?H?hf??hjlV2V2???(?1??2??3)d2g2g?(0.02575??0.568m22解：
2600.884?5?0.5?1)0.22?9.8A?(b?mh)h?(2?1?1.2)?1.2?3.84m2
??b?2h1?m2?5.394m3.84R???0.712m?5.394
2A
1 V?CRi?R3i?n0.0008?0.7123?0.752m/s
0.0332 Q?VA?0.752?3.84?2.89m/s 23解：
?0?（21?m2?m)?2(1?22?2)?0.472h0 b??0h0?0.472 A0?(?0?m)h0、R0?0.5h0
111 C0?R06?44.54h06
n2 Q?A0C0R0i?3.482h0
83Q818)?()?0.626m h0?(3.4823.482 b?0.472?0.626?0.297m 24解：
（1） 主槽：A1?B1h1?15?6?90m
?1?B1?h1?(h1?h2)?15?6?6?2?25m
233 41
Q1?A1C1R1i?A11A1()n1?116A1?1i?2iA153n1?231?0.000490?2?140.9m3/s
0.0325353（2） 边滩：A2?B2h2?60?2?120m ?2?B2?h2?60?2?62m Q2?iA2n2?25323?93.2m3/s
3（3）总流量：Q?Q1?Q2?140.9?93.2?234.1m/s 25解：
A?(b?mh)h?(10?1.5?5)?5?87.5m B=b+2mh=25m Fr?2?Q2BgA31?3002?25 ??0.34339.8?87.5 Fr?1，水流为缓流。 26解：
42
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