Page 21 - Vol.13

求

A6=1.49ha A5=0.64ha

A1=5.38ha
A4=4.29ha I = 1720.3/(t+25) 0.65239

A2=2.89ha A3=2.32ha I = 1720.3/(10+25) 0.65239 =
169.15(mm/hr)

I = 1720.3/(30+25) 0.65239 =
125.95(mm/hr)

I = 1720.3/(60+25) 0.65239 =

C I 25 (mm/hr) (min) (ha) Q 25 (cms) 94.81(mm/hr)

A1 0.90 188.39 10 5.38 2.53

A2 0.90 188.39 10 2.89 1.36

A3 0.90 188.39 10 2.32 1.09

A4 0.90 188.39 10 4.29 2.02

A5 0.90 188.39 10 0.64 0.30
Q= 0.9×169.15×17.01/360= 7.19
A6 0.90 188.39 10 1.49 0.70 (cms)

17.01 8.01
Q= 0.9×125.95×17.01/360= 5.36
(cms)

Q= 0.9×94.81×17.01/360= 4.03

(cms)
規劃

I = a = 2969.4 = 188.39mm hr
/
(tb+ ) c (10 39+ ) 0.70857

NEW FAB ENGINEERING JOURNAL MARCH 2014 21