Area 2 - Formula Flashcards
SWCE-Tambong (Canal),
formula for side slope, theta (lined)
tan theta = O/A
formula for bottom width for concrete canal
b = 2d tan ( theta/ 2)
formula for top width
t = b (2d / tan theta)
formula for total top width
T = b+(2D / tan theta)
formula for total depth or actual depth
D = 1.15d
formula for “A” most efficient trapezoidal canal
A = (sq rt 3)(d^2)
theta for the most efficient trapezoidal canal
60 deg
formula for “R” most efficient trapezoidal canal
R = d/2
theta for most efficient rectangular canal
90 deg
formula for base, most efficient rectangular canal
b = 2d
formula for “A”, most efficient rectangular canal
A = 2(d^2)
formula for “R”, most efficient rectangular canal
R = d/2
theta for the most efficient triangular canal
45 deg
formula for “A”, most efficient triangular canal
A = (d^2)
formula for unlined canal
b = 4d tan (theta/2)
