Cold-formed thin-walled steel-polypropylene tie bar PEC shear wall: Fid-Bau Portal

Cold-formed thin-walled steel-polypropylene tie bar PEC shear wall

YU JINGUANG / ZHANG PEIZHOU / LIANG JIANYONG

The invention discloses a cold-formed thin-walled section steel-polypropylene tie bar PEC shear wall which comprises a middle framework, the middle framework comprises two necking type profiled steel sheets, necking openings in the two necking type profiled steel sheets are in one-to-one correspondence, and the two necking openings are connected with the middle framework. The two ends of the middle framework are each provided with two pieces of cold-formed thin-walled C-shaped steel, a web plate of the first piece of cold-formed thin-walled C-shaped steel abuts against the first piece of necking-down type profiled steel plate, and a web plate of the second piece of cold-formed thin-walled C-shaped steel abuts against the second piece of necking-down type profiled steel plate. The web plate of the first cold-formed thin-walled C-shaped steel abuts against the first necking-down profiled steel sheet, the web plate of the second cold-formed thin-walled C-shaped steel abuts against the second necking-down profiled steel sheet, the connecting piece sequentially penetrates through the web plate of the first cold-formed thin-walled C-shaped steel, the first necking-down profiled steel sheet, the second necking-down profiled steel sheet and the second cold-formed thin-walled C-shaped steel, and the shear wall has high ductility and does not have welding residual stress.

本发明公开了一种冷弯薄壁型钢‑聚丙烯系杆PEC剪力墙，包括中间骨架，其中，所述中间骨架包括两块缩口式压型钢板，其中，两块缩口式压型钢板上的各缩口一一对应，且第一块缩口式压型钢板上的各缩口与第二块缩口式压型钢板上的对应缩口相扣合，以形成若干通道，中间骨架的两端均设置有两块冷弯薄壁C形钢，其中，第一块冷弯薄壁C形钢的腹板背靠于第一块缩口式压型钢板上，第二块冷弯薄壁C形钢的腹板背靠于第二块缩口式压型钢板上，连接件依次穿过第一块冷弯薄壁C形钢的腹板、第一块缩口式压型钢板、第二块缩口式压型钢板及第二块冷弯薄壁C形钢，该剪力墙具有较高的延性且不存在焊接残余应力。

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