Page 716 - 水土保持手冊_10612

(2)未淤滿( H = . 8 12 m )、最大流量時( h = 2 . 1 m 、 h = . 0 83 m 、 h = 6 . 0 m )
ck
c
m
A.荷重分析[ H = H − H = . 1 38 m ； H = m 2 H m tanα = . 1 15 m ； H = h + H = . 2 58 m；κ 2 = 1 − (H o ∑b op ) /(BH a ) = 0.41]
3
a
1
1
2
m
作用力 符號 計算式 R R 作用點 力矩
v
h
5 .
W 0 κ 2 γ c m 1 H a 2 =8.5 +8.5 L − 2 m 1 H a 3 / = 13 1 . 111.4
1
壩體自重 W κ 2 γ c 1 H a = 26.95 + 26.95 m 2 H a + t 1 2 / = 11 296.5
t
2
5
W .0 κ 2 γ c m 2 H a 2 = 42.6 + 42.6 2 m 2 H a 3 / = 3 . 6 268.4
3
P wh 1 .0 5γ wc 2 ( h + H 1 )H 1 κ 2 = 1.16 +1.16 (H 1 3 / )(H 1 + 3h ) /(H 1 + 2h ) + H m = 7 . 8 10.0
P wh 2 .0 2 [ 5 γ wc H 3 +γ H m ]H m κ 2 = 22.2 +22.2 (H m 3 / )[H m + 3H 3 )] /[H m + 2H 3 )] = 2 . 3 71.1
w
P wv 1 .0 γ wc m 2 H 1 2 = 0 . 1 + 1.0 m 2 H 1 3 / + m 2 H m = . 8 58 8.58
5
靜水壓力 P wv 3 .0 5γ w m 2 H m ( H + H 2 ) = 37 7 . +37.7 m 2 H m 3 / = 7 . 2 101.8
m
P wv 4 .0 5γ wc m 2 H m H = . 5 14 +5.14 2m 2 H m 3 / = 4 . 5 27.8

2
P wv 5 .0 5γ wc ( h + h c ) m 2 H = 10 5 . +10.5 m 2 H a 2 / = . 4 75 50.0
土-4-38
a
P wv 6 .0 5γ wc h ( c + h ck t ) 1 = 3 . 2 +2.3 m 2 H a + t 1 2 / = 11 25.3
2
P 0 5 . K ac γ sub H m = 25 . 76
a
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 + h ) = 25 6 . -25.6 L 3 / = 8 . 4 -122.9
2
a
合 計 131.5 36.1 942.8