User:Jcreer/SMS:SRH-2D Culvert Table

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Add to SMS:SRH-2D_Structures#Culvert_Coefficients

Culvert Coefficients
Entrance Type Culvert inlet coeff option m(in) Kp M Cp Y
mitered Concrete – Circular – Headwall; square edge 0.7 0.3153 2 1.2804 0.67
mitered Concrete – Circular – Headwall; grooved edge 0.7 0.2509 2 0.9394 0.74
mitered Concrete – Circular – Projecting; grooved edge 0.7 0.1448 2 1.0198 0.69
mitered Cor metal – Circular – Headwall 0.7 0.2509 2 1.2192 0.69
mitered Cor metal – Circular – Mitered to slope 0.7 0.2112 1.33 1.4895 0.75
mitered Cor metal – Circular – Projecting 0.7 0.4593 1.5 1.779 0.54
mitered Concrete – Circular – Beveled ring; 45 deg bevels 0.7 0.1379 2.5 0.9651 0.74
mitered Concrete – Circular – Beveled ring; 33.75 deg bevels 0.7 0.1379 2.5 0.7817 0.83
mitered Concrete – Rectangular – Wingwalls; 30–75 deg flares; square edge 0.7 0.1475 1 1.2385 0.81
Concrete – Rectangular – Wingwalls; 90 and 15 deg flares; square edge 0.2242 0.75 1.2868 0.8
Concrete – Rectangular – Wingwalls; 0 deg flares; square edge 0.2242 0.75 1.3608 0.82
Concrete – Rectangular – Wingwalls; 45 deg flares; beveled edge 1.623 0.667 0.9941 0.8
Concrete – Rectangular – Wingwalls; 18–33.7 deg flare; beveled edge 1.5466 0.667 0.801 0.83
Concrete – Rectangular – Headwall; 3/4 in chamfers 1.6389 0.667 1.2064 0.79
Concrete – Rectangular – Headwall; 45 deg bevels 1.5752 0.667 1.0101 0.82
Concrete – Rectangular – Headwall; 33.7 deg bevels 1.5466 0.667 0.8107 0.865
Concrete – Rectangular – Headwall; 45 deg skew; 3/4 in chamfers 1.6611 0.667 1.2932 0.73
Concrete – Rectangular – Headwall; 30 deg skew; 3/4 in chamfers 1.6961 0.667 1.3672 0.705
Concrete – Rectangular – Headwall; 15 deg skew; 3/4 in chamfers 1.7343 0.667 1.4493 0.68
Concrete – Rectangular – Headwall; 10–45 deg skew; 45 deg bevels 1.5848 0.667 1.052 0.75
Concrete – Rectangular – Wingwalls; non-offset 45 deg flares; 3/4 in chamfers 1.5816 0.667 1.0906 0.803
Concrete – Rectangular – Wingwalls; non-offset 18.4 deg flares; 3/4 in chamfers 1.5689 0.667 1.1613 0.806
Concrete – Rectangular – Wingwalls; non-offset 18.4 deg flares; 30 deg skewed barrel 1.5752 0.667 1.2418 0.71
Concrete – Rectangular – Wingwalls; offset 45 deg flares; beveled top edge 1.5816 0.667 0.9715 0.835
Concrete – Rectangular – Wingwalls; offset 33.7 deg flares; beveled top edge 1.5752 0.667 0.8107 0.881
Concrete – Rectangular – Wingwalls; offset 18.4 deg flares; beveled top edge 1.5689 0.667 0.7303 0.887
Cor metal – Rectangular – Headwall 0.267 2 1.2192 0.69
Cor metal – Rectangular – Projecting; thick wall 0.3023 1.75 1.3479 0.64
Cor metal – Rectangular – Projecting; thin wall 0.4593 1.5 1.5956 0.57
Concrete – Horizontal ellipse – Headwall; square edge 0.3217 2 1.2804 0.67
Concrete – Horizontal ellipse – Headwall; grooved edge 0.1379 2.5 0.9394 0.74
Concrete – Horizontal ellipse – Projecting; grooved edge 0.1448 2 1.0198 0.69
Cor metal – Pipe arch (18in corner) – Headwall 0.267 2 1.5956 0.57
Cor metal – Pipe arch (18in corner) – Mitered to slope 0.1702 1 1.4895 0.75
Cor metal – Pipe arch (18in corner) – Projecting 0.4593 1.5 1.5956 0.53
Structural plate – Pipe arch (18in corner) – Projecting 0.3998 1.5 1.5667 0.55
Structural plate – Pipe arch (18in corner) – Headwall; square edge 0.2799 2 1.1613 0.66
Structural plate – Pipe arch (18in corner) – Headwall; beveled edge 0.0965 2 0.8493 0.75
Structural plate – Pipe arch (31in corner) – Projecting 0.3998 1.5 1.5667 0.55
Structural plate – Pipe arch (31in corner) – Headwall; square edge 0.2799 2 1.1613 0.66
Structural plate – Pipe arch (31in corner) – Headwall; beveled edge 0.0965 2 0.8493 0.75
Cor metal – Arch – Headwall 0.267 2 1.2192 0.69
Cor metal – Arch – Mitered to slope 0.9651 2 1.4895 0.75
Cor metal – Arch – Projecting 0.4593 1.5 1.5956 0.57
Concrete – Circular – Tapered throat 1.3991 0.555 0.6305 0.89
Cor metal – Circular – Tapered throat 1.576 0.64 0.9297 0.9
Concrete – Rectangular – Tapered throat 1.5116 0.667 0.5758 0.97