管道計(jì)算書(ASME B31.3)

1、強(qiáng)度計(jì)算書工程名 ：PROJECT設(shè)備位號(hào)：ITEM設(shè)備名稱：EQUIPMENT圖號(hào)：DWG NO.設(shè)計(jì)單位：DESIGNER設(shè)計(jì)日期Designed byDate校核日期Checked byDate審核日期Verified byDate審定日期Approved byDateEmail: LijianweiAS計(jì)算單位強(qiáng)度計(jì)算書圖號(hào)A1一. 主管計(jì)算條件計(jì)算標(biāo)準(zhǔn): ASME B31.3-2006計(jì)算參數(shù)簡圖設(shè)計(jì)壓力P37MPaT設(shè)計(jì)溫度T280mmh主管內(nèi)徑dh277mm主管名義厚度Th50mmh厚度負(fù)偏差C11mmd腐蝕裕度C20mm質(zhì)量系數(shù)E1mm焊縫強(qiáng)度降低系數(shù)W1mm溫度

2、對(duì)壁厚的修正系數(shù)Y0.4mm主管材料名稱NAME16Mng主管設(shè)計(jì)溫度許用應(yīng)力S140MPa主管厚度計(jì)算厚度附加量Ch=C1+ C2= 1.0計(jì)算厚度th=P(dh +2Ch )=43.822SEW-P(1-Y)設(shè)計(jì)厚度tc = th + Ch = 44.82有效厚度te=Th- Ch= 49.0PAGE1Email: LijianweiAS計(jì)算單位強(qiáng)度計(jì)算書圖號(hào)A1二. 支管計(jì)算條件計(jì)算標(biāo)準(zhǔn): ASME B31.3-2006計(jì)算參數(shù)簡圖設(shè)計(jì)壓力P37MPa設(shè)計(jì)溫度T280mmTb支管內(nèi)徑db100mm支管名義厚度Tb35mmb厚度負(fù)偏差C12mmd腐蝕裕度C20mm質(zhì)量系數(shù)E1

3、mm焊縫強(qiáng)度降低系數(shù)W1mm溫度對(duì)壁厚的修正系數(shù)Y0.4mm管道材料名稱NAME16Mng管道設(shè)計(jì)溫度許用應(yīng)力S140MPa支管厚度計(jì)算厚度附加量Cb=C1+ C2= 2.0計(jì)算厚度tb=P(db +2Cb )=16.332SEW-P(1-Y)設(shè)計(jì)厚度tc = tb + Cb = 18.33有效厚度te=Tb- Cb= 33.0PAGE2Email: LijianweiAS計(jì)算單位強(qiáng)度計(jì)算書圖號(hào)A1三. 開孔補(bǔ)強(qiáng)計(jì)算條件計(jì)算標(biāo)準(zhǔn): ASME B31.3-2006計(jì)算參數(shù)簡 圖設(shè)計(jì)壓力P37MPadbTb設(shè)計(jì)溫度T280mm支管主管內(nèi)徑dh277mmh主管名義厚度Th50mmhw主

4、管厚度附加量Ch1.0mmTh主管尺寸L290mmL支管內(nèi)徑db100mmhd支管名義厚度Tb35mm主管支管厚度附加量Cb2.0mm支管高度h70mm焊縫高度hw20mm開孔補(bǔ)強(qiáng)計(jì)算有效補(bǔ)強(qiáng)寬度d1= db +2Cb= 102.0dbh =(Tb-Cb)+(Th- Ch)+d1/2 = 220.5d2d = MAX(d1 , dbh) = 220.5d2 = MIN(d , L) = 220.5有效補(bǔ)強(qiáng)高度h1 = 2.5(Th- Ch) = 122.5h2 = 2.5(Tb- Cb) = 82.5L4L4 = MIN(h , h1 , h2) = 70.0需要補(bǔ)強(qiáng)面積A1= th d1 = 4469.21主管補(bǔ)強(qiáng)面積A2 =（2d2 -d1）(Th - th - Ch) = 1757.45支管補(bǔ)強(qiáng)面積A3= 2L4(Tb tb Cb) = 2333.41焊縫補(bǔ)強(qiáng)面積A4= 2hw 2 = 800.0總補(bǔ)強(qiáng)面積A2+ A3 + A4= 4890.86 A1 , 滿足補(bǔ)