CN112854437A

CN112854437A - Prefabricated column cap and have its building frame structure

Info

Publication number: CN112854437A
Application number: CN202110180747.XA
Authority: CN
Inventors: 欧阳学; 彭亿洲; 赵胜飞; 杨鑫蕊; 夏诗绮
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: 2021-05-28

Abstract

The invention discloses a prefabricated column cap, which comprises a column cap, wherein a plurality of vertical through holes are formed in the column cap; the prefabricated beam joints are arranged on the side edges of the column heads, a plurality of transverse stressed steel bars are arranged inside the prefabricated beam joints, and the outer ends of the prefabricated beam joints are provided with connecting structures used for connecting prefabricated beams; the column cap and the precast beam joint are integrally cast and molded by concrete; the prefabricated column cap can optimize the connection structure of the beam and column nodes, and is simple to assemble and high in construction precision.

Description

Prefabricated column cap and have its building frame structure

Technical Field

The invention relates to the technical field of building construction, in particular to a prefabricated column cap and a building frame structure with the same.

Background

In the construction of the 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 concrete solidification, and the reduction is unfavorable for the time limit for a project.

When the connecting joint of the beam and the column is poured, a large number of stirrups need to be bundled, the operable space is small when the stirrups are bundled on site, and after concrete is poured, if the stirrups are insufficient, the pouring quality is poor, and the bearing capacity of the concrete member is reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a prefabricated column cap which can optimize the connection structure of beam and column joints, is simple to assemble and has high construction precision.

The invention also provides a building frame structure.

A prefabricated stud according to an embodiment of the first aspect of the invention, comprising: the column cap is provided with a plurality of vertical through holes; the precast beam joints are arranged on the side edges of the column heads, a plurality of transverse stressed steel bars are arranged inside the precast beam joints, and the outer ends of the precast beam joints are provided with connecting structures for connecting precast beams; the column cap and the precast beam joint are integrally cast and molded by concrete.

The prefabricated column cap provided by the embodiment of the invention at least has the following technical effects: the column head is provided with the through hole which can be assembled, installed and connected with the prefabricated column, and the construction is simple; the column cap and the precast beam joint are integrally poured and formed, the column cap and the precast beam joint are connected with the precast beam during construction and are positioned more easily, the installation precision of the precast beam is improved, and the position size is guaranteed to be accurate.

In some embodiments of the present invention, the connecting structure is a plurality of first connecting bars, and the first connecting bars are disposed at outer ends of the precast beam joints and extend out of end surfaces of the precast beam joints.

In some embodiments of the present invention, the first connecting reinforcement is an extension of the transverse force-receiving reinforcement, and the extension of the transverse force-receiving reinforcement extends out of an end surface of the precast beam joint.

In some embodiments of the present invention, the connecting structure is a plurality of overlapping steel plates, a part of the overlapping steel plates is embedded in the outer end of the precast beam joint, and the rest of the overlapping steel plates extend out of the end surface of the precast beam joint.

In some embodiments of the present invention, an abdicating groove is opened above the column cap, and the through hole is disposed in the abdicating groove.

In some embodiments of the invention, two of the precast beam joints constitute an L-shaped structure, disposed at the side of the column head.

In some embodiments of the present invention, three of the precast beam joints constitute a T-shaped structure, which is disposed at a side of the column cap.

In some embodiments of the invention, four of the precast beam joints constitute a ten-shaped structure, disposed at the side of the column head.

A building frame structure according to an embodiment of the second aspect of the invention includes: go up prefabricated post, prefabricated post and above-mentioned prefabricated column cap down, prefabricated column cap fixed mounting be in the top of prefabricated post down, go up prefabricated post fixed mounting be in the top of prefabricated column cap, through the inside grout material that fills of through-hole on the prefabricated column cap is in order to connect go up prefabricated post, prefabricated column cap and prefabricated column down.

The building frame structure provided by the embodiment of the invention has at least the following technical effects: the whole assembly type installation is adopted, and the construction is simple; go up prefabricated post, prefabricated post and prefabricated column cap junction carry out the grout and fill down, compare in concreting construction, the grout is filled and can be reduced formwork and build, reduction of erection time.

In some embodiments of the present invention, a grouting sleeve is disposed at the bottom of the upper prefabricated column, a second connecting steel bar is disposed at the top of the lower prefabricated column, the second connecting steel bar is inserted into the grouting sleeve after passing through the through hole, and a gap between the grouting sleeve and the through hole is filled with a grouting material.

Additional aspects and advantages of the invention 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 invention.

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 view of a prefabricated column head according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention with a relief groove;

FIG. 3 is a schematic diagram of construction and distribution of a prefabricated column cap according to an embodiment of the invention;

FIG. 4 is a schematic structural diagram of an L-shaped precast beam joint according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a T-shaped precast beam joint according to an embodiment of the present invention;

FIG. 6 is a schematic view of an assembly structure of a prefabricated column cap and a prefabricated column according to an embodiment of the present invention;

fig. 7 is a sectional view showing an assembled structure of a prefabricated column cap and a prefabricated column according to an embodiment of the present invention.

Reference numerals:

column cap 100, through hole 110, abdicating groove 120;

the prefabricated beam comprises a prefabricated beam joint 200, transverse stress steel bars 210, first connecting steel bars 220 and an overlap steel plate 230;

the prefabricated column comprises an upper prefabricated column 300, a grouting sleeve 310, a lower prefabricated column 400, second connecting steel bars 410 and prefabricated column heads 500.

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 prefabricated column head according to an embodiment of the present invention includes: the column cap 100, a plurality of vertical through holes 110 are arranged on the column cap 100; the precast beam joints 200 are arranged on the side edges of the column cap 100, a plurality of transverse stressed steel bars 210 are arranged inside the precast beam joints 200, and the outer ends of the precast beam joints 200 are provided with connecting structures for connecting precast beams; the column cap 100 and the precast beam joint 200 are integrally cast and formed by concrete.

The through hole 110 is used for assembling with a steel bar of the prefabricated column and fixedly connecting after grouting material is poured; precast beam connects 200 and is used for being connected with the precast beam, only need during the installation with precast beam connect 200 alignment alright carry out concreting, need not to carry out complicated measurement location. During construction, firstly, a lower prefabricated column is installed, then the through hole 110 on the column cap 100 is sleeved on the steel bar of the lower prefabricated column, then an upper prefabricated column is installed, the steel bar of the upper prefabricated column is inserted into the through hole 110, the steel bars of the upper prefabricated column and the lower prefabricated column are mutually overlapped in the through hole 110, grouting material begins to be poured until the through hole 110, the column cap 100 and the gaps between the prefabricated columns are fully filled, and grouting material solidification is waited. Or the through hole 110 on the column cap 100 is sleeved on the steel bar of the lower prefabricated column, the steel bar extends out of the through hole 110, the lower end part of the upper prefabricated column is a pouring sleeve, when the upper prefabricated column is installed, the extended steel bar is inserted into the pouring sleeve, and grouting material is poured into the pouring sleeve until all gaps are filled, and the grouting material is waited to be solidified.

In some embodiments of the present invention, the connection structure is a plurality of first connection bars 220, and the first connection bars 220 are provided at outer ends of the precast beam joints 200 and protrude out of end surfaces of the precast beam joints 200.

The first connecting reinforcing steel bars 220 are used for being connected with the precast beam, when the precast beam is erected, reinforcing steel bars at the end part of the precast beam and the first connecting reinforcing steel bars 220 are mutually overlapped, and after the precast beam is stably tied up, the concrete is cast by a formwork on site.

In some embodiments of the present invention, the first connecting reinforcement 220 is an extension of the transverse force reinforcement 210, and the extension of the transverse force reinforcement 210 protrudes out of the end surface of the precast beam joint 200.

When the precast beam joint 200 is manufactured, the longer transverse stressed steel bars 210 are directly adopted to extend out of the end face of the precast beam joint 200, no extra pre-buried steel bars are needed, the processes can be reduced, and the efficiency can be improved; when the prefabricated beam is connected, the transverse stressed steel bars 210 and the steel bars at the end part of the prefabricated beam are overlapped, and after the transverse stressed steel bars and the steel bars are tied firmly, the concrete is poured by a formwork on site.

Referring to fig. 2, in some embodiments of the present invention, the connection structure is a plurality of overlapping steel plates 230, and the overlapping steel plates 230 are partially embedded in the outer end of the precast beam joint 200, and the rest of the overlapping steel plates extend out of the end surface of the precast beam joint 200.

The lap steel plates 230 are used for being connected with the precast beams correspondingly provided with the steel plates, when the precast beams are erected, the steel plates at the end parts of the precast beams and the lap steel plates 230 are mutually overlapped, and after the precast beams are firmly tied up, the formwork is erected on site to pour concrete.

In some embodiments of the present invention, the stud 100 defines an indent 120 therein, and the through-hole 110 is defined in the indent 120.

The through hole 110 on the column cap 100 is sleeved on the steel bar of the lower prefabricated column, the steel bar extends out of the through hole 110, the lower end part of the upper prefabricated column is a pouring sleeve, when the upper prefabricated column is installed, the extended steel bar is inserted into the pouring sleeve, the upper prefabricated column is placed in the abdicating groove 120, grouting material is poured into the pouring sleeve until all gaps and the inside of the abdicating groove 120 are filled, and the grouting material is waited to be solidified. The pouring adhesion surface between the column cap 100 and the upper prefabricated column is larger, the adhesion is more stable, and the structure can bear larger load.

Referring to fig. 3 and 4, in some embodiments of the present invention, two precast beam joints 200 are formed in an L-shaped structure, which is provided at the side of the column cap 100. The column cap 100 with the L-shaped distributed precast beam joints 200 is used for being installed at the upper ends of precast columns at corners of floors, and other precast columns which can form an included angle of 90 degrees with two directions are connected through precast beams to form an external frame of a building.

Referring to fig. 3 and 5, in some embodiments of the present invention, three precast beam joints 200 are formed in a T-shaped structure, which is provided at the side of the column cap 100. The column cap 100 with the prefabricated beam joints 200 distributed in the T shape is used for being installed at the upper ends of the prefabricated columns at the outer frame positions of floors, and can be connected with the prefabricated columns on two sides and indoors through prefabricated beams to form a building frame.

Referring to fig. 2 and 3, in some embodiments of the present invention, four precast beam joints 200 are constructed in a ten-type structure, and are provided at the side of the column cap 100. The column cap 100 with the prefabricated beam joints 200 distributed in a cross shape is used for being installed at the upper ends of prefabricated columns at indoor positions of floors, and can be connected with other prefabricated columns in four directions through prefabricated beams to form an internal frame of a building.

Referring to fig. 6, a building frame structure according to an embodiment of the second aspect of the present invention includes: the prefabricated column head 500 is fixedly installed at the top of the lower prefabricated column 400, the upper prefabricated column 300 is fixedly installed above the prefabricated column head 500, and grouting material is filled in the through hole 110 on the prefabricated column head 500 to connect the upper prefabricated column 300, the prefabricated column head 500 and the lower prefabricated column 400.

During construction and installation, the lower prefabricated column 400 is fixedly installed, the grouting connection is performed to stabilize the structure of the prefabricated column 400 to be arranged, then the prefabricated column head 500 is installed at the top of the lower prefabricated column 400, the upper prefabricated column 300 is fixedly installed on the prefabricated column head 500, grouting materials are filled into the through hole 110, the through hole 110 is tightly filled with the grouting materials, and meanwhile gaps among the upper prefabricated column 300, the prefabricated column head 500 and the lower prefabricated column 400 are also tightly filled.

Referring to fig. 7, in some embodiments of the present invention, a grouting sleeve 310 is provided at the bottom of an upper prefabricated column 300, a second connection reinforcement 410 is provided at the top of a lower prefabricated column 400, the second connection reinforcement 410 is inserted into the grouting sleeve 310 after passing through a through-hole 110, and a space between the grouting sleeve 310 and the through-hole 110 is filled with a grouting material.

The prefabricated column cap 500 is installed on the top of the lower prefabricated column 400 such that the second connection steel 410 passes through the through-hole 110, and then the prefabricated column 300 is installed, the second connection steel 410 can be inserted into the grouting sleeve 310 to start filling the grouting material, and the gap between the grouting sleeve 310 and the through-hole 110 is densely filled.

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 invention. 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 invention 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 invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A prefabricated column head, comprising:

the column cap (100) is provided with a plurality of vertical through holes (110);

the prefabricated beam joints (200) are arranged on the side edges of the column heads (100), a plurality of transverse stressed steel bars (210) are arranged inside the prefabricated beam joints (200), and the outer ends of the prefabricated beam joints (200) are provided with connecting structures for connecting prefabricated beams;

the column cap (100) and the precast beam joint (200) are integrally cast and formed by concrete.

2. The prefabricated column head of claim 1, wherein the connecting structure is a plurality of first connecting rebars (220), the first connecting rebars (220) being provided at outer ends of the precast beam joints (200) and protruding out of end surfaces of the precast beam joints (200).

3. The prefabricated column head of claim 2, wherein the first connecting reinforcement (220) is an extension of the transverse force reinforcement (210), the extension of the transverse force reinforcement (210) protruding beyond an end face of the precast beam joint (200).

4. The prefabricated column cap according to claim 1, wherein the connecting structure is a plurality of overlapping steel plates (230), the overlapping steel plates (230) are partially embedded in the outer end of the prefabricated beam joint (200), and the rest of the overlapping steel plates extend out of the end face of the prefabricated beam joint (200).

5. The prefabricated stud according to claim 1, characterized in that an abdicating groove (120) is made above the stud (100), the through-hole (110) being provided in the abdicating groove (120).

6. The prefabricated stud according to claim 1, characterized in that two of the prefabricated beam joints (200) constitute an L-shaped structure, arranged at the side of the stud (100).

7. The prefabricated stud according to claim 1, characterized in that three of the prefabricated beam joints (200) constitute a T-shaped structure, arranged at the side of the stud (100).

8. The prefabricated stud according to claim 1, characterized in that four of the prefabricated beam joints (200) constitute a cross-shaped structure, arranged at the sides of the stud (100).

9. A building frame structure, comprising: the prefabricated column head (500) of any one of claims 1 to 8, the prefabricated column head (500) being fixedly mounted on the top of the lower prefabricated column (400), the upper prefabricated column head (300) being fixedly mounted above the prefabricated column head (500), and the prefabricated column head (500) being connected to the upper prefabricated column head (300), the prefabricated column head (500) and the lower prefabricated column head (400) by filling grouting material inside the through hole (110) on the prefabricated column head (500).

10. The construction frame structure according to claim 9, wherein a grouting sleeve (310) is provided at the bottom of the upper prefabricated column (300), and a second connecting reinforcement (410) is provided at the top of the lower prefabricated column (400), and the second connecting reinforcement (410) is inserted into the grouting sleeve (310) after passing through the through-hole (110), and a grouting material is filled in a gap between the grouting sleeve (310) and the through-hole (110).