绗?/p>
2
绔?/p>
娴佷綋闈欏姏瀛?/p>
2.1
澶ф皵鍘嬭鐨勮鏁颁负
100.66kPa(755mmHg)
锛?/p>
姘撮潰浠ヤ笅
7.6m
娣卞鐨勭粷瀵瑰帇鍔?
涓哄灏戯紵
鐭ワ細
a
a
KP
P
66
.
100
飥?/p>
3
/
1000
m
kg
飥?/p>
姘?/p>
飦?/p>
m
h
6
.
7
飥?/p>
姹傦細姘翠笅
h
澶勭粷瀵瑰帇鍔?/p>
P
瑙ｏ細
a
a
KP
gh
P
P
175
6
.
7
1000
807
.
9
6
.
100
飥?/p>
飩?/p>
飩?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飦?/p>
2.2
鐑熷洷楂?/p>
H=20m
锛?/p>
鐑熸皵娓╁害
t
s
=300
鈩冿紝
鍘嬪姏涓?/p>
p
s
锛?/p>
纭畾寮曡捣鐏倝涓儫姘旇嚜鍔?
娴?/p>
閫?/p>
鐨?/p>
鍘?/p>
鍔?/p>
宸?/p>
銆?/p>
鐑?/p>
姘?/p>
鐨?/p>
瀵?/p>
搴?/p>
鍙?/p>
鎸?/p>
涓?/p>
寮?/p>
璁?/p>
绠?/p>
锛?/p>
p=
锛?/p>
1.25-0.0027t
s
锛?/p>
kg/m
3
锛岀┖姘斚?/p>
=1.29kg/m
3
銆?/p>
瑙ｏ細鎶?/p>
t
300
s
C
飥?/p>
飩?/p>
浠ｅ叆
3
s
(1.25
0.0027
)
/
s
t
kg
m
飦?/p>
飥?/p>
飥?/p>
寰?/p>
3
s
(1.25
0.0027
)
/
s
t
kg
m
飦?/p>
飥?/p>
飥?/p>
3
3
(1.25
0.0027
300)
/
0.44
/
kg
m
kg
m
飥?/p>
飥?/p>
飩?/p>
飥?/p>
鍘?/p>
鍔?/p>
宸?/p>
s
=
-
p
飦?/p>
飦?/p>
飦?/p>
a
锛?/p>
锛?/p>
gH
锛?/p>
鎶?/p>
3
1.29
/
a
kg
m
飦?/p>
飥?/p>
锛?
3
0.44
/
s
kg
m
飦?/p>
飥?/p>
锛?/p>
9.8
/
g
N
kg
飥?/p>
锛?/p>
20
H
m
飥?/p>
鍒嗗埆浠ｅ叆涓婂紡鍙緱
s
=
-
20
p
Pa
飦?/p>
飦?/p>
飦?/p>
飩?/p>
飩?/p>
a
锛?/p>
锛?/p>
gH
=(1.29-0.44)
9.8
166.6
Pa
飥?/p>
2.3
宸茬煡澶ф皵鍘嬪姏涓?/p>
98.1kN/m
2
銆傛眰浠ユ按鏌遍珮搴﹁〃绀烘椂锛?/p>
锛?/p>
1
锛夌粷瀵瑰帇鍔涗负
117.2kN/m
2
鏃剁殑鐩稿鍘嬪姏锛?/p>
锛?/p>
2
锛夌粷瀵瑰帇鍔涗负
68.5kN/m
2
鏃剁殑鐪熺┖鍊煎悇涓哄灏戯紵
瑙ｏ細
锛?/p>
1
锛夌浉瀵瑰帇鍔涳細
p
a
=p-p
澶ф皵
=117.72-98.1=19.62KN/
2
m
浠ユ按鏌遍珮搴︽潵琛ㄧず锛?/p>
h=
p
a/
g
飦?/p>
=19.62*
3
10
/
锛?/p>
9.807*
3
10
锛?/p>
=2.0m
锛?/p>
2
锛夌湡绌哄�硷細
2
v
a
p
=p
p=98.1
68.5=29.6
/
m
KN
飥?/p>
飥?/p>
浠ユ按鏌遍珮搴︽潵琛ㄧず锛?/p>
h=
p
a/
g
飦?/p>
=29.6*
3
10
/
锛?/p>
9.807*
3
10
锛?/p>
=3.0m