管道跨距計算表

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Do鋼管外徑,325,設(shè)計壓力（Mpa）,2.5,管道中介質(zhì)密度N/m3,9800,,立管導向支架間的允許間距（某院內(nèi)定值，m）,,,,,,垂直管道最大導向間距,,水平管道最大導向間距,

S鋼管公稱壁厚,10,設(shè)計溫度,100,鋼管單位長度重量N/m,761.26,,公稱直徑,氣體管道,,液體管道,,,,,,

腐蝕裕量,1.5,許用應(yīng)力（Mpa）,130,,,,mm,不保溫,保溫,不保溫,保溫,,公稱直徑,最大間距,公稱直徑,最大間距

壁厚負偏差,0.125,Et彈性模量（Mpa）,191000,,,,25.0,4.3,3.4,4.0,3.4,,mm,m,mm,m

,,,,,,,40.0,5.2,4.0,4.6,3.7,,15,3.5,25,12.7

S管道壁厚,7.25,,,,,,50.0,5.8,4.6,4.9,4.3,,20,4,40,13.7

Di內(nèi)徑,310.5,,,,,,80.0,7.0,6.1,6.1,5.5,,25,4.5,50,15.2

W管道抗彎截面模量,562091.4966,,,,,,100.0,7.9,7.0,6.7,6.1,,40,5.5,65,18.3

I截面慣性距,91339868.2,,,,,,150.0,9.8,8.8,7.9,7.3,,50,6,80,19.8

qw管道中單位水重,715.64,,,,,,200.0,11.3,10.1,8.8,8.2,,80,7,100,22.9

q每米管道總重量,1476.90,,,,,,250.0,12.5,11.6,9.8,9.4,,100,8,150,24.4

σθ環(huán)向應(yīng)力,54.78,,,,,,300.0,13.7,12.8,10.4,10.1,,150,9,200,27.4

按照強度條件確定的管道最大允許跨距,,,,,,,350.0,14.6,13.4,10.7,10.4,,200,10,250,30.5

L，m,19.76,,,,,,400.0,15.5,14.3,11.3,11.0,,250,11,300,33.5

裝置內(nèi)安裝剛度條件確定的管道最大允許跨距,,,,,,,,,,,,,300,12,350,36.6

L，m,12.86,,,,,,,,,,,,350,13,400,38.1

裝置外按照剛度條件確定的管道最大允許跨距,,,,,,,,,,,,,400,14,450,41.4

L，m,15.82,,,,,,,,,,,,600,16,500,42.7

,,,,,,,,,,,,,800,18,600,45.7

,,,,,,,,,,,,,,,,,

,,,,,,,常用壁厚鋼管最大允許跨距參考值（某院內(nèi)定值）,,,,,,,,,

,,,,,,,DN,最大跨距(m),,,,,,,,

,,,,,,,,不保溫管道,,保溫管道,,,,,,

,,,,,,,,氣體管道,液體管道,氣體管道,液體管道,,,,,

,,,,,,,15,2.9,2.8,2.2,2.2,,,,,

,,,,,,,20,3.6,3.4,2.7,2.7,,,,,

,,,,,,,25,4.3,4.1,3.5,3.4,,,,,

,,,,,,,32,4.9,4.6,3.9,3.8,,,,,

,,,,,,,40,5.5,5.1,4.5,4.3,,,,,

,,,,,,,50,6.5,6.0,5.3,5.0,,,,,

,,,,,,,65,7.8,7.1,6.6,6.1,,,,,

,,,,,,,80,8.7,7.7,7.4,6.8,,,,,

,,,,,,,100,10.0,8.6,8.5,7.7,,,,,

,,,,,,,125,11.4,9.5,9.9,8.7,,,,,

,,,,,,,150,12.8,10.6,11.3,9.8,,,,,

,,,,,,,200,15.8,13.1,14.3,12.3,,,,,

,,,,,,,250,18.4,15.3,16.4,13.8,適用于壓力≤1.57MPa，溫度≤250℃，保溫材料容重≤150kg/m3,,,,

,,,,,,,300,20.6,16.8,18.9,15.9,,,,,

,,,,,,,350,22.6,18.0,20.8,17.2,,,,,

,,,,,,,400,23.6,18.8,22.0,18.1,,,,,

,,,,,,,管道壁厚10S的不銹鋼管道最大跨矩表,,,,,,,,,

,,,,,,,DN,最大跨距(mm),,,,,,,,

,,,,,,,,氣體介質(zhì),,液體介質(zhì),,,,,,

,,,,,,,,裸管,保溫,裸管,保溫,,,,,

,,,,,,,25,3900,2200,3450,2100,,,,,

,,,,,,,40,4850,2800,4000,2600,,,,,

,,,,,,,50,5450,3300,4300,3000,,,,,

,,,,,,,80,6700,4050,4950,3500,,,,,

,,,,,,,100,7650,4800,5300,4000,,,,,

,,,,,,,150,9400,5750,5950,4600,,,,,

,,,,,,,200,10750,6800,6450,5200,,,,,

,,,,,,,250,12000,7600,6950,5650,,,,,

,,,,,,,300,13000,8250,7350,6050,,,,,

,,,,,,,350,13750,8700,7600,6300,,,,,

,,,,,,,400,14700,9450,7750,6550,,,,,

,,,,,,,450,15650,10150,7850,6750,,,,,

,,,,,,,500,16450,11000,8400,7300,,,,,

,,,,,,,垂直管道最大跨距表,,,,,,,,,

,,,,,,,DN,最大跨距(mm),,,,,