一、构件编号: 1(GL2与混凝土柱连接节点)
二、示意图
四、计算信息
1. 荷载信息 对钢梁计算得出钢梁与混凝土柱节点位置
剪力:Vy = 129.00 kN;
弯矩:M = 107.00kN-m
2. 计算参数
排列方式:均匀并列
化学锚栓:M20×260mm
锚栓列数:nc = 2; 锚栓列距:ec = 170mm;
锚栓行数:nr = 3; 锚栓行距:er = 240mm;
3. 计算锚栓单个受力 1)以锚栓群左下角点为原点的锚栓点位置坐标
x11 = 0; y11 = 0;
x12 = 170; y12 = 0;
x21 = 0; y21 = 240;
x22 = 170; y22 = 240;
x31 = 0; y31 = 480;
x32 = 170; y32 = 480;
2)计算锚栓群的形心位置
x0 = 85; y0 = 240;
3)计算受力最大的锚栓坐标
以最下一排锚栓为原点
yM11 = 0;
yM12 = 0;
yM21 = 240;
yM22 = 240;
yM31 = 480;
yM32 = 480;
yMmax = 480;
4)计算单个锚栓最大剪力
Nvyv = Vy/n = 129.00/6 = 21.50kN;
Nv = [(Nvxv+NvxT)2+(Nvyv+NvyT)2]1/2
= [(0.00+0.00)2+(21.50+0.00)2]1/2 = 21.50kN;
5)计算单个锚栓最大拉力
NtM = MyMmax/∑(yMij2) = 107.00×103×480/576000 = .17kN;
Nt = NtN+NtM = 0.00+.17 = .17kN;
单个M20×260mm锚栓满足计算最大受力要求。
一、构件编号: 2(除构件3位置外GL1与混凝土柱连接节点)
二、示意图
四、计算信息
1. 荷载信息 对钢梁计算得出钢梁与混凝土柱节点位置
剪力:Vy = 147.00 kN;
弯矩:M = 158.00kN-m
2. 计算参数
排列方式:均匀并列
化学锚栓:M20×260mm
锚栓列数:nc = 2; 锚栓列距:ec = 170mm;
锚栓行数:nr = 4; 锚栓行距:er = 190mm;
3. 计算锚栓单个受力 1)以锚栓群左下角点为原点的锚栓点位置坐标
x11 = 0; y11 = 0;
x12 = 170; y12 = 0;
x21 = 0; y21 = 190;
x22 = 170; y22 = 190;
x31 = 0; y31 = 380;
x32 = 170; y32 = 380;
x41 = 0; y41 = 570;
x42 = 170; y42 = 570;
2)计算锚栓群的形心位置
x0 = 85; y0 = 285;
3)计算受力最大的锚栓坐标
以最下一排锚栓为原点
yM11 = 0;
yM12 = 0;
yM21 = 190;
yM22 = 190;
yM31 = 380;
yM32 = 380;
yM41 = 570;
yM42 = 570;
yMmax = 570;
4)计算单个锚栓最大剪力
Nvyv = Vy/n = 147.00/8 = 18.38kN;
Nv = [(Nvxv+NvxT)2+(Nvyv+NvyT)2]1/2
= [(0.00+0.00)2+(18.38+0.00)2]1/2 = 18.38kN;
5)计算单个锚栓最大拉力
NtM = MyMmax/∑(yMij2) = 158.00×103×570/1010800 = .10kN;
Nt = NtN+NtM = 0.00+.10 = .10kN;
单个M20×260mm锚栓满足计算最大受力要求。
一、构件编号: 3(X-15~16、Y-15~17位置GL1与混凝土柱连接节点)
二、示意图
四、计算信息
1. 荷载信息 对钢梁计算得出钢梁与混凝土柱节点位置
剪力:Vy = 176.00 kN;
弯矩:M = 298.00kN-m
2. 计算参数
排列方式:均匀并列
化学锚栓:M24×300mm
锚栓列数:nc = 3; 锚栓列距:ec = 210mm;
锚栓行数:nr = 4; 锚栓行距:er = 210mm;
3. 计算锚栓单个受力 1)以锚栓群左下角点为原点的锚栓点位置坐标
x11 = 0; y11 = 0;
x12 = 210; y12 = 0;
x13 = 420; y13 = 0;
x21 = 0; y21 = 210;
x22 = 210; y22 = 210;
x23 = 420; y23 = 210;
x31 = 0; y31 = 420;
x32 = 210; y32 = 420;
x33 = 420; y33 = 420;
x41 = 0; y41 = 630;
x42 = 210; y42 = 630;
x43 = 420; y43 = 630;
2)计算锚栓群的形心位置
x0 = 210; y0 = 315;
3)计算受力最大的锚栓坐标
以最下一排锚栓为原点
yM11 = 0;
yM12 = 0;
yM13 = 0;
yM21 = 210;
yM22 = 210;
yM23 = 210;
yM31 = 420;
yM32 = 420;
yM33 = 420;
yM41 = 630;
yM42 = 630;
yM43 = 630;
yMmax = 630;
4)计算单个锚栓最大剪力
Nvyv = Vy/n = 176.00/12 = 14.67kN;
Nv = [(Nvxv+NvxT)2+(Nvyv+NvyT)2]1/2
= [(0.00+0.00)2+(14.67+0.00)2]1/2 = 14.67kN;
5)计算单个锚栓最大拉力
NtM = MyMmax/∑(yMij2) = 298.00×103×630/1852200 = 101.36kN;
Nt = NtN+NtM = 0.00+101.36 = 101.36kN;
单个M24×300mm锚栓满足计算最大受力要求。下载本文