Abstract：
The external wall of Changfa Building adopts curtain wall covering a total area of 21 000 m2, including the vertically-exposed and transversely-concealed curtain wall structure of the main building and transversely-exposed and vertically-concealed curtain wall structure of the podium building. Cross beam closing system and aluminium core insert are used to increase the reliability of the connection between the curtain wall system and the main frame, improve the safety performance and simplify the installation. Such system has high generality and favorable economic benefit.
