Double-side-plate screw bolt node for beam column and assembly method

Abstract

The invention relates to a double-side-plate screw bolt node for a beam column and an assembly method. The double-side-plate screw bolt node comprises a first steel plate and a second steel plate, wherein the first steel plate and the second steel plate are symmetrically welded at the two sides of a multi-cavity steel pipe concrete combination column, and have the same structure; the first steel plate comprises a first section steel plate, a second section steel plate, a third section steel plate and a fourth section steel plate; the first section steel plate and the third section steel plate are symmetrically arranged at the two sides of the second section steel plate in an inclined way; the end parts of the first section steel plate and the third section steel plate are provided with a fourth section steel plate parallel to the second section steel plate; lug plates are arranged on the upper wing edge and the lower wing edge of the steel beam, and are connected with the four section steel plates; connecting angle steel is symmetrically arranged at the two sides of a web plate of the steel beam. The node provided by the invention has the advantages that the assembling degree is high; the multi-cavity steel pipe concrete combination post, the steel plate, the steel beam, the lug plates and the connecting angle steel can be prefabricated and completed in factories; the installing and welding workload is reduced; only the positioning assembly is needed in the field installation. The form of the node is simple; the assembling degree is high; the installation is convenient and fast.

Description

technical field [0001] The invention relates to a multi-cavity steel pipe concrete composite column structure system in the technical field of construction engineering, in particular to a double-side plate bolt joint and an assembly method for a beam column. Background technique [0002] The multi-cavity steel pipe concrete composite column composite structure system is a new type of steel pipe concrete composite column structure system that solves the problem of protruding column feet in residential systems. It has the advantages of high bearing capacity, good plasticity and toughness, and convenient construction. [0003] At present, my country's "Technical Regulations for Rectangular Concrete-filled Steel Tube Structures" (GECS159: 2004) provides steel-beam joints for concrete-filled steel tube composite columns, which mainly include inner diaphragm type and outer ring plate type. But so far, there are the following deficiencies in the connection between the steel pipe c...

AI Technical Summary

Problems solved by technology

Because when the side length is small, it is not only difficult to weld, but also hinders the concrete pouring in the pipe. In addition, the beam flange and the inner partition plate penetrate the weld on both sides of the same column wall, and the steel produces a large welding residual stress, which makes the steel at the joint easy to produce delamination or brittle failure

[0005] (2) Affect the appearance and use of buildings

And when applied to corner columns, the horizontal ring plate not only hinders the installation of wall panels, but also causes the reinforcement ring to protrude from the building facade, causing convex corners at the indoor and outdoor joints, which affects the look and feel, which needs to be solved by decoration or ceiling

[0006] (3) The mechanical properties of joints and the simplicity and economy of construction cannot be both

In practical applications, some types of joints have better mechanical properties, and the overall stiffness of the joints is also good, but the amount of materials is large and the construction is complicated

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