CN209443573U - Assembled high-ductility round steel concrete column-concrete beam connecting joint - Google Patents

Abstract

The utility model discloses an assembled high-ductility round steel concrete column-concrete beam connection node, including a precast concrete upper column, a precast concrete lower column, a precast concrete left beam, and a precast concrete right beam, wherein the precast concrete upper column and the precast concrete lower column are round steel concrete columns, and the precast concrete left beam and the precast concrete right beam are rectangular beams; the precast concrete lower column is provided with 8 column longitudinal bars, the precast concrete upper column is provided with 8 first column longitudinal bar holes, and the upper ends of the 8 column longitudinal bars are respectively installed in the 8 first column longitudinal bar holes. The utility model precast concrete rigid connection forms a concrete structure, which improves the strength, integrity and cooperation of the beam.

Description

An assembled high ductility round steel concrete column-concrete beam connecting node

technical field

The utility model relates to the technical field of construction, in particular to an assembled high-ductility round steel concrete column-concrete beam connecting node.

Background technique

In the prefabricated concrete structure, the beam-column joint refers to the connection node between the precast concrete column and the precast concrete beam. The connection node plays the role of load load and seismic energy dissipation. The safety and reliability of the beam-column joint is the premise to ensure the normal operation of the structure. , the traditional transfer-type concrete structure is relatively simple, the use of stirrup materials is more frequent, and the operation is troublesome. In view of this, a prefabricated component is designed to be connected by a reliable connection method and post-cast high ductility concrete and post-cast concrete on site. Structure, high ductility concrete can reduce the number of stirrups, but also can improve the overall stability of the structure of the fabricated concrete structure is particularly important.

SUMMARY OF THE INVENTION

The utility model provides an assembled high ductility round steel concrete column-concrete beam connection node, which can effectively solve the technical problems existing in the above background.

In order to achieve the above object, the utility model provides the following technical solutions:

A prefabricated high ductility round steel concrete column-concrete beam connection node, comprising a precast concrete upper column, a precast concrete lower column, a precast concrete left beam, and a precast concrete right beam, the precast concrete upper column and the precast concrete lower column Both are round steel concrete columns, and the left precast concrete beam and the right precast concrete beam are rectangular beams; one end of the left precast concrete beam and one end of the right precast concrete beam are provided with first longitudinal reinforcement holes; The column is provided with 8 column longitudinal bars, the precast concrete upper column is provided with 8 second column longitudinal reinforcement holes, and the upper ends of the 8 column longitudinal bars are respectively installed in the 8 second column longitudinal reinforcement holes; wherein 4 of the column longitudinal bars are fastened by the upper beam stirrups arranged above the precast concrete upper column and form a square shape, and the other 4 column longitudinal bars are fastened by the node stirrups arranged above the upper beam stirrups and formed into a square shape. A square is formed; two of the other four column longitudinal bars pass through the two first longitudinal bar holes to fix the precast concrete left beam and the precast concrete right beam respectively.

Preferably, the end face of one end of the precast concrete left beam and the end face of one end of the precast concrete right beam are connected to the upper end face of the precast concrete lower column through angle steel, and the angle steel is fixed by toothed bolts.

Preferably, the precast concrete left beam and the precast concrete right beam are provided with several upper beam longitudinal bars that penetrate the upper end surfaces of the precast concrete left beam and the precast concrete right beam. After the concrete is fixed.

Preferably, the end face of one end of the precast concrete left beam and the end face of one end of the precast concrete right beam are fixed by poured high ductility concrete.

Preferably, the eight column longitudinal ribs are arranged at 45° to each other.

Preferably, two semi-circular steel pipes are arranged outside the eight column longitudinal bars, and the two semi-circular steel pipes are connected by welding.

The beneficial effects of the present utility model are:

The utility model forms a concrete structure through the rigid connection of precast concrete, which improves the strength, integrity and cooperation of the beam; the strength and deformation capacity of the joint are improved due to the use of the steel pipe precast concrete column, and the high ductility concrete is used at the joint, which can Improve the overall stability of the structure; angle steel is used between the precast concrete left beam, the precast concrete right beam and the precast concrete lower column, which can improve the strength and stiffness of the joint. To sum up, the assembled high-ductility beam-column joint of the present invention has high comprehensive strength, good seismic performance and strong practicability.

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Figure 1: Front view of the structure of the present utility model.

Figure 2: The top view of the structure of the present utility model.

In the figure: 1. Precast concrete upper column, 2. Precast concrete lower column, 3. Precast concrete left beam, 4. Precast concrete right beam, 11. Second column longitudinal reinforcement hole, 12. Beam upper stirrup, 13. Node Stirrup, 21, column longitudinal reinforcement, 22, steel pipe, 31, beam upper longitudinal reinforcement, 41, first longitudinal reinforcement hole.

Detailed ways

Embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings, but the present utility model can be implemented in a variety of different ways defined and covered by the claims:

As shown in Figures 1 to 2, the present invention provides an assembled high ductility round steel concrete column-concrete beam connection node, including a precast concrete upper column 1, a precast concrete lower column 2, a precast concrete left beam 3, The precast concrete right beam 4, the precast concrete upper column 1 and the precast concrete lower column 2 are all round steel concrete columns, and the precast concrete left beam 3 and the precast concrete right beam 4 are all rectangular beams.

One end of the precast concrete left beam 3 and one end of the precast concrete right beam 4 are provided with a first longitudinal rib hole 41; the precast concrete lower column 2 is provided with 8 column longitudinal ribs 21, and the 8 column longitudinal ribs 21 are arranged at 45° to each other, Two semicircular steel pipes 22 are arranged outside the eight column longitudinal bars 21, and the two semicircular steel pipes 22 are connected by welding, and concrete is poured in the steel pipes 22 to form a round steel concrete column, which is cured for 28 days.

The precast concrete upper column 1 is provided with eight second column longitudinal reinforcement holes 11 , and the upper ends of the eight second column longitudinal reinforcement holes 11 are respectively correspondingly installed in the eight second column longitudinal reinforcement holes 11 .

Among them, four column longitudinal bars 21 are fastened by the upper beam stirrups 12 arranged above the precast concrete upper column 1 to form a square shape, and the other four column longitudinal bars 21 are formed by the node stirrups 13 arranged above the upper beam stirrups 12 . Tighten and form a square, pour high ductility concrete from between the end face of one end of the left precast concrete beam 3 and the end face of one end of the right precast concrete beam 4 and between the precast concrete upper column 1 and the precast concrete lower column 2 .

Two of the other four column longitudinal ribs 21 respectively pass through the two first longitudinal reinforcement holes 41 to fix the precast concrete left beam 3 and the precast concrete right beam 4, and the end face of one end of the precast concrete left beam 3, the precast concrete beam The end face of one end of the concrete right beam 4 is connected to the upper end face of the precast concrete lower column 2 through angle steel, so as to be fixed with high strength, and the angle steel is fixed by toothed bolts.

The prefabricated concrete left beam 3 and the prefabricated concrete right beam 4 are provided with several upper beam longitudinal bars 31 penetrating the upper end surfaces of the prefabricated concrete left beam and the prefabricated concrete right beam. fixed.

The invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned methods, as long as the non-substantial improvement made by the method concept and technical solution of the present utility model is adopted, or there is no improvement. The idea and technical solution of the invention are directly applied to other occasions, all within the protection scope of the present invention.

Claims (6)

1. a kind of connecting node of the high ductility round steel concrete column-beams of concrete of assembled, including precast concrete upper prop (1), Precast concrete lower prop (2), the left beam of precast concrete (3), the right beam of precast concrete (4), it is characterised in that: the concrete Native upper prop (1), precast concrete lower prop (2) are for round steel concrete column, the left beam of precast concrete (3), the precast concrete right side Beam (4) is for rectangular beam；The left beam of precast concrete (3) one end and the right beam of precast concrete (4) one end are provided with the One vertical muscle hole (41)；It is provided with 8 columns in the precast concrete lower prop (2) and indulges muscle (21), the precast concrete upper prop (1) It is provided with 8 the second columns and indulges muscle hole (11), 8 columns indulge corresponding 8 second columns that are mounted in muscle (21) upper end and indulge muscle hole (11) in；Wherein 4 columns are indulged muscle (21) and are fastened by the beam top stirrup (12) above precast concrete upper prop (1) is arranged in And square shape is constituted, in addition 4 columns indulge muscle (21) by the node stirrup above beam top stirrup (12) is arranged in (13) it fastens and constitutes square；2 columns vertical muscle (21) in other 4 columns vertical muscle (21) are each passed through 2 first and indulge Muscle hole (41) fixed the left beam of precast concrete (3) and the right beam of precast concrete (4).

2. a kind of connecting node of the high ductility round steel concrete column-beams of concrete of assembled according to claim 1, special Sign is: the end face of the described left beam of precast concrete (3) one end, the end face of the right beam of precast concrete (4) one end pass through angle steel It is connected to precast concrete lower prop (2) upper surface, the fixation of the angle steel is bolted using tooth form.

3. a kind of connecting node of the high ductility round steel concrete column-beams of concrete of assembled according to claim 1, special Sign is: the left beam of precast concrete (3), be provided in the right beam of precast concrete (4) be pierced by the left beam of precast concrete with Several beam upper longitudinal bars (31) of the upper surface precast concrete You Liang, in several described beam upper longitudinal bars (31) by pouring after Concrete fix.

4. a kind of connecting node of the high ductility round steel concrete column-beams of concrete of assembled according to claim 1, special Sign is: by pouring between the end face of the described left beam of precast concrete (3) one end and the end face of the right beam of precast concrete (4) one end High ductility concrete fix.

5. a kind of connecting node of the high ductility round steel concrete column-beams of concrete of assembled according to claim 1, special Sign is: 8 columns indulge muscle (21) mutually setting at 45 °.

6. a kind of connecting node of the high ductility round steel concrete column-beams of concrete of assembled according to claim 1, special Sign is: 8 columns indulge muscle (21) and 2 semicircle steel pipes (22), described 2 semicircle steel pipe (22) welded companies are arranged outside It connects.