CN216195402U - Assembled special-shaped column and beam connecting node structure and shear wall building structure - Google Patents
Assembled special-shaped column and beam connecting node structure and shear wall building structure Download PDFInfo
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- CN216195402U CN216195402U CN202122697678.8U CN202122697678U CN216195402U CN 216195402 U CN216195402 U CN 216195402U CN 202122697678 U CN202122697678 U CN 202122697678U CN 216195402 U CN216195402 U CN 216195402U
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Abstract
The utility model relates to a connection node structure of an assembled special-shaped column and a beam and a shear wall building structure, which comprise a prefabricated special-shaped column, a prefabricated beam and a shear wall, wherein the shear wall and the prefabricated beam are connected into a whole through shear steel bars; the precast beam comprises longitudinal steel bars, stirrups and a cast material; a steel beam adapter is arranged at one end of the prefabricated beam connected with the prefabricated special-shaped column, and the longitudinal steel bar is fixedly connected with the steel beam adapter through a seal head steel plate; the prefabricated special-shaped column is provided with an embedded part at the position corresponding to the prefabricated beam, and the embedded part is fixedly connected with the steel beam adapter. According to the beam-column connecting node, the end parts of the prefabricated beams are connected in a dry mode through the steel beam adapter, construction is simple, and the anti-seismic performance is excellent; the end socket steel plate has double functions of stress and template, and is good in economy; the shear wall bears most of horizontal load, and the reinforcement of the special-shaped column frame is greatly reduced; the precast beam energy consumption end adopts a steel beam, so that the energy consumption and ductility performance is good, and the anti-seismic performance is excellent.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a connection node structure of an assembled special-shaped column and a beam and a shear wall building structure.
Background
The connecting technology between precast concretes is the key point of a precast and assembled integral reinforced concrete system, and how to construct a novel connecting mode with good stress performance, reasonable construction measures and simple and convenient construction and installation is always the technical difficulty of the design of a precast and assembled integral reinforced concrete structure.
At present, in the vertical installation work progress of precast concrete, the longitudinal reinforcement of node and seam crossing connects the mode of connection such as mostly adopting sleeve grout to connect, mechanical connection, welded connection and indirect anchor connection, these connected modes technical requirement are high, the construction degree of difficulty is big, construction quality is difficult for guaranteeing, be difficult to the inspection, it is more to conceal the engineering, directly lead to the increase of assembled shear force wall cost and construction period's increase, make assembled dysmorphism post structure anti-seismic performance poor, the cost is high.
In addition, the existing fabricated special-shaped column structure building system mainly adopts a precast concrete special-shaped column frame structure (sleeve grouting connection) + a block wall body. The beam column thickness of the special-shaped column frame structure is the same as that of a wall body, beams and columns are not exposed indoors, and the special-shaped column frame structure is applied to low-rise buildings; the building blocks have low cost and mature process, are popularized and applied in large area in engineering, and are the most wall materials adopted in the existing prefabricated structure houses. The combined type wood sawing machine can produce various specifications in a factory, can be used for sawing, planing, drilling and nailing like wood, and is suitable for traditional construction modes.
Disclosure of Invention
The application provides a connecting node structure of an assembled special-shaped column and a beam and a shear wall building structure, which mainly solve the defects of the connecting node of the existing special-shaped column and the beam; secondly, the defects of more wet operation, complex construction and the like of the existing wall are overcome.
The application is realized by the following technical scheme:
the connecting node structure of the assembly type special-shaped column and the beam comprises a prefabricated special-shaped column and a prefabricated beam, wherein the prefabricated beam comprises a second longitudinal steel bar, a second stirrup and a first pouring material;
a steel beam adapter is arranged at one end of the prefabricated beam connected with the prefabricated special-shaped column, and the second longitudinal steel bar is fixedly connected with the steel beam adapter through an end socket steel plate;
the prefabricated special-shaped column is provided with an embedded part at a position corresponding to the prefabricated beam, and the embedded part is fixedly connected with the steel beam adapter.
Optionally, the embedded part includes a vertical plate and a plurality of horizontal transverse steel bars, one end of each transverse steel bar is connected with the vertical plate, the outer surface of the vertical plate is exposed out of the prefabricated special-shaped column, and the vertical plate is fixedly connected with the steel beam adapter.
Optionally, the steel beam crossover sub includes the I-steel, and I-steel one end is connected with the head steel sheet, and the I-steel other end and riser rigid coupling.
Optionally, the upper and lower flanges of the i-beam are welded to the vertical plate, and/or the web of the steel beam is connected to the vertical plate through a connecting plate.
Particularly, the longitudinal steel bars of the precast beam are connected with the end socket steel plate through hole plug welding.
And post-cast concrete is arranged in the area between the end socket steel plate and the vertical plate.
Optionally, one side, far away from the steel beam crossover sub, of the end socket steel plate is vertically connected with a shear-resistant straight plate A, and the shear-resistant straight plate A is buried in the cast-in-place material of the precast beam.
Optionally, the embedded part further comprises a shearing-resistant straight-line plate B, and one end of the shearing-resistant straight-line plate B is vertically connected with the vertical plate.
Particularly, the prefabricated special-shaped column comprises a steel bar framework and precast concrete, and the precast concrete is poured in advance inside and outside the steel bar framework to form the prefabricated special-shaped column.
The assembly type special-shaped column shear wall building structure comprises a shear wall and a connecting node structure;
the precast beam and steel beam adapter is arranged in a groove at the top of the shear wall, and the shear wall is connected with the precast beam through shear steel bars.
Optionally, the prefabricated special-shaped column comprises edge-sealed steel plates at the upper end and the lower end, and a steel bar framework formed by binding a first longitudinal steel bar and a first stirrup together;
the edge sealing steel plate is connected with the first longitudinal steel bar perforation plug welding of the prefabricated special-shaped column;
two upper and lower adjacent prefabricated special-shaped columns are connected by welding through a connecting steel plate, and post-cast concrete is arranged on the outer side of the connecting steel plate.
Compared with the prior art, the method has the following beneficial effects:
1, at the beam-column connection node, the end part of a precast beam adopts a steel beam adapter, and the precast beam is connected in a dry mode, so that the construction is simple and the anti-seismic performance is excellent; the end socket steel plate has double functions of stress and template, and is good in economy;
2, the special-shaped columns, the precast beams and the shear walls are all prefabricated in factories, so that the industrial degree is high, and the method is green and environment-friendly; the structural beam and the wall are integrated, and the structural column, the beam, the floor slab and the wall slab are free from support;
3, the special-shaped columns are continuous at the floors, are in dry connection, are high in compression resistance and tensile strength, and are simple and reliable in node connection;
4, the precast beam is integrally precast, the connection mode of the precast beam and the special-shaped column is the same as that of a steel structure, and the precast beam construction support is avoided; the floor slab can be directly placed on the top of a beam by being connected with the floor slab through shear steel bars, so that temporary support for floor slab construction is avoided;
5, the shear wall has high strength and good durability; the shear wall is connected with the precast beam through shear steel bars, so that the shear force of the precast beam is reliably transmitted; the precast beam is used as a hanging bracket and a lateral support of the shear wall, and the lateral temporary support is avoided when the shear wall is installed.
6, the special-shaped column shear wall structure is a double-layer lateral force resisting structure system, and the anti-seismic performance is excellent; the shear wall bears most of horizontal load, and the reinforcement of the special-shaped column frame is greatly reduced; the precast beam energy consumption end adopts a steel beam, so that the energy consumption and ductility performance is good, and the anti-seismic performance is excellent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
FIG. 1 is a schematic view of a fabricated profile column to beam connection node;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken at C-C of FIG. 1;
FIG. 5 is a schematic structural diagram of an assembled profile post;
FIG. 6 is a plan view of an assembled profiled column shear wall building structural system;
FIG. 7 is a schematic connection diagram of the steel pipe special-shaped columns arranged up and down;
FIG. 8 is a cross-sectional view taken at D-D of FIG. 7;
fig. 9 is a cross-sectional view at E-E in fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely used for convenience of description and simplification of description, and do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the fabricated profiled pole and beam connection node structure disclosed in this embodiment includes a prefabricated profiled pole 1 and a prefabricated beam 2.
The prefabricated special-shaped column 1 comprises a steel reinforcement framework and precast concrete 11. Precast concrete 11 is poured in advance inside and outside the steel reinforcement framework to form the precast special-shaped column 1 in a prefabricated mode. The thickness of the steel bar protective layer is set according to the requirement.
Optionally, the first longitudinal steel bar 12 and the first stirrup 13 are bound together to form a steel bar framework of the prefabricated special-shaped column 1.
Optionally, the precast beam 2 includes a second longitudinal steel bar 21, a second stirrup 22, and a cast-in-place material 23. The end socket steel plate 4 is connected with the second longitudinal steel bar 21 through a perforation plug welding way, so that the steel bar is reliably connected with the end socket steel plate 4; the end socket steel plate 4 can also be used as a side die of the precast beam 2, so that the cost of a factory template is reduced. One side that the steel beam crossover sub is kept away from to head steel sheet 4 is connected with the I-shaped board A41 that shears perpendicularly, optional welding of connected mode.
A steel beam adapter is arranged at the end part of the precast beam 2; the precast beam 2 is connected with the steel beam adapter joint through the end socket steel plate 4. One end of the steel beam adapter is connected with the prefabricated special-shaped column 1, and the other end of the steel beam adapter is connected with the end socket steel plate 4.
Optionally, the steel beam adapter comprises an i-steel 51 and a connecting plate 52, one end of the i-steel 51 is connected with the end socket steel plate 4, and the connecting plate 52 is in bolt connection with a web 511 of the i-steel 51.
The prefabricated special-shaped column 1 is provided with an embedded part at the position corresponding to the prefabricated beam 2. The embedded part comprises a vertical plate 61, a shear-resistant straight plate B62 and a plurality of horizontal transverse steel bars 63, wherein the transverse steel bars 63 and one end of the vertical plate 61 are both connected with the vertical plate 61, and the connection mode can be welding. The outer surface of the vertical plate 61 is exposed out of the prefabricated special-shaped column 1. The vertical plate 61 is welded with the two flanges 512 and the connecting plate 52 of the I-shaped steel 51.
It is worth mentioning that the area between the capping steel plate 4 and the vertical plate 61 has the post-cast concrete 53. During construction, after the steel beam adapter is connected with the prefabricated special-shaped column 1 and concrete is poured, the upper flange plate of the I-shaped steel 51 is welded.
The post-cast concrete 53 can be used as a fire protection for the steel beam adapter and ensure that the rigidity of the I-shaped steel beam is not lower than that of the precast concrete. The precast beam 2 is integrally precast, the connection mode of the precast beam 2 and the precast special-shaped column 1 is the same as that of a steel structure, and the construction support of the precast beam 2 is avoided.
As shown in fig. 5, the prefabricated special-shaped column 1 further comprises edge-sealing steel plates 14 at the upper end and the lower end, and the edge-sealing steel plates 14 are connected with the first longitudinal steel bars 12 of the prefabricated special-shaped column 1 through hole plug welding to ensure that the steel bars are reliably connected with the edge-sealing steel plates 14; the edge banding steel plate 14 can also be used as an edge die for prefabricating the prefabricated special-shaped column 1, and the cost of a factory formwork is reduced.
It is worth mentioning that the cross section of the prefabricated special-shaped column 1 can be in a special-shaped shape such as an L shape, a T shape, a cross shape and the like.
Optionally, the length of the prefabricated special-shaped column 1 is 9-12 m, and the thickness of the connecting steel plate 15 is 10-20 mm. The connecting steel plate 15 and the prefabricated special-shaped column 1 have equal compression strength, so that dry construction of connection of upper and lower nodes of the prefabricated special-shaped column 1 can be guaranteed, and the aeipathia that construction and detection are difficult due to common grouting sleeves and the like can be avoided; the 15 resistance to compression of connecting plate is equal strong, and the tensile strength belongs to superstrong state for 1 reinforcing bar of prefabricated special-shaped post, can guarantee to connect and accomplish strong node to can suitably reduce the 15 welding requirements of connecting plate, reduce the construction degree of difficulty.
As shown in fig. 1 to 9, the fabricated profiled column shear wall building structure disclosed in the present embodiment includes a prefabricated profiled column 1, a prefabricated girder 2, and a shear wall 3. The connecting node structure is adopted at the node of the prefabricated special-shaped column 1 and the prefabricated beam 2. Prefabricated special-shaped post 1 is continuous in floor department, reducible 1 vertical connected node quantity of prefabricated special-shaped post for construction speed.
Particularly, the connection between two prefabricated special-shaped columns 1 adjacent up and down is welded through a connecting steel plate 15, and concrete is poured behind the outer side of the connecting steel plate 15 to serve as a steel plate anticorrosion and fireproof protective layer 16. The thickness of the connecting steel plate 15 may be set as required.
The shear wall 3 adopts an ultra-high performance concrete sandwich wallboard, and the wall panel is ultra-high performance concrete UHPC (ultra high performance concrete), and the UHPC has the characteristic of ultra high strength. The filling material can be foam concrete, rock wool, polystyrene board and other materials, and can be cast in situ or prefabricated.
Optionally, there is a U-shaped groove at the top of the shear wall 3, the precast beam 2 and the steel beam adapter are placed in the U-shaped groove, and the bottom flange is connected with the shear wall 3 through the shear reinforcement 8.
The prefabricated special-shaped column 1 and the prefabricated beam 2 are both prefabricated concrete components, the shear wall 3 is connected with the prefabricated beam 2 through shear steel bars 8, and the shear force of the prefabricated beam 2 is transmitted reliably. The precast beam 2 and the shear wall 3 are assembled into a whole in a factory, the precast beam 2 can be used as a hanger of the shear wall 3 and as a lateral support of the shear wall 3, and the lateral temporary support is eliminated when the shear wall 3 is installed.
The vertical bearing of the structural system is mainly transmitted to a precast beam 2 through a floor slab 7, and the precast beam 2 is transmitted to a precast special-shaped column 1; the shear wall 3 is connected with the precast beam 2 through a shear connector 8, and the shear wall 3 only bears the horizontal load and the dead weight transmitted by the precast beam 2.
The anti-seismic system is characterized in that an anti-seismic system of a prefabricated special-shaped column 1 frame and a shear wall 3 is adopted, the shear wall 3 serves as a first defense line for seismic fortification, the prefabricated special-shaped column 1 frame serves as a second defense line for seismic fortification, and the anti-seismic system is a double-layer lateral force resisting structure system and is excellent in anti-seismic performance; the shear wall 3 bears most of horizontal load, the vertical force borne by the frame of the prefabricated special-shaped column 1 is the main, the reinforcing bars of the frame of the prefabricated special-shaped column 1 are greatly reduced, and the economical efficiency is good. The energy consumption end of the precast beam 2 is a steel beam, so that the energy consumption and ductility performance are good, and the earthquake resistance performance is excellent.
The above embodiments are provided to explain the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a connected node structure of assembled dysmorphism post and roof beam which characterized in that: the prefabricated beam comprises a prefabricated special-shaped column (1) and a prefabricated beam (2), wherein the prefabricated beam (2) comprises a second longitudinal steel bar (21), a second stirrup (22) and a cast-in-place material (23);
a steel beam adapter is arranged at one end of the prefabricated beam (2) connected with the prefabricated special-shaped column (1), and the second longitudinal steel bar (21) is fixedly connected with the steel beam adapter through an end socket steel plate (4);
the prefabricated special-shaped column (1) is provided with an embedded part at the position corresponding to the prefabricated beam (2), and the embedded part is fixedly connected with the steel beam adapter.
2. The connection node structure according to claim 1, wherein: the embedded part comprises a vertical plate (61) and a plurality of horizontal transverse reinforcing steel bars (63), one ends of the transverse reinforcing steel bars (63) are connected with the vertical plate (61), the outer surface of the vertical plate (61) is exposed out of the prefabricated special-shaped column (1), and the vertical plate (61) is fixedly connected with the steel beam adapter.
3. The connection node structure according to claim 2, wherein: the steel beam adapter comprises an I-shaped steel (51), one end of the I-shaped steel (51) is connected with the end socket steel plate (4), and the other end of the I-shaped steel (51) is fixedly connected with the vertical plate (61).
4. The connection node structure of claim 3, wherein: the upper flange (512) and the lower flange (512) of the I-shaped steel (51) are welded with the vertical plate (61), and/or the web plate (511) of the I-shaped steel (51) is in bolt connection with the vertical plate (61) through a connecting plate (52).
5. The connection node structure according to claim 1, 2, 3 or 4, wherein: and the second longitudinal steel bar (21) is connected with the end socket steel plate (4) through hole plug welding.
6. The connection node structure according to claim 1, 2, 3 or 4, wherein: one surface, far away from the steel beam adapter, of the end socket steel plate (4) is vertically connected with a shear-resistant linear plate A (41), and the shear-resistant linear plate A (41) is buried in a casting material (23) of the precast beam (2).
7. The connection node structure according to claim 2, 3 or 4, wherein: the embedded part further comprises a shearing-resistant straight-line plate B (62), and one end of the shearing-resistant straight-line plate B (62) is vertically connected with the vertical plate (61).
8. The connection node structure according to claim 1, 2, 3 or 4, wherein: the prefabricated special-shaped column (1) comprises a steel bar framework and precast concrete (11), and the precast concrete (11) is poured inside and outside the steel bar framework in advance to form the prefabricated special-shaped column (1).
9. The utility model provides an assembled dysmorphism post shear wall building structure which characterized in that: comprising a shear wall (3) and a connection node structure according to any of claims 1-8;
the precast beam (2) is arranged in a groove at the top of the shear wall (3), and the shear wall (3) is connected with the precast beam (2) through shear steel bars (8).
10. The fabricated profiled-column shear wall building structure of claim 9, wherein: the prefabricated special-shaped column (1) comprises edge-sealed steel plates (14) at the upper end and the lower end, and a steel bar framework formed by binding a first longitudinal steel bar (12) and a first stirrup (13);
the edge sealing steel plate (14) is connected with the first longitudinal steel bar (12) of the prefabricated special-shaped column (1) through hole plug welding;
two upper and lower adjacent prefabricated special-shaped columns (1) are connected by welding through connecting steel plates (15), and post-cast concrete is arranged on the outer sides of the connecting steel plates (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122697678.8U CN216195402U (en) | 2021-11-05 | 2021-11-05 | Assembled special-shaped column and beam connecting node structure and shear wall building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122697678.8U CN216195402U (en) | 2021-11-05 | 2021-11-05 | Assembled special-shaped column and beam connecting node structure and shear wall building structure |
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| Publication Number | Publication Date |
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| CN216195402U true CN216195402U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122697678.8U Active CN216195402U (en) | 2021-11-05 | 2021-11-05 | Assembled special-shaped column and beam connecting node structure and shear wall building structure |
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