12215N/mm^2125mm抗剪125N/mm^2125mm端面承压325N/mm^26.5mm9mm10mm30.31cm^2A.C.Mx=350KN-mσ=7,892.68N/mm^2My=250KN-m>f=215N/mm^2γx=1γy=1B.V=450KNτ=609.36N/mm^2A,tf=11.25cm^2>τ=125N/mm^2a,tf=5.8cmS.tf=65.25cm^3按矩形腹板A,tw=3.4775cm^2A,web=695.5mm^2a,tw=2.675cmτ=647.02N/mm^2S,tw=9.30cm^3S=75cm^30.94牌号厚度fftfce1Q235<=16Q235<=162151253252Q235>16~40>16~402051203253Q235>40~60>40~602001153254Q235>60~100>60~10019011032556Q345<=16Q345<=163101804007Q345>16~35>16~352951704008Q345>35~50>35~502651554009Q345>50~100>50~1002501454001011Q390<=16Q390<=1635020541512Q390>16~35>16~3533519041513Q390>35~50>35~50315180415材料:截面:承载力:参数:抗拉,抗弯,抗压高度H=宽度B=腹板厚度tw=翼缘厚度tf=转角r=面积A=弯矩：M->σ剪力：V->τH形/矩形=14Q390>50~100>50~1002951704151516Q345<=16Q345<=1638022044017Q345>16~35>16~3536021044018Q345>35~50>35~5034019544019Q345>50~100>50~10032518544023.79KN/m847cm^4136cm^35.286263cm294cm^447cm^33.11cmF=250KNψ=1lz=105mma=10mmlz=a+5hy+2hRh,y=19mmh,R=0mmσc=366.30N/mm^2>f=215N/mm^2自重g=惯性矩Ix=抗弯截量Wx=回转半径ix=惯性矩Iy=抗弯截量Wy=回转半径iy=集中荷载-局部应力128215N/mm^2390mm抗剪125N/mm^2300mm端面承压325N/mm^210mm16mm24mm136.7cm^2两侧向支撑情况两端弯矩时：12M1=300-200βbλy=34.442500mmfy=235N/mm^2ψb=16mmb1=300mmh=390mmψb,1=11.65>0.6ξ=0.34ψb,2=1.046>1βb=1.200ψb=1.000稳定验算Mx=120KN-mσ=60.00N/mm^2My=0KN-m<=f=215N/mm^2ψb=1.000γy=1材料:截面:承载力:参数:抗拉,抗弯,抗压高度H=宽度B=腹板厚度tw=翼缘厚度tf=转角r=面积A=M2=近似计算侧向无支撑长度l1=t1=牌号厚度fftfce1Q235<=16Q235<=162151253252352Q235>16~40>16~402051203252353Q235>40~60>40~602001153252354Q235>60~100>60~10019011032523556Q345<=16Q345<=163101804003457Q345>16~35>16~352951704003458Q345>35~50>35~502651554003459Q345>50~100>50~1002501454003451011Q390<=16Q390<=1635020541539012Q390>16~35>16~3533519041539013Q390>35~50>35~5031518041539014Q390>50~100>50~1002951704153901516Q345<=16Q345<=1638022044034517Q345>16~35>16~3536021044034518Q345>35~50>35~5034019544034519Q345>50~100>50~100325185440345fy107.31KN/m39800cm^42000cm^316.9cm7210cm^4481cm^37.26cmKN-mσ=60.001.043自重g=惯性矩Ix=抗弯截量Wx=回转半径ix=惯性矩Iy=抗弯截量Wy=回转半径iy=KN-m近似计算:120.690.1331.73-0.2450.730.1862.23-0.2878跨度中点有一个侧向支撑点均布荷载作用在上翼缘1.1591.4101.7511121.2131.41415梁端有弯矩，但跨中无荷载作用16No.15:2.583333跨中无侧向支撑均布荷载作用在上翼缘跨中无侧向支撑均布荷载作用在下翼缘跨中无侧向支撑集中荷载作用在上翼缘跨中无侧向支撑集中荷载作用在下翼缘跨度中点有一个侧向支撑点均布荷载作用在下翼缘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βb0.950.73441.331.66161.090.79151.672.13431.151.41.751.21.42.3000132215N/mm^2582mm抗剪125N/mm^2300mm端面承压325N/mm^212mm17mm28mm174.5cm^2强度N=250KNσ=14.33N/mm^2A=17450mm^2<=f=215N/mm^2N=250KNσ=8.60N/mm^2An=17450mm^2<=f=215N/mm^2n1=8n=10稳定N=250KNσ=349.43N/mm^2φ=0.041>f=N/mm^2A=17450mm^2材料:截面:承载力:参数:自重g=抗拉,抗弯,抗压高度H=惯性矩Ix=宽度B=抗弯截量Wx=腹板厚度tw=回转半径ix=翼缘厚度tf=惯性矩Iy=转角r=抗弯截量Wy=面积A=回转半径iy=A.轴心受力:B.高强度螺栓摩擦型C.实腹式轴心受压构件的稳定性牌号厚度fftfce1Q235<=16Q235<=162151253252352Q235>16~40>16~402051203252353Q235>40~60>40~602001153252354Q235>60~100>60~10019011032523556Q345<=16Q345<=163101804003457Q345>16~35>16~352951704003458Q345>35~...
