CN-117432082-B - Steel-concrete combined beam column node mortise and tenon joint structure

CN117432082BCN 117432082 BCN117432082 BCN 117432082BCN-117432082-B

Abstract

The invention discloses a steel-concrete combined beam column joint mortise-tenon joint structure which comprises an upper steel pipe column and a lower steel pipe column, wherein a connecting steel pipe column is further arranged between the upper steel pipe column and the lower steel pipe column, the upper end of the connecting steel pipe column is fixedly connected with the lower end of the upper steel pipe column, and the lower end of the connecting steel pipe column is fixedly connected with the upper end of the lower steel pipe column. Through set up the core pipe in connecting the steel-pipe column to set up a plurality of mounting on the core pipe, make the girder steel can pass through the block with the core pipe and link to each other, thereby reduce on-the-spot welding operation, ensure the joint strength of node.

Inventors

LIU XIANGGANG
ZHANG ZHENYONG
XIAO JICHENG
JIANG SHIYONG

Assignees

渝建建筑工业科技集团有限公司

Dates

Publication Date: 20260512
Application Date: 20231215

Claims (7)

1. The steel-concrete combined beam column joint mortise-tenon joint structure is characterized by comprising an upper steel pipe column (1) and a lower steel pipe column (2), wherein a connecting steel pipe column (3) is further arranged between the upper steel pipe column and the lower steel pipe column, the upper end of the connecting steel pipe column is fixedly connected with the lower end of the upper steel pipe column, and the lower end of the connecting steel pipe column is fixedly connected with the upper end of the lower steel pipe column; An inner baffle plate (4) is arranged at the upper end of the lower steel pipe column, the lower side surface of the inner baffle plate is fixedly connected with the upper end of the lower steel pipe column, a core pipe (5) is arranged above the inner baffle plate, the core pipe is positioned in the connecting steel pipe column, the axis of the core pipe is coincident with the axis of the connecting steel pipe column, and the lower end of the core pipe is connected with the upper side surface of the inner baffle plate; The outer side surface of the core tube is provided with a plurality of fixing pieces (6), the length direction of each fixing piece is consistent with the length direction of the core tube, and each fixing piece is L-shaped; at least one steel beam (7) is arranged on the outer side of the connecting steel pipe column, a slot (8) is formed in the position, corresponding to the steel beam, of the connecting steel pipe column, one end of the slot extends downwards in the vertical direction from the top end of the connecting steel pipe column, and one end of the steel beam can be placed in the slot; An end plate (9) is arranged at one end of the steel beam, one side of the end plate is fixedly connected with one end of the steel beam, the end plate can be inserted into the clamping groove to fixedly connect the steel beam with the core pipe, an upper partition plate (17) is further arranged at the upper end of the core pipe, and the upper partition plate is flush with the upper side of the steel beam and fixedly connected with the inner side wall of the core pipe.
2. The steel-concrete composite beam column joint mortise and tenon joint structure according to claim 1, wherein the lower end of the end plate can extend out of the clamping groove after extending into the clamping groove, so that the upper end of the end plate is flush with the upper end of the core pipe, and the lower end of the end plate is located outside the lower end of the core pipe.
3. The steel-concrete composite beam column node mortise and tenon joint structure according to claim 2, characterized in that a plurality of holes (10) are further formed in the inner partition plate and correspond to the position of the end plate, the holes penetrate through two side walls of the inner partition plate, which are away from each other, so that the lower end of the end plate can continuously penetrate through the holes and extend into the lower steel pipe column after extending out of the clamping groove.
4. The steel-concrete combined beam column joint mortise and tenon joint structure according to claim 1, characterized in that a plurality of haunching plates (12) are further arranged below the steel beam, the haunching plates are distributed at intervals around the circumference of the core pipe, one side of each haunching plate is fixedly connected with the steel beam, and the other side adjacent to the haunching plates is fixedly connected with one side of the end plate, which is away from the core pipe.
5. The steel-concrete composite beam column joint mortise and tenon joint structure according to claim 1, characterized in that a plurality of connecting plates I (13) are arranged above the connecting steel pipe columns, the connecting plates I are L-shaped, and the connecting plates I are fixedly connected with the upper ends of the connecting steel pipe columns.
6. The steel-concrete composite beam column joint mortise and tenon joint structure according to claim 5, characterized in that a connecting plate II (14) is arranged at the lower end of the upper steel pipe column, the upper side of the connecting plate II is fixedly connected with the lower end of the upper steel pipe column, and the upper steel pipe column is fixedly connected with the connecting plate I through the connecting plate II.
7. The steel-concrete composite beam column joint mortise and tenon joint structure according to claim 6, wherein a through hole II is formed in the middle of the connecting plate II, and the through hole II penetrates through two side walls of the connecting plate II, which are away from each other.

Description

Steel-concrete combined beam column node mortise and tenon joint structure Technical Field The invention relates to the technical field of building structures, in particular to a steel-concrete combined beam column joint mortise and tenon joint structure. Background At present, the connection node of the U-shaped steel concrete composite beam and the steel tube concrete column is the key of the stress of the building structure. In order to achieve the design requirement of the connection node of the beam and the column, a traditional design structure of a partition plate or an outer ring plate is generally adopted, and the connection node is welded with the column on site to finish the fixed connection of the beam and the column. However, the U-shaped steel is a semi-closed section, and the number of components involved in connecting the nodes is large, so that the on-site welding workload is very large. Moreover, the lower side of the steel beam and the column are welded to form overhead welding, the welding process is difficult to operate due to the position relation, the quality of a welding line is difficult to ensure, even a welding worker with skilled operation is often difficult to ensure the quality of the welding line at the welding position, and finally, the structure is safe and has great hidden trouble. Disclosure of Invention Aiming at the defects in the prior art, the invention aims to provide a steel-concrete combined beam column node mortise-tenon joint structure so as to solve the problems that in the prior art, the welding amount between a U-shaped steel beam and a steel pipe column is large, the welding difficulty is large, the quality of a welding seam is difficult to guarantee and the structural safety is influenced. In order to solve the technical problems, the invention adopts the following technical scheme: A steel-concrete combined beam column joint mortise-tenon structure comprises an upper steel pipe column and a lower steel pipe column, wherein a connecting steel pipe column is further arranged between the upper steel pipe column and the lower steel pipe column, the upper end of the connecting steel pipe column is fixedly connected with the lower end of the upper steel pipe column, the lower end of the connecting steel pipe column is fixedly connected with the upper end of the lower steel pipe column, an inner partition plate is arranged at the upper end of the lower steel pipe column, the lower side surface of the inner partition plate is fixedly connected with the upper end of the lower steel pipe column, a core pipe is arranged above the inner partition plate and is positioned inside the connecting steel pipe column, the axis of the core pipe coincides with the axis of the connecting steel pipe column, the lower end of the core pipe is connected with the upper side surface of the inner partition plate, a plurality of fixing pieces are arranged on the outer side surface of the core pipe, the length direction of the fixing pieces coincides with the length direction of the core pipe, the fixing pieces are L-shaped, one ends of the two adjacent fixing pieces are arranged on the same outer side surface of the core pipe in a relative mode, the other ends of the fixing pieces are fixedly connected with the outer side surface of the core pipe, two opposite ends of the core pipe are arranged on the same outer side surface of the core pipe are fixedly connected with the core pipe, a clamping groove is formed on the inner side surface of the core pipe, the core pipe is arranged on the outer side of the connecting steel pipe column, the side of the connecting steel pipe is provided with the steel pipe is provided with a steel pipe, the end plate is arranged on the side of the end plate, and the end plate is arranged on the side of the steel beam is in a vertical side of the steel pipe, and can be connected with the end plate, and can be fixedly connected with one end of the end plate. Preferably, the lower end of the end plate can extend out of the clamping groove after extending into the clamping groove, so that the upper end of the end plate is flush with the upper end of the core pipe, and the lower end of the end plate is positioned outside the lower end of the core pipe. Preferably, the inner partition plate is further provided with a plurality of openings at positions corresponding to the end plates, the openings penetrate through side walls on two sides of the inner partition plate, which are away from each other, so that the lower ends of the end plates can continuously penetrate through the openings and extend into the lower steel pipe columns after extending out of the clamping grooves. Preferably, a through hole I is formed in the middle of the inner partition plate, and the through hole I penetrates through two side walls of the inner partition plate, which are away from each other. Preferably, a plurality of haunching plates are further arranged below the steel beam, the haun