Conduits

Name

Parameter

Shape

Name

Parameter

Shape

Circular

Full Height

s1

Circular Force

Main

Full Height,

Roughness

s21

Filled

Circular

Full Height,

Filled Depth

s2

Rectangular -

Closed

Full Height,

Width

s22

Rectangular Open

Full Height,

Width

s3

Trapezoidal

Full Height,

Base Width,

Side Slopes

s23

Triangular

Full Height,

Top Width

s4

Horizontal

Ellipse

Full Height,

Max. Width

s24

Vertical

Ellipse

Full Height,

Max. Width

s5

Arch Full Height

Max. Width

s25

Parabolic

Full Height,

Top Width

s6

Power

Full Height,

Top Width,

Exponent

s26

Rectangular-

Triangular

Full Height,

Top Width,

Triangle

Height

s7

Rectangular-

Round

Full Height,

Top Width,

Bottom

Radius

s27

Modified

Baskethandle

Full Height,

Bottom Width

s8

Egg

Full Height

s28

Horseshoe

Full Height

s9

Gothic

Full Height

s29

Catenary

Full Height

s10

Semi-

Elliptical

Full Height

s30

Basket handle

Full Height

s11

Semi-Circular

Full Height

s31

Irregular

Natural

Channel

Transect

Coordinates

s12

Custom

Closed Shape

Full Height,

Shape Curve

Coordinates

s32

Q=1.49nAR23S12 Q = \frac{1.49}{n} AR^{\frac{2}{3}}S^{\frac{1}{2}}

Q=1.318CAR0.63S0.54 Q = 1.318CAR^{0.63} S^{0.54}

Q=8gfAR1/2S1/2Q = \sqrt{\frac{8g}{f}} A R^{1/2} S^{1/2}

  • Names of the inlet and outlet nodes

  • Offset height or elevation above the inlet and outlet node inverts

  • Conduit length

  • Manning's roughness

  • Cross-sectional geometry

  • Entrance/exit losses (optional)

  • Presence of a flap gate to prevent reverse flow (optional)

Quick Navigation

On this page

No Headings