Prefabricated prestressed concrete frame beam column joint with U-shaped steel bar and sleeves

Abstract

The invention discloses a prefabricated prestressed concrete frame beam column joint with a U-shaped steel bar and sleeves. The prefabricated prestressed concrete frame beam column joint mainly comprises a prefabricated concrete beam, a prefabricated concrete column, prefabricated beam-bottom prestressed steel bars, prefabricated beam-bottom ordinary stressed steel bars, beam-top ordinary stressed steel bars, longitudinal steel bars in the column, the U-shaped steel bar and aseismic steel bars and the connecting sleeves thereof; post-casting sections are reserved at the two ends of the prefabricated beam, and the prestressed steel bars assembled at the bottom of the prefabricated beam stretch out of the beam ends and are anchored to the post-casting sections reserved at the beam ends to form the prefabricated concrete frame beam column joint with the prefabricated beam column through post-casting concrete. The ordinary stressed steel bars stretching out from the bottom of the beam are connected with the aseismic steel bars through the sleeves, the U-shaped steel bar is arranged on the post-casting area of the joint, and therefore the integrality of the beam column joint is enhanced. Accordingly, the production and construction difficulty is reduced, the section height or the steel dosage of the prefabricated concrete beam is decreased, and the integrality and aseismic property of the beam column joint are guaranteed.

Description

technical field [0001] The invention relates to a prefabricated prestressed concrete frame beam-column node connection structure with U-shaped tendons and sleeves, and belongs to the technical field of civil engineering prefabricated concrete structures. Background technique [0002] The frame structure is mainly constructed of beams, columns and beam-column joints, which is the most widely used structural form in construction engineering. The prefabricated prestressed concrete assembly integral frame structure system meets the requirements of "building industrialization, housing industrialization" and green buildings. This type of structural system has the advantages of fast construction speed, low environmental pollution, guaranteed quality, and good durability. features. [0003] The core technology of precast prestressed concrete assembly integral frame structure is the joint connection structure form of precast concrete beams and precast concrete columns, and its qual...

AI Technical Summary

Problems solved by technology

Most of the above prefabricated frame beam-column joint connection technologies have problems such as insufficient applicability and inconvenient construction, which makes the application advantages of prefabricated prestressed concrete assembly integral frame structures not obvious

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