Pier and Contraction Scour in Cohesive Soils (2004) / Chapter Skim
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From page 85... ...
Figure 10.5 shows the comparison between the complex pier scour depth calculated by the SRICOS-EFA Method and the measurements in the database. The equation used was the SRICOS equation for the maximum pier scour depth.
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From page 86... ...
Pr ed ic te d Sc o u r D ep th (m ) 0 2 4 6 8 0 2 4 6 8 Measured Scour Depth (m)
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From page 87... ...
Database was used to verify the uniform contraction scour equation Zunif, not Zmax. The SRICOS-EFA Method calls for a value of the critical velocity Vc measured in the EFA.
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From page 88... ...
Note that the comparison is only based on the maximum depth of scour values and does not involve the scour rate, which is the major difference between the current HEC-18 Method and the SRICOS-EFA Method. Overall, it was found that the performance of the SRICOS-EFA Method is similar to the HEC-18 Method except for the contraction scour depth where the SRICOS-EFA Method is much closer to the measurements.
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