銷軸節(jié)點計算書,,,,,,,,,

荷載參數(shù),N=,180,KN,,,,,,

耳板參數(shù),,,,,,,,,

B,a,b,t,,,,,,承載力

100,60,34.5,20,,,,,,

耳板強度（Q345B）,fy1,fv1,fcb,,,,,,

,310,180,310,,,,,,

銷軸參數(shù),,,,,,,,,

銷軸直徑,銷軸孔徑,,,,,,,,

d,d0,,,,,,,,

30,31,,,,,,,,

銷軸強度（Q345B）,fy2,fv2,,,,,,,

,310,180,,,,,,,

,,,,,,,,,,

構(gòu)造要求,,,,,,,,,

耳板兩側(cè)寬厚比b/t=,,1.73,＜4,滿足,,,,,

beff=2t+16=,,34.5,≤b,滿足,a≥4beff/3=,,46,滿足,

1.銷軸孔凈截面抗拉強度計算,,,,,,,,,

"b1=min(2t+16,b-d0/3)=",,,24.17,,,,,,

σ=N/2tb1=,,186.21,≤fy1,滿足,,,,,299.67

2.耳板端部抗拉（劈開）強度驗算,,,,,,,,,

,,114.41,≤fy1,滿足,,,,,487.73

3.耳板抗剪強度計算,,,,,,,,,

,,,73.89,,,,,,

τ=N/2tZ=,,60.90,≤fv1,滿足,,,,,532.02

4.銷軸承壓強度計算,,,,,,,,,

σc=N/dt=,300.00,≤fcb,滿足,,,,,,186.00

5.銷軸抗剪強度計算,,,,,,,,,

銷軸受剪面數(shù)目nv=,,2,,,,,,,

,,,127.32,≤fv2,滿足,,,,254.47

6.銷軸抗彎強度計算,,,,,,,,,

q=N/t=,9000,N/mm,,,,,,,

M=,450000,N.mm,,,,,,,1800000.00

σb=32M/(1.5πd3)=,,113.18,≤fy2,滿足,,,,,

7.彎剪時強度計算,,,,,,,,,

,,,0.80,≤1,滿足,,,,

Subject,耳板底部角焊縫驗算,,,,,2015/12/511:35,,,

1，基本參數(shù),,,,,,,,,

參數(shù)名稱,,,符號,數(shù)值,公制單位,說明/公式,,,

耳板所受拉力,,,FL,180,kN,計算書查得,,,

耳板孔心到耳板底長度,,,e,100,mm,,,,

拉桿（索）與角焊縫長度方向夾角,,,а,90,o度,,,,

角焊縫長度,,,L,120,mm,,,,

焊腳尺寸,,,hf,16,mm,,,,

焊縫受拉容許應(yīng)力,,,［σf］,200,N/mm2,,,,

焊縫受剪容許應(yīng)力,,,［τf］,200,N/mm2,,,,

2，計算參數(shù),,,,,,,,,

參數(shù)名稱,,,符號,數(shù)值,公制單位,說明/公式,,,

焊縫計算長度,,,Lw,70.0,mm,lw=L-2hf,,,

焊縫厚度,,,he,17.5,mm,he=0.7hf,,,

焊縫面數(shù),,,nf,2,,,,,

焊縫截面抵抗距,,,Wf,28583.3,mm3,Wf=nfLw2he/6,,,

FH,,,FH,300.0,kN,FH=Flsin(απ/180),,,

FV,,,FV,0.2,kN,FV=FLcos(απ/180),,,

焊縫所受彎矩,,,Mf,0.0,kNm,Mf=(e/103)FV,,,

正面角焊縫的強度設(shè)計值增大系數(shù),,,βf,1.22,,,,,

3，計算分析,,,,,,,,,

參數(shù)名稱,,,符號,數(shù)值,公制單位,說明/公式,,,

角焊縫截面正應(yīng)力,,,σf,123.3,N/mm2,σf=FH*103/（nfLwhe)+Mf*106/Wf,,,

角焊縫截面正應(yīng)力,,,τf,0.1,N/mm2,τf=FV*103/（nfLwhe）,,,

角焊縫截面綜合應(yīng)力,,,β,101.1,N/mm2,β=[(σf/βf)2+τf2]1/2,,,

4，計算結(jié)果判別,,,,,,,,,

參數(shù)名稱,,,符號,數(shù)值,公制單位,說明/公式,,,

角焊縫截面正應(yīng)力,,,σf,123.3,N/mm2,σf≤［σf］,,,

判別結(jié)果,,,滿足,,,,,,

角焊縫截面剪應(yīng)力,,,τf,0.1,N/mm2,τf≤［τ