銷軸連接(-自編)

銷軸節(jié)點(diǎn)計(jì)算書,,,,,,,,,

荷載參數(shù),N=,148.5,KN,,,,,,

耳板參數(shù),,,,,,,,,

B,a,b,t,,,,,,承載力

91,30,30,25,,,,,,

耳板強(qiáng)度,fy1,fv1,fcb,,,,,,

,205,120,205,,,,,,

銷軸參數(shù),,,,,,,,,

銷軸直徑,銷軸孔徑,,,,,,,,

d,d0,,,,,,,,

30,31,,,,,,,,

銷軸強(qiáng)度,fy2,fv2,,,,,,,

,205,140,,,,,,,

,,,,,,,,,,

構(gòu)造要求,,,,,,,,,

耳板兩側(cè)寬厚比b/t=,,1.20,＜4,滿足,,,,,

beff=2t+16=,,30,≤b,滿足,a≥4beff/3=,,40,不滿足,

1.銷軸孔凈截面抗拉強(qiáng)度計(jì)算,,,,,,,,,

"b1=min(2t+16,b-d0/3)=",,,19.67,,,,,,

σ=N/2tb1=,,151.02,≤fy1,滿足,,,,,201.58

2.耳板端部抗拉（劈開）強(qiáng)度驗(yàn)算,,,,,,,,,

,,318.21,≤fy1,不滿足,,,,,95.66666667

3.耳板抗剪強(qiáng)度計(jì)算,,,,,,,,,

,,,42.78,,,,,,

τ=N/2tZ=,,69.43,≤fv1,滿足,,,,,256.67

4.銷軸承壓強(qiáng)度計(jì)算,,,,,,,,,

σc=N/dt=,198.00,≤fcb,滿足,,,,,,153.75

5.銷軸抗剪強(qiáng)度計(jì)算,,,,,,,,,

銷軸受剪面數(shù)目nv=,,1,,,,,,,

,,,210.08,≤fv2,不滿足,,,,98.96

6.銷軸抗彎強(qiáng)度計(jì)算,,,,,,,,,

q=N/t=,5940,N/mm,,,,,,,

M=,1856250,N.mm,,,,,,,1856250.00

σb=32M/(1.5πd3)=,,466.85,≤fy2,不滿足,,,,,

7.彎剪時(shí)強(qiáng)度計(jì)算,,,,,,,,,

,,,2.73,≤1,不滿足,,,,

Subject,耳板底部角焊縫驗(yàn)算,,,,,2014/4/289:33,,,

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,148.5,kN,計(jì)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,30,o度,,,,

角焊縫長度,,,L,250,mm,,,,

焊腳尺寸,,,hf,10,mm,,,,

焊縫受拉容許應(yīng)力,,,［σf］,160,N/mm2,,,,

焊縫受剪容許應(yīng)力,,,［τf］,160,N/mm2,,,,

2，計(jì)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(jì)算長度,,,Lw,230.0,mm,lw=L-2hf,,,

焊縫厚度,,,he,7,mm,he=0.7hf,,,

焊縫面數(shù),,,nf,2,,,,,

焊縫截面抵抗距,,,Wf,123433.3,mm3,Wf=nfLw2he/6,,,

FH,,,FH,74.2,kN,FH=Flsin(απ/180),,,

FV,,,FV,128.6,kN,FV=FLcos(απ/180),,,

焊縫所受彎矩,,,Mf,12.9,kNm,Mf=(e/103)FV,,,

正面角焊縫的強(qiáng)度設(shè)計(jì)值增大系數(shù),,,βf,1.22,,,,,

3，計(jì)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,127.3,N/mm2,σf=FH*103/（nfLwhe)+Mf*106/Wf,,,

角焊縫截面正應(yīng)力,,,τf,39.9,N/mm2,τf=FV*103/（nfLwhe）,,,

角焊縫截面綜合應(yīng)力,,,β,111.7,N/mm2,β=[(σf/βf)2+τf2]1/2,,,

4，計(jì)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,127.3,N/mm2,σf≤［σf］,,,

判別結(jié)果,,,OK,,,,,,

角焊縫截面剪應(yīng)力,,,τf,39.9,N/mm2,τf≤［τ