March 29, 2019 | Author: Wan Mahiram | Category: N/A
THIS IS DEVELOPED BY DR. QUEK & ASSOCIATES SPREADSHEET COMPUTES THE TIME-AREA METHOD USING MSMA (2000 & 2011) VISIT WEBSITE: http://www.msmam.com
Location: Air Terjun, Sg Batu, Kuala Lumpur
A B B/A=
Qp (MSMA, 2000) Qp (MSMA, 2011)
62.35 79.30 1.27
TIME-AREA CALCULATION (MSMA, 2000) Design ARI (yr)= 100 Tc (min) 30 Design I (mm/hr)= 172.2 Design P (mm)= 86.1 Pattern Type= 3 Time Interval (min)= 5 Duration (min) 30 Location= Kuala Lumpur 86.10 B1 B Rainfall Ratio Rainfall (mm) 0.000 0.00 0.160 13.78 0.250 21.53 0.330 28.41 0.090 7.75 0.110 9.47 0.060 5.17
A Time (min) 0 5 10 15 20 25 30 35 40 45 50 55 60
C Losses (mm) 0.00 1.50 0.00 0.00 0.00 0.00 0.00
D ER (mm) 0.00 12.28 21.53 28.41 7.75 9.47 5.17
E Time-Area Curv (m2) 0 85,000 100,000 200,000 250,000 300,000 180,000
1 2 3 4 5 F G H I J Runoff Generated By the Effective Rainfall (mm) 12.28 21.53 28.41 7.75 9.47 0.00 3.48 0.00 4.09 6.10 0.00 8.18 7.18 8.05 0.00 10.23 14.35 9.47 2.20 0.00 12.28 17.94 18.94 2.58 2.68 7.37 21.53 23.68 5.17 3.16 0.00 12.92 28.41 6.46 6.31 0.00 0.00 17.05 7.75 7.89 0.00 0.00 0.00 4.65 9.47 0.00 0.00 0.00 0.00 5.68 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
RAINFALL HYETOGRAPH ) M M ( L L A F N I A R
5.17
0.00 1.46 1.72 3.44 4.31 5.17 3.10 0.00
K Hydrograph (m3/s) 0.00 3.48 10.19 23.41 36.25 54.42 62.35 55.82 36.13 18.43 10.85 3.10 0.00
INFLOW HYDROGRAPH
30 25 20 15 10 5 0
70 60 1
2
3
4
5
6
TIME PERIODS @ 5 MIN INTERVALS
) 50 S / 3 40 M ( W 30 O L F 20
RAINFALL EXCESS HYETOGRAPH
) M M ( L L A F N I A R E V I T C E F F E
6 K1
30 25 20 15 10 5 0
10 0 1
2
3
4
5
6
TIME PERIODS @ 5 MIN INTERVALS
IMPORTANT NOTE: This is developed by DR. QUEK & ASSOCIATES To download many more FREE programs on MSMAM go to: Website: http://www.msmam.com Email:
[email protected]
0
10
20
30
40
TIME (MIN)
50
60
70
1 2 3 4 5 6 7 8 9 10 11 12
TIME-AREA CALCULATION (MSMA, 2011) Design ARI (yr)= 100 Tc (min) 30 Design I (mm/hr)= 217.87 Design P (mm)= 108.9356 Pattern Type= Region 5 Time Interval (min)= 5 Duration (min) 30 Location= Kuala Lumpur 1.00 108.94 B1 B Rainfall Ratio Rainfall (mm) 0.000 0.00 0.097 10.57 0.161 17.54 0.400 43.57 0.164 17.87 0.106 11.55 0.072 7.84
A Time (min) 0 5 10 15 20 25 30 35 40 45 50 55 60
C Losses (mm) 0.00 1.50 0.00 0.00 0.00 0.00 0.00
D ER (mm) 0.00 9.07 17.54 43.57 17.87 11.55 7.84
1 E F Time-Area Curv Runoff Ge (m2) 9.07 0 0.00 85,000 2.57 100,000 3.02 200,000 6.04 250,000 7.56 300,000 9.07 180,000 5.44 0.00 0.00 0.00 0.00 0.00 0.00
RAINFALL HYETOGRAPH ) M M ( L L A F N I A R
I
50 40
90
30 20
80
10 0 1
2
3
4
5
6
TIME PERIODS @ 5 MIN INTERVALS
RAINFALL EXCESS HYETOGRAPH ) M M ( L L A F N I A R E V I T C E F F E
50 40 30
70 ) 60 S / 3 50 M ( W 40 O L 30 F 20 10
20
0
10 0 1
IMPORTANT NOTE:
2
3
4
5
TIME PERIODS @ 5 MIN INTERVALS
6
0
10
This is developed by DR. QUEK & ASSOCIATES To download many more FREE programs on MSMAM go to: Website: http://www.msmam.com Email:
[email protected]
2 3 4 5 G H I J erated By the Effective Rainfall (mm) 17.54 43.57 17.87 11.55 0.00 4.97 5.85 11.69 14.62 17.54 10.52 0.00 0.00 0.00 0.00 0.00
6 K1 7.84
0.00 12.35 14.52 29.05 36.31 43.57 26.14 0.00 0.00 0.00 0.00
0.00 5.06 5.96 11.91 14.89 17.87 10.72 0.00 0.00 0.00
0.00 3.27 3.85 7.70 9.62 11.55 6.93 0.00 0.00
0.00 2.22 2.61 5.23 6.54 7.84 4.71 0.00
K Hydrograph (m3/s) 0.00 2.57 7.99 24.24 38.83 61.96 77.27 79.30 58.86 28.80 14.77 4.71 0.00
FLOW HYDROGRAPH
20
30
40
TIME (MIN)
50
60
70
1 2 3 4 5 6 7 8 9 10 11 12
1.27
