Page 699 - 水土保持手冊_10612

(1)未淤滿( H = . 8 12 m)、地震、普通流量( =h 0 )時
m
A.荷重分析( H = H − H = . 1 38 m ； H = m 2 H m tanα = . 1 15 m ；3. H = h + H = . 1 38 m；4.κ 2 = 1 − (H o ∑b op ) /(BH a ) = .0 744 )
1
3
1
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
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
5 .
3
P 05κ γ H 2 = 24.6 +24.6 H 3 / = 7 . 2 66.4
靜水壓力 wh 2 w m m
5 .
P wv 3 0 γ w m 2 H m (H m + H 2 ) = 31 0 . +31.0 m 2 H m 3 / = . 2 17 67.1
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

土-4-21
上揚力 U 5 . 0 γ w C B L H a = 17 8 . -17.8 L 3 / = . 4 17 -74.2
D K h W 1 = . 3 78 +3.78 H a 3 / = . 3 17 12.0
1
地震時壩 D K W = 12 0 . +12.0 H 2 / = . 4 75 56.85
體慣性力 2 h 2 a
D K h W 3 = 15 2 . +15.2 H a 3 / = . 3 17 48.0
3
2
P 5 . 0 K ae 1 ( − K v )γ sub H m = 51 . 56
ae
地震時土 ∆ P P − P = 25 8 .
砂壓力增 ae ae a
量 ∆ P aeh ∆P ae cos( + εδ ) = 10 . 16 +10.16 .0 6 H m = . 4 87 49.48
∆ P aev ∆P ae sin( + εδ ) = 23 7 . +23.7 m 2 H m 3 / = 7 . 2 64.0
合 計 185.0 78.0 1314.0