Steel pipe prestressed concrete member, connecting structure and application method: Fid-Bau Portal

Steel pipe prestressed concrete member, connecting structure and application method

LIU SHUNXIN

The invention discloses a steel pipe prestressed concrete member, a connecting structure and an application method. The steel pipe prestressed concrete member comprises a hollow pipe; flange plates are fixed to the two ends of the hollow pipe, and prestress penetrating holes are formed in the flange plates. A prestressed tendon is arranged in the hollow pipe, the two ends of the prestressed tendon penetrate out of the two corresponding prestressed penetrating holes, the hollow pipe or the flange plate is provided with a feeding hole, and concrete filling bodies are poured into the hollow pipe through the feeding hole so that the prestressed tendon can be fixed in the hollow pipe. The steel pipe prestressed concrete member is used as a building main body column to form a beam column assembly structure, a vertical column butt joint structure or a steel frame structure. The beam column assembly structure or the vertical column butt joint structure or the steel frame structure form is firstly connected through all parts to form a steel assembly structure, steel bars are arranged in a penetrating mode according to requirements, and then concrete is poured. The advantages of assembly are reserved in overall construction, the structural strength and stability are higher, and construction is easy, convenient and reliable.

本发明公开了一种钢管预应力混凝土构件及连接结构和应用方法，钢管预应力混凝土构件包括空心管；空心管两端均固定有法兰板，法兰板上开设有预应力穿孔；空心管内布置有预应力筋，预应力筋的两端端头穿出对应的两个预应力穿孔，空心管或法兰板设置有进料孔，并通过其向空心管内灌注混凝土填充体将预应力筋固定在空心管内。上述的一种钢管预应力混凝土构件作为建筑主体柱，组成梁柱装配结构，或竖向柱体对接结构，或钢框架结构形式。梁柱装配结构，或竖向柱体对接结构，或钢框架结构形式先通过各部件连接形成钢组装结构，并根据需求穿设钢筋，再浇灌混凝土。整体施工保留了装配式优势，且具有更强的结构强度和稳定性，且施工简单、方便、可靠。

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