Page 685 - 水土保持手冊_10612

1. 未淤滿( H = . 8 12 m)、地震、普通流量( h = 0 m )時
m
α
(1)荷重檢算( H = H − H = 5 . 9 − . 8 12 = . 1 38 m ； H = m 2 H m tan = . 1 15 m ； H = h + H = . 1 38 m ； H = H = 5 . 9 m )
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1
m
a
2
1
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作用力 符號 計算式 R R 作用點 力矩
v
h
5 .
W 0 γ c m 1 H a 2 = 20 . 76 +20.76 L − 2 m 1 H a 3 / = 11 . 23 233.0
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 0 . + 83.0 2 m 2 H a 3 / = . 5 07 421.0
3
P wh 1 0 γ w H 1 2 = . 0 95 +0.95 H 1 3 / + H m = . 8 58 8.2
5 .
5 .
P wh 2 0 γ w 2 ( H 3 + H m )H m = 44 . 17 +44.17 (H m 3 / )(H m + 3H 3 ) /(H m + 2H 3 ) = . 3 05 134.7
P 1 0 γ m H 2 = . 0 76 +0.76 m 2 H + m 2 H 1 3 / = . 6 86 5.2
5 .
靜水壓力 wv w 2 1 m
P wv 2 γ w m 2 H m (H 1 − H 2 ) = 5 . 1 +1.5 m 2 H m 2 / = . 3 25 4.9

5 .
P wv 3 0 γ w m 2 H m (H m + H 2 ) = 30 1 . +30.1 m 2 H m 3 / = . 2 17 65.3
土-4-6
5 .
P wv 4 0 γ w m 2 H m H 2 = 7 . 3 +3.7 2m 2 H m 3 / = . 4 34 16.0
P 5 . 0 K ac γ sub H m 2 = 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 / = . 2 17 48.6
av
上揚力 U 5 . 0 γ w C B L H = 17 8 . -17.8 L 3 / = . 4 17 -74.2
地震時壩 D 5 . 0 γ K m H 2 = . 4 57 +4.57 H 3 / = . 3 17 14.5
體慣性力 1 c h 1 a a
D 2 γ c K h t 1 H a = 14 4 . +14.4 H a 2 / = . 4 75 68.4
D 3 5 . 0 γ c K h m 2 H a 2 = 18 3 . +18.3 H a 3 / = . 3 17 58.0