脚手架计算书

弯矩图(kN·m)

σ=γ0Mmax/W=1×0.467×106/5260=88.875N/mm2≤[f]=205N/mm2 满足要求！ 2、挠度验算 计算简图如下：

变形图(mm)

νmax＝0.193mm≤[ν]＝min[la/150，10]＝min[1200/150，10]＝8mm 满足要求！ 3、支座反力计算 承载能力极限状态 Rmax=3.327kN

五、扣件抗滑承载力验算

横杆与立杆连接方式 双扣件 扣件抗滑移折减系数 0.85 扣件抗滑承载力验算：

横向水平杆：Rmax=1×1.44kN≤Rc=0.85×12=10.2kN 纵向水平杆：Rmax=1×3.327kN≤Rc=0.85×12=10.2kN 满足要求！

六、荷载计算

立杆排号 1 2 3 4 5 立杆搭设高度Hs(m) 10.7 25 25 25 25 双立杆计算方式 不设置双立杆 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 双立杆计算高度h1(m) / 14 14 14 14 6 7 8 9 10 11 12 13 25 25 25 25 25 25 25 25 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 按双立杆受力设计 每米立杆承受结构自重标准值gk(kN/m) 14 14 14 14 14 14 14 14 双立杆不均匀系数K 0.6 0.129 立杆静荷载计算

1、立杆承受的结构自重标准值NG1k

立杆一:NG1k=(gk+lb×n/2×0.04/h)×H=(0.129+1.2×2/2×0.04/1.23)×10.7=1.795kN 立杆二:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆三:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆四:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆五:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆六:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆七:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆八:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆九:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆十:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆十一:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆十二:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 立杆十三:

单立杆NG1k=(gk+lb×n/2×0.04/h)×(H-h1)=(0.129+1.2×2/2×0.04/1.23)×(25-14)=1.845kN

双立杆NGs1k=(gk+lb×n/2×0.04/h)×h1=(0.129+1.2×2/2×0.04/1.23)×14=2.348kN 2、脚手板的自重标准值NG2k1 立杆

一:NG2k1=(H/h+1)×la×lb×Gkjb×1/2/2=(10.7/1.23+1)×1.2×1.2×0.35×1/2/2=1.222kN 立杆二:

单立杆NG2k1=((H-h1)/h+1)×la×lb×Gkjb×1/2/1=((25-14)/1.23+1)×1.2×1.2×0.35×1/2/1=2.506kN 双立杆

NGs2k1=(h1/h+1)×la×lb×Gkjb×1/2/1=(14/1.23+1)×1.2×1.2×0.35×1/2/1=3.12kN 立杆三:

单立杆NG2k1=((H-h1)/h+1)×la×lb×Gkjb×1/2/1=((25-14)/1.23+1)×1.2×1.2×0.35×1/2/1=2.506kN 双立杆

NGs2k1=(h1/h+1)×la×lb×Gkjb×1/2/1=(14/1.23+1)×1.2×1.2×0.35×1/2/1=3.12kN 立杆四:

单立杆NG2k1=((H-h1)/h+1)×la×lb×Gkjb×1/2/1=((25-14)/1.23+1)×1.2×1.2×0.35×1/2/1=2.506kN 双立杆

NGs2k1=(h1/h+1)×la×lb×Gkjb×1/2/1=(14/1.23+1)×1.2×1.2×0.35×1/2/1=3.12kN 立杆五:

单立杆NG2k1=((H-h1)/h+1)×la×lb×Gkjb×1/2/1=((25-14)/1.23+1)×1.2×1.2×0.35×1/2/1=2.506kN