Flood Load Coefficient Calculator

as per AS 5100.2:2017 Bridge Design Part 2: Design Loads

Vertical distance from the girder soffit to the water table	dwgs	=		m	(Clause 16.5.2)
Depth from the top of upstream barrier to the girder soffit	dsp	=		m	(Clause 16.5.2)
Depth from the top of upstream kerb to the girder soffit	dss	=		m	(Clause 16.5.2)
Average distance from the girder soffit to the river bed	ygs	=		m	(Clause 16.5.2)
Velocity of water flow	V	=		m/s	(Figure 16.6.4(A))
Average flow depth	y	=		m	(Figure 16.6.4(A))

Relative Submergence	Sr	=	dwgs/dsp	=		(Equation 16.5.2(2))
Proximity Ratio	Pr	=	ygs/dss	=		(Equation 16.5.2(3))
Parameter			V2y	=		(Figure 16.6.4(A))
Parameter	F	=	V(gy)-0.5	=		(Figure 16.6.4(B))
Flow Drag Coefficient	Cd,flow			=		(Figure 16.5.2(A))
Upward Lift Coefficient	CL+			=		(Figure 16.5.3)
Downward Lift Coefficient	CL-			=		(Figure 16.5.3)
Moment Coefficient	Cm			=		(Figure 16.5.4)
Debris Drag Coefficient on Pier	Cd,debrissub			=		(Figure 16.6.4(A))
Debris Drag Coefficient on Superstructure	Cd,debrissup			=		(Figure 16.6.4(B))