC-RAS model without ICS ...............................................
17
18. Open-water calibration of HEC-RAS model with ICS .....................................................
17
19. Comparison of WSE's measured in the physical model with HEC-RAS results near
the ICS .......................................................................................................................
18
20. Comparison of open-water profiles at the 100-year discharge with and without the ICS
18
21. Ice-jam profiles induced by the ICS at three discharge ....................................................
19
22. Maximum waterlevels expected upstream of the ICS ......................................................
20
TABLES
Table
1.
Froude scaling expressions between model and prototype ...............................................
6
2.
Summary of test conditions and results obtained .............................................................
7
3.
Structures within the Cazenovia Creek valley from the ICS to the Transit Road ............
12
4.
Transport loss coefficients for breakup ice jams ..............................................................
14
5.
Measurements of water temperature entering breakup ice jams ......................................
15
6.
Maximum waterlevels expected upstream of the ICS ......................................................
20
iv
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