探索出圆拱形管桁架的分段制作、现场拼接技术，首次开发了单榀桁架非稳定性吊装技术。
It gave a research result on the manufacture technology of arch tube truss, and put forward firstly the instability hoisting technology of single truss.
为使厂内制作的钢管桁架各构件满足设计要求，保证现场顺利拼接，借助计算机模型进行钢管桁架空间圆弧的放样和大直径钢管的火焰加工、厂内预组装；
Following sequences were done by SCK in order to keep shop fabricated steel tube trusses and other parts meet with the requirement of design and site assembly.
同时，由于钢桁架较高，在完成其上弦拼接时，施工人员必须在专用的移动平台上进行作业。
Meanwhile, because the steel trusses are relatively high, it is mandatory that constructors carry out the work on special-purposed mobile platforms while fixing the upper booms.
介绍了基于性能的节点设计原则，研究了伸臂桁架与巨型柱连接节点、环带桁架螺栓拼接节点两类典型节点。
Secondly, the design of two typical joint of the mega frame, the joint of outrigger to super-column and the long bolt joint of the belt truss, were checked.
介绍了基于性能的节点设计原则，研究了伸臂桁架与巨型柱连接节点、环带桁架螺栓拼接节点两类典型节点。
Secondly, the design of two typical joint of the mega frame, the joint of outrigger to super-column and the long bolt joint of the belt truss, were checked.
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