Resistance Factors and Relationships for Measurements in Fluvial Rivers

충적하천 실측자료의 저항계수와 관계식

  • 이종석 (한밭대학교 토목공학과) ;
  • Received : 2012.04.23
  • Accepted : 2012.06.20
  • Published : 2012.07.28


This study is used to analyze the distribution of resistance factors and the relationships of flow resistance with the field measurements which consist of the total 2,604 rivers for 1,865 bed material in natural channels and 739 vegetation in vegetated channels. Resistance factor relationships and distribution range of Manning roughness coefficients and Darcy-Weisbach friction coefficients by the regression analysis are derived from the power law form as a function of flow discharge and friction slope with bed materials and vegetations in natural and vegetated rivers, respectively.


Fluvial Rivers;Measurements;Regression Analysis;Power Law Form;Darcy-Weisbach Friction Factor


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