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发明公开
CN108049302A 一种全焊钢箱与全栓桁架组合桥梁下弦钢箱梁的制造方法 有权

一种全焊钢箱与全栓桁架组合桥梁下弦钢箱梁的制造方法
摘要：
本发明涉及一种全焊钢箱与全栓桁架组合桥梁下弦钢箱梁的制造方法，所述制造方法包括如下步骤：（1）拼装胎架制作；（2）中心底板单元定位；（3）其它底板单元定位；（4）组焊横隔板单元及腹板单元；（5）组焊顶板单元；（6）组焊锚拉板单元；（7）组焊风嘴板单元；（8）组装下弦节点板；（9）钢箱梁节段预拼装和测量。本发明的优点在于：本发明拼装顺序，便于各节点的控制，同时，严格控制各节点的工艺参数，有效保证了下弦钢箱梁的拼装精度。
摘要（英）：

The invention relates to a manufacturing method of a lower chord steel box girder of a full-welded steel box and all-bolt truss combined bridge. The manufacturing method includes the following steps of (1) assembling scaffold manufacture, (2) center bottom board unit location, (3) other bottom board unit location, (4) diaphragm plate unit and web plate unit installation and welding, (5) top boardunit installation and welding, (6) tensile anchor plate unit installation and welding, (7) tuyere plate unit installation and welding, (8) lower chord gusset plate assembly, and (9) steel box girder segment pre-assembly and measurement. The method has the beneficial effects that each node is convenient to control due to the assembling sequence, meanwhile, the technological parameters of each nodeare strictly controlled, and the assembling accuracy of the lower chord steel box girder is effectively guaranteed.

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