Page 724 - 水土保持手冊_10612

(6)淤滿( H = 5 . 9 m )、土石流體撞擊力、土石流巨礫撞擊( D = 0 . 1 m)
E
m
A.荷重分析[ H 1 = 0 ； H = m 2 H m tanα = . 1 36 m； H = h + H = 0 m ；κ 2 = 1 − (H o ∑b op ) /(BH a ) = 0.41；κ 1 = (B E − b o / ) B E = . 0 19 ；
2
3
1
B = B − b = . 5 82 m； q = γ me h DE = . 0 83 ]
o
E
作用力 符號 計算式 R R 作用點 力矩
v
h
W 5 . 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
5 .
P wv 1 0 ×γ w × m × H m ( H + H 2 ) = 51 6 . +51.6 H m 3 / = . 3 17 163.6
2
m
靜水壓力
2
P 0 5 . ×γ H m ×κ 2 =18.5 +18.5 (H m 3 / )(H m + 3H 3 ) /(H m + 2H 3 ) = . 3 17 58.6
wh
w
P 5 . 0 ×γ sub × K ac × H m + K ac q H m = 46 3 .
2
a
土砂壓力 P P a cos( + εδ ) = 18 . 24 +18.24 H m 3 / = . 3 17 57.8
ah

P P a sin( + εδ ) = 42 6 . +42.6 m 2 H m 3 / = . 3 17 135.0
av
土-4-46
上揚力 U 5 . 0 ×γ w × C × L ( × H + H + h ) = 23 5 . -23.5 L 3 / = 8 . 4 -116.2
m
2
B
土石流體 P κ γ h U 2 / g = . 0 15 +0.15 h / 2 + H = . 9 81 1.5
撞 f 1 m DE DE DE m
土石流巨 P 6 / 5 2 +13.3 D 2 / + H = 10 0 . 133.0
礫撞擊 d 20 2 . U DE D E / B = 13 3 . E m
合計 148.75 50.2 1109.6