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1材料:67截面:承载力:参数:抗拉,抗弯,抗压215N/mm^2高度H=912mm抗剪125N/mm^2宽度B=302mm端面承压325N/mm^2腹板厚度tw=18mm翼缘厚度tf=34mm转角r=28mm面积A=364cm^2A.弯矩:M-σC.Mx=350KN-mσ=272.49N/mm^2My=250KN-mf=215N/mm^2γx=1γy=1B.剪力:V-τV=450KNτ=30.67N/mm^2A,tf=102.68cm^2=τ=125N/mm^2a,tf=43.9cmS.tf=4507.65cm^3A,tw=75.96cm^215192mm^2a,tw=21.1cmτ=29.62N/mm^2S,tw=1602.76cm^3S=6110cm^31.04牌号厚度fftfce1Q235=16Q235=162151253252Q23516~4016~402051203253Q23540~6040~602001153254Q23560~10060~10019011032556Q345=16Q345=163101804007Q34516~3516~352951704008Q34535~5035~502651554009Q34550~10050~1002501454001011Q390=16Q390=1635020541512Q39016~3516~3533519041513Q39035~5035~5031518041514Q39050~10050~10029517041515A,web=H形/矩形=按矩形腹板16Q345=16Q345=1638022044017Q34516~3516~3536021044018Q34535~5035~5034019544019Q34550~10050~100325185440自重g=285.74KN/m惯性矩Ix=498000cm^4抗弯截量Wx=10900cm^3回转半径ix=37cm惯性矩Iy=15700cm^4抗弯截量Wy=1040cm^3回转半径iy=6.56cm集中荷载-局部应力F=250KNψ=1lz=320mma=10mmlz=a+5hy+2hRh,y=62mmh,R=0mmσc=43.40N/mm^2=f=215N/mm^21材料:28截面:承载力:参数:抗拉,抗弯,抗压215N/mm^2高度H=390mm抗剪125N/mm^2宽度B=300mm端面承压325N/mm^2腹板厚度tw=10mm翼缘厚度tf=16mm转角r=24mm面积A=136.7cm^2两侧向支撑情况两端弯矩时:15M1=300M2=-200βbλy=34.44近似计算:2500mmfy=235N/mm^2ψb=t1=16mmb1=300mmh=390mmψb,1=22.340.6ξ=0.34ψb,2=1.0571βb=2.300ψb=1.000稳定验算Mx=120KN-mσ=60.00N/mm^2My=0KN-m=ψb=1.000γy=1侧向无支撑长度l1=f=215N/mm^2牌号厚度fftfcefy1Q235=16Q235=162151253252352Q23516~4016~402051203252353Q23540~6040~602001153252354Q23560~10060~10019011032523556Q345=16Q345=163101804003457Q34516~3516~352951704003458Q34535~5035~502651554003459Q34550~10050~1002501454003451011Q390=16Q390=1635020541539012Q39016~3516~3533519041539013Q39035~5035~5031518041539014Q39050~10050~1002951704153901516Q345=16Q345=1638022044034517Q34516~3516~3536021044034518Q34535~5035~5034019544034519Q34550~10050~100325185440345自重g=107.31KN/m惯性矩Ix=39800cm^4抗弯截量Wx=2000cm^3回转半径ix=16.9cm惯性矩Iy=7210cm^4抗弯截量Wy=481cm^3回转半径iy=7.26cmKN-mσ=60.00KN-m近似计算:1.04312跨中无侧向支撑均布荷载作用在上翼缘0.690.133跨中无侧向支撑均布荷载作用在下翼缘1.73-0.245跨中无侧向支撑集中荷载作用在上翼缘0.730.186跨中无侧向支撑集中荷载作用在下翼缘2.23-0.2878跨度中点有一个侧向支撑点均布荷载作用在上翼缘1.159跨度中点有一个侧向支撑点均布荷载作用在下翼缘1.410跨中有一个侧向支撑点集中荷载作用在截面高度上任意位置1.751112跨中有不少于两个等距离侧向支撑点任意荷载作用在上翼缘1.213跨中有不少于两个等距离侧向支撑点任意荷载作用在下翼缘1.41415梁端有弯矩,但跨中无荷载作用16No.15:2.583333βb0.950.73441.331.66161.090.79151.672.13431.151.41.751.21.42.30001材料:32截面:承载力:参数:自重g=抗拉,抗弯,抗压215N/mm^2高度H=582mm惯性矩Ix=抗剪125N/mm^2宽度B=300mm抗弯截量Wx=端面承压325N/mm^2腹板厚度tw=12mm回转半径ix=翼缘厚度tf=17mm惯性矩Iy=转角r=28mm抗弯截量Wy=面积A=174.5cm^2回转半径iy=A.轴心受力:N=250KNσ=14.33N/mm^2A=17450mm^2=f=215N/mm^2N=250KNσ=8.60N/mm^2An=17450mm^2=f=215N/mm^2n1=8n=10C.实腹式轴心受压构件的稳定性N=250KNσ=349.43N/mm^2φ=0.041f=N/mm^2A=17450mm^2B.高强度螺栓摩擦型强度稳定牌号厚度fftfcefy1Q235=16Q235=162151253252352Q23516~4016~402051203252353Q23540~6040~602001153252354Q23560~10060~10019011032523556Q345=16Q345=163101804003457Q34516~3516~352951704003458Q34535~5035~502651554003459Q34550~10050~1002501454003451011Q390=16Q390=1635020541539012Q39016~3516~3533519041539013Q39035~5035~5031518041539014Q39050~10050~1002951704153901516Q345=16Q345=1638022044034517Q34516~3516~3536021044034518Q34535~5035~5034019544034519Q34550~10050~100325185440345136.98KN/m103000cm^43530cm^324.3cm7670cm^4511cm^36.63cm1材料:5截面:承载力:参数:抗拉,抗弯,抗压215N/mm^2高度H=200mm抗剪125N/mm^2宽度B=200mm端面承压325N/mm^2腹板厚度tw=8mm翼缘厚度tf=12mm屈服强度fy=235N/mm^2转角r=16mm弹性模量E=206000N/mm^2面积A=64.28cm^21截面类型2截面类型Lx=6000mmα1=0.41Ly=ix=86.14mmα2=0.986iy=λx=69.65α3=0.152λy=λn=0.75λn=Φx=0.841Φx=α1α2α31a类0.410.9860.152a类2b类0.650.9650.3b类3c类λn=1.050.730.9060.595c类λn=1.054λn1.050.731.2160.302c类λn1.055d类λn=1.051.350.8680.915d类λn=1.056λn1.051.351.3750.432d类λn1.05牌号厚度fftfcefy1Q235=16Q235=162151253252352Q23516~4016~402051203252353Q23540~6040~602001153252354Q23560~10060~10019011032523556Q345=16Q345=163101804003457Q34516~3516~352951704003458Q34535~5035~502651554003459Q34550~10050~1002501454003451011Q390=16Q390=1635020541539012Q39016~3516~3533519041539013Q39035~5035~5031518041539014Q39050~10050~1002951704153901516Q345=16Q345=1638022044034517Q34516~3516~3536021044034518Q34535~5035~5034019544034519Q34550~10050~100325185440345自重g=50.46KN/m惯性矩Ix=4770cm^4抗弯截量Wx=477cm^3回转半径ix=8.61433cm惯性矩Iy=1600cm^4抗弯截量Wy=160cm^3回转半径iy=4.99cm3000mmα1=0.6549.90mmα2=0.96560.12α3=0.30.650.80718材料:截面:67承载力:参数:自重g=285.74KN/m抗拉,抗弯,抗压340N/mm^2高度H=912mm惯性矩Ix=498000cm^4抗剪195N/mm^2宽度B=302mm抗弯截量Wx=10900cm^3端面承压440N/mm^2腹板厚度tw=18mm回转半径ix=37.00cm翼缘厚度tf=34mm惯性矩Iy=15700cm^4屈服强度fy=345N/mm^2转角r=28mm抗弯截量Wy=1040cm^3弹性模量E=206000N/mm^2面积A=364cm^2回转半径iy=6.56cm67FAB高度H=912mmC宽度B=302mm腹板厚度=18mmb翼缘厚度=34mm自重=286Kg/mL惯性矩Ix=498000cm^4抗弯截量Wx=10900cm^3弹性模量E=206000N/mm^2a=3mF=13KNb=3ma=3000mmL=6mb=3000mm39qAB高度H=175mm宽度B=90mm腹板厚度=5mmL翼缘厚度=8mm自重=18.2Kg/m惯性矩Ix=1220cm^4抗弯截量Wx=140cm^3弹性模量E=206000N/mm^2L=5.5mq=5.5KN/mL=5500mmaM,F=19.50KN-mM,自重=12.87KN-mR,A=6.50KNR,B=6.50KNM,c=32.37KN-m强度σ=2.97N/mm^2挠度ωc=0.06mm长度/挠度=105218计算结果M,q=20.80KN-mM,自重=0.00KN-mR,A=15.13KNR,B=15.13KNM,max=20.80KN-m强度σ=148.58N/mm^2挠度ωc=26.08mm长度/挠度=211计算结果30F高度H=482mm宽度B=300mmab腹板厚度=11mm翼缘厚度=15mm
本文标题:H型钢力学性能计算
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