This paper presents part type practice engineering about overseas mega steel structure system, and concludes some design notion of the system. They can supply reference for engineering design.

介绍了近年来国外高层建筑钢结构中巨型结构体系的部分典型工程实例，并归纳出该体系的部分设计概念，可供工程设计参考。

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Comparing with other structure systems, the significant character of steel mega frame is that it can be used to satisfy the special building forms and functions.

巨型钢框架结构相对其他结构体系而言，最显著的优点是可以满足大开洞的建筑功能要求。

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For the rare mega steel frame structure of Guangdong Science Center in the domestic, it presents a new type of mega steel joints with reinforced welded steel plate.

针对广东科学中心这一国内少见的巨型钢框架结构，对其新型结构框架节点进行了试验研究。

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