152025324050650.100.210.410.761.022.363.980.80.80.90.90.91.21.212.818.32432.8385065住宅给水流量、管径计算表公式:管径DN(mm)衬塑钢管控制参数其中,q0——最高日用水定额,这里取300。m——用水人数,按每户3.5人计算。Kh——小时变化系数,取2.5。T——用水时间。Qh——最大时用水量=q0*m*Kh/86400(L/S)qg——计算管段设计秒流量,L/S。U——计算管段的卫生器具给水当量同时出流概率,。Ng——计算管段卫生器具给水当量总数。0.2——1个卫生器具给水当量的额定流量。αc——对应于不同的卫生器具的给水当量平均出流概率(U0)的系数。使用说明:白色区域为表格计算值,含公式,不允许修改;橙色区域为控制参数,允许修改,但修改会影响表格计算值;黄色区域为用户输入区,输入参数后表格会自动计算总当量,最大小时用水量,U0,ac,U,设计秒流量,适宜管径,流速。但是要注意:1)“适宜管径”根据“控制流速”(控制流量)及“设计秒流量”自动取值,调整“控制流速”会自动生成控制流量,相应的“适宜管径”取值也会发生变化;您也可以在“手工调整管径”中修改管径并获得相对应的流速;2)“计算流速”根据“计算内径”及“设计秒流量”计算得到,与规范给出对照表中数据相近,此表格仅适用于表格规定管材的水力计算,非规定管材需慎重使用;3)按规范当Ng达到某值(即超规范限定值),Qg取“最大小时用水量L/S”为“设计秒流量”,即当Qg40L/S,则以“最大小时用水量”为“设计秒流量”;4)手工调整管径取值为DN15、DN20、DN25、DN32、DN40……以此类推,不可以是任意整数。控制流量(L/S)控制流速(M/S)衬塑钢管水力计算表计算内径(mm)49.049.0)1(2.02.0%100)1(1U,2.0gcgggcggNNNqNgNgNUq固ghghNQTNKmqU2.010036002.0003002.53.51-214.000.420.42320.50320.502-3416.000.880.88400.78400.783-4728.001.201.20500.61500.614-52080.002.192.19501.12501.125-634136.003.013.01650.91650.916-756224.004.114.11800.89800.897-865260.004.524.52800.98800.988-9109436.006.346.341000.781000.789-10200800.009.609.601001.181001.18设计秒流量Qg'(L/S)当量Ng设计秒流量取值Qg(L/S)户数管段编号立管管径计算(钢塑管)衬塑钢管水力计算表适宜管径DN(mm)用水量标准(L/人*d)时不均系数(Kh)每户人数(个)计算流速(m/s)住宅生活给水设计参数手工调整管径DN(mm)对应流速(m/s)801001251505.9710.6216.7223.271.31.31.31.376.5102128151衬塑钢管控制参数洗脸盆坐便器浴缸洗涤盆洗衣机淋浴净身盆预留0.750.51.2110.750.50110111004I(KPa/m)(m)0.1150.530.533.50.033.7980.02640.2161.241.77140.123.7980.02640.1070.672.4424.50.213.7980.02640.2982.344.79700.613.7980.02640.1591.336.111191.033.7980.02640.12101.187.291961.703.7980.02640.14111.558.84227.51.973.7980.02640.06120.789.62381.53.313.7980.02640.14131.8211.447006.083.7980.0264管段沿程损失KPa管段沿程损失累加Kpa系数ac当量合计(Ng)每个洁具当量/每户卫生生洁具的数量人数最大小时用水量L/S计算参数,不可删除水头损失计算每米沿程水头损失管长平均出流概率U0%52.2627.4821.4013.6911.089.178.697.276.00计算参数,不可删除同时出流概率U(%)152025324050650.120.260.480.751.112.513.870.80.80.90.90.91.21.213.620.226.232.639.751.664.13002.53.51-214.000.420.42250.78250.782-3416.000.880.88400.71400.713-4728.001.201.20500.57500.574-52496.002.442.44501.17501.175-634136.003.013.01650.93650.936-756224.004.114.11800.98800.987-865260.004.524.52801.08801.088-9124496.006.916.911000.801008.289-10200800.009.609.601001.111001.11计算流速(m/s)手工调整管径DN(mm)对应流速(m/s)管段编号户数当量Ng设计秒流量Qg'(L/S)设计秒流量取值Qg(L/S)适宜管径DN(mm)立管管径计算时不均系数(Kh)每户人数(个)计算内径(mm)住宅生活给水设计参数薄壁不锈钢管水力计算表用水量标准(L/人*d)薄壁不锈钢管控制参数管径DN(mm)控制流量(L/S)控制流速(M/S)801001251505.4511.2516.7223.891.31.31.31.373.1105128153洗脸盆坐便器浴缸洗涤盆洗衣机淋浴净身盆预留0.750.51.2110.750.50110111004I(KPa/m)(m)0.3251.591.593.50.033.7980.02640.1761.002.59140.123.7980.02640.0870.583.1724.50.213.7980.02640.3182.465.62840.733.7980.02640.1691.427.041191.033.7980.02640.15101.488.521961.703.7980.02640.18111.9410.45227.51.973.7980.02640.07120.7911.254343.773.7980.02640.12131.5812.837006.083.7980.0264每米沿程水头损失管长管段沿程损失KPa平均出流概率U0%系数ac人数最大小时用水量L/S管段沿程损失累加Kpa计算参数,不可删除水头损失计算当量合计(Ng)每个洁具当量/每户卫生生洁具的数量薄壁不锈钢管控制参数52.2627.4821.4012.7111.089.178.696.976.00同时出流概率U(%)计算参数,不可删除152025324050650.150.260.470.761.182.503.530.80.80.90.90.91.21.215.420.425.932.840.851.561.23002.53.51-214.000.420.42250.79250.792-3416.000.880.88400.67400.673-4728.001.201.20500.58500.584-52496.002.442.44501.17501.175-634136.003.013.01651.02651.026-756224.004.114.11800.97800.977-865260.004.524.52801.06801.068-9109436.006.346.341001.001001.009-10200800.009.609.601250.751250.75对应流速(m/s)立管管径计算管段编号户数当量Ng设计秒流量Qg'(L/S)设计秒流量取值Qg(L/S)适宜管径DN(mm)计算流速(m/s)手工调整管径DN(mm)住宅生活给水设计参数用水量标准(L/人*d)时不均系数(Kh)每户人数(个)PP-R管控制参数管径DN(mm)PP-R管水力计算表控制流量(L/S)控制流速(M/S)计算内径(mm)49.049.0)1(2.02.0%100)1(1U,2.0gcgggcggNNNqNgNgNUq固ghghNQTNKmqU2.010036002.000801001251505.538.2716.7223.271.31.31.31.373.690128151洗脸盆坐便器浴缸洗涤盆洗衣机淋浴净身盆预留0.750.51.2110.750.5011011100I(KPa/m)(m)0.3451.681.683.50.033.7980.02640.1560.872.56140.123.7980.02640.0870.583.1424.50.213.7980.02640.3182.485.62840.733.7980.02640.2091.787.401191.033.7980.02640.14101.438.831961.703.7980.02640.17111.8710.70227.51.973.7980.02640.12121.4312.13381.53.313.7980.02640.05130.6012.737006.083.7980.0264水头损失计算每米沿程水头损失管长管段沿程损失KPa管段沿程损失累加Kpa系数ac人数最大小时用水量L/S平均出流概率U0%计算参数,不可删除每个洁具当量/每户卫生生洁具的数量PP-R管控制参数452.2627.4821.4012.7111.089.178.697.276.00同时出流概率U(%)计算参数,不可删除每个洁具当量/每户卫生生洁具的数量当量合计(Ng)