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.
对于那些已经吊装的桁架由于缺少靠近的通道，因此需要应用吊笼以提供螺栓连接和检验的安全通道。
Since there is no access to the installed truss, suspended cage is adopted to provide safe access for bolting and testing.
对于那些已经吊装的桁架由于缺少靠近的通道，因此需要应用吊笼以提供螺栓连接和检验的安全通道。
Since there is no access to the installed truss, suspended cage is adopted to provide safe access for bolting and testing.
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