Page 690 - 水土保持手冊_10612

3. 淤滿、最大流量( h = 2 m ； h = . 1 38 m ； h = 0 . 1 m )時
c
ck
(1)荷重分析( H = 5 . 9 m ； H = 0 m ； H = m 2 H tanα = . 1 36 m ； H = h + H = 2 m )
1
3
2
1
m
a
作用力 符號 計算式 R R 作用點 力矩
h
v
W 0 γ c m 1 H a 2 = 20 . 76 + 20.76 L − 2 m 1 H a 3 / = 11 . 23 233.0
5 .
1
壩體自重 W γ c t 1 H a = 65 . 55 + 65.55 m 2 H a + t 1 2 / = 1 . 9 596.5
2
5 .
W 0 γ c m 2 H a 2 = 83 . 03 + 83.03 2 m 2 H a 3 / = . 5 07 421.0
3
P 0 2 [ 5 . γ wc H 3 +γ w H m ]H m = 66 0 . +66.0 (H m 3 / )(H m + 3h ) /(H o + 2h ) = . 3 64 240.0
wh
P 0 γ m H (H + H ) = 41 3 . +41.3 m H 3 / = . 2 53 104.5
5 .
靜水壓力 wv 1 w 2 m m 2 2 m
P wv 2 0 γ wc ( + hh c )m 2 H a = 14 0 . +14.0 m 2 H a 2 / = 8 . 3 53.2
5 .
P wv 3 0 γ wc h ( c + h ck t ) 1 = 8 . 3 +3.8 m 2 H a + t 1 2 / = 1 . 9 34.6
5 .
P 0 5 . K γ sub H a 2 = 35 . 27
a
a

土砂壓力 P P a cos( + εδ ) = 17 3 . +17.3 H a 3 / = . 3 17 54.84
ah
土-4-11
P P a sin( + εδ ) = 30 . 74 +30.74 m 2 H a 3 / = . 2 53 77.8
av
5 .
上揚力 U 0 γ w C B L (H m + H 2 + h ) = 24 1 . -24.1 L 3 / = . 4 17 -100.5
合 計 235.0 83.3 1715.0