摩擦型高强螺栓拉剪连接计算

y1-y6单位：米几何参数输入 b=220ef=0y1=0.15y4=0h=300ew=50y2=0.05y5=0h1=0a=80y3=0y6=0螺栓个数n=8tw=8螺栓直径d。20螺栓孔径=21.5荷载计算放大系数=1m=4M*y1/m∑yi2+N/n=Nt1*y4/y1+(1-y4/y1)N/n=Nt1=70.50Nt4=0.00Nt1*y2/y1+(1-y2/y1)N/n=Nt1*y5/y1+(1-y5/y1)N/n=Nt2=23.50Nt5=0.00Nt1*y3/y1+(1-y3/y1)N/n=Nt1*y6/y1+(1-y6/y1)N/n=Nt3=0.00Nt6=0.00

2N/n-Nt1=2N/n-Nt4=Nt1‘=-70.50Nt4‘=0.002N/n-Nt2=2N/n-Nt5=Nt2‘=-23.50Nt5’=0.002N/n-Nt3=2N/n-Nt6=Nt3’=0.00Nt6‘=0.00

0.8P=152N/n=0

β0.9nfμ(P-1.25Nt1)=Nvb1=50.43KN

∑Nvbi=β0.9nfμ∑(P-1.25Nti)=636.075KN

Nv1=29.375KN

1.1-(h+2ef)/150d。=β=1.00

计算结果Nt1<0.8P结论0满足要求Nvb1>Nv1结论1满足要求∑Nvbi1.伸臂端板厚度t≥2.两边支承类端板2-1.端板外伸时t≥2-2.端板平齐时t≥

√6efNt/bf=0mm

00

mmmm

√6efewNt/[ewb+2ef(ef+ew)]f=√12efewNt/[ewb+4ef(ef+ew)]f=

端板设置螺栓处构件腹板强度验算0.4P=76Nt2≤0.4P

满足要求

0.4P/ewtw=190截面尺寸单位：mm 仅需在粉红色区域输入数据材料参数输入荷载输入f=215M=47KN*mP=190V=235KNμ=0.55N=0KNnf=1