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http://dx.doi.org/10.3741/JKWRA.2012.45.6.583

A Suggestion of Formulae to Calculate Sectional Tractive Force on the Slope of Cohesive River Bank and its Application  

Han, Man-Shin (International Center for Urban Water Hydroinformatics Research & Innovation)
Choi, Gye-Woon (Dept. of Civil and Environmental Engineering, College of Urban Science, University of Incheon)
Publication Information
Journal of Korea Water Resources Association / v.45, no.6, 2012 , pp. 583-596 More about this Journal
Abstract
The revetment is a installed structure on the slope of river bank to protect against flowing. Through the design standards of domestic and overseas, the maximum tractive force is calculated and applied to the average concept on the slope of river bank. In the case of calculating the method of permissible tractive force on the slope of river bank, there is a need to consider soil sliding. In this study, suggested the tractive force formulae by section of adhesion that have 0 < ${\Phi}$ < $90^{\circ}$ slope of river bank and installed an open channel of length of 20 m and 2 m wide for calculating permissible tractive force and hydraulic model experimented with changing discharge. According to the results, the calculated permissible tractive force of section on the slope is the largest due to the significant effects of surface roughness of different revetment materials. In addition, the permissible tractive force increased in the presence of vegetation but has no the effect by vegetation density.
Keywords
slope of river bank; revetment; tractive force; vegetation;
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