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1ΪطG01---̣λú·Ϊ1#2#¥һ㣬ϲ11Ծ12㣬ܽṹܿڸ߶41.2~42.6סҸ3.6ףײ5.8ףΪ3ס
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4װԤƴװģʱӦ߾λУ֧߰š֧ǲС60㡣
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2¥²ģ֧ӦװͬһֱϣѲģ¥֧ģʱ¥ṹĸ
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7ģ֧ţ˫ˮƽŴӵ50cmһڸ2һ
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3ֽ¥ģ
1ֽ¥ܽṹģ˳ģģŰ֧й㣩ƽģģ֧ϵͳģ
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4µ֧ܣģӦʱѷ룬ɣģ幤̣Ӧõ䣨ϽģϴӸߴָصѷţų˵˾ֿš
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4ֽģ
1Ҫϵ£ģ弰֧Ų
2Ӧ˶ģ壬ϽӦ水ָصѷš
5¥ģ֧Ĳϲ¥ʱ²¥֧òŽ7в²¥֧ǿȱﵽҪ󣩡
6ģϽּϡ
ģƷ
һģ㣺
ߴΪ500700mm3.6mһνٶȾΪ2M/hȡ25档
ȡֵ
A½Ųѹ׼ֵأ
F=0.22rt ?1?2V1/2 
200
= 0.2224          1.01.021/2 =29.86KN/m2
25+25
F=rH=242.3/2 =55.2 KN/m2
ȡFСֵF=29.86 KN/m2
B㵹ʱĺر׼ֵأ
ģ㵹ŵΪ0.20.8m3ˮƽر׼
ֵΪ4 KN/m2
CѹΪϼֵ
F =1.229.86 + 1.44= 41.43 KN/m2
1ģƣģΪ18mmÿƴ200mm
500mm
1ǿ㣺
q=41.430.2 =8.29KN/M
M      1/8ql2          1/88.29500 2
=     =            =
W       1/6bh2          1/6200252
=12.44N/mm2    2Ӷ
Ӷʱؽ½Ųѹı׼
q, =29.860.2 =5.97KN/M
5 q,l4                    55.97500 4
W=            =
384EI           38410 41/12200253
=1.87mm<500/250 =2mm Ҫ
2ƣ
ѡ50100ľ
1ǿ㣨ֵӦ0.85ۼϵ
1ߣ2̱ߣaࣩ
N =1/20.85F2a=1/20.8529.8660050010-3
= 3807N
M =1/80.85aF2 
=1/80.8529.86500600+100210-3
=777293N.mm
N           M           3807            777293
+            =               +
A        rxm             50100        11/6501002
=0.76+9.33 =10.09N/mm2<13N/mm2 Ҫ
2Ӷ
q, =29.860.4 =11.94KN/M
5 q,l4           511.9410 -3(600+100) 4
W=            =
384EI           38410 41/12200253
=0.01mm<500/250 =2.0mm Ҫ
¥ģ
ߴ6.34.5M3.7M110MMģ18391.5
1.8 CMϰ塣
ȡֵ
ر׼ֵģأ300 N/m2
½أ241030.11=2640 N/m2
ֽ:11000.11=121 N/m2
ر׼ֵʩأ2500 N/m2   
q1=0.9151.2(300+2640+121)=2361N/m2
q2=0.9151.42500 = 3203N/m2
1ģ
ľ600MM,򵥿ģ尴
1ǿ㣺
ʩΪأ
M1=K1q1L2+ K2q2L2
=0.0833610.62+0.10132030.62 =213.26N.M
ʩΪкأ
M2=K1q1L2+ K2q2L
=0.0833610.62+0.21332030.6 =506N.M
M1        M        M2                  50610 3
=     =            =
W      1/6bh2           1/6915182
=10.2N/mm22Ӷ㣺
Ӷֻúصı׼أ
q, =0.915(300+2640+121)=2800N/M=2.8N/MM
Kq,l4                 0.6772.80600 4
W=            =
100EI           10010 41/12915183
=0.56mm<600/250 =2.4mm Ҫ
2Сľƣ
Сѡ50100ľǣ800MM֧㣺
ǿ㣺
q, =0.6[1.2(300+2640+121)+1.42500] =4304N/M
M      1/8ql2        1/843041038002
=     =            =
W      1/6bh2            1/6501002
=4.13N/mm2    3ǣƣ
ǣѡç483.5MMֹܣ֧ż600MM
в࣬ǣ˲ǿȺӶ㡣
4֧ƣ
侻L=2800-110=2690MMвݺˣײɨظˣ
֧ż㳤Lo=1500֧Ųæ483.5MMֹ@15001500A=489MM2 
ȶ㣺
Lo=1500      i=15.8MM
= Lo/i=1500/15.8=95=0.25
֧Žṹʱ,ȡ1000 N/M2
N =0.61.2[1.2(300+2640+121)+1.41000]
= 3653N
N       3653
=            =29.88M/mm2      A    0.25489
ģ㣺
3005506.3M3.7M
ȡֵ
ر׼ֵ
ģṹأ500 N/m2
½أ241030.8=19.2103N/m2
ֽ:15000.8=1200 N/m2
½Ŷģѹ:
F=0.22rt ?1?2V1/2 
200
= 0.2224          1.01.021/2 =29.86KN/m2
25+25
F=rH=19.21030.6 =11.52103N/m2
ȡFСֵF=11.52103N/m2
ر׼ֵ:
Ųĺ:
ˮƽ ģĴֱΪ2000N/m2
Դֱģȡ4000N/m2
1װ:
װ25MM200MMľģ,С700MM֧:
1ǿ㣺
q=0.2[1.2(500+11.52103+1200)+1.42000]
=3733N/M
M      1/8ql2        1/8373310-37002
=     =            =
W      1/6bh2             1/6200262
=7.84N/mm22Ӷ㣺
q, =0.2(500+11.52103+1200) =2644N/M
5q,l4                 5264410-3700 4
W=            =
384EI           38410 41/12200253
=1.16mm<500/250 =2mm Ҫ
2ģ㣺
ģѡ18391.51.8CM񽺺ϰ壬Ϊ500MM֧㣺
1ǿ㣺
q=0.2(1.211.52103+1.44000)
=3885N/M
M      1/8ql2        1/8388510-35002
=     =            =
W      1/6bh2             1/6200252
=5.83N/mm22Ӷ㣺
q, =0.211.52103 =2304N/M
5ql4                 5230410-3500 4
W=            =
384EI           38410 41/12200253
=0.72mm<500/300 =1.67mm Ҫ
3ƣ
ѡ50100ľ=450-110-18+25=347MM
1ǿ㣺
q=0.5(1.211.52103+1.44000)
=9712N/M
M      1/8ql2        1/8971210-33472
=     =            =
W      1/6bh2             1/6501002
=2.07N/mm22Ӷ㣺
q, =0.511.52103 =5760N/M
5ql4                 5576010-3347 4
W=            =
384EI           38410 41/12501003
=0.09mm<527/250 =2.11mm Ҫ
4֧ż㣺
֧Ųæ483.5MMֹܼ1000600мݺˣײɨظλ֧ͬţȡ㳤L=1500=0.25A=489MM2
ȶ㣺
N =0.30.5[1.2(500+11.52103+1200)+1.42000]
= 2800N
N       2800
=            =22.90N/mm2      A    0.25489
ṹ      
 ģС֧ 18391.51.8CMϰ50100ľ@600483.5MMֹ@15001500
 ģģ֧ 20025ľ18391.51.8CMϰ50100ľ@50050100ľ483.5MMֹ@100600
 ģ 18391.51.8CMϰ50100ľ@500
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