Assembled type butt joint of duplex type concrete-filled steel tube column and connection method

Abstract

The invention discloses an assembled type butt joint of a duplex type concrete-filled steel tube column. The butt joint includes a first joint connector, a second joint connector, a first channel steel connector and a second channel steel connector, wherein the first joint connector and the second joint connector are each composed of two front-surface connecting plates, two side-surface connecting plates and connection panels, the two front-surface connecting plates and the two side-surface connecting plates surround the periphery of an inner steel pipe through four connection laths and are symmetrically welded to the periphery of the inner steel pipe, and after welding is completed, the end portion of one end of each connecting plate is welded to the corresponding connection panel to form the butt joint of the upper-layer column body and the lower-layer column body. Bolted connection is adopted, traditional butt weld connection is abandoned, and construction and installation are convenient to conduct; prepared holes are used for post-pouring, and concrete can be conveniently and rapidly poured in the splicing portion; splicing of the joint connectors and the column can be completed in advance in a factory, and the degree of industrialization is high.

Description

technical field [0001] The invention relates to a splicing structure in building construction, in particular to an assembled butt joint of a composite steel pipe concrete column and a connection method thereof. Background technique [0002] At present, my country is in the stage of high-speed urbanization and industrialization development. Since the Ministry of Construction issued the "Implementation Outline of Construction Industrialization" in 1995, the Ministry of Housing and Urban-Rural Development has successively established "National Housing Industrialization Base" and "New Construction Industrialization Integrated Construction Engineering Technology Research Center" " and other bases, aiming to promote the process of my country's construction industrialization. To sum up, it can be seen that vigorously developing prefabricated building structures with convenient construction and good performance meets the needs of my country's national conditions, is of great signific...

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Problems solved by technology

For a high-rise building structure, a large number of welding operations in the traditional construction scheme are mostly carried out at high altitude, which requires high technical requirements for workers and has certain construction risks, thus increasing the cost of the building structure; there are many types of work involved in the construction, and the requirements for the construction site on site are high. , the coordinated construction requirements among various types of work are high; a large number of wet operations will not only prolong the construction period and slow down the construction progress of the structure, but the on-site construction cannot guarantee the pouring effect of the concrete in the steel pipe column; The requirements are high, and a large amount of human resources are required for management and coordination, which increases the cost of the building structure

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