烟道加强肋计算书(样本)

烟道加强肋计算,,,,,,,,

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零件尺寸,mmxmm,8000x7000x6,,,,,,

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内撑形式,w(宽)=,8000,支撑数,0,计算宽W=,8,8,m

,d(高)=,7000,支撑数,0,计算高D=,7,7,m

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设计压力KPa,8.79,9.7,,,,,,

基本风压,0,0.6,,,,,,

雪载荷,0,-0.35,,,,,,

积灰高度mm,300,300,,,,,,

壁板厚度,6,6,,,,,,

保温厚度mm,200,200,,,,,,

[]t,66,119,,,,,,

Et,160,196,,,,,,

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压力方向,通道壁板,q0介质设计压力Kpa,q1壁板重量载荷KN/m,q2保温重量载荷,q3积灰载荷,风、雪载荷,壁板设计压力,组合荷载

正（向上）,顶板,8.79,-0.75,-0.39,0,0,7.65,6.69

负（向下）,,-8.79,-0.75,-0.39,0,0,-9.93,-8.97

正（向外）,侧板,8.79,0,0,0,0,8.79,10.23

负（向内）,,-8.79,0,0,0,0,-8.79,-10.23

正（向上）,底板,8.79,0.75,0.39,3,0,12.93,11.97

负（向下）,,-8.79,0,0,0,0,-8.79,-7.83

风荷载计算,,,,,,,,

压力方向,通道壁板,q4雪载荷,q5基本风压,Us,Uz,风载荷,,

正（向上）,顶板,0,0,0.7,1.2,0,0,

负（向下）,,0,0,0,1.2,0,0,

正（向外）,侧板,0,0,0.5,1.1,0,0,

负（向内）,,0,0,-0.8,1.1,0,0,

正（向上）,底板,0,0,0.7,1,0,0,

负（向下）,,0,0,0,1,0,0,

加固肋间距（强度条件）,,,,,,,,

,顶板,侧板,底板,,Smax=44.72xδx([σ]t/Σq)1/2+50,,,

壁板厚度,6,6,6,δ(mm),,,,

设计温度下钢板的许用应力,66,66,66,[σ]t(Mpa),,,,

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壁板设计压力,9.93,8.79,12.93,Σq(Kpa),,,,

加固肋间距,742,785,656,Smax(mm),,,,

加固肋间距（刚度条件）,,,,,,,,

,顶板,侧板,底板,,Smax=54.8xδx（E/Σq)1/3+50,,,

壁板厚度,6,6,6,δ(mm),,,,

设计温度下钢材的弹性模量,160,160,160,E(KN/mm2),,,,

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壁板设计压力,9.93,8.79,12.93,Σq(Kpa),,,,

加固肋间距,880,915,811,Smax(mm),,,,

加固肋间距（振动条件）,,,,,,,,

,顶板,侧板,底板,,Smax=116xδ1/2xE1/4+50,,,

壁板厚度,6,6,6,δ(mm),,,,

设计温度下钢材的弹性模量,160,160,160,E(KN/mm2),,,,

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壁板设计压力,9.93,8.79,12.93,Σq(Kpa),,,,

加固肋间距,1061,1061,1061,Smax(mm),,,,

加固肋间距求小(单位m),,,,,,,,

,顶板,侧板,底板,,取较小值（S）,,,

设计类型,二类,二类,二类,,,,,

控制S0,741.7519448,785.2424533,656.2137052,,,,,

控制小数点后3位,742,785,656,,656,,,

加固肋选择（强度条件）,,,,,,,,

设计温度下钢板的许用应力,66,66,66,[σ]t(Mpa),固接Zmin=L*L*Σqdl*S/([σ]t*3464*3464),,,

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加固肋间距,656,656,656,S（mm）,,,,

组合设计荷载,8.97,10.23,11.97,Σq(Kpa),,,,

跨度,8000,7000,8000,Lmax(mm),,,,

最小断面系数,475,415,634,Zmin(cm3),,,,50?

加固肋选择（刚度条件）,,,,,,,,

设计温度下钢材的弹性模量,160,160,160,E(KN/mm2),固接Imin=L*L**L**Σq*S/(E*1566*1566*1566),,,

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加固肋间距,656,656,656,S（mm）,,,,

壁板设计压力,9.93,8.79,12.93,Σq(Kpa),,,,

跨度,8000,7000,8000,Lmax(mm),,,,

断面惯性矩,5428,3219,7068,Imin(cm4)?,,,,50?

加固肋选择（振动条件）,,,,,,,,

G(kg/m),20.28,20.28,20.28,,,,,

频率控制长度m,7.80,6.84,8.33,,,,,

加固肋选择（负压道体失稳）,,,,,,,,

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结论,,,,,,,,

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,最小截面系数Wmin=,,415,cm3,,540,250X175,

,最大截面惯性矩Imax=,,7068,cm4,,8651,,

,频率控制长度Lmin=,,6.84,m,查表T3.5,,,

,负压不