CN208183954U - A kind of prefabricated assembled bean column node construction - Google Patents

Abstract

The utility model discloses a prefabricated assembled beam-column joint structure, which comprises a prefabricated column and a composite beam. The lower part of the rib is located in the laminated beam. Two vertical and opposite profiled steel plates are arranged at the junction of the beam and column in the prefabricated column. One end of the profiled steel plate is pre-embedded in the precast column, and the other end of the profiled steel plate protrudes Prefabricated column, the lower part of the prefabricated column protruding from the steel plate has a plurality of tooth grooves evenly distributed along its length, and the tooth grooves are set in one-to-one correspondence with the above-mentioned stirrups; The grooves are connected and fixed by means of interlocking, the ends of the vertical bars are welded on the steel plate and the upper part of the vertical bars and the stirrups are bound, and then the concrete is poured on site to form a cast-in-place beam. The utility model can eliminate the binding of the negative tendons of the upper support of the composite beam, and at the same time improve the structural bearing capacity, rigidity and seismic ductility of the connecting nodes, which is convenient for construction and has good construction quality.

Description

A prefabricated beam-column joint structure

technical field

The utility model relates to a beam-column joint structure, in particular to a prefabricated assembled beam-column joint structure.

Background technique

In recent years, the country has vigorously promoted the industrialization and prefabrication of buildings. As far as the concrete frame structure is concerned, its prefabricated components include prefabricated columns, laminated beams and laminated slabs. The top surface of the composite beam is a rough composite surface, the lower half of the stirrup is located in the composite beam, and the upper half is located in the cast-in-place beam. The interstory column section of the prefabricated column is prefabricated in the factory, and the negative reinforcement of the upper support of the composite beam passes through the prefabricated column at the beam-column node, and the concrete is cast in place at the node. The connection of concrete cast-in-place joints has the advantages of integrity, good earthquake resistance, and beautiful appearance. However, the on-site binding of the negative reinforcement of the support and the cast-in-place connection have cumbersome construction, low construction efficiency, and great influence of human factors on construction quality, which is not conducive to the development of construction industrialization. , so it is necessary to invent a convenient, quick and quality-controllable joint between concrete composite beams and prefabricated columns.

Contents of the invention

1. The technical problems to be solved by the utility model

The purpose of the utility model is to overcome the above-mentioned deficiencies, and provide a prefabricated assembly beam-column joint structure. By adopting the technical scheme of the utility model, it is possible to avoid binding the negative reinforcement of the upper support of the composite beam, and at the same time improve the structure of the connection node. Bearing capacity, rigidity and seismic ductility, easy construction and good construction quality.

2. Technical solution

In order to achieve the above object, the technical solution provided by the utility model is:

A prefabricated assembled beam-column joint structure of the present utility model includes a prefabricated column and a composite beam, the top surface of the composite beam is a rough composite surface, and a plurality of stirrups are uniformly distributed along its length on the composite beam , the lower half of the stirrup is located in the laminated beam, and the beam-column joint in the prefabricated column is provided with two vertically arranged and opposite profiled steel plates, one end of the profiled steel plate is pre-embedded in the prefabricated column, and the profiled steel plate The other end of the prefabricated column protrudes, and the lower part of the prefabricated column protruding from the shaped steel plate has a plurality of tooth grooves evenly distributed along its length, and the tooth grooves and the above-mentioned stirrups are set in one-to-one correspondence; the composite beam and the prefabricated The columns are connected and fixed through the interlocking of the stirrups and the tooth grooves. The erecting bars welded on the profiled steel plate and the upper part of the stirrups are tied up, and then the concrete is poured on site to connect the cast-in-place beams and the composite beams as a whole. .

Further, the other end of the shaped steel plate protrudes from the column side by 1/3 of the length of the laminated beam.

Furthermore, the profiled steel plate runs through the prefabricated column, and both ends of the profiled steel plate protrude from the column edge by 1/3 of the length of the laminated beam.

3. Beneficial effect

Adopting the technical solution provided by the utility model, compared with the existing known technology, has the following beneficial effects:

(1) A prefabricated beam-column joint structure of the present utility model, which forms a skeleton by snapping and connecting the shaped steel plate embedded on the prefabricated column and the stirrup on the composite beam, and bears the negative bending moment on the upper part of the beam , the operation process is convenient and quick, saving labor consumption costs, and the integrity and mechanical performance are superior, the construction process is simplified, the construction difficulty is reduced, the component size accuracy is high, easy to control, the on-site sanitation condition is improved, the production efficiency is increased, and it can be batched Production;

(2) A prefabricated assembled beam-column joint structure of the present invention, the laminated beam and the prefabricated column are connected and fixed by interlocking the stirrup and the tooth groove, which can realize the purpose of fast positioning and connection.

Description of drawings

Fig. 1 is a structural schematic diagram of a prefabricated assembled beam-column joint structure of the present invention;

Fig. 2 is a schematic diagram of the installation structure of a prefabricated assembled beam-column joint structure medium-sized steel plate of the present invention;

Fig. 3 is a structural schematic diagram of a composite beam in a prefabricated assembled beam-column joint structure of the present invention.

Explanation of the labels in the schematic diagram: 1. Prefabricated column; 2. Laminated beam; 3. Stirrup; 4. Shaped steel plate; 41. Alveolar.

Detailed ways

In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

Example

Referring to Figure 1, Figure 2 and Figure 3, a prefabricated beam-column joint structure of this embodiment includes a prefabricated column 1 and a composite beam 2, the top surface of the composite beam 2 is a rough composite surface, and the composite A plurality of stirrups 3 are evenly distributed along the length of the beam 2, and the lower half of the stirrups 3 is located in the laminated beam 2, and two vertical and opposite shaped steel plates are arranged at the junction of the beam and column in the prefabricated column 1 4. One end of the profiled steel plate 4 is pre-embedded in the prefabricated column 1, and the other end of the profiled steel plate 4 extends out of the prefabricated column 1. In this embodiment, the other end of the profiled steel plate 4 extends out of the column edge by 1/3 of the length of the laminated beam. Specifically In this embodiment, the medium-shaped steel plate 4 runs through the prefabricated column 1, and both ends of the shaped steel plate 4 protrude from the column edge by 1/3 of the length of the laminated beam; A plurality of tooth grooves 41 are evenly distributed, and the tooth grooves 41 are set in one-to-one correspondence with the above-mentioned stirrups 3; To achieve the purpose of fast positioning and connection, the vertical bars welded on the profile steel plate 4 and the upper part of the stirrup 3 are bound, and then the concrete is poured on site to connect the cast-in-place beam and the composite beam 2 as a whole; The profiled steel plate on the top and the stirrups on the composite beam 2 are snapped and connected to form a skeleton, and bear the negative bending moment on the upper part of the beam. The construction process is simplified, the construction difficulty is reduced, the dimensional accuracy of the components is high, it is easy to control, the sanitation conditions on the site are improved, the production efficiency is improved, and it can be mass-produced.

During construction, two shaped steel plates 4 are pre-embedded into the prefabricated column 1, and the two shaped steel plates 4 are required to be arranged oppositely, the two shaped steel plates 4 are vertically arranged, and one end of the two shaped steel plates protrudes from the column edge 1/ 3 The length of the composite beam; the prefabricated column 1 is set out and positioned, and the composite beam 2 is hoisted. The tooth groove 41 is locked and fixed, and then the upper part of the erecting bar is bound to the stirrup 3, and the end of the erecting bar is welded to the profile steel plate 4, and finally the concrete is poured on site to connect the cast-in-place beam and the composite beam 2 into one , completing the beam-to-column connection.

A prefabricated assembled beam-column joint structure of the utility model can eliminate the binding of negative ribs on the upper support of the composite beam, and at the same time improve the structural bearing capacity, rigidity and seismic ductility of the joint joint, which is convenient for construction and has good construction quality.

The above schematically describes the utility model and its implementation, which is not restrictive, and what is shown in the accompanying drawings is only one implementation of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, and without departing from the purpose of the invention of the utility model, without creatively designing a structural mode and an embodiment similar to the technical solution, it shall belong to the utility model. protected range.

Claims (3)

1. a kind of prefabricated assembled bean column node construction, including prefabricated post (1) and composite beam (2), the top of the composite beam (2) Face is coarse superposed surfaces, is evenly equipped with along its length multiple stirrups (3) on composite beam (2), and the lower half portion of stirrup (3) is located at folded Close in beam (2), it is characterised in that: described prefabricated post (1) the beam-column junction be provided with two pieces it is vertically arranged and be oppositely arranged Shape steel plate (4), one end of shape steel plate (4) is embedded into prefabricated post (1), and the other end of shape steel plate (4) stretches out prefabricated post (1), Wherein on shape steel plate (4) stretch out prefabricated post (1) section lower be evenly equipped with along its length multiple tooth sockets (41), tooth socket (41) with it is upper Stating stirrup (3) is in be arranged in a one-to-one correspondence；Pass through stirrup (3) and tooth socket (41) phase between the composite beam (2) and prefabricated post (1) The mode mutually engaged is fixedly connected, and the top half of the bearing rod being welded on shape steel plate (4) and stirrup (3) bind after it is existing Cast-in-situ Beam and composite beam (2) are connected as one by field casting concrete.

2. a kind of prefabricated assembled bean column node construction according to claim 1, it is characterised in that: the shape steel plate (4) the other end stretches out the length of 1/3 composite beam of column side.

3. a kind of prefabricated assembled bean column node construction according to claim 1, it is characterised in that: the shape steel plate (4) interior through prefabricated post (1), the length of 1/3 composite beam of column side is stretched out at the both ends of shape steel plate (4).