各类污水管水力计算

1、UPVC加筋管粗糙系数n:,0.009,污水管道在设计充满度时最小设计流速为,0.6,m/s,设计流量,Q=VA,L/s,设计流速,V=1/n*R2/3*I1/2,m/s,其中 R-水力半径(米); I-水力坡降; n-粗糙系数; A-水流断面(米2); -湿周(米),污水管道应按不满流计算，其最大设计充满度应按下表采用。,管径或渠高,最大设计充满度,200300,0.55,350450,0.65,500900,0.7,1000,0.75,h2/D时, , A=(-+sincos)r2 =(-arccos(1-2t)+(4t-2t2)0.5(1-2t)D2/4,=2r, R=(-+sincos

2、)r/2 =(-arccos(1-2t)+(4t-2t2)0.5(1-2t)D/4arccos(1-2t),污水管道水力计算表,管段编号,管道长度l(m),设计流量(L/s),管径D,充满度,管道坡度I,流速V(m/s),水流断面A(m2),水力半径R(m),实际流量Q(L/s),坡降(m),沟底标高(m),水面标高(m),沿线 流量,转输 流量,设计流量,(mm),h/D,起端,终端,起端,终端1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,17,181,20 ,2.00 ,0.00 ,2.00 ,150 ,0.350 ,0.0035 ,0.61 ,0.0053,0

3、.028,大了,0.07,-1.00 ,-1.07 ,-0.95 ,-1.02 2,30,2.00 ,2.00 ,4.00 ,200 ,0.25 ,0.0080 ,0.91 ,0.0058,0.028,大了,0.24,-1.12 ,-1.36 ,-1.07 ,-1.31 3,30,2.00 ,4.00 ,6.00 ,200 ,0.51,0.0030 ,0.80 ,0.0152,0.048,大了,0.09,-1.36 ,-1.45 ,NO,-1.35 4,2.00 ,6.00 ,8.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,大了,0,-1.45 ,-1.4

4、5 ,-1.35 ,-1.35 5,2.00 ,8.00 ,10.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,大了,0,-1.45 ,-1.45 ,NO,-1.35 6,2.00 ,10.00 ,12.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,12.48 ,0,-1.45 ,-1.45 ,NO,-1.35 7,2.00 ,12.00 ,14.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 8,2.00 ,14.00 ,16.00

5、 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 9,2.00 ,16.00 ,18.00 ,200 ,0.12,0.0030 ,0.35 ,0.0020,0.014,小了,0,-1.45 ,-1.45 ,-1.43 ,-1.43 10,2.00 ,18.00 ,20.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 11,2.00 ,20.00 ,22.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,

6、0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 12,2.00 ,22.00 ,24.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 13,2.00 ,24.00 ,26.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 14,2.00 ,26.00 ,28.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 15,2.00 ,28.00 ,30.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 16,2.00 ,30.00 ,32.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45 ,-1.45 ,NO,-1.35 17,2.00 ,32.00 ,34.00 ,200 ,0.49,0.0030 ,0.82 ,0.0153,0.049,小了,0,-1.45