Prefabricated concrete column in butting connection by steel nodes

Abstract

The invention discloses a prefabricated concrete column in butting connection by steel nodes. The prefabricated concrete column comprises a prefabricated concrete column body, a first steel node positioned at one end of the prefabricated concrete column body, and a second steel node positioned at the other end of the prefabricated concrete column body, wherein the first and second steel nodes are matched. As the first steel node and the second steel node are additionally arranged at the two ends of the prefabricated concrete column body, two sections of prefabricated concrete columns can be quickly matched and connected by using a principle of mutual matching of the first and second steel nodes; and then, the matched place is fixed through electric welding, so that the butting connection between the two sections of prefabricated concrete columns can be guaranteed, the traditional scene butting wet operation of prefabricated concrete columns is prevented, and the construction efficiency is quickened. The prefabricated concrete column is simple in structure and low in cost; and after the steel nodes are used for connecting, the node stress and the node ductility are improved.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a prefabricated concrete column connected by butt joints of steel nodes. Background technique [0002] Prefabricated concrete structure has the advantages of standardized design, prefabricated production, and assembled construction. It is a structural type that conforms to the industrialized production mode of construction. [0003] In the precast concrete structural system widely used at present, it is often necessary to butt-connect multi-section concrete columns in sequence to realize the precast concrete structural system. Among them, there are two ways for the butt connection between the upper and lower precast concrete columns. One way is to assemble the formwork on site and then pour concrete to realize the connection. The other way is to use grout anchors to connect the upper and lower precast concrete columns. For concrete columns, the above two constru...

AI Technical Summary

Problems solved by technology

Among them, there are two ways for the butt connection between the upper and lower precast concrete columns. One way is to assemble the formwork on site and then pour concrete to realize the connection. The other way is to use grout anchors to connect the upper and lower precast columns Concrete columns, the above two construction methods cannot avoid on-site wet work, and also reduce the construction efficiency of precast concrete structures

In addition, the prefabricated concrete columns are also prefabricated by the column factory, and the prestressed dry method is used on site to connect the butt joints, but the threading and pulling of the prestressed tendons is also a relatively complicated process.

Images