Abstract：
Taking the construction practice of the southern and the northern building of Guangzhou New Library Project as carrier, detailed introductions are carried out on the relief of the strong constraint stress of welding steel connecting rods in inclined stiff closure structure through setting post-pouring belt, using top-down construction, adopting stress reducing devices, etc., which realizes the docking and constraint between the southern and the northern part, guarantees quality and process of the construction project, and delivers excellent results.
