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<br /> I <br /> ~ <br /> LIST OF SYMBOLS I <br />A = surface area I <br />A = cross-sectional area for the fluid entering the control volume <br /> 1 <br />A = cross-sectional area for the fluid leaving the control volume I <br /> . <br />A = normal cross-sectional area at the bridge crossing <br /> n. <br />A = projected area of a pier normal to the flow <br /> p I <br />A = area of a sediment particle <br /> s <br />a = acceleration or pier width or embankment length <br />a = thickness of the bed layer, the unmeasured zone of flow I <br />a = embankment length for relief bridge <br /> n <br />a = acceleration component normal to a streamline I <br /> n <br />a = embankment length for main bridge <br /> m <br />a = amplitude of wave I <br /> 0 <br />a = coefficient of width relationship <br />S, S' = dimensionless constants in Meyer-Peter, Muller equations -- <br />S = correction term in Einstein's Method <br /> x <br />b = bridge opening length <br /> s I <br />b = exponent of width relationship <br />C = sediment concentration I <br />C = Chezy coefficient <br />C = Chezy coefficient for steady uniform flow <br /> 0 I <br />C = constant for free vortex flow <br /> 1 <br />C = constant for forced vortex flow <br /> . I <br />Co = drag coefficient on a particle <br />Cf = concentration of fine material <br />C = overtopping discharge coefficient I <br /> r <br />CT = bed material sediment concentration <br />C = coefficient of shear I <br /> s <br />C = average suspended sediment concentration <br />c = wave celerity .1 <br />c = coefficient of the flow depth relationship <br />0 = culvert diameter or sediment size I <br /> xxx I <br />