6.6n-0.02,-1.252m/s 6.7=2.6×103,△z=0.3m出口槽底高程51.76mm 6.8i=0.00116 6.10h=1.491m 6.13户3.34×10，流速满足通航要求 6.14(流量为6.7m3/s,糙率取n=0.03)(1)h0=2.11m,(2)h0=2.7m时，Q=11.06m3/s, 能供给工业用水为4.36m3/s,(3)h0=1.5m时，Q=3.415m3/s,v=0.4029m/s<v微 =0.5m/s。 7明渠恒定非均匀流 7.10=4.16m/s,F=0.22 7.2缓流 7.3v=3.48m/5,0=4.5m1s,缓流 754=0.027,陡坡 7.6h1=0.307m 7.7h1=0.31m, 7.8L=6.72m,h2=1.698m 7.9流量修改为Q-0.8m3s,h2=0.822m,A1=0.1981m2,hc1=0.1237m,Jh)=0.354m。 8堰流、闸孔出流和桥涵过流的水力计算 8.10=0.2436m21s 8.30=0.069m31s 8.4(1)h=250.44m (2)上游高程为267.0m,Q=6386.57m'/s: 上游高程为269.0m,Q=7553.93m31s 8.5b-30.274m 6