CN108560701A - Fabricated construction system - Google Patents

Abstract

The present invention relates to fabricated construction system technical field, more particularly to a kind of fabricated construction system.In the fabricated construction system, prefabricated post, precast main beam and prefabricated secondary beam are including steel reinforcement cage and the shell being wrapped in outside steel reinforcement cage, after each prefabricated components lift positioning as requested, formwork at steel reinforcement cage can be connected in the column between the fraction region of needs such as upper layer prefabricated post and lower layer's prefabricated post, then complete whole live pouring construction concrete.Shell may act as template, without being respectively provided with a large amount of templates at prefabricated post, precast main beam and prefabricated secondary beam, then can greatly reduce branch modulus, to make construction is simple, construction efficiency is high, and integrality performance of the structure is good.Live reinforcing bar binding work amount greatly reduces, and working procedure is simple, so as to improve construction efficiency, saves duration and construction cost.

Description

Assembled structure system

technical field

The invention relates to the technical field of assembled structural systems, in particular to an assembled structural system.

Background technique

One of the important measures for the country to promote the development of construction industrialization and the transformation and upgrading of the construction industry is to promote the research and application of key technologies in the construction structural system, architectural design, parts and accessories. Prefabricated buildings refer to buildings assembled on site with prefabricated components. The advantage of this kind of building is that the construction speed is fast, it is less restricted by climatic conditions, it saves labor and can improve the construction quality.

At present, there are many problems in the prefabricated frame structure in the industry: the mass of the components is large, which causes great pressure on the production, transportation and hoisting of the components; the on-site modulus is large; the column nodes are connected by grouting sleeves, which requires high precision of the components and difficult construction , and the grouting quality is difficult to inspect; the integrity of the beam-column joints is poor, and the seismic performance is poor.

Contents of the invention

The purpose of the present invention is to provide a prefabricated structural system to solve the technical problems in the prior art of large amount of on-site modulus support, poor overall performance of the structure, and low construction efficiency.

The invention provides an assembled structure system, which includes a foundation, a prefabricated column and a prefabricated main beam; the foundation includes a foundation body and foundation steel bars arranged in the foundation body and protruding from the upper end surface of the foundation body; the prefabricated column includes a column reinforcement cage and two The column casing with open ends, the column casing is wrapped on the outside of the column reinforcement cage; the prefabricated main beam includes the main beam reinforcement cage and the main beam casing with openings at least at both ends, and the main beam casing is wrapped on the outside of the main beam reinforcement cage; it also includes the foundation connection Steel bars; one end of the foundation connection reinforcement is connected to the foundation reinforcement, and the other end is connected to the lower end of the column reinforcement cage; it also includes the column connection reinforcement cage and the beam-column connection reinforcement; the extension direction of the beam-column connection reinforcement is consistent with the extension direction of the prefabricated main beam, One end of the column connection reinforcement cage is connected to the upper end of the column reinforcement cage. Two prefabricated main beams are located on both sides of the upper end of the prefabricated column. One end is connected to another beam reinforcement cage; the prefabricated column is set vertically, and the prefabricated beam is installed horizontally; the inner cavity of the prefabricated column, the inner cavity of the prefabricated main beam, the foundation connection reinforcement and the column connection reinforcement cage are all poured with construction concrete on site.

Further, the prefabricated structural system also includes column connecting longitudinal reinforcements whose extension direction is consistent with that of the prefabricated columns; there are multiple prefabricated columns, and the prefabricated columns are arranged sequentially from top to bottom, and the prefabricated columns at the bottom are connected through the foundation The reinforcement is connected to the foundation; among the two adjacent prefabricated columns, the upper one is the upper prefabricated column, and the lower one is the lower prefabricated column; between each two adjacent prefabricated columns, there is a column connecting reinforcement cage and column connecting longitudinal reinforcement , wherein, the column connection reinforcement cage is connected with the reinforcement cage of the lower prefabricated column, one end of the column connection longitudinal reinforcement is connected with the longitudinal reinforcement of the upper prefabricated column, and the other end is inserted into the column connection reinforcement cage and fixed; the upper prefabricated column, the lower prefabricated column and the column The reinforcement cage is connected and construction concrete is poured on site at the same time.

Further, the prefabricated structural system also includes a first prefabricated secondary beam, the first prefabricated secondary beam includes a reinforcement cage of the primary beam and a shell of the primary beam with openings at least at both ends, the shell of the first beam is wrapped around the primary beam The outer side of the reinforcement cage; it also includes the first primary and secondary beam connection port and the first primary and secondary beam connection longitudinal reinforcement; the first primary and secondary beam connection port is set at the specified position on the main beam shell, and the first primary and secondary beam connection longitudinal reinforcement One end is inserted in the connection port of the first primary and secondary beams, and the other end is connected with the reinforcement cage of the primary beam; the connection port of the first primary and secondary beams and the inner cavity of the first prefabricated secondary beam are simultaneously poured with construction concrete on site.

Further, the prefabricated structural system also includes two second prefabricated secondary beams, and the two second prefabricated secondary beams are oppositely arranged on both sides of the prefabricated main beam; each second prefabricated secondary beam includes a reinforcement cage of the second secondary beam and at least The shell of the second beam with openings at both ends, the shell of the second beam is wrapped on the outside of the steel cage of the second beam; it also includes the connection port of the second primary and secondary beams and the connecting reinforcement of the second primary and secondary beams; the connection of the second primary and secondary beams The mouth is set at the designated position on the shell of the main beam, the connecting reinforcement of the second primary and secondary beams is passed through the connecting opening of the second primary and secondary beams, and one end of the connecting longitudinal reinforcement of the second primary and secondary beams is connected with a reinforcement cage of the second beam, The other end is connected with another second beam reinforcement cage; the second primary beam connection port and the inner cavity of the prefabricated secondary beam are poured with construction concrete at the same time.

Further, the column connection reinforcement cage and the column reinforcement cage are integrated; the column reinforcement cage includes a column reinforcement mesh group and column longitudinal reinforcement extending in the extension direction of the column casing, the column casing is wrapped outside the reinforcement mesh group, and the column longitudinal reinforcement is arranged on In the reinforcement mesh group; the longitudinal reinforcement of the column connection and the longitudinal reinforcement of the column are integrated.

Further, the beam-column connection reinforcement includes beam-column connection waist reinforcement; the beam-column connection waist reinforcement is penetrated in the column connection reinforcement cage, and one end of the beam-column connection waist reinforcement is lapped on a beam reinforcement cage, and the other end is lapped on the on another beam reinforcement cage; and/or, the beam-column connecting reinforcement also includes beam-column through longitudinal reinforcement; the beam-column through-through longitudinal reinforcement passes through the column connection reinforcement cage, and one end of the beam-column through-through longitudinal reinforcement is lapped at the end of a beam reinforcement cage One end of the reinforcement cage away from the column connection is lapped at the other end of the beam reinforcement cage away from the column connection reinforcement cage.

Further, the column reinforcement mesh group includes a plurality of column reinforcement mesh sheets arranged at intervals along the extending direction of the column longitudinal reinforcement; each column reinforcement mesh sheet includes a plurality of column first bars and a plurality of column second bars ; The first ribs of multiple columns and the second ribs of multiple columns are arranged alternately one by one to form a grid structure; both ends of the first ribs of multiple columns extend outside the second ribs of all columns, and the second ribs of multiple columns Both ends of the column protrude from the first ribs of all columns; the column shell includes the first side plate of the column, the third side plate of the column, the second side plate of the column and the fourth side plate of the column, and the first ribs of multiple columns The first end of each column is connected to the first side plate of the column, the second ends of the first ribs of multiple columns are all connected to the second side plate of the column, the first ends of the second ribs of multiple columns are connected to the third side plate of the column, and more The second ends of the second ribs of each column are connected with the fourth side plate of the column.

Further, both ends of the first rib of the column are provided with a first protrusion of the column, and the cross-sectional size of the first protrusion of the column is larger than the cross-sectional size of the first rib of the column; The second protrusion, the cross-sectional dimension of the second protrusion of the column is larger than the cross-sectional dimension of the second rib of the column.

Further, the main girder shell includes the left side plate of the main girder, the bottom plate of the main girder and the right side plate of the main girder connected in sequence; For longitudinal reinforcement, the left plate of the main beam is connected to the left outer side of the main beam steel mesh group, the right side plate of the main beam is connected to the right outer side of the main beam steel mesh group, and the main beam bottom plate is connected to the bottom of the main beam steel mesh group outside.

Further, the steel mesh sheet of the main beam includes the first rib of the main beam arranged oppositely, and a plurality of second ribs of the main beam arranged at intervals along the extending direction of the first rib of the main beam; the left ends of the second ribs of the multiple main beam are all The first rib of a main beam protrudes, and the right ends of the second ribs of multiple main beams protrude from the first rib of another main beam; the lower ends of the first ribs of the main beam protrude all the second ribs of the main beam;

The left ends of the second ribs of multiple main beams are connected with the left side plate of the main beam, the right ends of the second ribs of multiple main beams are connected with the right side plate of the main beam, and the lower ends of the first ribs of the two main beams are connected with the bottom plate of the main beam Connection; the lower end of the first rib of the main beam is provided with a first protrusion of the main beam, and the cross-sectional size of the first protrusion of the main beam is larger than that of the first rib of the main beam.

In the prefabricated structure system provided by the present invention, after each prefabricated component is hoisted and positioned according to the requirements, the formwork can be set up in a small part of the required area, such as the column connection reinforcement cage between the upper prefabricated column and the lower prefabricated column, and then complete the whole Pouring construction concrete on site. The shell of the component can be used as a template, and there is no need to set a large number of templates at the prefabricated columns, prefabricated main beams and prefabricated secondary beams, which can greatly reduce the modulus of support, so that the construction is simple and the construction efficiency is high. Prefabricated beams, prefabricated columns and other prefabricated components are integrally poured on site, with reasonable force, and the comprehensive performance is equivalent to that of ordinary cast-in-place concrete structures. It has the characteristics of safety and reliability, simplified construction, saving consumables, reducing dust and construction waste, and has a strong market Competitiveness.

Description of drawings

The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a structural schematic diagram of an assembled structural system according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the prefabricated column in the prefabricated structural system shown in Fig. 1 after on-site pouring;

Fig. 3 is a structural schematic diagram of the prefabricated main girder in the prefabricated structural system shown in Fig. 1 after on-site pouring;

Fig. 4 is a structural schematic diagram of the prefabricated secondary beam in the prefabricated structural system shown in Fig. 1 after on-site pouring;

Fig. 5 is a structural schematic diagram of the connection node between the prefabricated column and the foundation in the prefabricated structural system shown in Fig. 1;

Fig. 6 is a structural schematic diagram of the connection node between the upper prefabricated column and the lower prefabricated column in the prefabricated structural system shown in Fig. 1;

Fig. 7a is a structural schematic diagram of the connection node between the prefabricated main girder and the first prefabricated secondary girder in the prefabricated structural system shown in Fig. 1;

Fig. 7b is an A-A sectional view of the connection node between the prefabricated main beam and the first prefabricated secondary beam in the prefabricated structural system shown in Fig. 7a;

Fig. 8a is another structural schematic diagram of the connection node between the prefabricated main beam and the first prefabricated secondary beam in the prefabricated structural system shown in Fig. 1;

Fig. 8b is an A-A sectional view of the connection node between the prefabricated main beam and the first prefabricated secondary beam in the prefabricated structural system shown in Fig. 8a;

Fig. 9a is another structural schematic diagram of the connection node between the prefabricated main girder and the first prefabricated secondary girder in the prefabricated structural system shown in Fig. 1;

Fig. 9b is an A-A sectional view of the connection node between the prefabricated main beam and the first prefabricated secondary beam in the prefabricated structural system shown in Fig. 9a;

Fig. 10a is a structural schematic diagram of the connection node between the prefabricated main girder and the second prefabricated secondary girder in the prefabricated structural system shown in Fig. 1;

Fig. 10b is an A-A sectional view of the connection node between the prefabricated main beam and the second prefabricated secondary beam in the prefabricated structural system shown in Fig. 10a;

Fig. 11a is another structural schematic diagram of the connection node between the prefabricated main beam and the second prefabricated secondary beam in the prefabricated structural system shown in Fig. 1;

Figure 11b is an A-A cross-sectional view of the connection node between the prefabricated main beam and the second prefabricated secondary beam in the prefabricated structural system shown in Figure 11a;

Fig. 12a is another structural schematic diagram of the connection node between the prefabricated main girder and the second prefabricated secondary girder in the prefabricated structural system shown in Fig. 1;

Fig. 12b is an AA sectional view of the connection node between the prefabricated main girder and the second prefabricated secondary girder in the prefabricated structural system shown in Fig. 12a.

In the figure: 100 - foundation; 200 - prefabricated column; 300 - prefabricated main beam; 400 - prefabricated secondary beam; 500 - construction concrete;

210-upper prefabricated column; 220-lower prefabricated column; 21-column first side panel; 22-column second side panel; 23-column third side panel; 24-column fourth side panel; 25-column longitudinal reinforcement; 26-column reinforcement mesh; 261-column first reinforcement; 262-column second reinforcement; 263-column first protrusion; 264-column second protrusion;

31-left side plate of main beam; 32-right side plate of main beam; 33-bottom plate of main beam; 34-longitudinal reinforcement of main beam; Second rib; 353 - the first protrusion of the main beam; 354 - the second protrusion of the main beam;

410 - the first prefabricated secondary beam; 420 - the second prefabricated secondary beam; 41 - the left side plate of the secondary beam; 42 - the right side plate of the secondary beam; 43 - the bottom plate of the secondary beam; 44 - the longitudinal reinforcement of the secondary beam; 45 - the reinforcement of the secondary beam Mesh; 451 - the first rib of the secondary beam; 452 - the second rib of the secondary beam; 453 - the first protrusion of the secondary beam; 454 - the second protrusion of the secondary beam;

01 - foundation connection reinforcement; 02 - column connection reinforcement cage; 03 - beam column connection longitudinal reinforcement; 04 - column connection longitudinal reinforcement; 05 - first primary and secondary beam connection longitudinal reinforcement; 06 - second primary and secondary beam connection through longitudinal reinforcement ;071 - the first primary and secondary beam connection slot; 072 - the first primary and secondary beam connection interval; 073 - the first primary and secondary beam connection socket; 081 - the second primary and secondary beam connection slot; 082 - the second primary and secondary beam Beam connection interval; 083 - the second primary and secondary beam connection socket.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in FIGS. 1 to 12 , the prefabricated structural system provided by the present invention includes at least the following components: a foundation 100 , a prefabricated column 200 , a prefabricated main beam 300 and a prefabricated secondary beam 400 .

As shown in Figure 2, the prefabricated columns 200 are as follows:

The prefabricated column 200 includes a column shell and a column reinforcement cage, and the column shell wraps the outside of the column reinforcement cage. Wherein, the column shell can be made of various materials, such as wood board, plastic board or metal board.

Preferably, the column shell is prefabricated by concrete, that is, the concrete is prefabricated in the factory, so that it can be integrated with the construction concrete 100 poured on site after the prefabricated column 200 arrives at the construction site, so that the material of the column is uniform, the types are less, and the structure is regular.

On the basis of the above embodiments, further, the column reinforcement cage includes column longitudinal bars 25 and reinforcement mesh groups, the column shell is wrapped outside the column reinforcement mesh groups, and the column longitudinal reinforcement 25 is arranged in the column reinforcement mesh groups. The column reinforcement mesh group includes a plurality of column reinforcement mesh sheets 26, and a plurality of column reinforcement mesh sheets 26 are arranged at intervals successively along the extending direction of the column longitudinal reinforcement; each column reinforcement mesh sheet 26 includes a plurality of column first ribs 261 and A plurality of column second ribs 262; a plurality of column first ribs 261 and a plurality of column second ribs 262 are alternately arranged to form a grid structure; both ends of the plurality of column first ribs 261 protrude from all column second ribs Outside the second rib 262, the two ends of the second rib 262 of a plurality of columns all extend outside the first rib 261 of all columns; The side plate 22 and the fourth side plate 24 of the column, the first ends of the first ribs 261 of the plurality of columns are all connected to the first side 21 of the column, and the second ends of the first ribs 261 of the plurality of columns are connected with the second side plate 22 of the column. Connection, the first ends of the plurality of second ribs 262 of the column are connected with the third side plate 23 of the column, and the second ends of the second ribs 262 of the plurality of columns are all connected with the plate of the fourth side 24 of the column.

In this embodiment, the column shell and the column longitudinal reinforcement are separated by the column reinforcement mesh group, and the column shell can serve as a formwork during on-site pouring construction, which simplifies the construction steps and improves the construction efficiency. The prefabricated column is in the form of a shell, and the overall weight is light, which is convenient for transportation and hoisting.

In this embodiment, the connection with the column shell is realized through the end of the column reinforcement mesh, which is simple, convenient and easy to construct, thereby saving a large amount of steel, without bending and binding, suitable for mass production, and has a high degree of industrialization.

On the basis of the above embodiments, further, both ends of the first column ribs are provided with first column protrusions 263 , and the cross-sectional size of the first column protrusions 263 is larger than that of the first column ribs. Both ends of the plurality of column second ribs are provided with column second projections 264, and the cross-sectional size of the second column projections is larger than that of the second column ribs.

Wherein, there are many structural forms of the first post protrusion 263 and the second post protrusion 264, for example: the protrusion can be plate-shaped, rod-shaped or column-shaped, etc.; when the protrusion is rod-shaped, it can be Straight rods and curved rods are arranged at an angle to the ribs, and multiple barbs or small protrusions can also be arranged on the protrusions.

Preferably, the column protrusion is formed by directly thickening the end of the rib, which has a simple structure and is convenient for processing.

There can be one or more post first protrusions 263 and post second protrusions 264 .

In this embodiment, the first protrusion 263 of the column can improve the connection strength between the first rib of the column and the first side plate of the column and the second side plate of the column, especially when the first side plate 21 of the column and the second side plate 22 of the column adopt When the concrete is prefabricated, the first protrusion 263 of the column extends into the concrete like a root, and the first protrusion 263 of the column can improve the anchoring force between the first tendon of the column and the first side plate of the column and the second side plate of the column, so that the two The concrete is more firm, which makes it more convenient to pour the concrete in the later stage.

The second protrusion of the column can improve the connection strength between the second reinforcement of the column and the third side plate of the column and the fourth side plate of the column, especially when the third side plate of the column and the fourth side plate of the column are prefabricated with concrete, the second protrusion of the column Like roots extending into the concrete, the second protrusion 264 of the column can increase the anchoring force between the second bar of the column and the third side plate of the column and the fourth side plate of the column, thereby making the two more firm, and then making the later pouring Pouring construction concrete is more convenient.

There are a plurality of prefabricated columns 200, and the plurality of prefabricated columns 200 are arranged sequentially from top to bottom. The prefabricated column 200 at the bottom is connected to the foundation 100 through the foundation connecting steel bar 01; among the two adjacent prefabricated columns 200, the upper one is the upper layer Prefabricated columns, the lower ones are the lower prefabricated columns.

As shown in Figure 3, the prefabricated main girder is as follows:

The prefabricated main girder includes the main girder shell and the main girder reinforcement cage; the main girder shell is wrapped on the outside of the main girder reinforcement cage. Wherein, the main girder shell can be made of various materials, such as wood board, plastic board or metal board.

Preferably, the concrete is prefabricated, that is, the concrete is prefabricated in the factory, so that it can be integrated with the construction concrete poured on site after the prefabricated main beam arrives at the construction site, so that the beam has uniform material, fewer types, and regular structure.

The shell of the main girder includes the left side plate 31 of the main girder, the bottom plate 33 of the main girder and the right side plate 32 of the main girder connected in sequence; The longitudinal reinforcement is 34, the left plate of the main beam is connected to the left outer side of the main beam steel mesh group, the right side plate of the main beam is connected to the right outer side of the main beam steel mesh group, and the main beam bottom plate is connected to the main beam steel mesh group Bottom outside.

In this embodiment, the main girder shell and the main girder longitudinal reinforcement 34 are separated by the main girder reinforcement mesh group. During on-site pouring construction, the main girder shell can serve as a formwork, which simplifies the construction steps and improves the construction efficiency. The prefabricated main girder is in the form of a shell, and the overall weight is light, which is convenient for transportation and hoisting.

On the basis of the above-mentioned embodiments, further, the main girder reinforcement mesh group includes a plurality of main girder reinforcement mesh sheets 35 arranged at intervals along the direction of the main girder longitudinal bars; Rib 351, and a plurality of main beam second ribs 352 arranged at intervals along the extending direction of the first main beam; the left ends of the plurality of main beam second ribs 352 all stretch out a main beam first rib 351, and a plurality of main beam second ribs 352 extend out from each other. The right end of beam second rib 352 all stretches out another main beam first rib 351; The lower end of main beam first rib 351 all stretches out all main beam second ribs 352; The left side plate of the main beam is connected, the right ends of the second ribs 352 of the main beam are connected with the right side plate of the main beam, and the lower ends of the first ribs of the two main beams are connected with the bottom plate of the main beam.

In this embodiment, the connection to the shell of the main beam is realized through the end of the steel mesh sheet 35 of the main beam, which is simple, convenient and easy to construct, thereby saving a large amount of steel, without bending and binding, suitable for mass production, and has a high degree of industrialization.

On the basis of the above embodiments, further, the lower end of the first rib 351 of the main beam is provided with a first protrusion 353 of the main beam, and the cross-sectional size of the first protrusion 353 of the main beam is larger than that of the first rib of the main beam. The left and right ends of the plurality of second ribs of the main beam are provided with second protrusions 354 of the main beam, and the cross-sectional size of the second protrusions 354 of the main beam is larger than that of the second ribs of the main beam.

Wherein, the structural forms of the first protrusion 353 of the main beam and the second protrusion 354 of the main beam are various, for example: they can be plate-shaped, rod-shaped or column-shaped; when the first protrusion of the main beam or the second protrusion of the main beam When it is in the shape of a rod, it can be a straight rod or a curved rod, which is set at an angle to the ribs, and a plurality of barbs or small protrusions can also be arranged on the first protrusion of the main beam or the second protrusion of the main beam; or the first protrusion of the main beam The bulge is directly formed by piering the lower end of the first rib.

Preferably, the second protrusion of the main girder is directly thickened from the end of the second rib, which has a simple structure and is convenient for processing. Further, the first protrusion of the main beam and the first rib of the main beam form a T-shape, and the second protrusion of the main beam and the second rib of the main beam form a T-shape, which is simple in structure.

There can be one or more main beam first protrusions and main beam second protrusions.

In this embodiment, the first protrusion of the main beam can increase the strength of the connection between the first rib of the main beam and the bottom plate of the main beam, and the second protrusion of the main beam can increase the strength of the connection between the second rib of the main beam and the side plate of the main beam, especially When the shell of the main beam is prefabricated with concrete, the first protrusion of the main beam and the second protrusion of the main beam extend into the concrete like roots, thereby increasing the anchoring force between the steel mesh group of the main beam and the concrete, so that the two are more It is firm, which makes it more convenient to pour concrete in the later stage.

As shown in Figure 4, the prefabricated secondary beams are as follows:

The prefabricated secondary beam includes the secondary beam shell and the secondary beam reinforcement cage; the main beam reinforcement cage includes the main beam reinforcement mesh group and the main beam longitudinal reinforcement 34 connected in the main beam reinforcement mesh group, and the secondary beam casing includes the sequentially connected secondary beams The left side plate 41 , the secondary beam bottom plate 43 and the secondary beam right side plate 42 .

The secondary beam reinforcement mesh group includes a plurality of secondary beam reinforcement mesh sheets 45 arranged at intervals along the longitudinal reinforcement direction of the secondary beam; A plurality of secondary beam second ribs 452 arranged at intervals in the direction of extension; the left ends of the plurality of secondary beam second ribs 452 stretch out a secondary beam first rib 451, and the right ends of a plurality of secondary beam second ribs 452 stretch out The first rib 451 of another secondary beam; the lower end of the first rib 451 of the secondary beam all stretches out the second rib 452 of all secondary beams; The right end of the second rib is connected with the right side plate of the secondary beam, and the lower ends of the first ribs of the two secondary beams are connected with the bottom plate of the secondary beam.

The lower end of the first rib of the secondary beam is provided with a first protrusion 453 of the secondary beam, and the cross-sectional size of the first protrusion 453 of the secondary beam is larger than that of the first rib of the secondary beam. The left end and the right end of the plurality of secondary beam second ribs are provided with secondary beam second protrusions 454 , and the cross-sectional size of the secondary beam second protrusions 454 is larger than the cross-sectional size of the secondary beam second ribs.

Each structure in the prefabricated secondary girder can be set in the same way as each structure in the prefabricated main girder, and the structure is unified to facilitate production. As mentioned above, details will not be repeated here.

According to the different connection forms between the prefabricated secondary beam and the prefabricated main beam, the prefabricated secondary beam can be divided into a first prefabricated secondary beam 410 and a second prefabricated secondary beam 420, and the end of the first prefabricated secondary beam 410 is connected with the prefabricated main beam to form a T type; one ends of the two second prefabricated secondary beams 420 are respectively connected to the prefabricated main beam, and the two prefabricated secondary beams are respectively located on opposite sides of the prefabricated main beam.

After transporting the prefabricated main beam, prefabricated secondary beam and prefabricated column 200 to the construction site,

Construction can be carried out as follows:

Step 1: As shown in FIG. 5 , the foundation 100 is formed by laying out wires, positioning the foundation, and pouring on site; the foundation 100 includes the foundation body and the foundation steel bars arranged in the foundation body and protruding from the upper end surface of the foundation body. Connect one end of the foundation connecting reinforcement 01 to the foundation reinforcement, and connect the other end to the reinforcement cage of the prefabricated column 200 on the ground floor.

Wherein, the connection mode between the basic connecting steel bar 01 and the basic steel bar can be various, for example: welding, iron wire binding and so on.

Preferably, the connecting steel bar is connected to the basic steel bar through a steel bar connecting piece (it may be a threaded connecting piece, it may be an extruded connecting piece, and the connecting piece is not limited in form). The connection is quick and convenient, and the cost is low.

There are many ways to connect the foundation connecting reinforcement 01 and the column reinforcement cage, for example: welding, binding with iron wires, or connecting through reinforcement connectors, etc.

Preferably, the column connection reinforcement includes column connection longitudinal reinforcement, the column reinforcement cage includes column longitudinal reinforcement and column reinforcement mesh group, the column shell is wrapped on the outside of the column reinforcement mesh group, and the column longitudinal reinforcement is arranged in the column reinforcement mesh group; One end of the connecting longitudinal reinforcement is integrated with the column longitudinal reinforcement, and the other end is connected with the foundation reinforcement.

In this embodiment, the foundation connecting longitudinal reinforcement and the column longitudinal reinforcement are integrally arranged, that is, during the production process of the prefabricated column 200, the column longitudinal reinforcement extends the lower end of the column shell, and the protruding part of the column longitudinal reinforcement forms the connecting longitudinal reinforcement, which directly connects the column longitudinal reinforcement. The protruding part of the reinforcement is connected with the foundation reinforcement, thereby reducing the connection process between the foundation connection longitudinal reinforcement and the column longitudinal reinforcement to further improve construction efficiency, and can also reduce transportation parts, further facilitating construction.

The extension direction of the foundation connection longitudinal reinforcement is consistent with the extension direction of the prefabricated column 200, the foundation connection reinforcement 01 may also include the foundation connection transverse reinforcement perpendicular to the extension direction of the prefabricated column 200, the foundation connection longitudinal reinforcement and the foundation connection transverse reinforcement are interlaced to form a hollow structure, Thereby the strength at the node can be strengthened.

In this way, the installation of all the columns on the ground floor is completed.

Step 2: As shown in Figure 1, install the prefabricated main beam on the ground floor. Connectors include column connection reinforcement cage 02 and beam-column connection reinforcement; the extension direction of the beam-column connection reinforcement is consistent with the extension direction of the prefabricated main beam, one end of the column connection reinforcement cage 02 is connected to the upper end of the column reinforcement cage, and the two prefabricated main beams One is located on both sides of the upper end of the prefabricated column 200, the beam-column reinforcement passes through the column to connect the reinforcement cage 02, and one end is connected to a beam reinforcement cage, and the other end is connected to another beam reinforcement cage; the prefabricated column 200 is vertically arranged, and the prefabricated The main girder is set horizontally.

There are many ways to connect the column connection reinforcement cage 02 to the lower column reinforcement cage (the bottom prefabricated column 200 is the lowermost prefabricated column 220 ), for example: welding, iron wire binding or fixing by steel connectors.

Preferably, the column connection reinforcement cage 02 is integrated with the lower column reinforcement cage; that is, during the production process of the lower prefabricated column 220, the reinforcement cage of the lower prefabricated column 220 protrudes from the upper end of the lower shell of the lower prefabricated column 220, and the reinforcement cage of the lower layer prefabricated column 220 The protruding part forms the column connection reinforcement cage 02, so that the connection process between the column connection reinforcement cage 02 and the reinforcement cage of the lower prefabricated column 220 can further improve the construction efficiency, and can also reduce the transportation parts, further facilitating the construction.

On the basis of the above-mentioned embodiments, further, the beam-column connection reinforcement includes beam-column connection waist reinforcement; the beam-column connection waist reinforcement is penetrated in the column connection reinforcement cage 02, and one end of the beam-column connection waist Beam reinforcement cage, and the other end is lapped on another main beam reinforcement cage. The beam-column connection structure is simple and easy to install, and the construction is simple.

The number of beam-column connecting ribs can be one or multiple, and the connecting ribs can be one layer or multiple layers.

On the basis of the above embodiments, further, the beam-column connection reinforcement also includes beam-column penetration longitudinal reinforcement; the beam-column penetration longitudinal reinforcement passes through the column connection reinforcement cage 02, and one end of the beam-column penetration longitudinal reinforcement is lapped on a main beam reinforcement One end of the cage away from the beam-column connection reinforcement cage 02 is overlapped with another end of the main beam reinforcement cage away from the beam-column connection reinforcement cage 02.

In this embodiment, the length of the beam-column passing through the longitudinal reinforcement is not less than the length of the two prefabricated main beams plus the gap distance between the two prefabricated main beams. strength of the resulting beam.

Wherein, the beam-column penetrating longitudinal reinforcement may be one or more.

Preferably, the beam-column penetrating longitudinal reinforcement includes the beam-column upper penetrating longitudinal rib and the beam-column lower penetrating longitudinal rib; the beam-column upper penetrating longitudinal rib is arranged at the top of the prefabricated main beam, and the beam-column lower penetrating longitudinal rib is arranged at the bottom of the prefabricated main beam . The upper and lower sides of the prefabricated main girder are provided with through longitudinal reinforcement, which can further improve the connection strength.

It should be noted that there may be four prefabricated main girders, each located on four sides of the upper end of the prefabricated column.

Step 3: Install the prefabricated secondary beams on the ground floor. According to the different installation forms of the prefabricated secondary beam and the prefabricated main beam, the prefabricated secondary beam can be divided into a first prefabricated secondary beam 410 and a second prefabricated secondary beam 420, one end of the first prefabricated secondary beam is connected with the prefabricated main beam, and the two One end of each second prefabricated secondary beam is connected to the prefabricated main beam.

Among them, the connection between the first prefabricated secondary beam 410 and the prefabricated main beam:

The prefabricated structure system also includes the first primary and secondary beam connection port and the first primary and secondary beam connection longitudinal reinforcement 05; the first primary and secondary beam connection port is set at a designated position on the main beam shell, and the first primary and secondary One end is inserted in the connection port of the first primary and secondary beams, and the other end is connected with the reinforcement cage of the primary beam; three connection methods can be used.

The first type, as shown in FIGS. 7 a to 7 b , the first main beam connection port includes a first primary and secondary beam connection slot 071 . The first primary and secondary beam connection slot 071 is set on the prefabricated main beam, and a gap is set on the main beam shell to form the first primary and secondary beam connection slot, and the size of the first primary and secondary beam connection slot is not smaller than that of the prefabricated secondary beam. The cross-sectional size can be prepared by using a mold to make gaps in the shell of the main beam during the production of the prefabricated main beam; or cutting the shell of the main beam after the production of the prefabricated main beam is completed.

When the main girder shell includes the main girder left side plate, the main girder bottom plate and the main girder right side plate connected in sequence, a notch is provided on one of the main girder left side plate and the main girder right side plate that is close to the first prefabricated secondary girder 410 .

The prefabricated main girder and the first prefabricated secondary girder 410 are vertically arranged, and the prefabricated main girder and the first prefabricated secondary girder 410 are transported to the construction site. Side wall; one end of the first primary and secondary beam connecting longitudinal reinforcement 05 is inserted into the connection slot, and the other end is connected with the secondary beam reinforcement cage.

In the second type, as shown in Figures 8a to 8b, the first primary and secondary beam connection ports include first primary and secondary beam connection intervals 072, and the main beam shell includes first main beam shells arranged at intervals along the extension direction of the main beam reinforcement cage and The second main beam shell is to form the first primary and secondary beam connection interval, the main beam reinforcement cage at the interval between the first main beam shell and the second main beam shell is exposed, and the size of the first primary and secondary beam connection interval 072 is not Smaller than the cross-sectional size of the first prefabricated secondary beam 410, so that one end of the first prefabricated secondary beam 410 can be closely abutted with the prefabricated main beam, the main beam reinforcement cage remains intact, and the first primary and secondary beam connection interval 072 connects the main beam reinforcement cage The corresponding part of the exposed part can be used in the process of producing the prefabricated main beam, so that the shell of the main beam can be reserved with a mold.

During the construction process, the prefabricated main beam and the first prefabricated secondary beam 410 are vertically arranged, and the prefabricated main beam and the first prefabricated secondary beam 410 are transported to the construction site. After hoisting and positioning, one end of the first prefabricated secondary beam 410 is placed close to the main beam One side wall of the shell; one end of the first primary and secondary beam connecting longitudinal reinforcement 05 is inserted into the exposed main beam reinforcement cage from the side of the first prefabricated secondary beam 410 through the first primary and secondary beam connection interval 072, and the other end is connected with the The steel cage connection of the first prefabricated secondary beam 410 .

The third type, as shown in Figures 9a to 9b, the first primary and secondary beam connection port includes a first primary and secondary beam connection socket 073, and the first primary and secondary beam connection socket 073 is set on the main beam shell, so that the first The primary and secondary beam connecting longitudinal reinforcement 05 can pass through the first primary and secondary beam connecting socket 073 from the outside of the main beam shell and enter the main beam reinforcement cage. During the production of the prefabricated main girder, molds can be used to reserve the first primary and secondary girder connecting sockets 073 in the shell of the main girder; or after the production of the prefabricated main girder is completed, the shell of the main girder can be drilled.

During the construction process, the prefabricated main girder and the first prefabricated secondary girder 410 are vertically arranged, and the prefabricated main girder and the second prefabricated secondary girder 420 are transported to the construction site. One side wall of the shell; one end of the first primary and secondary beam connecting longitudinal reinforcement 05 is inserted from the side of the first prefabricated secondary beam 410 through the first primary and secondary beam connecting socket 073 into the beam reinforcement cage in the main beam shell, and the other One end is connected with the secondary beam reinforcement cage of the primary beam.

Among them, there are many ways to connect the longitudinal reinforcement 05 of the first primary and secondary beams to the reinforcement cage of the secondary beams, for example, binding with iron wires or connecting with steel fasteners.

Preferably, one end of the connecting longitudinal reinforcement 05 of the first primary and secondary beams is located in the reinforcement cage of the main beam, and the other end is overlapped in the reinforcement cage of the primary beam and extends to an end of the reinforcement cage of the primary beam away from the prefabricated main beam, The installation is simple, and after the construction concrete is poured on site in the later stage, the formed beam has sufficient strength.

On the basis of the above embodiment, further, the connecting longitudinal reinforcement of the first primary and secondary beams includes the upper longitudinal reinforcement of the first primary and secondary beams and the lower longitudinal reinforcement of the first primary and secondary beams; the upper longitudinal reinforcement of the first primary and secondary beams is arranged on the first The upper part of the reinforcement cage of the secondary beam, and the lower longitudinal reinforcement of the first primary and secondary beams are arranged at the lower part of the reinforcement cage of the primary beam, which can further strengthen the strength of the beam.

The connecting longitudinal reinforcements of the first primary and secondary beams include the upper longitudinal reinforcements of the first primary and secondary beams and the lower longitudinal reinforcements of the first primary and secondary beams, and the number of both may be one or multiple.

Preferably, the upper longitudinal bars of the first primary and secondary beams are L-shaped, and the corners of the upper longitudinal bars are located in the reinforcement cage of the main beam, so that the distance between the upper longitudinal bars of the first primary and secondary beams and the construction concrete 100 can be increased. anchoring force.

Of course, the longitudinal reinforcement at the lower part of the first primary and secondary beams can also be L-shaped. Protrusions, barbs, etc. can also be provided on both to increase the anchoring force with the construction concrete 100 .

Of course, it is also possible to arrange multi-layer connecting longitudinal ribs between the upper side and the lower side

The connection between the second prefabricated secondary beam 420 and the prefabricated main beam:

The prefabricated structural system also includes the second primary and secondary beam connection ports and the second primary and secondary beam connection reinforcement; two second prefabricated secondary beams 420 are arranged on both sides of the prefabricated main beam; the second primary and secondary beam connection ports are set on the main At the specified position on the beam shell, the second primary and secondary beam connecting reinforcement is pierced in the first primary and secondary beam connection opening, and one end of the second primary and secondary beam connecting through longitudinal reinforcement 06 is connected to a second beam reinforcement cage, and the other end is connected to Another secondary beam steel cage connection, there are three types of connection structure.

The first type, as shown in Figures 10a to 10b, the second primary and secondary beam connection port includes a second primary and secondary beam connection slot 081, and the second primary and secondary beam connection slot 081 is arranged on the prefabricated main beam, on the main beam shell Set the gap to form the second primary and secondary beam connection slot 081, the size of the second primary and secondary beam connection slot 081 is not smaller than the cross-sectional size of the prefabricated secondary beam, and the mold can be used to make the main beam shell Reserve gaps; or cut the shell of the main girder after the production of the prefabricated main girder is completed.

The second primary and secondary beam connection slots include at least two openings, and the two openings are arranged opposite to each other, so that the second primary and secondary beams are connected through longitudinal ribs 06 and placed behind the second primary and secondary beam connection slots 081, and the second primary and secondary beams The two ends of the connecting through longitudinal reinforcement 06 can protrude to be respectively connected with the reinforcement cages of the two second prefabricated secondary beams, or the reinforcement cages of the two secondary beams can extend into the connecting slots to connect with the connecting longitudinal reinforcements.

During the construction process, the prefabricated main girder and the second prefabricated secondary girder are vertically arranged, and the prefabricated main girder and the two second prefabricated secondary girders 420 are transported to the construction site. Close to the two side walls of the main beam shell; the second primary and secondary beam connecting through longitudinal reinforcement 06 is located in the second primary and secondary beam connecting slot, one end is connected with a steel cage of a first prefabricated secondary beam 410, and the other end is connected with the other A steel cage connection of the second prefabricated secondary beam 420 .

The second type, as shown in Figures 11a to 11b, the first primary and secondary beam connection port includes a second primary and secondary beam connection interval 082, and the main beam shell includes first main beam shells arranged at intervals along the extension direction of the main beam reinforcement cage and The second main beam shell is to form the second primary and secondary beam connection interval 082, the main beam reinforcement cage at the interval between the first main beam shell and the second main beam shell is exposed, and the size of the second primary and secondary beam connection interval is different. Smaller than the cross-sectional size of the second prefabricated secondary beam, so that one end of the second prefabricated secondary beam can be closely contacted with the prefabricated main beam, and the reinforcement cage of the main beam remains intact. During the production of the prefabricated main beam, the mold can be used to make the shell of the main beam Reserve interval.

During the construction process, the two second prefabricated secondary beams 420 are perpendicular to the prefabricated main beam 300, and are respectively located on both sides of the prefabricated main beam. side walls; the second primary and secondary beams connect through longitudinal reinforcement 06 and pass through the second primary and secondary beams connecting interval 082 in the main beam reinforcement cage at the corresponding position, one end is connected with the reinforcement cage of a second prefabricated secondary beam 420, and the other end It is connected with the reinforcement cage of another second prefabricated secondary beam 420 .

The third type, as shown in Figures 12a to 12b, the second primary and secondary beam connection ports include the second primary and secondary beam connection sockets 083, and the second primary and secondary beam connection sockets are provided on the left and right side plates of the main beam shell, so as to The second primary and secondary beams are connected through the longitudinal reinforcement 06 to enter the main beam reinforcement cage through the second primary and secondary beam connection sockets from the outside of the main beam shell. In the process of producing the prefabricated main girder, the mold can be used to reserve the second primary and secondary beam connecting sockets 083 in the shell of the main girder; or after the production of the prefabricated main girder is completed, the shell of the main girder can be drilled.

During the construction process, the prefabricated main beam and the second prefabricated secondary beam 420 are vertically arranged, and one end of the two second prefabricated secondary beams 420 is respectively close to the two side walls of the main beam shell; the second primary and secondary beams are connected through longitudinal reinforcement 06 Pass through the second primary and secondary beam connection socket 083 on the left and right side panels, one end is connected to the left secondary beam reinforcement cage through the second primary and secondary beam connection socket on the left panel, and the other end is connected to the left secondary beam reinforcement cage through the right panel The connecting socket of the second primary and secondary beams is connected with the reinforcement cage of the second secondary beam on the right side.

In this embodiment, the outer shell of the secondary beam and the longitudinal reinforcement of the secondary beam are separated by the reinforcement mesh group of the main beam, and the outer shell of the secondary beam can serve as a formwork during on-site pouring construction, which simplifies the construction steps and improves the construction efficiency. The prefabricated secondary beam is in the form of a shell, which is light in overall weight and convenient for transportation and hoisting.

There are many ways to connect the second primary and secondary beams through the longitudinal reinforcement 06 and the reinforcement cage of the secondary beam, for example: binding with iron wires or connecting with steel fasteners.

Preferably, one end of the second primary and secondary beams connecting through the longitudinal reinforcement 06 is connected to one end of a second prefabricated secondary beam away from the prefabricated main beam, and the other end passes through the connection port of the second primary and secondary beams and is connected to another second prefabricated secondary beam. The beams are connected at one end away from the prefabricated main beam.

In this embodiment, one end of the second primary and secondary beams connecting through longitudinal ribs 06 is lapped on one end of a second prefabricated secondary beam far away from the prefabricated main beam, and the other end is lapped on another second prefabricated secondary beam far away from the prefabricated end of the main beam. Concrete poured on site later. The connection of the second primary and secondary beams through the longitudinal reinforcement 06 is easy to set, which can further improve the construction efficiency and ensure the strength of the beams.

On the basis of the above-mentioned embodiments, further, the second primary and secondary beam connecting through longitudinal reinforcement 06 includes the upper part of the second primary and secondary beam through the longitudinal reinforcement and the second primary and secondary beam through the lower part of the longitudinal reinforcement, the second primary and secondary beam The reinforcement is located at the upper part of the two second prefabricated secondary beams, and the longitudinal reinforcement at the lower part of the second primary and secondary beams is located at the lower part of the two second prefabricated secondary beams.

In this embodiment, the upper part of the second primary and secondary beams penetrates the longitudinal ribs and the lower part of the second primary and secondary beams penetrates the longitudinal ribs, and the number of both can be one or more. At the same time, the upper through longitudinal reinforcement of the second primary and secondary beam and the lower through longitudinal reinforcement of the second primary and secondary beam can be arranged to further increase the strength of the connection node and further increase the strength of the beam.

The second primary and secondary beams connecting through longitudinal reinforcements can be multiple or multi-layered.

The fourth step is to pour construction concrete on site. After all the prefabricated main beams, prefabricated secondary beams and prefabricated columns 200 on the bottom floor have been installed, install the floor slab (the form of the floor slab is not limited, it can be a laminated floor slab, SP slab, cast-in-place slab, etc.), and then pour concrete. Floor slabs, prefabricated main beams, prefabricated secondary beams and prefabricated columns 200 are integrally poured. Complete the installation of the underlying frame.

Step 5: As shown in Figure 6, the connection between the upper column and the lower column. The prefabricated structure system also includes column connecting longitudinal reinforcement, and the extending direction of the column connecting longitudinal reinforcement is consistent with the extending direction of the prefabricated column 200 . Between every two adjacent prefabricated columns 200, there are column connecting reinforcement cages 02 and column connecting longitudinal reinforcements, wherein the column connecting reinforcement cages 02 are connected to the reinforcement cages of the lower prefabricated columns 220, and one end of the column connecting longitudinal reinforcements is connected to the upper prefabricated The longitudinal reinforcement of the column 210 is connected, and the other end is inserted into the column connection reinforcement cage 02 and fixed

There are many ways to connect the column connecting longitudinal reinforcement to the lower end of the column longitudinal reinforcement of the upper prefabricated column 210 , for example: welding, iron wire binding, or connection through steel fasteners.

There are many ways to connect the upper end of the column connection reinforcement cage 02 to the column reinforcement cage of the lower prefabricated column 220 , for example: welding, iron wire binding, or connection through reinforcement fasteners.

Preferably, the column connecting longitudinal reinforcement is integrated with the column longitudinal reinforcement of the upper prefabricated column 210 , and the column connecting reinforcement cage 02 is integrated with the column reinforcement cage of the lower prefabricated column 220 . That is, during the production process of the upper precast column 210, the column longitudinal reinforcement of the upper precast column 210 protrudes from the lower end of the column shell of the upper precast column 210, and the protruding part of the column longitudinal reinforcement of the upper column forms a column connecting longitudinal reinforcement, and the lower precast column 220 During the production process, the column reinforcement cage of the lower prefabricated column 220 protrudes from the upper end of the column shell of the lower prefabricated column 220, and the protruding part of the column reinforcement cage of the lower column forms a column connecting reinforcement cage 02, directly connecting the column longitudinal reinforcement of the upper column The protruding part is connected with the protruding part of the column reinforcement cage of the lower column, thereby reducing the connection process between the column connection longitudinal reinforcement and the column longitudinal reinforcement and the connection process of the column connection reinforcement cage 02 and the column reinforcement cage, further improving the construction efficiency, and can also Reduced transport parts further facilitate construction.

There are many ways of fixed connection between column connection longitudinal reinforcement and column connection reinforcement cage 02, for example: welding or binding by iron wire, etc.

Preferably, the column connecting steel bar is connected to the column connecting steel bar cage 02 through a steel bar connecting piece. The connection is fast and convenient, and the cost is low.

After completing the installation of the prefabricated column 200 on the second floor, formwork is then set up at the end of the column on the second floor. For the installation steps of the main beam, secondary beam and floor slab, refer to the second, third, and fourth steps. This reciprocation finally completes the installation of the main structure of the building.

In the prefabricated structural system provided by the present invention, the prefabricated column 200, the prefabricated main beam 300 and the prefabricated secondary beam 400 all include a reinforcement cage and a shell wrapped outside the reinforcement cage. A small part of the area, such as the column between the upper precast column 210 and the lower precast column 220, supports the formwork at the reinforcement cage 02, and then completes the overall on-site pouring of construction concrete. The shell can be used as a formwork, and there is no need to set a large number of formworks at the prefabricated columns 200, prefabricated main beams, and prefabricated secondary beams, which can greatly reduce the modulus, so that the construction is simple and the construction efficiency is high.

The workload of on-site steel bar binding is greatly reduced, and the construction process is simple, so that the construction efficiency can be improved and the construction cost can be saved.

The prefabricated beams, prefabricated columns and other prefabricated components are integrally poured on site, the structural force is reasonable, and the overall performance is equivalent to that of ordinary cast-in-place concrete structures. It has the characteristics of safety and reliability, simplified construction, saving materials, reducing dust and construction waste, etc. Market Competitiveness.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. A prefabricated structural system, characterized in that it comprises: a foundation, prefabricated columns and prefabricated column beams; The foundation includes a foundation body and foundation steel bars that are arranged in the foundation body and protrude from the upper end surface of the foundation body; the prefabricated column includes a column reinforcement cage and a column shell with openings at both ends, and the column shell is wrapped in The outside of the column reinforcement cage; the prefabricated column beam includes a column beam reinforcement cage and a column beam shell with openings at least at both ends, and the column beam shell is wrapped on the outside of the column beam reinforcement cage; It also includes foundation connecting reinforcement; one end of the foundation connecting reinforcement is connected to the foundation reinforcement, and the other end is connected to the lower end of the column reinforcement cage; It also includes a column connection reinforcement cage and a beam-column connection reinforcement; the extension direction of the beam-column connection reinforcement is consistent with the extension direction of the prefabricated column beam, and one end of the column connection reinforcement cage is connected to the upper end of the column reinforcement cage, The two prefabricated column beams are located on both sides of the upper end of the prefabricated column, and the beam-column reinforcement passes through the column connection reinforcement cage, and one end is connected to one of the beam reinforcement cages, and the other end is connected to the other. The beams are connected with reinforcement cages; the prefabricated columns are arranged vertically, and the prefabricated beams are arranged horizontally; The inner cavity of the prefabricated column, the inner cavity of the prefabricated column beam, the foundation connection reinforcement and the column connection reinforcement cage are all poured with construction concrete on site. 2. The prefabricated structural system according to claim 1, characterized in that, it also includes column connecting longitudinal reinforcements whose extension direction is consistent with that of the prefabricated column; there are multiple prefabricated columns, and multiple prefabricated columns The columns are arranged sequentially from top to bottom, and the prefabricated columns at the bottom are connected to the foundation through the foundation connecting reinforcement; Among the two adjacent prefabricated columns, the upper one is the upper prefabricated column, and the lower one is the lower prefabricated column; a column connecting reinforcement cage and a column connecting longitudinal reinforcement are arranged between each adjacent two prefabricated columns, Wherein, the column connection reinforcement cage is connected with the reinforcement cage of the lower prefabricated column, one end of the column connection longitudinal reinforcement is connected with the longitudinal reinforcement of the upper prefabricated column, and the other end is inserted into the column connection reinforcement cage and fixed; The upper prefabricated column, the lower prefabricated column and the column connecting reinforcement cage are simultaneously poured with the construction concrete on site. 3. The prefabricated structural system according to claim 1, further comprising a first prefabricated secondary beam, said first prefabricated secondary beam comprising a primary beam reinforcement cage and a primary beam with openings at least at both ends an outer shell, the outer shell of the first beam is wrapped around the reinforcement cage of the first beam; It also includes a first primary and secondary beam connecting port and a first primary and secondary beam connecting longitudinal reinforcement; the first primary and secondary beam connecting port is arranged at a designated position on the column-beam shell, and the first primary and secondary beam connecting longitudinal reinforcement one end of which is inserted into the first primary and secondary beam connection port, and the other end is connected to the primary beam reinforcement cage; The first primary and secondary beam connection ports and the inner cavity of the first prefabricated secondary beam are simultaneously poured with construction concrete on site. 4. The prefabricated structural system according to claim 1, further comprising two second prefabricated secondary beams, the two second prefabricated secondary beams are oppositely arranged on both sides of the prefabricated column beams; Each of the second prefabricated secondary beams includes a second beam reinforcement cage and a second beam shell with at least two ends open, and the second beam shell is wrapped around the outside of the second beam reinforcement cage; It also includes a second primary and secondary beam connecting port and a second primary and secondary beam connecting reinforcement; the second primary and secondary beam connecting port is arranged at a designated position on the column-beam shell, and the second primary and secondary beam connecting reinforcing bar is passed through In the connection port of the second primary and secondary beams, one end of the second primary and secondary beams connecting through longitudinal bars is connected to one of the second beam reinforcement cages, and the other end is connected to the other second beam reinforcement cage ; Construction concrete is poured at the connection port of the second primary and secondary beams and the inner cavity of the prefabricated secondary beams at the same time. 5. The fabricated structural system according to claim 2, characterized in that, the column connecting reinforcement cage is integrated with the column reinforcement cage; The column reinforcement cage includes a column reinforcement mesh group and column longitudinal reinforcement extending in the extension direction of the column casing, the column casing is wrapped outside the reinforcement mesh group, and the column longitudinal reinforcement is arranged on the reinforcement mesh in the film group; The column connecting longitudinal reinforcement is integrated with the column longitudinal reinforcement. 6. The prefabricated structural system according to any one of claims 1-5, characterized in that, the beam-column connecting steel bars include beam-column connecting waist bars; the beam-column connecting waist bars are installed on the column connected to the reinforcement cage, and one end of the beam-column connecting waist bar is overlapped on one of the beam reinforcement cages, and the other end is overlapped on the other beam reinforcement cage; And/or, the beam-column connection reinforcement further includes a beam-column through-through longitudinal bar; the beam-column through-through longitudinal bar passes through the column-connection reinforcement cage, and one end of the beam-column through-through longitudinal bar is lapped on a beam reinforcement cage One end of the reinforcement cage far away from the column connection, and the other end is lapped on the other end of the beam reinforcement cage away from the column connection reinforcement cage. 7. The fabricated structural system according to claim 5, wherein the group of column reinforcement meshes comprises a plurality of column reinforcement meshes sequentially arranged at intervals along the extension direction of the column longitudinal reinforcement; Each of the column reinforcement mesh sheets includes a plurality of column first reinforcements and a plurality of column second reinforcements; a plurality of the column first reinforcements and a plurality of the column second reinforcements are arranged alternately to form a grid Structure; both ends of the plurality of first ribs of the columns extend out of all the second ribs of the columns, and both ends of the plurality of second ribs of the columns extend out of the first ribs of all the columns; The column shell includes the first column side panel, the column third side panel, the column second side panel and the column fourth side panel connected end to end in sequence, and the first ends of the plurality of column first ribs are connected to the column second side panel. One side plate is connected, the second ends of the plurality of first ribs of the column are connected with the second side plate of the column, the first ends of the second ribs of the plurality of columns are connected with the third side plate of the column, The second ends of the plurality of second ribs of the column are all connected to the fourth side plate of the column. 8. The prefabricated structure system according to claim 7, characterized in that, both ends of the first rib of the column are provided with a first projection of the column, and the cross-sectional size of the first projection of the column is larger than that of the column The cross-sectional size of the first rib; Both ends of the plurality of second ribs are provided with second protrusions, and the cross-sectional size of the second protrusions is larger than that of the second ribs. 9. The fabricated structural system according to claim 1, wherein the column-beam shell includes a column-beam left panel, a column-beam bottom panel, and a column-beam right panel connected in sequence; the column-beam reinforcement cage includes The column beam reinforcement mesh group and the column beam longitudinal reinforcement connected in the column beam reinforcement mesh group, the column beam left plate is connected to the left outer side of the column beam reinforcement mesh group, the column beam right The side plate is connected to the right outer side of the column-beam reinforcement mesh group, and the column-beam bottom plate is connected to the bottom outer side of the column-beam reinforcement mesh group. 10. The prefabricated structure system according to claim 9, characterized in that, the column-beam reinforcement mesh sheet includes oppositely arranged first column-beam ribs, and is arranged at intervals along the extending direction of the column-beam first ribs The second reinforcement of multiple columns and beams; The left ends of a plurality of the second ribs of the column and beams all protrude from the first ribs of the column and beams, and the right ends of the second ribs of the plurality of column and beams all protrude from the other first ribs of the column and beams; The lower ends of the first ribs of the beam protrude from all the second ribs of the column and beam; The left ends of the second ribs of the plurality of column beams are all connected to the left side panel of the column beam, the right ends of the second ribs of the plurality of column beams are all connected with the right side panel of the column beam, and the two column beams The lower ends of the first ribs are all connected to the column-beam bottom plate; The lower end of the first rib of the column beam is provided with a first protrusion of the column beam, and the cross-sectional size of the first protrusion of the column beam is larger than the cross-sectional size of the first rib of the column beam.