CN219175486U

CN219175486U - Connection node structure

Info

Publication number: CN219175486U
Application number: CN202320074787.0U
Authority: CN
Inventors: 潘琴存; 甘辉; 罗浩; 陈宁旭; 叶帆; 张慧琨
Original assignee: Guangzhou City Construction & Development Design Institute Co ltd
Current assignee: Guangzhou City Construction & Development Design Institute Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-13
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a connection node structure, which comprises a conversion transverse member, wherein an original reserved column pier is connected above the conversion transverse member, and the connection node structure also comprises at least two newly-added column piers positioned above the conversion transverse member, wherein newly-added vertical members are connected on the newly-added column piers; the newly added column piers are connected with the original reserved column piers through the pull beams; and a newly added rigid floor slab is connected between the pull beams. The connection node structure provided by the utility model not only can avoid complex construction technical problems such as support, connection and the like of the superposed beam and the conversion beam, but also can save the manufacturing cost and accelerate the engineering progress while ensuring the safety.

Description

Connection node structure

Technical Field

The utility model relates to the field of connection node structures between floors, in particular to a connection node structure.

Background

TOD project (refer to project of development mode construction taking public transportation as guide), generally the bottom 1-2 layers are house parts for public transportation stations, and the TOD project is designed, constructed and operated before covering, and meanwhile, the TOD project is reserved for covering secondary development conditions.

Because the upper cover and the lower cover have different using functions, the upper column net and the lower column net have great difference, and structural conversion (conversion frame beam and conversion thick plate) is needed to be carried out on the top of the cover plate. Meanwhile, due to secondary development in the later period, a land manufacturer generally optimizes the reserved house type, so that reserved dowel bars are deviated from wall columns above a conversion layer, a superposed beam needs to be arranged on the roof of the constructed conversion layer beam again, the superposed beam is used as a support for newly arranging the conversion beam, and the conversion beam is separated from an original structural plate by a 100mm polystyrene board, so that the problem of deviation between the reserved dowel bars and the newly manufactured wall columns is solved. But the construction process of the superposed beam and the new conversion beam is complex, the cost is high, and the construction period is long.

Disclosure of Invention

The utility model aims to provide a connection node structure which can not only avoid complex construction technical problems such as support, connection and the like of a superposed beam and a conversion beam, but also save the manufacturing cost and accelerate the engineering progress while ensuring the safety.

In order to achieve the above purpose, the utility model provides a connection node structure, which comprises a conversion transverse member, wherein an original reserved column pier is connected above the conversion transverse member, and the connection node structure further comprises at least two newly-added column piers positioned above the conversion transverse member, wherein newly-added vertical members are connected to the newly-added column piers; the newly added column piers are connected with the original reserved column piers through the pull beams; and a newly added rigid floor slab is connected between the pull beams.

As a further improvement of the utility model, the top, the middle and the bottom of the inner side of the tie beam are respectively embedded with gluten, waist gluten and bottom gluten which are transversely arranged, and the inner side of the tie beam is also provided with stirrups which are wound on the outer sides of the gluten, the waist gluten and the bottom gluten; two ends of the gluten, the waist gluten and the bottom gluten respectively extend into the original reserved column pier and the newly added column pier.

As a further improvement of the utility model, the original reserved column pier is internally provided with original reserved column pier reinforcing steel bars.

As a further improvement of the utility model, one end of the gluten, the waist gluten and the bottom gluten extend into the original reserved column pier and are matched with the original reserved column pier reinforcing steel bars.

As a further improvement of the utility model, the top and the bottom of the inner side of the newly-added column pier are respectively provided with newly-added column pier steel bars which are arranged in a bidirectional manner, and edge sealing steel bars are arranged between one ends of the newly-added column pier steel bars at the top and the bottom of the newly-added column pier; one end of the gluten, the waist gluten and the bottom gluten of the bracing beam extend into the newly added column pier and are matched with the newly added column pier reinforcing steel bars.

As a further improvement of the utility model, at least one of the newly added piers is arranged adjacent to the original reserved piers, and the other ends of the newly added pier reinforcing bars at the top and the bottom of the newly added piers extend into the original reserved piers and are matched with the original reserved pier reinforcing bars.

As a further improvement of the utility model, the newly-added rigid floor slab is internally provided with double-layer two-way arranged newly-added rigid floor slab reinforcing bars, and the newly-added rigid floor slab reinforcing bars pass through the lower part of the tie beam and are matched with the bottom bars.

As a still further improvement of the present utility model, the switch cross member is a switch beam or a switch plank; the newly added vertical component is a newly added shear wall or a newly added column; the top of the original reserved column pier is connected with an original reserved column or an original reserved shear wall.

Advantageous effects

Compared with the prior art, the connection node structure has the advantages that:

1. the bottom of the newly-added vertical component (newly-added shear wall or newly-added column) is provided with the newly-added column pier, so that the vertical force is ensured to be directly transmitted to the conversion beam or the conversion thick plate, the newly-added column pier is in principle not connected with the cover plate by adopting the planted bars, but is connected with the original reserved column pier through the pull beam (similar beam) to form a whole, and meanwhile, a layer of newly-added rigid floor slab is arranged between the pull beams, so that the horizontal force is ensured to be uniformly and reliably transmitted to the conversion beam or the conversion thick plate. The premise of adopting the scheme is that the bearing capacity of the constructed conversion beam or conversion thick plate can meet the design requirement.

2. The complex construction technical problems of newly adding supports of the superposed beams and the conversion beams and the like can be avoided, so that the steel bar planting is reduced to the greatest extent, the damage to the concrete and the steel bars of the constructed cover plate is avoided, and particularly, when the constructed cover plate has prestress.

3. The construction cost can be saved and the engineering progress can be quickened while the safety is ensured. The construction technology is simple, and the construction quality is ensured.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of a docking node structure;

FIG. 2 is a view in the A-A direction of FIG. 1;

FIG. 3 is a B-B view of FIG. 1;

FIG. 4 is a C-C view of FIG. 1;

fig. 5 is a D-D view of fig. 1.

Detailed Description

Embodiments of the present utility model will now be described with reference to the accompanying drawings.

Examples

The embodiment of the utility model is shown in fig. 1 to 5, and the connection node structure comprises a conversion transverse member 1, wherein an original reserved column pier 3 is connected above the conversion transverse member 1. The conversion cross members 1 (conversion beams and/or conversion planks) here are all original building structures. The connection node structure also comprises at least two newly-added piers 4 positioned above the conversion transverse member 1, and the newly-added piers 4 are connected with newly-added vertical members 7. The newly added column pier 4 is connected with the original reserved column pier 3 through a pull beam 5. A newly added rigid floor slab 2 is connected between the pull beams 5.

The top, middle and bottom of the inner side of the bracing beam 5 are respectively embedded with a gluten 51, a waist gluten 53 and a bottom gluten 52 which are transversely arranged, the inner side of the bracing beam 5 is also provided with a stirrup 54, and the stirrup 54 is wound on the outer sides of the gluten 51, the waist gluten 53 and the bottom gluten 52. Two ends of the gluten 51, the waist gluten 53 and the bottom gluten 52 respectively extend into the original reserved column pier 3 and the newly added column pier 4. A plurality of original reserved column pier reinforcing bars 31 are arranged in the original reserved column piers 3.

One end of the gluten 51, the waist gluten 53 and the bottom gluten 52 in the bracing beam 5 stretches into the original reserved column pier 3 and is matched with the original reserved column pier reinforcing steel bar 31.

The top and the bottom of the inner side of the newly-added column pier 4 are respectively provided with newly-added column pier steel bars 41 which are arranged in a bidirectional manner, and edge sealing steel bars 42 are arranged between one end of the newly-added column pier steel bars 41 at the top and the bottom of the newly-added column pier 4. One end of the gluten 51, the waist gluten 53 and the bottom gluten 52 of the bracing beam 5 extend into the newly added column pier 4 and are matched with the newly added column pier reinforcing steel bars 41.

When the newly added column pier 4 is adjacently arranged with the original reserved column pier 3, the other ends of the newly added column pier reinforcing bars 41 at the top and the bottom of the newly added column pier 4 extend into the original reserved column pier 3 and are matched with the original reserved column pier reinforcing bars 31, so that the newly added column pier 4 is connected with the bracing beam 5 and is also directly connected with the original reserved column pier 3, and the strength is ensured.

The newly added rigid floor slab 2 is internally provided with double-layer two-way arranged newly added rigid floor slab reinforcing bars 21, and the newly added rigid floor slab reinforcing bars 21 pass through the lower part of the pull beam 5 and are matched with the bottom bars 52. The newly added rigid floor slab 2 is connected with each original reserved column pier 3, specifically, in each original reserved column pier 3, the newly added rigid floor slab reinforcing bars 21 of the newly added rigid floor slab 2 penetrate through the original reserved column pier 3 close to the middle, and the end parts of the newly added rigid floor slab reinforcing bars 21 extend into the original reserved column piers 3 close to the edge and are inside the original reserved column pier reinforcing bars 31.

The original reserved column piers 3 are connected with the conversion cross members 1 (conversion beams and conversion thick plates) through steel bars, and specifically, the bottoms of the original reserved column pier steel bars 31 are directly anchored into the lower conversion cross members 1.

The switch cross member 1 is a switch beam or switch plank. The newly added vertical component 7 is a newly added shear wall or a newly added column. The top of the original reserved column pier 3 is connected with an original reserved column 6 or an original reserved shear wall.

The bottom of the newly-added vertical member 7 (newly-added shear wall or newly-added column) is provided with the newly-added column pier 4, so that the vertical force is ensured to be directly transmitted to the conversion transverse member 1 (conversion beam or conversion thick plate), the newly-added column pier 4 is connected with the cover plate without adopting a planted bar in principle, the newly-added column pier 4 is connected with the original reserved column pier 3 through the pull beam 5 (similar beam) to form a whole, and meanwhile, a layer of newly-added rigid floor slab 2 is arranged between the pull beams 5, so that the horizontal force can be uniformly and reliably transmitted to the conversion beam or the conversion thick plate. The premise of adopting the scheme is that the bearing capacity of the constructed conversion beam or conversion thick plate can meet the design requirement.

The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. The connection node structure comprises a conversion transverse member (1), wherein an original reserved column pier (3) is connected above the conversion transverse member (1), and the connection node structure is characterized by further comprising at least two newly-added column piers (4) positioned above the conversion transverse member (1), wherein newly-added vertical members (7) are connected to the newly-added column piers (4); the newly added column pier (4) is connected with the original reserved column pier (3) through a pull beam (5); a newly added rigid floor slab (2) is connected between the pull beams (5).

2. The connection node structure according to claim 1, wherein the top, middle and bottom of the inner side of the tie beam (5) are respectively embedded with a transverse gluten (51), a waist gluten (53) and a bottom gluten (52), the inner side of the tie beam (5) is also provided with a stirrup (54), and the stirrup (54) is wound on the outer sides of the gluten (51), the waist gluten (53) and the bottom gluten (52); two ends of the gluten (51), the waist gluten (53) and the bottom gluten (52) respectively extend into the original reserved column pier (3) and the newly added column pier (4).

3. The connection node structure according to claim 2, wherein the original reserved column pier (3) is internally provided with an original reserved column pier reinforcing bar (31).

4. A connection node structure according to claim 3, wherein one end of the gluten (51), the waist gluten (53) and the bottom gluten (52) extends into the original reserved column pier (3) and is matched with the original reserved column pier reinforcing steel bar (31).

5. A connection node structure according to claim 3, wherein the top and the bottom of the inner side of the newly added column pier (4) are respectively provided with newly added column pier steel bars (41) which are arranged in two directions, and edge sealing steel bars (42) are arranged between one end of the newly added column pier steel bars (41) at the top and the bottom of the newly added column pier (4); one end of the gluten (51), the waist gluten (53) and the bottom gluten (52) of the bracing beam (5) stretches into the newly added column pier (4) and is matched with the newly added column pier reinforcing steel bar (41).

6. The connection node structure according to claim 5, wherein at least one of the newly added piers (4) is arranged adjacent to the original reserved pier (3), and the other ends of newly added pier reinforcements (41) at the top and bottom of the newly added piers (4) extend into the original reserved pier (3) and are matched with the original reserved pier reinforcements (31).

7. The connection node structure according to claim 2, wherein the newly-added rigid floor slab (2) is internally provided with newly-added rigid floor slab reinforcing bars (21) which are arranged in a double-layer bidirectional manner, and the newly-added rigid floor slab reinforcing bars (21) penetrate through the lower part of the tie beam (5) and are matched with the bottom bars (52).

8. A docking node structure according to claim 1, characterized in that the transition cross member (1) is a transition beam or a transition slab; the newly added vertical component (7) is a newly added shear wall or a newly added column; the top of the original reserved column pier (3) is connected with an original reserved column (6) or an original reserved shear wall.