CN204876059U - Prefabricated assembled shaped steel concrete frame structure system - Google Patents

Abstract

The utility model discloses a prefabricated assembled steel concrete frame structure system. Prefabricated steel concrete node columns are fixedly connected with prefabricated steel concrete beams. The prefabricated steel concrete beams include prefabricated steel concrete node beams and prefabricated steel concrete main beams. The joint beam includes the joint steel beam and the joint beam concrete cladding layer wrapped around the joint steel beam, and the prefabricated steel concrete main beam includes the main steel beam and the main beam concrete cladding layer wrapped around the main steel beam , one end face of the node-shaped steel beam is fixedly connected to the main steel beam, and the other end face of the node-shaped steel beam is fixedly connected to the flange of the node central steel column. The first concrete layer to be poured, the other end of the concrete cladding layer of the node beam is fixedly connected with the concrete cladding layer of the node column; its advantages are good seismic performance, good fire performance, less on-site connection procedures, short construction period and less on-site wet work .

Description

A prefabricated steel concrete frame structure system

technical field

The utility model relates to a concrete structure system, in particular to a prefabricated assembled steel concrete frame structure system.

Background technique

In my country, the frame structure is the most widely prefabricated building structure form, mainly including prefabricated concrete frame structure and steel frame structure. The connection structure of the prefabricated concrete frame structure is relatively complicated, and the integrity and seismic performance of the structure are poor. The steel frame structure can be welded and bolted, the construction speed is fast, and the seismic performance is good, but its corrosion resistance and fire resistance are not as good as the prefabricated concrete frame structure, and the cost is high and the economic benefit is poor. The use of prefabricated steel concrete frame structure is one of the effective ways to solve the contradiction of the appeal. The existing prefabricated steel concrete frame structure system includes steel concrete columns and steel beams, but the corrosion resistance and fire performance of the steel beams are relatively poor.

Contents of the invention

The technical problem to be solved by the utility model is to provide a prefabricated steel concrete frame structure system with good earthquake resistance, good corrosion resistance and good fire resistance. Using this structure system can reduce on-site connection procedures, shorten the construction period and reduce on-site Wet workload.

The technical scheme adopted by the utility model to solve the above-mentioned technical problems is: a prefabricated assembled steel concrete frame structure system, including upper prefabricated steel concrete columns, prefabricated steel concrete node columns and lower prefabricated steel concrete columns fixedly connected sequentially from top to bottom The prefabricated steel concrete node column is fixedly connected with a prefabricated steel concrete beam, and the prefabricated steel concrete node column includes a node central steel column and a node column concrete cladding on the periphery of the node central steel column cladding, the prefabricated steel concrete beams include prefabricated steel concrete node beams and prefabricated steel concrete main girders, the prefabricated steel concrete node beams include node steel beams and cladding on the periphery of the node steel beams Node beam concrete cladding layer, the prefabricated steel concrete main beam includes a main steel beam and a main beam concrete cladding layer covering the periphery of the main steel beam, one end of the node steel beam The end face is fixedly connected to the main steel beam, the other end face of the node steel beam is fixedly connected to the flange of the node central steel column, and one end of the concrete cladding layer of the node beam is connected to the The first concrete layer to be poured is formed between the main beam concrete cladding layers, and the other end of the node beam concrete cladding layer is fixedly connected with the node column concrete cladding layer.

The prefabricated steel concrete node beam also includes a node beam reinforcement skeleton, the node beam reinforcement skeleton horizontally penetrates the node beam concrete cladding layer and the node beam reinforcement skeleton part is exposed on the node beam concrete The upper surface of the cladding layer, the prefabricated steel concrete main girder also includes a main girder steel skeleton, the main girder steel skeleton horizontally runs through the main beam concrete cladding layer and the main girder steel skeleton is partially exposed On the upper surface of the concrete cladding layer of the main beam, the reinforced skeleton of the node beam is fixedly connected with the reinforced skeleton of the main beam. The steel skeleton of the node beam exposed on the upper surface of the concrete cladding layer of the node beam and the steel skeleton of the main beam exposed on the upper surface of the concrete cladding layer of the main beam reserve the skeleton for laying the laminated slab on site later, which is conducive to improving the prefabricated steel concrete Integrity and stability between beams and laminated slabs laid on site.

The node beam reinforcement skeleton includes a plurality of first stirrup rings arranged side by side at intervals and first longitudinal reinforcement bars horizontally penetrating and fixed on the four corners of the first stirrup rings. The main beam reinforcement The skeleton includes a plurality of second stirrup circles arranged side by side at intervals and second longitudinal steel bars horizontally penetrating and fixed on the four corners of the second stirrup circles, the first longitudinal steel bars and the first Two longitudinal steel bars are fixedly connected.

The web of the main steel girder is fixedly connected to the web of the node steel beam through a connecting component, and the upper flange of the main steel beam is connected to the upper flange of the node steel beam Fixing by welding, the lower flange of the main steel beam is welded and fixed with the lower flange of the node steel beam. It is beneficial to firmly fix the main steel beam and the node steel beam together, increase the connection strength between the two, and reduce the risk of force fracture at the connection between the main steel beam and the node steel beam.

The connecting assembly includes a connecting steel plate and a threaded fastener, one end of the connecting steel plate is fixedly connected to the web of the node-shaped steel beam through the threaded fastener, and the other end of the connecting steel plate One end is fixedly connected with the web of the main steel beam through the threaded fastener.

The cross-sectional shape of the main steel beam is the same as the cross-sectional shape of the node steel beam.

The node-shaped steel beam is an I-beam corbel.

The upper prefabricated steel concrete column includes an upper central steel column and an upper concrete cladding layer, and the upper concrete cladding layer covers the outer periphery of the upper central steel column and the lower end of the upper central steel column Exposed on the upper concrete cladding layer, the lower prefabricated steel concrete column includes a lower central steel column and a lower concrete cladding layer, and the lower concrete cladding layer covers the outer periphery of the lower central steel column In addition, the upper end of the lower central steel column is exposed to the lower concrete cladding layer, the two ends of the node central steel column are respectively exposed to the concrete cladding layer of the node column, and the upper center The lower end face of the shaped steel column is fixedly connected with the upper end face of the node center shaped steel column, the lower end face of the node center shaped steel column is fixedly connected with the upper end face of the lower center shaped steel column, and the upper end face of the upper concrete clad A second concrete layer to be poured is formed between the first layer and the concrete cladding layer of the node column, and a third concrete layer to be poured is formed between the lower concrete cladding layer and the concrete cladding layer of the node column. The quality of the upper precast concrete column, precast concrete node column and lower precast concrete column can be guaranteed by making the upper precast concrete column, precast concrete node column and lower precast concrete column in the factory in advance. The lower end of the column is fixedly connected with the upper end of the lower center-shaped steel column, and then the upper concrete layer and the lower concrete layer are poured, which reduces the workload of wet work on site, reduces the construction process on site, and greatly shortens the construction period, which is beneficial to It is of great significance to increase the proportion of prefabricated structures in buildings and realize the industrialization of buildings.

Compared with the prior art, the utility model has the advantage of adopting the prefabricated assembled steel concrete frame structure system composed of upper prefabricated steel concrete columns, prefabricated steel concrete node columns, lower prefabricated steel concrete columns and prefabricated steel concrete beams. The section steel is pre-set in the concrete, and the utility model has the advantages of good anti-seismic performance, good anti-corrosion performance and good fireproof performance by rationally utilizing the characteristics of good anti-corrosion performance, good fire-proof performance of concrete structure and good anti-seismic performance of steel structure ;

Since the prefabricated steel-concrete node columns and prefabricated steel-concrete node beams are integrated in the factory, only the node-shaped steel beams need to be fixedly connected to the main-shaped steel beams during on-site construction, and then the first concrete layer to be poured is poured. Compared with the position of cast steel concrete joints on site, it greatly reduces the amount of wet work on site, which brings great convenience to the construction on site, and at the same time can fully guarantee the quality of the core area of the joints; Beams greatly shorten the construction period, which is conducive to increasing the proportion of prefabricated structures in buildings, and is of great significance to realize the industrialization of buildings.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is the enlarged view of place A in Fig. 1;

Fig. 4 is a cross-sectional view at A-A in Fig. 3 .

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment: As shown in the figure, a prefabricated steel concrete frame structure system includes an upper prefabricated steel concrete column 1, a prefabricated steel concrete node column 2 and a lower prefabricated steel concrete column 3 fixedly connected sequentially from top to bottom. The prefabricated steel concrete node column 2 is fixedly connected with the prefabricated steel concrete beam. The prefabricated steel concrete node column 2 includes the node central steel column 4 and the node column concrete cladding layer 5 covering the periphery of the node central steel column 4. The prefabricated steel concrete beam Including the prefabricated steel concrete node beam 6 and the prefabricated steel concrete main beam 7, the prefabricated steel concrete node beam 6 includes the node beam 8 and the node beam concrete cladding layer 9 covering the periphery of the node steel beam 8, the prefabricated steel concrete The main girder 7 includes a main girder 10 and a main girder concrete cladding layer 11 covering the periphery of the main girder 10. One end face of the node girder 8 is fixedly connected to the main girder 10, and the node girder The other end face of 8 is fixedly connected to the flange of the node central steel column 4, and the first concrete layer 12 to be poured is formed between one end of the node beam concrete cladding layer 9 and the main beam concrete cladding layer 11, and the node beam concrete cladding layer 12 is formed. The other end of the layer 9 is fixedly connected with the concrete cladding layer 5 of the node column.

In this specific embodiment, the prefabricated steel concrete node beam 6 also includes a node beam steel skeleton 13, the node beam steel skeleton 13 horizontally penetrates the node beam concrete cladding layer 9 and the node beam steel skeleton 13 is partially exposed on the node beam concrete cladding layer 9, the prefabricated steel concrete main girder 7 also includes a main beam steel skeleton 14, the main beam steel skeleton 14 runs through the main beam concrete cladding layer 11 horizontally and the main beam steel skeleton 14 is partially exposed on the main beam concrete cladding layer 11 On the upper surface, the steel bar frame 13 of the node beam is fixedly connected with the steel bar frame 14 of the main beam.

In this specific embodiment, the steel bar skeleton 13 of the node beam includes a plurality of first stirrup rings 15 arranged side by side at intervals and first longitudinal steel bars 16 horizontally penetrating and fixed on the four corners of the first stirrup rings 15. The beam reinforcement skeleton 14 includes a plurality of second stirrup rings 17 arranged side by side at intervals and second longitudinal reinforcement bars 18 horizontally penetrating and fixed on the four corners of the second stirrup ring 17, the first longitudinal reinforcement bars 16 and the second longitudinal reinforcement Steel bar 18 is fixedly connected.

In this specific embodiment, the web 19 of the main steel girder is fixedly connected to the web 20 of the node steel beam through a connecting assembly, and the upper flange 21 of the main steel beam is welded to the upper flange 22 of the node steel beam Fixed, the lower flange 23 of the main steel beam is welded and fixed with the lower flange 24 of the node steel beam.

In this specific embodiment, the connecting assembly includes a connecting steel plate 25 and a threaded fastener, one end of the connecting steel plate 25 is fixedly connected to the web 20 of the node-shaped steel beam through the threaded fastener, and the other end of the connecting steel plate 25 is tightened by a screw thread. Firmware is fixedly connected with the web 19 of the main steel girder.

In this specific embodiment, the cross-sectional shape of the main steel beam 10 is the same as that of the node steel beam 8 .

In this specific embodiment, the node-shaped steel beam 8 is an I-shaped steel corbel.

In this specific embodiment, the upper prefabricated steel concrete column 1 includes an upper central steel column 26 and an upper concrete cladding layer 27, and the upper concrete cladding layer 27 covers the outer periphery of the upper central steel column 26 and the lower end of the upper central steel column 26 Partially exposed on the upper concrete cladding layer 27, the lower prefabricated steel concrete column 3 includes a lower central steel column 28 and a lower concrete cladding layer 29, and the lower concrete cladding layer 29 covers the outer periphery of the lower central steel column 28 and the lower central steel column 28 The upper end of the upper central steel column 26 is exposed to the lower concrete cladding layer 29, the two ends of the node central steel column 4 are respectively exposed to the concrete cladding layer 5 of the node column, and the lower end surface of the upper central steel column 26 is fixedly connected to the upper end surface of the node central steel column 4 , the lower end face of the node central steel column 4 is fixedly connected to the upper end face of the lower central steel column 28, the second concrete layer 30 to be poured is formed between the upper concrete coating layer 27 and the node column concrete coating layer 5, and the lower concrete coating layer A third concrete layer 31 to be poured is formed between the layer 29 and the concrete cladding layer 5 of the node column.

Claims (8)

1. A prefabricated assembly type steel concrete frame structure system, comprising an upper prefabricated steel concrete column, a prefabricated steel concrete node column and a lower prefabricated steel concrete column fixedly connected successively from top to bottom, it is characterized in that the described prefabricated steel concrete node A prefabricated steel concrete beam is fixedly connected to the column, and the prefabricated steel concrete node column includes a node central steel column and a node column concrete cladding layer covering the periphery of the node central steel column, and the prefabricated steel concrete The beam includes a prefabricated steel concrete node beam and a prefabricated steel concrete main beam, the prefabricated steel concrete node beam includes a node beam and a node beam concrete cladding layer covering the periphery of the node beam, the The prefabricated steel concrete main beam includes a main steel beam and a main beam concrete cladding layer covering the periphery of the main steel beam, and one end face of the node steel beam is connected to the main steel beam Fixedly connected, the other end face of the node-shaped steel beam is fixedly connected with the flange of the node center-shaped steel column, and one end of the concrete cladding layer of the node beam is connected with the concrete cladding layer of the main beam. The first concrete layer to be poured is formed between them, and the other end of the concrete cladding layer of the node beam is fixedly connected with the concrete cladding layer of the node column. 2. A prefabricated steel concrete frame structure system according to claim 1, characterized in that said prefabricated steel concrete node beams also include node beam steel skeletons, and said node beam steel skeletons run horizontally through said The concrete cladding layer of the node beam, and the steel skeleton of the node beam is partially exposed on the upper surface of the concrete cladding layer of the node beam, and the prefabricated steel concrete main beam also includes a steel skeleton of the main beam, and the main beam The reinforced skeleton horizontally runs through the concrete coating of the main beam and the reinforced skeleton of the main beam is partially exposed on the upper surface of the concrete coating of the main beam, and the reinforced skeleton of the node beam is connected with the main beam Reinforcement skeleton fixed connection. 3. A prefabricated steel-concrete frame structure system according to claim 2, characterized in that the node beam reinforcement skeleton includes a plurality of first stirrup rings arranged side by side at intervals and horizontally penetrating and fixed on the The first longitudinal steel bars on the four corners of the first stirrup ring, the main beam reinforcement skeleton includes a plurality of second stirrup rings arranged side by side at intervals and horizontally penetrating and fixed to the second stirrup ring The second longitudinal reinforcement on the four corners of the first longitudinal reinforcement is fixedly connected with the second longitudinal reinforcement. 4. A prefabricated steel concrete frame structure system according to claim 1, characterized in that the web of the main steel beam is fixedly connected with the web of the node steel beam through a connecting assembly, The upper flange of the main steel beam is welded to the upper flange of the node steel beam, and the lower flange of the main steel beam is welded to the lower flange of the node steel beam fixed. 5. A prefabricated steel-concrete frame structure system according to claim 4, characterized in that said connecting components include connecting steel plates and threaded fasteners, and one end of said connecting steel plates is fastened by said threaded fasteners. The fastener is fixedly connected to the web of the node-shaped steel beam, and the other end of the connecting steel plate is fixedly connected to the web of the main-shaped steel beam through the threaded fastener. 6. A prefabricated steel concrete frame structure system according to claim 1, characterized in that the cross-sectional shape of the main steel beam is the same as the cross-sectional shape of the node steel beam. 7. A prefabricated steel concrete frame structure system according to claim 6, characterized in that said node steel beams are I-shaped steel corbels. 8. A prefabricated assembled steel-concrete frame structure system according to claim 1, characterized in that said upper prefabricated steel-concrete column comprises an upper central steel column and an upper concrete cladding layer, and said upper concrete cladding A layer is covered on the outer periphery of the upper central steel column and the lower end of the upper central steel column is exposed to the upper concrete cladding layer, and the lower prefabricated steel concrete column includes a lower central steel column and a lower concrete The cladding layer, the lower concrete cladding layer is clad on the outer periphery of the lower central steel column and the upper end of the lower central steel column is exposed to the lower concrete cladding layer, and the center of the node The two ends of the shaped steel column are respectively exposed to the concrete cladding layer of the node column, the lower end face of the upper center shaped steel column is fixedly connected with the upper end face of the node center shaped steel column, and the upper end face of the node center shaped steel column The lower end surface is fixedly connected to the upper end surface of the lower central steel column, the second concrete layer to be poured is formed between the upper concrete cladding layer and the concrete cladding layer of the node column, and the lower concrete cladding layer A third concrete layer to be poured is formed between the covering layer and the concrete covering layer of the node column.