Concrete filling and pouring method for connecting upper column section and lower column section of prefabricated steel reinforced concrete column: Fid-Bau Portal

Concrete filling and pouring method for connecting upper column section and lower column section of prefabricated steel reinforced concrete column

ZHU WEIHUA / LIAN JUN / CAO WUZHEN / WU YIWEN / WANG XIN

Abstract

The invention discloses a concrete filling and pouring method for connecting an upper column section and a lower column section of a prefabricated steel reinforced concrete column. The method is characterized in that filament sleeves and lug plates are used for connecting steel bars and a profile steel framework in upper and lower prefabricated steel reinforced concrete columns into a whole; a pisolite type grouting material is used for pouring a connecting area of the upper and lower columns to form an assembly type integral structure column; the filament sleeves are arranged on the reinforcing steel bars at the two ends of the upper and lower prefabricated steel reinforced concrete columns and are in screwed connection with the reinforcing steel bars; and floor steel beams welded with the profile steel framework are arranged at the upper parts of the upper and lower prefabricated profile steel concrete columns. Compared with the prior art, the concrete filling and pouring method for connecting the upper column section and the lower column section of the prefabricated steel reinforced concrete column has the advantages that joint connection is moved to the middle of the column, beam-column joints with complex structures are avoided, construction quality and stress safety are guaranteed, factory production of the prefabricated steel reinforced concrete column is achieved, production efficiency is high, quality is more controllable, and the problem that an existing steel reinforced concrete column structure is difficult to construct on site is well solved.

本发明公开了一种预制型钢砼柱上、下柱段连接的填浇混凝土方法，其特点是采用长丝套筒和耳板将上、下预制型钢砼柱中的钢筋和型钢骨架连接成一体，采用豆石型灌浆料将上、下柱的连接区浇灌实为装配式整体结构柱，所述长丝套筒设置在上、下预制型钢砼柱两端的钢筋上，且与钢筋为丝扣连接；所述上、下预制型钢砼柱的上部设有与型钢骨架为焊接的楼层钢梁。本发明与现有技术相比具有将节点连接移至柱中部，避开构造复杂的梁柱节点处，保证施工质量与受力安全，预制型钢砼柱实现工厂化生产，生产效率高，质量更可控，较好解决了现有型钢‑砼柱结构现场施工困难的问题。

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