梁钢绞线理论伸长量计算

波汶管道：δcon=0.75*fPK=0.75*1860=1395MPa,A=140mm2，EP=1.95*105MPa1、N2钢绞线长为24.762m，θ=6.5*2*3.1416/360，波汶管道：=1171800*(1-e-(0.0015*24.762+0.25*0.113447))/(0.0015*24.762+0.25*0.113447)=1134245.229N=1134245.229*24762/(840*195000)=171.47mm每端伸长量6索为=17.147/2=8.57cm（设计8.69cm）2、N1钢绞线长为24.744m，θ=6.5*2*3.1416/360，波汶管道：=1367100*(1-e-(0.0015*24.744+0.25*0.113447))/(0.0015*24.744+0.25*0.113447)=1323303.77N=1323303.77*24744/(980*195000)=171.344mm每端伸长量7索为=17.1344/2=8.57cm（设计8.65cm）3、N3钢绞线长为24.699m，θ=4.5*2*3.1416/360，波汶管道：=1367100*(1-e-(0.0015*24.699+0.25*0.07854))/(0.0015*24.699+0.25*0.07854)=1329075.822N=1329075.822*24699/(980*195000)=171.778mm每端伸长量7索为=17.1778/2=8.59cm（设计8.64cm）二、抽芯成形孔道：1、（上）N2钢绞线长为24.762m，θ=6.5*2*3.1416/360，抽芯成形孔道：=1171800*(1-e-(0.0015*24.762+0.55*0.113447))/(0.0015*24.762+0.55*0.113447)=1115368.007N=1115368.007*24762/(840*195000)=168.613mm每端伸长量6索为=16.8613/2=8.43cm点2补、母（司中手）烤N1抓钢绞线长为会24.京744仓m强，津θ珍=6.5*2吓*3.141患6/36才0剂，公抽芯成形孔话道伞：写=知1堡367100滚*(1-e拨-(0.00戒15*24.稻744消+0.枣55胶*0.113跃4伏4级7)腔)/(0.0杨015*24尘.7轻44被+0.55*端0.1134鬼47)=1鼓301279爬.951柴N均=1鸡301279蠢.951迈*247快44缎/(租98怠0*1950查00)=猎168.逮492吗mm资每端伸长量犁7羽索才为助=16.8松492厘/2=祝8.4班2紫cm洁（墙中远）纪N1婆钢绞线长为悬24.犹744芦m消，京θ暂=6.5*2粱*3.141且6/36瓣0路，恒抽芯成形孔据道腥：值=捷1弊171800仇*(1-e碑-(0.00胖15*24.饲744血+0.筒55悔*0.113鞭4深4性7)叹)/(0.0费015*24波.744+0育.55*0.延113447未)=1115活382.81肿5N献=11153疯82.815臂*24744浪/(840*圆195000叔)=服168.49喜2mm挽每端伸长产量傅6哄索茅为芝=16.84兵92/2=蜓8.42cm倚3慕、芳（下）怀N3仿钢绞线长为锦24.孙699罩m末，割θ竟=遗4.5乔*2*3.1袍416/36静0幸，共抽芯成形孔泛道馅：孩=杏1汁367100唱*(1-e味-(0.00暑15*24.逮699夸+0.瘦55拒*0.软07854事)抱)/(0.0楼015*24卸.称699芽+0.55*牙0.肃07854混)=13娇13686.笼424吓N防=13结1