管道最大允許跨距表

1、不保溫管單位長(zhǎng)度計(jì)算載荷表公稱通徑mm直徑壁厚mm管道重kg/m凝結(jié)水重kg/m管道充滿水重kg/m不保溫管單位計(jì)算載荷氣體管N/m液體管N/m151820.7890.040.28.139.72231.410.040.214.2215.7920252.51.390.0620.3114.2416.672831.850.0660.3318.8321.38253232.150.110.5322.1626.28323.52.460.10.4925.128.93323832.590.160.826.9733.25383.52.980.150.7630.6936.67404533.110.211.232.

2、8542.27453.53.580.2241.1337.3146.1950573.54.620.391.9649.1364.535745.190.381.8854.6369.3465733.560.683.4265.5192.387346.810.663.3273.2599.33808948.381.035.1592.28132.68100108410.261.187.85112.19177.6125133412.731.8412.27142.88245.171501594.517.152.6517.67194.17341.46200219631.525.0533.65358.62639.09

3、250273745.927.962.69527.79967.03300325862.5411.2574.99723.621348.69350377763.8715.52103.5778.541641.32377872.815.35102.4864.451718.11377981.6815.15101949.571791.46400426772.3320133.3905.442016.52426882.4719.81321002.922103.21426992.5519.61130.71099.912189.32450478781.3125.4169.21046.462456.64478892.

4、7325.21681156.492556.864789104.125166.51266.022653.65500529790.1131.25208.31190.122926.375298102.8131206.71312.23035.215299115.4230.76205.11433.523143.196006309137.8144.12941783.014234.5763010152.8943.82921928.853143.1963011167.9143.522902073.44490.52不保溫管計(jì)算載荷為： 氣體管=（管材重+凝結(jié)水重）9.81 液體管+（管材重+管內(nèi)充滿水重）9.8

5、1保溫管道保溫結(jié)構(gòu)單位長(zhǎng)度重量表公稱通徑mm直徑壁厚mm保溫結(jié)構(gòu)單位長(zhǎng)度重量 kg/m容重 150kg/m3容重 250kg/m3容重 350kg/m3100150200250300100150200250300100150200250300152230.870.871.941.942.61.451.453.234.335.62.223.157.849.8412.08202830.960.962.072.783.571.61.63.415.955.952.243.4310.412.6715.19253230.991.022.182.883.721.652.584.86.157.682.313.

6、6110.7513.0615.61323831.111.113.063.063.891.752.785.18.058.053.895.3911.2716.2818.9404531.21.23.264.134.1322.985.438.488.484.175.7814.3517.0519.9550573.51.372.013.594.525.732.283.357.539.2311.14.696.4415.5421.4224.68657341.592.335.046.156.153.885.238.412.23 14.385.439.4620.1323.3530.45808941.832.635

7、.586.758.014.385.8511.25 13.35 15.638.1910.525.2728.9132.7310010842.12.996.27.478.494.986.612.417.2519.79.2411.76 27.5835.3539.7312513342.523.458.49.8911.455.757.581419.08 21.83 10.61 16.38 34.6938.8548.341501594.53.955.169.3910.98 12.686.588.618.324.124.85 15.12 18.41 38.1547.657.8920021965.096.57

8、11.66 15.45 17.57 10.98 13.63 25.83 29.2532.819.0827.251.3162.6574.5925027376.127.85 15.831820.34 13.08 16.18 30.083842.18 22.65 31.9265.178.0591.5630032587.079.08 18.02 20.55 25.73 15.13 18.63 34.184347.48 31.1836.47794.5109.693503779810.29 20.2425.828.66 16.65 21.08 42.95 52.75 57.95 35.18 47.25 8

9、8.59 103.95 120.5440042698.94 11.45 22.31 28.35 31.44 17.58 23.38 47.18 57.75 68.33 38.96 52.15 96.64121.8139.3645047899.96 12.68 27.71 31.05 37.86 21.13 30.75 51.686369.05 42.95 57.05114132.3151.315005299 10.92 13.83 30.1133.610.98 23.1333.556.08 68.25 81.18 46.8762.3123142.15 172.9460063011 12.83

10、19.834.94347.227.13971.68 58.7898.154.64 72.24 151.41 173.39 196.28注：計(jì)算依據(jù)：（1）100、150為室外架空熱水采暖管道； （2）200300為室外架空蒸汽管道； （3）經(jīng)濟(jì)保溫厚度熱價(jià)按7元/106kJ。保溫蒸汽管道最大允許跨距表（p=1.3MPa t=200）公稱通徑mm外徑壁厚 mm管道單位長(zhǎng)度計(jì)算載荷N/m強(qiáng)度條件計(jì)算最大跨距m剛度條件計(jì)算最大跨距m允許最大跨距推薦值m容重 150 容重 250 容重 350 容重 150容重 250容重 350 容重 150 容重 250 容重 350容重 150 容重 250容重

11、 3501522333.2445.991.12.832.411.711.841.661.321.81.61.32028339.1352.27120.833.4731.962.32.091.582.32.11.52532343.5469.22125.133.853.052.272.552.181.792.52.21.83238356.9877.98137.494.083.512.632.812.542.092.82.52.14045364.828.61173.574.624.012.823.232.942.323.22.92.350573.584.34122.97201.525.584.623.

12、613.963.492.9643.5365734122.67155.63270.666.415.694.314.724.363.624.74.33.680894147202.6340.097.246.164.765.464.914.135.44.94.11001084172.99233.79382.658.27.055.516.335.734.866.35.74.81251334225.26280.17483.078.948.026.117.196.685.577.26.76.61501594.5 286.25373.63568.2910.088.827.168.277.576.588.27.

13、66.62002196472.96612.12861.7912.4910.989.2510.629.748.6910.69.78.72502737683.03822.771166.214.0412.7910.7412.3511.6110.3312.311.610.33003258900.43 1058.81 1478.7215.5814.3712.1614.0313.2911.891413.311.935037791148.05 1370.76 1818.331715.5613.5115.6214.7213.415.614.713.440042691318.68 1562.58 2047.61

14、1816.5314.4416.915.9714.616.916.614.445047891537.76 1772.82 2383.9718.7417.4615.0518.0517.2115.591817.21550052991728.88 1983.47 2039.7320.4818.3415.8919.2618.416.7219.218.415.960063011 2415.65 2775.83558.221.8420.3717.9921.9120.9219.2521.820.319.2注：1.管道保溫材料容重單位：kg/m3 2.管道橫向焊縫系數(shù)=0.7 3.管材許用應(yīng)力=101MPa (

15、10#鋼) 4.鋼材彈性模數(shù)Et=1.81105MPa 5.放水坡度i0=0.002保溫蒸汽管道最大允許跨距表（p=1.3MPa t=250）公稱通徑mm外徑壁厚 mm管道單位長(zhǎng)度計(jì)算載荷N/m強(qiáng)度條件計(jì)算最大跨距m剛度條件計(jì)算最大跨距m允許最大跨距推薦值m容重 150 容重 250 容重 350 容重 150容重 250容重 350 容重 150 容重 250 容重 350容重 150 容重 250容重 3501522333.2456.68110.722.952.21.621.811.511.211.81.51.22028346.0977.18143.083.342.581.92.141.8

16、1.472.11.81.42532350.482.47150.233.752.922.162.382.021.652.421.63238356.98105.91186.624.263.132.362.762.241.862.72.21.84045373.35116.01200.054.533.62.743.042.612.1732.62.250573.593.46139.64259.195.534.523.323.763.292.673.73.32.665734133.56193.18301.256.415.334.274.63.983.434.543.480894158.47223.2375

17、.797.276.134.725.234.673.925.24.63.91001084185.44281.35458.858.276.715.266.075.284.4965.34.51251334239.87330523.859.057.716.126.916.215.326.96.25.31501594.5 301.85430.51660.9610.248.586.927.977.086.1487.16.12002196510.18645.4697312.5511.169.0910.169.398.1910.19.38.22502737704.31900.43 1293.1914.4312

18、.7610.0511.9911.059.7912119.83003258925.141146.3 1650.3416.0414.4212.0113.6412.7111.2513.612.711.235037791202.58 1466.87 1968.9617.3315.6913.5515.0914.1212.815.114.112.840042691377.93 1666.24 2294.3518.3716.7114.2416.3415.3413.7916.315.313.845047891570.51 1883.83 2563.4319.3617.6715.1517.5816.5514.9

19、417.616.51550052991763.02 2102.82 2830.4620.318.5916.0218.7717.716.0318.717.716600630112495.12914.6 3773.7622.4220.7518.2321.2720.1918.5321.220.218.2注：1.管道保溫材料容重單位：kg/m3 2.管道橫向焊縫系數(shù)=0.7 3.管材許用應(yīng)力=110MPa (20#鋼) 4.鋼材彈性模數(shù)Et=1.71105MPa 5.放水坡度i0=0.002保溫蒸汽管道最大允許跨距表（p=1.3MPa t=300）公稱通徑mm外徑壁厚 mm管道單位長(zhǎng)度計(jì)算載荷N/m強(qiáng)

20、度條件計(jì)算最大跨距m剛度條件計(jì)算最大跨距m允許最大跨距推薦值m容重 150 容重 250 容重 350 容重 150容重 250容重 350 容重 150 容重 250 容重 350容重 150 容重 250容重 3501522339.7169.14132.682.591.961.421.691.411.131.71.41.12028353.8477.18167.792.962.471.682.011.791.3821.81.42532358.6494.47175.243.322.611.922.251.921.562.21.91.53238365.11105.91212.313.8232.1

21、22.622.221.762.62.21.74045373.35116.01228.494.343.452.463.012.592.0632.6250573.5105.32157.98291.164.994.0832.583.132.553.63.12.565734133.56214.27371.856.144.853.684.463.813.174.43.83.180894170.83245.56413.256.715.64.325.064.483.7754.53.71001084195.45305.38501.87.726.174.825.925.14.325.95.14.31251334

22、255.16357.15616.938.47.15.46.71656.7651501594.5 318.52437.86761.879.568.156.187.776.995.817.775.82002196530.92681.26 1090.0911.7910.418.229.949.157.829.99.17.82502737727.26941.43 1425.6813.611.969.7211.7710.89.4111.710.89.43003258975.94 1189.23 1799.314.9713.5611.0213.312.4510.8413.312.410.835037791

23、230.63 1517.86 2131.6516.4214.7812.4714.8613.8512.3714.813.812.440042691408.23 1720.96 2471.4517.4215.7513.1516.115.0613.3516.11513.245047891637.3 1943.16 2749.8518.1616.6714.0217.2116.2514.4817.216.21450052991835.39 2229.62 3129.4619.0617.314.618.3817.2215.3818.317.214.6600630112536.32986.43998.221

24、.3119.6416.9720.9919.8718.032119.617注：1.管道保溫材料容重單位：kg/m3 2.管道橫向焊縫系數(shù)=0.7 3.管材許用應(yīng)力=110MPa (20#鋼) 4.鋼材彈性模數(shù)Et=1.67105MPa 5.放水坡度i0=0.002保溫液體管道最大允許跨距表（t=100）公稱通徑mm外徑壁厚 mm管道單位長(zhǎng)度計(jì)算載荷N/m強(qiáng)度條件計(jì)算最大跨距m剛度條件計(jì)算最大跨距m允許最大跨距推薦值m容重 150 容重 250 容重 350 容重 150容重 250容重 350 容重 150 容重 250 容重 350容重 150 容重 250容重 3501522324.3230

25、37.563.473.122.792.121.971.832.121.8公稱通徑mm外徑壁厚 mm2028330.7937.0743.354.13.743.462.582.422.32.62.42.32532335.9842.4648.934.444.093.812.812.662.532.82.62.63238344.1450.4171.44.874.553.833.163.032.693.132.74045354.0461.8883.165.34.964.283.543.393.073.53.4350573.577.9688.89110.526.085.765.114.24.053.744

26、.243.765734114.92137.38152.586.946.356.024.984.694.5354.74.580894160.63175.632137.496.946.35.65.324.995.65.351001084198.19226.43268.218.037.516.96.265.995.666.265.71251334269.88301.56349.228.578.17.5376.746.4276.76.41501594.5380.2405.98489.749.178.878.087.787.617.157.87.67.12002196689.01746.77826.21

27、0.8510.429.919.689.439.119.79.49.125027371027.04 1095.29 1189.141211.6211.1511.1410.9110.6111.110.910.630032581418.03 1497.07 1654.5613.0212.6712.0512.4712.2411.8412.512.211.835037791870.5 1954.74 2136.4513.9613.6613.0613.7213.5213.1313.713.513.140042692276.98 2361.71 2571.3814.3614.113.5114.5714.39

28、13.9914.314.113.545047892751.33 2860.86 3074.8414.6914.413.915.3715.1714.8114.714.413.950052993250.28 3370.02 3620.8315.0214.7514.2316.1315.9415.561514.814.260063011 4616.34 4756.35026.316.5616.3115.8718.2518.0717.7416.516.315.8注：1.管道保溫材料容重單位：kg/m3 2.管道橫向焊縫系數(shù)=0.7 3.管材許用應(yīng)力=111MPa (Q235A) 4.鋼材彈性模數(shù)Et=2

29、.0105MPa 5.放水坡度i0=0.002保溫液體管道最大允許跨距表（t=150）公稱通徑mm外徑壁厚 mm管道單位長(zhǎng)度計(jì)算載荷N/m強(qiáng)度條件計(jì)算最大跨距m剛度條件計(jì)算最大跨距m允許最大跨距推薦值m容重 150 容重 250 容重 350 容重 150容重 250容重 350 容重 150 容重 250 容重 350容重 150 容重 250容重 3501522324.323046.683.473.122.52.11.961.692.11.91.72028330.7937.07554.13.743.072.562.412.112.52.42.12532336.2851.5861.684.4

30、23.713.382.782.472.332.82.52.33238344.1460.5186.114.874.163.483.142.832.513.12.82.54045354.0471.4998.955.343613.923.523.212.883.53.22.950573.584.2497.38127.685.855.444.754.073.883.544.13.93.565734122.18150.621926.736.065.374.854.524.174.94.54.280894158.47190.05235.657.316.675.995.475.754.795.55.14.8

31、1001084206.92242.32292.937.867.266.616.135.815.466.15.85.41251334279319.5405.88.437.876.996.876.576.076.96.66.11501594.5 392.06425.85229.038.667.837.657.446.957.67.472002196703.51772.75905.8310.7410.249.469.559.268.789.59.28.825027371044.01 1125.7 1280.0611.911.4610.751110.7310.281110.710.330032581437.73 1531.39 1705.6512.9312.5311.8712.3312.0711.6412.312.111.635037791892.37 1998.18 2254.8213.8813.5112.7113.5813.3312.8113.613.312.740042692301.62418.6 2700.7314.2813.9313.1814.4214.1813.6714.313.913.2450478927782955.