3.6Pinned beam-to-column joint 2 (two columns of bolts)

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圆钢管柱与 H 型钢梁的铰接，连接板上布置两列高强螺栓，抗剪能力比单列更高；梁翼缘仍与柱脱开，节点只传剪力。

Parts

Key points

与单列螺栓的铰接相比，梁端剪力大时加到两列螺栓，连接板相应加宽，仍然是腹板单侧栓接。
连接板（耳板）按设计可做单耳板或双耳板；双耳板把梁腹板夹在中间，螺栓变成双剪，承载力更高。
紧固顺序：由连接板中间向两端或四周对称进行，初拧后再终拧。
两列螺栓的间距、边距要满足规范最小值，并给扳手留够操作空间。
梁翼缘不焊接，端头与柱外壁留出安装间隙；柱外圆环板仅为局部加强。

Compiled with reference to industry standard-practice atlases. Models are parametric and dimensions illustrative — follow the design drawings and current codes.

Pinned beam-to-column joint 1 (single column of bolts)Beam-to-column joint with horizontal knee braces