5．計画雨水量の設定 - Noboribetsu

1 - 87 -- 88 -5 5-1 = 1360 C I A m /s /hr ha - 89 -5-2 7 = 4860t + 39 I mm/hr min 60 13 H6 H19 60 - 90 - (1) 5-1 STARTEND (10 60 ) 5-1 (2) 10 60 20 - 91 - (3) 1) i ( i) 1 ( 5 1 ) ii ( i) 2 1 2 ( 5 2 ) XiP Xi i N 5 1 5 2 i ( i) 2) ( ) = 1 - 2 ( 5 3 ) = log + 0+ (- )

2 ( 5 4 ) log(X+ ) log(X0+ ) 1 ( 5 5 ) 0 (5 5) 0 - 92 - (4) 5 7 10 5-2 5-3 5-1 5-1 10 60 10 60 (mm) (mm/hr) (mm) (mm/hr) (mm) (mm/hr) - 93 - 5-2 43 62 mm mm 9 9 9 9 9 9 8 9 9 10 8 9 8 9 9 8 8 10 9 8 8 9 9 8 10 9 9 6 9 8 7 10 7 6 7 9 6 8 9 10 60 P - 94 - 5-3 51 61 mm hr mm hr 10 10 8 9 9 9 9 8 7 5 5 8 10 8 9 7 9 9 9 10 10 8 8 9 10 9 9 4 7 9 4 9 8 7 11 7 5 8 8 10 8 7 7 11 8 6 6 6 7 7 7 10 8 9 6 5 7 7 7 9 6 10 60 P - 95 - (5) 1) I 5 6 2) I n 5 7 3)

3 I t 5 8 4) I n 5 9 /hr min 10 60 5 10 20 30 40 50 60 80 120 8 10 60 10 60 - 96 - N RN N N N ' 5 10 N hr N RN 60 hr N =60min N= (5 10) = 60 = 60- N tN 1 5 11 tN (5 11) ba ' tN tN = ItNI60N 5 12 ItN t hr I60N 60 hr - 97 - 10 (5 12) 10N = I10NI60N 5 13 (6) 5-1 (5) 5-4 5-5 5-4 4,4164,451t+36t+414,8604,705t+39t+464,95 84,851t+37t+49 5-5 106010 NNN ,4164,8604,9584,4514,7054,851a - 98 - (7) 5 10 7 I = 4860 t+39 hr I hr t min - 99 - (8)

4 ( _ _10 ) 5-6 5-6 (mm/hr)(mm/hr) 10 60 H6 - 100 - 5-7 5-7 10 60 10 60 (mm) (mm/hr) (mm) (mm/hr) (mm) (mm/hr) ( ) ( ) 5-7 (5) 5-8 5-9 5-8 4,4164,620t+36t+454,8604,704t+39t+434,95 84,800t+37t+40 ( ) ( ) - 101 - 5-9 106010 NNN ,4164,8604,9584,6204,7044,800a ( ) ( ) 5-3 1 t 1 = ( 2 3 ) t 1 5-10 - 102 - 5-10 n ( ) 1) =30m t 1 = ( 2 3 30 ) 7 2) 5-11 5-11 7 5-2 - 103 -(2)

5 2i = Li Vi 60 2i Li Vi m/s 2 = 1 2i 2 - 104 -5-4 1/2,500 5-12 5-13 50 1 5-12 5-13 - 105 - hq ( ) - 106 - hq ( ) - 107 - hq ( ) - 108 - hq ( ) - 109 - hq ( ) - 110 - hq ( ) - 111 - hq ( )

6 - 112 - hq ( ) - 113 - hq ( ) - 114 - hq ( ) - 115 - hq ( ) - 116 - hq ( ) - 117 -- 118.