CN213868279U - A steel-connected fully assembled concrete beam-column structure - Google Patents

Abstract

The utility model discloses a steel-connected fully assembled concrete beam-column structure, which comprises a concrete column, a concrete beam, a connecting steel plate and high-strength bolts. The upper and lower parts of the connecting steel plate and the corresponding positions of the concrete columns are respectively provided with bolt holes. The high-strength bolts pass through the bolt holes on the connecting steel plate and the concrete column and connect the upper and lower parts of the connecting steel plate with the concrete column as a whole; the horizontal steel bars set along the length direction of the concrete beam protrude from the end of the concrete beam, and the middle part of the connecting steel plate passes through The lock nut is screwed on the outer end of the horizontal steel bar and connects the middle part of the connecting steel plate with the concrete beam as a whole. By connecting steel plates and high-strength bolts to connect concrete beams and concrete columns, the rigid joints formed have good seismic performance such as deformation capacity and energy dissipation capacity; beam-column connections are fully assembled and high-strength bolt connections, which can effectively avoid on-site welding and facilitate construction. , the installation is fast.

Description

Steel connection full-assembly type concrete beam-column structure

Technical Field

The utility model relates to a building engineering, concretely relates to steel is connected full assembled concrete beam-post structure.

Background

In residential engineering, a low-rise residential building is a more suitable residential form, has many advantages compared with a high-rise residential building, and particularly in the construction of small and medium cities or towns in China, the low-rise residential building and the low-rise building still occupy important positions. With the promotion of thirteen-five plans and the implementation of the village pleasure strategy in China, the rural urbanization construction is increasingly accelerated, and the suburbs and the urban areas of the vast cities in China are the main areas of the assembled low-rise buildings applied in the future. According to the technical standards of prefabricated concrete buildings (GB/T51231) and the technical regulations of prefabricated concrete structures (JGJ1), the prefabricated concrete buildings in China are designed by adopting the principle of equal cast-in-place, so that the requirement on node structure construction is high, the construction process is complicated, the integration and high-efficiency characteristics of the prefabricated buildings are not fully exerted, and the prefabricated concrete buildings are difficult to popularize in a large range in areas with poor economic conditions and construction conditions, such as rural towns and the like. Considering that the construction volume of a low-rise building is small, and the requirements on wind resistance and earthquake resistance are lower compared with those of a high-rise building, the construction method can break through the existing requirement of 'equal cast-in-place'. Therefore, a novel assembly type semi-rigid joint form which is reasonable in stress, convenient to construct and quick to install is needed to be provided in engineering.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned prior art, the utility model provides a full assembled concrete beam-post structure is connected to steel that construction convenience, bearing capacity are good realizes the complete assembly of structure, improves the speed of assembling of component, fully adapts to the requirement and the characteristics of low multilayer assembled concrete frame structure system.

A steel connection full-fabricated concrete beam-column structure comprises a concrete column, a concrete beam, a connecting steel plate and a high-strength bolt, wherein the connecting steel plate is arranged between the end face of the concrete beam and the concrete column;

the upper part and the lower part of the connecting steel plate are respectively provided with bolt holes corresponding to the concrete column, and the high-strength bolt penetrates through the bolt holes in the connecting steel plate and the concrete column and connects the upper part and the lower part of the connecting steel plate and the concrete column into a whole;

the horizontal reinforcement that sets up along its length direction stretches out the tip of concrete beam in the concrete beam, the one end that the horizontal reinforcement stretches out the concrete beam tip sets up the external screw thread, connecting plate's middle part sets up the reinforcing bar hole with the corresponding position of horizontal reinforcement, the reinforcing bar hole that corresponds on the connecting plate is passed and lock nut is locked to the cover soon in the outer end of horizontal reinforcement, connecting plate's middle part is screwed on the outer end of horizontal reinforcement through lock nut and is connected connecting plate's middle part and concrete beam as an organic whole.

Further, concrete is filled in a gap between the connecting steel plate and the concrete column.

Furthermore, reinforcing ribs are vertically arranged in the cavity in the middle of the connecting steel plate, and the reinforcing ribs and the reinforcing rib holes are arranged on the connecting steel plate in a staggered mode.

Furthermore, an inclined plate of an inclined concrete beam end face is formed between the upper portion of the connecting steel plate and the middle portion of the connecting steel plate, and an inclined plate of an inclined concrete beam end face is formed between the lower portion of the connecting steel plate and the middle portion of the connecting steel plate.

Further, a vertical plate perpendicular to the end face of the concrete beam is formed between the upper portion of the connecting steel plate and the middle portion of the connecting steel plate, and a vertical plate perpendicular to the end face of the concrete beam is formed between the lower portion of the connecting steel plate and the middle portion of the connecting steel plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) the concrete beam and the concrete column are connected through the connecting steel plate and the high-strength bolt, and the formed rigid joint has good anti-seismic performance such as deformation capacity and energy consumption capacity.

2) The beam column connection adopts the full assembly, and high-strength bolted connection can effectively avoid field welding, and the construction is convenient, and the installation is quick.

Drawings

FIG. 1 is a first schematic diagram of a steel-joined fully fabricated concrete beam-column structure;

FIG. 2 is a second schematic illustration of a steel-joined fully fabricated concrete beam-column structure;

fig. 3 is a schematic structural view of the connection steel plate.

In the attached drawings, 1 is a concrete column; 2 is a concrete beam; 3 is a connecting steel plate; 4 is a high-strength bolt; 5 is a bolt hole; 6 is a horizontal steel bar; 7 is a reinforcing steel bar hole; 8 is a locking nut; 9 is concrete; 10 is a reinforcing rib.

Detailed Description

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

A steel connection fully-assembled concrete beam-column structure, as shown in figures 1 and 2, comprises a concrete column 1, a concrete beam 2, a connecting steel plate 3 and a high-strength bolt 4. Connecting plate 3 sets up between concrete beam 2's terminal surface and concrete column 1, and connecting plate 3's upper portion and lower part all laminate with concrete column 1, and connecting plate 3's middle part is outside protruding and with concrete beam 2's terminal surface laminating. The upper portion and the lower part of the connecting steel plate 3 are respectively provided with bolt holes 5 corresponding to the concrete column 1, namely the upper portion of the connecting steel plate 3 and the corresponding position of the concrete column 1 are provided with the bolt holes 5 in the horizontal direction, and the lower portion of the connecting steel plate 3 and the corresponding position of the concrete column 1 are provided with the bolt holes 5 in the horizontal direction. The high-strength bolts 4 penetrate through the connecting steel plates 3 and the bolt holes 5 in the concrete columns 1 and connect the upper portions and the lower portions of the connecting steel plates 3 and the concrete columns 1 into a whole, in the embodiment, the high-strength bolts 4 are inserted into the upper portions of the connecting steel plates 3 and the bolt holes 5 in the corresponding concrete columns 1, the high-strength bolts 4 are inserted into the lower portions of the connecting steel plates 3 and the bolt holes 5 in the corresponding concrete columns 1, and then the two ends of the high-strength bolts 4 are locked through nuts. The concrete beam 2 is internally provided with horizontal steel bars 6 extending out of the end part of the concrete beam 2 along the length direction, external threads are arranged at one ends of the horizontal steel bars 6 extending out of the end part of the concrete beam 2, steel bar holes 7 are arranged at the corresponding parts of the middle part of the connecting steel plate 3 and the horizontal steel bars 6, the outer ends of the horizontal steel bars 6 penetrate through the corresponding steel bar holes 7 on the connecting steel plate 3 and are screwed with locking nuts 8, the middle part of the connecting steel plate 3 is screwed on the outer ends of the horizontal steel bars 6 through the locking nuts 8, and the middle part of the connecting steel plate 3 is connected with the concrete beam 2 into a whole. The end of the concrete beam 2 is connected to the concrete column 1 through a connecting steel plate 3.

Concrete 9 is filled in the gap between the connecting steel plate 3 and the concrete column 1, as shown in fig. 1 and fig. 2, grouting is performed in the gap between the connecting steel plate 3 and the concrete column 1, so that the locking nut 8 which is screwed on the end part of the horizontal steel bar 6 is prevented from loosening, and the end part of the horizontal steel bar 6 and the locking nut 8 are prevented from being corroded. The reinforcing ribs 10 are vertically arranged in the middle concave cavities of the connecting steel plates 3, the reinforcing ribs 10 and the reinforcing rib holes 7 are arranged on the connecting steel plates 3 in a staggered mode, and as shown in fig. 3, the reinforcing ribs 10 improve the rigidity of the connecting steel plates 3.

An inclined plate of the end face of the inclined concrete beam 2 is formed between the upper part and the middle part of the connecting steel plate 3, the inclined plate of the end face of the inclined concrete beam 2 is formed between the lower part and the middle part of the connecting steel plate 3 as shown in figure 1, and the length of the inclined plate in the horizontal direction meets the requirement that the locking nut 8 can be anchored on the end part of the horizontal reinforcing steel bar 6. A vertical plate perpendicular to the end face of the concrete beam 2 is formed between the upper portion and the middle portion of the connecting steel plate 3, and a vertical plate perpendicular to the end face of the concrete beam 2 is formed between the lower portion and the middle portion of the connecting steel plate 3, as shown in fig. 2, the horizontal length of the vertical plate is such that the lock nut 8 can be anchored on the end portion of the horizontal reinforcing steel bar 6.

The utility model discloses the node passes power rationally reliably, and the design is standardized, makes the standardization, and it is accurate convenient to install, is applicable to the assembled connection of concrete beam-post structure, and the node is the rigidity node simultaneously, and the ductility is good, and the shock resistance power consumption ability is strong.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (5)

1. A steel-connected fully assembled concrete beam-column structure is characterized in that, comprising a concrete column (1), a concrete beam (2), a connecting steel plate (3) and a high-strength bolt (4), the connecting steel plate (3) A It protrudes outside and fits with the end face of the concrete beam (2); Bolt holes (5) are provided at the upper and lower parts of the connecting steel plate (3) and the corresponding positions of the concrete column (1), respectively, and the high-strength bolts (4) pass through the connecting steel plate (3) and the concrete column (1) Bolt holes (5) on the upper and lower parts of the connecting steel plate (3) and the concrete column (1) are connected as one; In the concrete beam (2), horizontal reinforcing bars (6) arranged along its length direction extend out of the ends of the concrete beams (2), and one end of the horizontal reinforcing bars (6) extending out of the ends of the concrete beams (2) is provided outside the concrete beam (2). Thread, the middle part of the connecting steel plate (3) and the corresponding part of the horizontal steel bar (6) are provided with a steel bar hole (7), and the outer end of the horizontal steel bar (6) passes through the corresponding steel bar hole ( 7) and screw on the lock nut (8), the middle part of the connecting steel plate (3) is screwed on the outer end of the horizontal steel bar (6) through the lock nut (8) and connects the middle part of the steel plate (3) It is integrally connected with the concrete beam (2). 2 . The steel-connected fully assembled concrete beam-column structure according to claim 1 , wherein the gap between the connecting steel plate ( 3 ) and the concrete column ( 1 ) is filled with concrete ( 9 ). 3 . 3. A steel-connected fully assembled concrete beam-column structure according to claim 1 or 2, wherein a reinforcing rib (10) is vertically arranged in the middle cavity of the connecting steel plate (3), so The reinforcing rib (10) and the reinforcing bar hole (7) are dislocated on the connecting steel plate (3). 4. A steel-connected fully assembled concrete beam-column structure according to claim 3, characterized in that an oblique concrete is formed between the upper part of the connecting steel plate (3) and the middle part of the connecting steel plate (3). The inclined plate of the end face of the beam (2), the lower part of the connecting steel plate (3) and the middle part of the connecting steel plate (3) form an inclined plate inclined to the end face of the concrete beam (2). 5. The steel-connected fully assembled concrete beam-column structure according to claim 3, characterized in that, a structure perpendicular to the concrete is formed between the upper part of the connecting steel plate (3) and the middle part of the connecting steel plate (3). The vertical plate of the end face of the beam (2), a vertical plate perpendicular to the end face of the concrete beam (2) is formed between the lower part of the connecting steel plate (3) and the middle part of the connecting steel plate (3).

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