CN215483541U

CN215483541U - Building structure composed of prefabricated parts

Info

Publication number: CN215483541U
Application number: CN202120354601.8U
Authority: CN
Inventors: 欧阳学; 彭亿洲; 周泉; 刘世辉; 刘思睿
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2022-01-11
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a building structure consisting of prefabricated parts, which comprises a prefabricated column, wherein a prefabricated beam joint integrally cast with the prefabricated column is arranged on the side surface of the prefabricated column, and a plurality of first lap-joint steel plates which are parallel and spaced are transversely arranged at the end part of the prefabricated beam joint; the prefabricated beam is characterized in that a plurality of second lap joint steel plates which are parallel and spaced are transversely arranged at two ends of the prefabricated beam, and contact structures for increasing the bonding capacity are arranged on the first lap joint steel plate and the second lap joint steel plate; the first lapping steel plate and the second lapping steel plate are mutually inserted and combined, and concrete is poured for connection; the building structure formed by the prefabricated members can ensure the construction precision, reduce the size error, facilitate the construction and save the working hours.

Description

Building structure composed of prefabricated parts

Technical Field

The utility model relates to the technical field of building construction, in particular to a building structure consisting of prefabricated parts.

Background

In the construction of post and the roof beam of building, traditional construction mode is at on-the-spot formwork location pouring post and roof beam, and it can not satisfy frame construction's required precision, has dimensional error, and at the in-process of pouring, need use a large amount of templates and support piece moreover, and the construction is complicated and consuming time long, and most component of cast in situ need wait for the solidification, is unfavorable for reducing the time limit for a project.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a building structure consisting of prefabricated parts, which can ensure the construction precision, reduce the size error, facilitate the construction and save the working hours.

A building structure made of prefabricated parts according to an embodiment of the utility model comprises: the prefabricated beam joint is integrally cast with the prefabricated column, and a plurality of first lap-joint steel plates which are spaced in parallel are transversely arranged at the end part of the prefabricated beam joint; the prefabricated beam is characterized in that a plurality of second lap joint steel plates which are parallel and spaced are transversely arranged at two ends of the prefabricated beam, and contact structures for increasing the bonding capacity are arranged on the first lap joint steel plate and the second lap joint steel plate; the first lap-joint steel plate and the second lap-joint steel plate are mutually inserted and combined, and concrete is poured for connection.

The building structure formed by the prefabricated parts has at least the following technical effects: the prefabricated beam joint and the prefabricated column are integrally cast and molded, so that the quality of the beam-column joint is ensured, and the joint reinforcing steel bars do not need to be bound on site; the relative position of each precast beam joint is determined when the precast beams are integrally poured, and the construction precision can be ensured when the precast beams are connected with the precast beam joints on site; concrete is poured at the joint of the precast beam and the precast beam joint, only a small amount of templates and supporting pieces are needed, construction is convenient, and working hours are saved.

In some embodiments of the present invention, a first protrusion is provided at an end of the precast beam joint, a second protrusion is correspondingly provided at an end of the precast beam joint, the first overlapping steel plate is transversely provided at an end of the first protrusion, and the second overlapping steel plate is transversely provided at an end of the second protrusion.

In some embodiments of the present invention, the contact structure is a plurality of ribs, and the ribs are arranged and distributed on the surfaces of the first overlapping steel plate and the second overlapping steel plate.

In some embodiments of the present invention, the contact structure is a plurality of hemispherical protrusions distributed on the surfaces of the first and second overlapping steel plates.

In some embodiments of the present invention, a plurality of connecting steel bars are embedded in the upper end of the precast column, the connecting steel bars are arranged along the axial direction of the precast column, the lower end of the connecting steel bars is provided with a connecting hole, the connecting steel bars extend out of the upper end surface of the precast column, and the connecting hole is provided with a filling hole for grouting.

In some embodiments of the present invention, overlapping steel bars are embedded in both ends of the prefabricated column, the overlapping steel bars extend out of the end surface of the prefabricated column, the overlapping steel bars at the upper end and the overlapping steel bars of the upper prefabricated column are overlapped, the overlapping steel bars at the lower end and the overlapping steel bars of the lower prefabricated column are overlapped, and concrete is poured at the overlapped part.

In some embodiments of the present invention, the precast beam joint and the end surface of the precast beam are provided with a rough surface having a concave-convex depth of not less than 6 mm.

In some embodiments of the utility model, the precast beam joint and the end face of the precast beam are provided with a plurality of key grooves.

In some embodiments of the present invention, through grooves are formed in both the first overlapping steel plate and the second overlapping steel plate, and the through grooves are vertically communicated with each other to allow concrete to pass therethrough.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a precast beam joint and a precast beam connection structure according to the present invention;

FIG. 3 is a schematic view of a contact structure comprising a plurality of rib-like ribs according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a contact structure with hemispherical protrusions according to an embodiment of the present invention;

FIG. 5 is a schematic view of the connection of an embodiment of the present invention to a lower precast column;

FIG. 6 is a schematic view of a connecting structure of the lap joint reinforcing bars according to the embodiment of the present invention;

fig. 7 is a schematic view of a key groove structure according to an embodiment of the present invention.

Reference numerals:

the prefabricated column comprises a prefabricated column 100, connecting steel bars 110, connecting holes 120, pouring holes 121 and overlapping steel bars 130;

the prefabricated beam joint 200, the first lap steel plate 210 and the first protrusion 220;

the precast beam 300, the second lap steel plate 310, and the second protrusion 320;

concrete 400, rib-like convex rib 500, hemispherical protrusion 510, keyway 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a building structure composed of prefabricated parts according to an embodiment of the present invention includes: the prefabricated column 100 is provided with a prefabricated beam joint 200 which is integrally cast with the prefabricated column 100 on the side surface of the prefabricated column 100, and a plurality of first lap joint steel plates 210 which are spaced in parallel are transversely arranged at the end part of the prefabricated beam joint 200; the prefabricated beam 300 is characterized in that a plurality of second lap joint steel plates 310 which are parallel and spaced are transversely arranged at two ends of the prefabricated beam 300, and contact structures for increasing the bonding capacity are arranged on the first lap joint steel plate 210 and the second lap joint steel plates 310; the first and second overlapping

steel plates

210 and 310 are inserted into each other and connected by casting concrete 400.

When the precast beam joints 200 and the precast columns 100 are integrally cast, the relative positions thereof are determined. In the field assembly type construction, the installation position of each precast column 100 is firstly determined and fixedly connected, and then the corresponding position between precast beam joints 200 on each precast column 100 is also determined. The two adjacent prefabricated columns 100 are connected through the prefabricated beam 300, the prefabricated beam 300 is erected, two ends of the prefabricated beam 300 are respectively aligned with the corresponding prefabricated beam joints 200, the first lap-joint steel plate 210 and the second lap-joint steel plate 310 are mutually overlapped, formwork pouring concrete 400 is connected, construction is simple, and construction precision is guaranteed.

Referring to fig. 2, in some embodiments of the present invention, the end of the precast beam joint 200 is provided with a first protrusion 220, the end of the precast beam 300 is correspondingly provided with a second protrusion 320, the end of the first protrusion 220 is transversely provided with a first overlap steel plate 210, and the end of the second protrusion 320 is transversely provided with a second overlap steel plate 310.

When the precast beam 300 is butted with the precast beam joint 200, the precast beam 300 and the precast beam joint 200 are horizontally placed, then the precast beam joint is placed from outside to inside, the second protrusion 320 is aligned with the first protrusion 220, the first lap-joint steel plate 210 and the second lap-joint steel plate 310 can be mutually overlapped, the concrete 400 is poured at the joint of the precast beam joint 200 and the precast beam 300, the area where the concrete 400 can be bonded is larger, and the node shear resistance is stronger after the concrete 400 is poured.

Referring to fig. 3, in some embodiments of the present invention, the contact structure is a plurality of rib-shaped ribs 500, and the rib-shaped ribs 500 are arranged and distributed on the surfaces of the first and second overlapping

steel plates

210 and 310.

After the rib-shaped ribs 500 are arranged on the surfaces of the first and second overlapping

steel plates

210 and 310, better bonding capability with the concrete 400 can be generated, and thus external force can be better borne.

Referring to fig. 4, in some embodiments of the present invention, the contact structure is a plurality of hemispherical protrusions 510, and the hemispherical protrusions 510 are distributed on the surfaces of the first and second overlapping

steel plates

210 and 310.

The hemispherical protrusions 510 can increase the contact area of the first and second overlapping

steel plates

210 and 310 with the concrete 400, thereby generating better adhesive ability and better withstanding the external force.

Referring to fig. 5, in some embodiments of the present invention, a plurality of connecting bars 110 are embedded in the upper end of the prefabricated column 100, the connecting bars 110 are arranged along the axial direction of the prefabricated column 100, the lower end of the connecting bars is provided with connecting holes 120, the connecting bars 110 extend out of the upper end surface of the prefabricated column 100, and the connecting holes 120 are provided with grouting holes 121 for grouting.

When the prefabricated column 100 is installed, the connection hole 120 at the lower end of the prefabricated column 100 is aligned with the connection bar 110 of the prefabricated column 100 installed at the lower layer, the connection bar 110 is inserted into the connection hole 120, and then grouting material is grouted from the grouting hole 121 by grouting equipment to fill the gap.

Referring to fig. 6, in some embodiments of the present invention, overlapping bars 130 are embedded in both ends of a prefabricated column 100, the overlapping bars 130 extend out of the end surface of the prefabricated column 100, the overlapping bars 130 of the upper end portion and the overlapping bars of the upper prefabricated column are overlapped with each other, the overlapping bars 130 of the lower end portion and the overlapping bars of the lower prefabricated column are overlapped with each other, and concrete is poured at the overlapped portion.

When the prefabricated column 100 is installed, overlapping reinforcing steel bars 130 at the lower end of the prefabricated column 100 and overlapping reinforcing steel bars 130 at the upper end of the prefabricated column 100 installed at the lower layer are overlapped with each other, after the prefabricated column 100 is firmly bundled, formwork erection and concrete pouring are performed on site, and after the concrete is solidified, the prefabricated column 100 is continuously installed upwards in the same step.

In some embodiments of the present invention, the end surfaces of the precast beam joint 200 and the precast beam 300 are provided with rough surfaces having a concave-convex depth of not less than 6 mm.

The rough surface is arranged, so that the bonding performance of the concrete 400, the precast beam joint 200 and the precast beam 300 can be improved, and the integrity of the connection node is improved; the depth of the rough surface is not less than 6mm to ensure that the concrete 400 can be bonded firmly and effectively.

Referring to fig. 7, in some embodiments of the present invention, the end surfaces of the precast beam joint 200 and the precast beam 300 are each provided with a plurality of key grooves 600.

When pouring, the concrete 400 is vibrated and enters the key groove 600, the filling is compact, a tenon-and-mortise structure is formed between the poured concrete and the precast concrete after solidification, and compared with a planar bonding end face, the end face with the key groove 600 can obtain better shearing resistance.

In some embodiments of the present invention, the first overlapping steel plate 210 and the second overlapping steel plate 310 are both provided with through slots, and the through slots are vertically communicated with each other to allow concrete to pass through. When the concrete is poured into the connecting joint, the bottom and the side edges are all surrounded by the template, the through grooves are formed in the first lap-joint steel plate 210 and the second lap-joint steel plate 310, and when the concrete is poured into the upper portion, the concrete can flow between the first lap-joint steel plate 210 and the second lap-joint steel plate 310 conveniently, so that the dense filling connection is stable.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A building structure made of prefabricated components, comprising:

the prefabricated beam joint structure comprises a prefabricated column (100), wherein a prefabricated beam joint (200) which is integrally cast with the prefabricated column (100) is arranged on the side surface of the prefabricated column (100), and a plurality of first lap joint steel plates (210) which are spaced in parallel are transversely arranged at the end part of the prefabricated beam joint (200);

the prefabricated beam (300) is characterized in that a plurality of second lap joint steel plates (310) which are parallel and spaced are transversely arranged at two ends of the prefabricated beam (300), and contact structures for increasing the bonding capacity are arranged on the first lap joint steel plate (210) and the second lap joint steel plates (310);

the first overlapping steel plate (210) and the second overlapping steel plate (310) are mutually inserted and connected, and concrete (400) is poured for connection.

2. The building structure formed by prefabricated members according to claim 1, wherein the end portion of the prefabricated beam joint (200) is provided with a first protrusion (220), the end portion of the prefabricated beam (300) is correspondingly provided with a second protrusion (320), the first overlapping steel plate (210) is transversely arranged on the end portion of the first protrusion (220), and the second overlapping steel plate (310) is transversely arranged on the end portion of the second protrusion (320).

3. The building structure formed by prefabricated parts according to claim 1, wherein the contact structure is a plurality of rib-shaped ribs (500), and the rib-shaped ribs (500) are arranged and distributed on the surfaces of the first overlapping steel plate (210) and the second overlapping steel plate (310).

4. The building structure formed by prefabricated members according to claim 1, wherein said contact structure is a plurality of hemispherical protrusions (510), said hemispherical protrusions (510) being distributed on the surface of said first overlapping steel plate (210) and said second overlapping steel plate (310).

5. The building structure formed by prefabricated parts according to claim 1, wherein a plurality of connecting steel bars (110) are embedded at the upper end of the prefabricated column (100), the connecting steel bars (110) are arranged along the axial direction of the prefabricated column (100), a connecting hole (120) is formed at the lower end of the prefabricated column, the connecting steel bars (110) extend out of the upper end surface of the prefabricated column (100), and a filling hole (121) for grouting is formed in the connecting hole (120).

6. The building structure formed by prefabricated members according to claim 1, wherein overlapping reinforcing steel bars (130) are embedded at both ends of the prefabricated column (100), the overlapping reinforcing steel bars (130) extend out of the end surface of the prefabricated column (100), the overlapping reinforcing steel bars (130) at the upper end part and the overlapping reinforcing steel bars of the prefabricated column at the upper layer are overlapped with each other, the overlapping reinforcing steel bars (130) at the lower end part and the overlapping reinforcing steel bars of the prefabricated column at the lower layer are overlapped with each other, and concrete is poured at the overlapped part.

7. A prefabricated building structure according to claim 1, wherein the end surfaces of said precast beam joint (200) and said precast beam (300) are provided with rough surfaces having a depth of unevenness of not less than 6 mm.

8. The building structure made of prefabricated members according to claim 1, wherein the end surfaces of the precast beam joints (200) and the precast beams (300) are provided with a plurality of key grooves (600).

9. The building structure formed by the prefabricated members according to any one of claims 1 to 8, wherein the first overlapping steel plate (210) and the second overlapping steel plate (310) are respectively provided with a through groove, and the through grooves are communicated up and down and can allow concrete to pass through.