Page 718 - 水土保持手冊_10612

(3)淤滿( H m = 5 . 9 )、最大流量時( h = 2 . 1 m 、 h = . 0 83 m 、 h = 6 . 0 m )
ck
c
A.荷重分析[ H 1 = 0 ； H = m 2 H m tanα = . 1 36 m； H = h + H = 2 . 1 m ；κ 2 = 1 − (H o ∑b op ) /(BH a ) = 0.41]
3
2
1
作用力 符號 計算式 R R 作用點 力矩
v
h
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
5 .
1
壩體自 W κ γ t H = 26.95 + 26.95 m H + t 2 / = 11 296.5
重 2 2 c 1 a 2 a 1
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 wv 1 .0 ×γ w × m × H m ( H + H 2 ) = 51 6 . +51.6 H m 3 / = . 3 17 163.6
5
m
2
P .0 ×γ ( × h + h )× H = 20 4 . +20.4 m H 2 / = . 4 75 96.9
5
靜水壓 wv 2 wc c m 2 m
P wv 3 .0 ×γ wc ( × h + h c )× t = . 4 18 +4.18 t 1 2 / + m 2 H m = 11 46.0
5
1
ck
力
5
P wv 4 .0 ×γ wc × m × H × H = . 7 12 +7.12 2m 2 H m 3 / = . 6 34 45.0
2
2
m
P .0 5 × 2[ γ wc H 3 +γ H m × ] H m ×κ 2 = 22.8 +22.8 (H m 3 / )(H m + 3H 3 ) /(H m + 2H 3 ) = . 3 44 78.4
w
wh

2
5 .
P 0 ×γ sub × K ac × H m = 35 3 .
a
土-4-40
土砂壓 P P 35 cos 66 13 9 . . 3 17
力 ah a cos( + εδ ) = 3 . × 8 . = +13.9 H m 3 / = 44.0
P P a sin( + εδ ) = 35 3 . × sin 66 8 . = 32 4 . +32.4 m 2 H m 3 / = . 3 17 102.7
av
5 .
上揚力 U 0 ×γ w × C × L ( × H + H + h ) = 28 2 . -28.2 L 3 / = 8 . 4 -135.4
B
2
m
合計 165.6 37.0 1117.5