DN（m 公称直径 外径 壁厚T （ 内径DI（ 管子截面惯性矩m) DW m) w) ( (cm4)25 32 3 26 11888.793632 38 3 32 20830.709840 45 3 39 35915.249750 57 3.5 50 86533.396165 73 3.5 66 189374.756580 89 4 81 395801. 108 4 100 724438. 133 5 123 . 159 6 147 . 219 7 205 . 273 7 259 . 377 325 7 7 363 311 .8033 . 400 426 8 410 . 478 8 462 133570015. 529 8 513 181930348. 630 8 614 309551267. 720 8 704 464284731. 820 6 802 771894883. 920 6 902 1094056206. 1020 10 1000 1656556687. 1220 10 1200 2848297717. 1420 10 1400 4506909020. 1620 10 1600 6709559234. 1820 10 1800 9533417000. 2020 10 2000 . 2220 10 2200 . 2420 10 10 2400 22503922012.1600 28584296386. 2600 2620 2820 10 2600 2800 35671721512.9600
3000 3020 10 .3600
公称直径 外径DN（m DW（m ）直霜 内径DI（ 管子截面抗弯矩m) m) mm) mm) (cm3)25 32 3 26 1857.624032 88 32 2740.882940 45 3 39 3990.583350 57 3.5 50 7590.648865 73 3.5 66 12970.873780 68 4 81 22236. 108 4 100 33538. 133 5 123 63471. 159 6 147 108809. 219 7 205 245078. 273 7 259 388195. 325 7 311 557026. 7 363 756287. 426 8 410 . 478 8 462 . 529 8 513 . 630 8 614 . 720 8 704 . 820 9 802 . 920 9 902 . 1020 10 1000 . 1220 10 1200 . 1420 10 1400 . 1620 10 1600 . 1820 10 1800 .0466
2000 2020 10 2000 . 2220 10 2200 . 2420 10 240046495706. 2620 10 2600 . 2820 10 2800 . 3020 10 3000 .3566
刚度条件下的直管跨距
管子单位长度荷载 管子单位长度自重 管子单位长度内容积（(KN/m) （KN/m） m3)26.2215 21.01574 0..2495 25.36382 0..1496 30.43659 0..4843 45.23215 0..3044 58.75952 0..6557 82.13047 0..4975 100.48904 0..1047 154.59853 0..1599 221.75226 0..1036 358.47534 0..3658 449.78509 0..5469 1640.3742 537.71301 625.64092 0. 0..2902 807.77731 0.131958502551.9666 908.26635 0.167553543033.4479 1006.82291 0.206587674105.1932 1202.00356 0.295941865192.5914 1375.92690 0.389058566716.3654 1763.14790 0.504915148245.9944 1980.55208 0.6386791410140.6080 2439.75802 0.7850000014012.1024 2922.87842 1.1304000018499.6648 3405.99882 1.5386000023603.2952 3889.11922 2.0096000029322.9936 4372.23962 2.5434000035658.7600 4855.36002 3.1400000042610.5944 5338.48042 3.7994000050178.4968 58362.4672 5821.60082 6304.72122 4. 5.3066000067162.5056 6787.84162 6.
强度条件下的直管跨距
管子单位长度荷载 管子单位长度自重 管子单位长度内容积（(KN/m) (KN/m) m3)26.2215 21.01574 0..2495 25.36382 0..1496 30.43659 0..4843 45.23215 0..304458.75952 0..6557 82.13047 0..4975 100.48904 0..1047 154.59853 0..1599 221.75226 0..1036 358.47534 0..3658 449.78509 0..5469 537.71301 0..3742 625.64092 0.103438672102.2902 807.77731 0.131958502551.9666 908.26635 0.167553543033.4479 1006.82291 0.206587674105.1932 1202.00356 0.295941865192.5914 1375.92690 0.389058566716.3654 1763.14790 0.504915148245.9944 1980.55208 0.6386791410140.6080 2439.75802 0.7850000014012.1024 2922.87842 1.1304000018499.6648 3405.99882 1.5386000023603.2952 3889.11922 2.0096000029322.9936 4372.23962 2.
