Page 701 - 水土保持手冊_10612

(2)未淤滿( H = . 8 12 m )、最大流量時( h = 0 . 2 m 、 h = . 1 38 m 、 h = 0 . 1 m )
ck
m
c
A.檢算[ H = H − H = . 1 38 m ； H = m 2 H m tanα = . 1 15 m ； H = h + H = . 2 38 m ；κ 2 = 1 − (H o ∑b op ) /(BH a ) = .0 744 ]
1
1
3
2
a
m
作用力 符號 計算式 R R 作用點 力矩
h
v
W .0 κ 2 γ c m 1 H a 2 =15.4 +15.4 L − 2 m 1 H a 3 / = 11 2 . 172.5
5
1
t
壩體自重 W κ 2 γ c 1 H a = 48.8 + 48.8 m 2 H a + t 1 2 / = 1 . 9 444.1
2
5
W .0 κ 2 γ c m 2 H a 2 = 61.8 + 61.8 2 m 2 H a 3 / = . 5 07 313.3
3
P wh 1 .0 5γ wc 2 ( h + H 1 )H 1 κ 2 = 1.9 +1.9 (H 1 3 / )(H 1 + 3h ) /(H 1 + 2h ) + H m = 7 . 8 16.6
P wh 2 .0 2 [ 5 γ wc H 3 +γ H m ]H m κ 2 = 40.3 +40.3 (H m 3 / )[H m + 3H 3 )] /[H m + 2H 3 )] = 2 . 3 129.0
w
5
P .0 γ wc m 2 H 1 2 = . 0 84 + 0.84 m 2 H 1 3 / + m 2 H m = . 6 86 5.8
1
wv
靜水壓力 P wv 3 .0 5γ w m 2 H m (H m + H 2 ) = 31 0 . +31.0 m 2 H m 3 / = . 2 17 67.1
P wv 4 5.0 γ wc m 2 H m H = 1 . 4 +4.1 2m 2 H m 3 / = . 4 34 17.8
2

P wv 5 .0 5γ wc ( + hh c )m 2 H a = 2 . 7 +7.2 m 2 H a 2 / = 8 . 3 27.4
土-4-23
P wv 6 5.0 γ wc ( h + h k t ) 1 = 0 . 4 +4.0 m 2 H a + t 1 2 / = 1 . 9 36.4
c
P 5 . 0 K γ sub H m 2 = 25 . 76
a
ac
土砂壓力 P P a cos( + εδ ) = 12 7 . +12.7 H m 3 / = 7 . 2 34.3
ah
P P a sin( + εδ ) = 22 4 . +22.4 m 2 H m 3 / = 7 . 2 60.5
av
5 .
上揚力 U 0 γ w C B L ( H + h ) = 20 7 . -20.7 L 3 / = 8 . 4 -99.36
a
合 計 174.8 55.5 1225.4