Fabricated prefabricated column and cast-in-place column connection reinforcing structure

Abstract

The utility model belongs to the technical field of building construction, and particularly discloses an assembly type prefabricated column and cast-in-place column connection reinforcing structure which comprises a formwork and a connecting piece used for connecting a cast-in-place column and a prefabricated column, the formwork defines a space used for pouring the cast-in-place column, the bottom of the formwork extends to the upper portion of the prefabricated column, and the connecting piece is used for connecting the prefabricated column and the cast-in-place column. The upper portion and the lower portion of the connecting piece surround the lower portion and the upper portion of the cast-in-place column and the lower portion and the upper portion of the prefabricated column respectively, the outer side of the connecting piece is sleeved with a buckling piece, and the buckling piece can fasten the connecting piece. The problem that the perpendicularity of the whole column is affected by deformation of the joint of the prefabricated column and the cast-in-place column of the assembly type concrete structure can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a reinforcement structure in which an assembled prefabricated column is connected with a cast-in-place column. Background Art

[0002] In order to ensure the overall stability of prefabricated concrete buildings, the vertical connection nodes of precast concrete structures are connected using the principle of equivalent cast-in-place. This connection method requires the reserved steel bars of the lower precast columns to be connected to the upper cast-in-place concrete. The biggest problem with this operation method is that the upper cast-in-place columns are not firmly reinforced, and the columns are prone to displacement and deformation during the installation of floor beams and slabs and the pouring of concrete, which leads to the lower precast columns and the upper cast-in-place columns being easily reinforced at the joints, resulting in up and down deformation, resulting in a large deviation in the verticality of the overall structural columns. Utility Model Content

[0003] The utility model provides a reinforcement structure for connecting an assembled prefabricated column with a cast-in-place column, aiming to solve the problem that the deformation of the joints between the assembled prefabricated column and the cast-in-place column of the assembled concrete structure affects the verticality of the entire column.

[0004] The utility model is achieved through the following technical scheme: an assembled prefabricated column and a cast-in-place column connected reinforcement structure, comprising a template and a connector for connecting the cast-in-place column and the prefabricated column, the template encloses a space for pouring the cast-in-place column, and the bottom of the template extends to the upper part of the prefabricated column, the upper and lower parts of the connector respectively surround the lower and upper parts of the cast-in-place column and the prefabricated column, and a snap-fit ​​member is sleeved on the outer side of the connector, and the snap-fit ​​member can fasten the connector.

[0005] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0006] The template in the utility model is used for later pouring to form a cast-in-place column, and the bottom of the template extends to the upper part of the prefabricated column, so that it is convenient to reinforce the template and the cast-in-place column through the connecting piece. The upper and lower parts of the connecting piece in the utility model respectively surround the lower and upper parts of the cast-in-place column and the prefabricated column, so that reinforcement is achieved within a certain range above and below the mutual connection between the cast-in-place column and the prefabricated column, improving the connection stability between the cast-in-place column and the prefabricated column, and can effectively achieve the reinforcement and limiting effect on the cast-in-place column and the prefabricated column, ensuring the connection rigidity between the prefabricated column and the upper cast-in-place column, ensuring that there is no deformation or bending during the concrete pouring process, and effectively improving the overall verticality.

[0007] Furthermore, the connecting member includes a first connecting member and a second connecting member, and an end portion of the first connecting member and an end portion of the second connecting member are connected to each other.

[0008] Beneficial effect: In this solution, the connecting piece is divided into two parts, a first connecting piece and a second connecting piece, which is convenient for splicing and assembling on site and can be assembled according to the actual size requirements on site, making the operation more convenient.

[0009] Furthermore, the first connecting member and the second connecting member are connected to each other to form a rectangular structure, and the first connecting member and the second connecting member each include a plurality of spaced back keels, and the plurality of back keels in the first connecting member and the plurality of back keels in the second connecting member are distributed according to the shape formed after the first connecting member and the second connecting member are connected to each other, and the template is provided with a plurality of templates, and the plurality of templates are respectively located on each inner side surface of the first connecting member and the second connecting member, and the splicing end of the template of the first connecting member is connected to the splicing end of the template of the second connecting member, and the snap-fit ​​member is located on the outside of the back keel and locks the back keel and the template to the outside of the cast-in-place column and the prefabricated column.

[0010] Beneficial effect: In this solution, the shape formed by assembling the first connecting member and the second connecting member matches the rectangular shape of the cast-in-place column and the prefabricated column, which has a better reinforcement effect between the cast-in-place column and the prefabricated column and effectively improves the overall verticality.

[0011] In addition, in the present solution, the first connecting member and the second connecting member are composed of a plurality of spaced-apart back purlins, and the plurality of back purlins are connected and fixed by formwork and snap fasteners, which can effectively realize the reinforcement and limiting of the prefabricated columns and cast-in-place columns, and ensure the overall verticality of the cast-in-place columns and prefabricated columns.

[0012] Furthermore, angle steels are connected between the two back keels located at the corners in the first connecting member and the second connecting member.

[0013] Beneficial effect: In this solution, the angle steel can connect the two back keels at the corner, which can improve the overall strength and firmness of the connector after assembly, thereby improving the positioning effect of the cast-in-place column and improving the overall verticality.

[0014] Furthermore, a limiting member is provided at a position where the template on the first connecting member and the template on the second connecting member are spliced ​​with each other, and the limiting member is connected to the template of the first connecting member and the template of the second connecting member.

[0015] Beneficial effect: The limiting member in this solution can connect the templates on the first connecting member and the second connecting member.

[0016] Furthermore, the limiting member has a slot, and the template of the first connecting member and the template ends of the second connecting member can be inserted into the slot of the limiting member.

[0017] Beneficial effects: In this solution, the first connecting member and the second connecting member can be connected by respectively inserting the template at the end of the first connecting member and the template at the end of the second connecting member into the two ends of the slot of the limiting member, and the connection method is simple and convenient.

[0018] Furthermore, there are a plurality of the snap fasteners, and the plurality of the snap fasteners are distributed at vertical intervals along the back keel.

[0019] Beneficial effect: In this solution, multiple fasteners are provided, which can improve the reinforcement of prefabricated columns and cast-in-place columns.

[0020] Furthermore, it also includes back ribs and column hoops, wherein there are multiple back ribs, the multiple back ribs are vertically arranged and spaced apart on the outside of each formwork, the back ribs are located in the area for casting cast-in-place columns, and the column hoops are located on the outside of the multiple back ribs and can fasten the multiple back ribs.

[0021] Beneficial effect: The setting of back ribs and column hoops in this scheme can further improve the support for the formwork, so that when the cast-in-place columns are cast in the later stage, they can play a supporting and limiting role for the cast-in-place columns and improve the verticality of the cast-in-place columns.

[0022] Furthermore, there are a plurality of column hoops, and the plurality of column hoops are vertically spaced and distributed along the back ribs.

[0023] Beneficial effect: The provision of multiple column hoops can enhance the support and reinforcement effect on the formwork and cast-in-place columns.

[0024] Furthermore, the buckle and the column hoop are both square column buckles.

[0025] Beneficial effects: The square column buckle is easy to use and simple to install, and can form a good fastening effect on the back keel and back rib. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0027] Figure 1 This is a structural schematic diagram of Example 1 of a reinforcement structure of an assembled prefabricated column connected to a cast-in-place column according to the utility model;

[0028] Figure 2 It is a plan view of the first connecting member in Example 1 of a reinforcement structure for connecting an assembled prefabricated column with a cast-in-place column of the utility model;

[0029] Figure 3 It is a plan view of the second connecting member in Example 1 of a reinforcement structure for connecting an assembled prefabricated column with a cast-in-place column of the utility model;

[0030] Figure 4 This is a plan view of a prefabricated column and a cast-in-place column connected to a reinforcement structure of the utility model, Example 1, after the first connecting member and the second connecting member are spliced ​​together;

[0031] Figure 5 It is a plan view of the outer sides of the first connecting member and the second connecting member after the splicing is completed in Example 1 of the utility model of a reinforcement structure for connecting an assembled prefabricated column with a cast-in-place column;

[0032] Figure 6 for Figure 2 A partial enlarged view of the middle A;

[0033] Figure 7 for Figure 3 A partial enlarged view of point B in the middle;

[0034] Figure 8 It is a stereoscopic diagram of Embodiment 1 of a reinforcement structure of an assembled prefabricated column connected to a cast-in-place column of the utility model;

[0035] Fig. 9 This is a structural schematic diagram of Example 2 of a reinforcement structure of an assembled prefabricated column connected to a cast-in-place column according to the utility model.

[0036] Marks and corresponding parts names in the attached drawings:

[0037] Back keel 1, formwork 2, angle steel 3, flat steel 4, fasteners 5, cast-in-place columns 6, prefabricated columns 7, back ribs 8, column hoops 9. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0039] Example 1

[0040] like Figure 1 As shown, this embodiment 1 provides a reinforcement structure for connecting prefabricated columns and cast-in-place columns, including a template 2 ( Figure 1 The green line part) and the connecting parts for connecting the cast-in-place columns 6 and the prefabricated columns 7, the template 2 encloses a space for pouring the cast-in-place columns 6. In this embodiment, the cast-in-place columns 6 and the prefabricated columns 7 are both rectangular structures.

[0041] The bottom of the template 2 extends to the upper part of the prefabricated column 7, and the upper and lower parts of the connecting piece are respectively surrounded by the lower and upper parts of the cast-in-place column 6 and the prefabricated column 7. In this embodiment, the prefabricated column 7 and the cast-in-place column 6 are assembled within a range of 500 mm above and below the connection position, that is, the upper and lower parts of the connecting piece are respectively located between the cast-in-place column 6 and the prefabricated column 7 within a range of 500 mm from the connection position, and a buckle 5 ( Figure 1 The fastener 5 can fasten the connector.

[0042] like Figure 1 As shown, in this embodiment, there are four clips 5, and the four clips 5 are distributed at vertical intervals along the back keel 1. In this embodiment, two of the four clips 5 are located below the connection seam between the cast-in-place column 6 and the prefabricated column 7, and the other two clips 5 are located above the connection seam.

[0043] One of the two clips 5 located at the top is 100 mm away from the connecting seam, and the other clip 5 is 100 mm away from the top of the back keel 1; one of the two clips 5 located at the bottom is 100 mm away from the connecting seam, and the other clip 5 is 100 mm away from the bottom of the back keel 1, so that the upper, middle and lower parts of the back keel 1 can be effectively fastened, thereby effectively supporting and reinforcing the prefabricated columns 7 and the cast-in-place columns 6.

[0044] Combination Figure 2 and Figure 3 As shown, in this embodiment, the connecting member includes a first connecting member and a second connecting member, and the end of the first connecting member and the end of the second connecting member are connected to each other. Figure 4 As shown, the first connecting member and the second connecting member are connected to each other to form a complete rectangular structure, such as Figure 5 As shown, after the first connecting member and the second connecting member are connected, the fastening can be achieved by snapping the fastener 5 on the outer sides of the first connecting member and the second connecting member. The fastener 5 in this embodiment adopts the square column buckle in the prior art.

[0045] like Figure 2 and Figure 3 As shown, the first connecting member and the second connecting member each include a plurality of spaced dorsal keels 1 ( Figure 1 The multiple back keels 1 in the first connecting member and the multiple back keels 1 in the second connecting member are distributed according to the shape formed after the first connecting member and the second connecting member are connected to each other. In this embodiment, the back keels 1 on each side are arranged at a spacing of 100 mm.

[0046] In this embodiment, there are multiple templates 2, and the multiple templates 2 are respectively located on each inner side of the first connecting member and the second connecting member. Figure 6As shown, angle steel 3 is connected between the two back purlins 1 located at the corner in the first connecting member and the second connecting member. In this embodiment, the angle steel 3 is located on the side of the template 2 away from the back purlin 1, and the angle steel 3 is fixed in combination by ST5.5 self-tapping and self-drilling screws. When fixing the angle steel 3, the screws are made to pass through the template 2 and the back purlin 1, thereby connecting the two templates 2 located at the right angle side with the two back purlins 1 at the corner.

[0047] like Figure 3 and Figure 4 As shown, the splicing end of the template 2 of the first connecting member is connected to the splicing end of the template 2 of the second connecting member, and a limiter is provided at the position where the template 2 on the first connecting member and the template 2 on the second connecting member are spliced ​​together. The limiter is connected to the template 2 of the first connecting member and the template 2 of the second connecting member. Figure 7 As shown, the limiting member has a slot, and the ends of the template 2 of the first connecting member and the template 2 of the second connecting member can be inserted into the slot of the limiting member. In this embodiment, the limiting member is fixed to the template 2 of the second connecting member by screws. During assembly, the connection between the template 2 of the first connecting member and the second connecting member can be achieved by inserting the template 2 at its end on the first connecting member into the slot of the limiting member. In order to achieve the stability of the connection of the template 2, after the template 2 on the first connecting member is inserted into the slot of the limiting member, the template 2 on the second connecting member can be firmly connected with the template 2 on the first connecting member by driving screws into the first connecting member and the limiting member.

[0048] The fastener 5 is located on the outside of the back keel 1 and locks the back keel 1 and the formwork 2 to the outside of the cast-in-place column 6 and the prefabricated column 7. Figure 5 As shown, after the templates 2 on the first connecting member and the second connecting member are assembled and connected to each other, the fastener 5 is assembled so that the fastener 5 tightens the first connecting member and the second connecting member again, thereby achieving a reinforcement and limiting effect between the prefabricated column 7 and the cast-in-place column 6.

[0049] The specific implementation process is as follows:

[0050] 1. According to the design drawings of the prefabricated columns 7, sort out the column models and assemble the connectors and templates 2 in advance according to the models.

[0051] 2. If Figure 2 As shown, first make and assemble the first connecting part. In this embodiment, the template 2 adopts a 15mm thick coated board, the back keel 1 adopts ultra-high strength steel, and the back keel 1 is arranged at a spacing of 100mm. The existing fastener accessories are used to fix it to the template 2. The template 2 is installed on the inner side of the back keel 1 on each side, and the two back keels 1 located at the two corners are connected by angle steel 3. The angle steel 3 at the corner, the template 2 and the back keel 1 are connected and fixed with ST5.5 self-tapping and self-drilling screws.

[0052] 3. Such as Figure 3 As shown, the second connecting piece is made and assembled, the template 2 is made of 15mm coated board, the back keel 1 is made of ultra-high strength steel, and is arranged at a spacing of 100mm. The existing fasteners are used to fix the template 2. The template 2 is installed on the inner side of the back keel 1 on each side, and the two back keels 1 at the two corners are connected by angle steel 3. The angle steel 3, template 2 and back keel 1 at the corner are connected and fixed by ST5.5 self-tapping and self-drilling screws. The two splicing ends of the template 2 of the second connecting piece are connected with limit members by screws, and the limit members serve as the part spliced ​​with the first connecting piece.

[0053] 4. Such as Figure 4 and Figure 1 As shown, the prefabricated column 7 and the cast-in-place column 6 are assembled within a range of 500 mm above and below the connection seam, and the first connecting member and the second connecting member are fastened with four square column buckles to reinforce the connection position of the prefabricated column 7 and the cast-in-place column 6.

[0054] Combination Figure 1 As shown, the two square column buckles located at the bottom of the four square column buckles, that is, the square column buckle located at the bottom is 100mm away from the bottom of the back keel 1, and the square column buckle located at the top is 100mm away from the joint position. The two square column buckles located at the top, the square column buckle located at the bottom is 100mm away from the joint position, and the square column buckle located at the top is 100mm away from the top of the back keel 1. The state after the reinforcement structure is installed and fixed on the cast-in-place column and the prefabricated column is as follows Figure 8 shown.

[0055] Example 2

[0056] like Fig. 9 As shown, a prefabricated column and a cast-in-place column are connected to form a reinforcement structure. The difference between this embodiment and embodiment 1 is that it also includes back ribs 8 and column hoops 9. There are multiple back ribs 8. The multiple back ribs 8 are vertically arranged and spaced apart on the outside of each formwork 2. In this embodiment, the number of back ribs 8 on each formwork 2 is set according to its width. When the width of the formwork 2 is greater than or equal to 0.6m, the number of back ribs 8 on each formwork 2 is four. When the width of the formwork 2 is less than 0.6m, the number of back ribs 8 on each formwork 2 is three.

[0057] The back ribs 8 are located in the area where the cast-in-place columns 6 are cast, and the column hoops 9 are located outside the plurality of back ribs 8 and can fasten the plurality of back ribs 8, so that the back ribs 8 can reinforce and support the formwork 2 and the cast-in-place columns 6 again. In this embodiment, a plurality of column hoops 9 are provided, and the plurality of column hoops 9 are vertically equidistantly distributed along the back ribs 8, and the column hoops 9 are also square column buckles. In this embodiment, the spacing between the back ribs is 150 mm, and the spacing between the column hoops is 500 mm.

[0058] In this embodiment, the column hoop 9 should be connected to the external full-floor scaffolding by using long steel pipes or adding diagonal braces every 4 steps.

[0059] It should be noted that the above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present application. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

[0060] In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0061] In the description of this document, terms such as "up", "down", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", and "longitudinal" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only used to illustrate the relative positional relationships between the various components or components, and do not particularly limit the specific installation orientations of the various components or components.

[0062] In the description of this document, some terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to the specific circumstances.

[0063] In the description of this document, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0064] The structures, proportions, sizes, etc. drawn in the drawings in this application are only used to match the contents disclosed in this technical briefing book for technical personnel in this field to understand and read, and are not used to limit the restrictive conditions for the implementation of this application. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0065] The terms used in this document are those common terms currently widely used in the art in consideration of the functions of the present disclosure, but these terms may vary according to the intention of a person of ordinary skill in the art, precedents, or new technologies in the art. In addition, specific terms may be selected by the applicant, and in this case, their detailed meanings will be described in the detailed description of the present disclosure. Therefore, the terms used in the document should not be understood as simple names, but rather as an overall description based on the meaning of the terms and the present disclosure.

[0066] Flowcharts or text are used in this document to illustrate the operating steps performed according to the embodiments of the present application. It should be understood that the operating steps in the embodiments of the present application are not necessarily accurately performed in the order of recording. On the contrary, various steps can be processed in reverse order or simultaneously as needed. At the same time, other operations can also be added to these processes, or a certain step or several steps can be removed from these processes.

[0067] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A reinforcement structure of prefabricated columns connected to cast-in-place columns, characterized in that: It includes a template and a connector for connecting a cast-in-place column and a prefabricated column, the template encloses a space for casting the cast-in-place column, and the bottom of the template extends to the upper part of the prefabricated column, the upper and lower parts of the connector respectively surround the lower and upper parts of the cast-in-place column and the prefabricated column, and a snap-fit ​​member is sleeved on the outer side of the connector, and the snap-fit ​​member can fasten the connector.

2. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 1, characterized in that: The connecting member includes a first connecting member and a second connecting member, and an end portion of the first connecting member and an end portion of the second connecting member are connected to each other.

3. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 2 is characterized in that: The first connecting member and the second connecting member are connected to each other to form a rectangular structure. The first connecting member and the second connecting member each include a plurality of spaced back keels. The plurality of back keels in the first connecting member and the plurality of back keels in the second connecting member are distributed according to the shape formed after the first connecting member and the second connecting member are connected to each other. The template is provided with a plurality of templates, and the plurality of templates are respectively located on each inner side surface of the first connecting member and the second connecting member, and the splicing end of the template of the first connecting member is connected to the splicing end of the template of the second connecting member, and the snap-fit ​​member is located on the outside of the back keel and locks the back keel and the template to the outside of the cast-in-place column and the prefabricated column.

4. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 3 is characterized in that: Angle steel is connected between the two back keels located at the corners of the first connecting member and the second connecting member.

5. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 3, characterized in that: A limiting member is provided at a position where the template on the first connecting member and the template on the second connecting member are spliced ​​with each other, and the limiting member is connected to the template of the first connecting member and the template of the second connecting member.

6. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 5, characterized in that: The limiting member is provided with a slot, and the template of the first connecting member and the template ends of the second connecting member can be inserted into the slot of the limiting member.

7. A prefabricated column and cast-in-place column connected reinforcement structure according to any one of claims 3 to 6, characterized in that: There are a plurality of the snap fasteners, and the plurality of the snap fasteners are distributed at vertical intervals along the back keel.

8. A prefabricated column and cast-in-place column connected reinforcement structure according to any one of claims 1 to 6, characterized in that: It also includes back ribs and column hoops. There are multiple back ribs. The multiple back ribs are vertically arranged and spaced apart on the outside of each formwork. The back ribs are located in the area for casting cast-in-place columns. The column hoops are located on the outside of the multiple back ribs and can fasten the multiple back ribs.

9. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 8, characterized in that: There are multiple column hoops, and the multiple column hoops are vertically spaced and distributed along the back ribs.

10. The reinforced structure of prefabricated columns connected to cast-in-place columns according to claim 8, characterized in that: The buckle and the column hoop are both square column buckles.

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