CN115199029A

CN115199029A - Cast-in-place beam-slab structure formwork system and construction method thereof

Info

Publication number: CN115199029A
Application number: CN202210484853.1A
Authority: CN
Inventors: 焦万荣; 高翔; 陈俊
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-10-18

Abstract

The application discloses cast-in-place beam slab structure template system and construction method thereof, and cast-in-place beam slab structure template system includes: a plane large template system and a vertical supporting system. The large plane template system comprises a keel and a template connected to the keel, wherein the keel and the template are fixedly connected into a whole. The vertical supporting system is located at the bottom of the plane large formwork system, and the vertical supporting system is detachably connected with the plane large formwork system. The utility model provides a big template system in plane among cast-in-place beam slab structure template system is fixed body structure, has made things convenient for the dismouting process, has solved the problem that traditional template system must be pieced together and disassembled in a scattered way, has improved the efficiency of construction.

Description

Cast-in-place beam-slab structure formwork system and construction method thereof

Technical Field

The invention relates to the technical field of building construction, in particular to a cast-in-place beam-slab structure formwork system and a construction method thereof.

Background

The plane template system in the cast-in-place beam slab structure template system in the prior art generally comprises a main keel, a secondary keel and a template paved on the secondary keel, wherein the main keel, the secondary keel and the template are detachably assembled, each main keel, each secondary keel and each template are required to be assembled and disassembled in a scattered mode in the process of disassembling the template system, the whole system structure is complex, the difficulty in structural installation and disassembly is high, labor and time are wasted, potential safety hazards are caused due to the fact that materials slide easily, and the problems of material damage, serious deformation and the like are solved.

Disclosure of Invention

The invention provides a cast-in-place beam slab structure template system and a construction method thereof.

The application provides the following technical scheme:

a first object of the present application is to provide a cast-in-place beam slab structure formwork system, including:

the large plane template system comprises a keel and a template connected with the keel, and the keel and the template are fixedly connected into an integral structure;

the vertical supporting system is positioned at the bottom of the plane large formwork system and detachably connected with the plane large formwork system.

Optionally, a plurality of upper support sleeves are arranged on the planar large template system, the vertical support system includes a plurality of columns, and each column is detachably inserted into the upper support sleeve.

Optionally, the cast-in-place beam slab structure formwork system further comprises a side formwork system;

the side formwork system is detachably connected to the peripheral side edge of the plane large formwork system.

Optionally, the edge of the large flat formwork system is provided with an inclined structure, the side formwork system comprises a bracket and an end formwork, the bracket is detachably connected to the inclined structure, and the end formwork is detachably connected to the bracket.

Optionally, a first positioning pin is arranged at the edge of the large planar template system, the first positioning pin protrudes out of the inclined structure, and the bracket is provided with a first insertion hole;

and under the state that the bracket is connected to the inclined structure, the first positioning pin is inserted into the first insertion hole.

Optionally, the end die comprises a side die and a beam side die, the side die and the beam side die are vertically connected, the beam side die is connected with a second positioning pin, and the bracket is provided with a second insertion hole;

and the second positioning pin is inserted in the second insertion hole in the state that the end die is connected to the bracket.

Optionally, the planar large formwork system includes a first large formwork and a second large formwork, and the first large formwork and the second large formwork are connected in a foldable manner.

Optionally, the first big template is provided with a first hinged seat and a first connecting hole along two sides of the thickness direction, the second big template is provided with a second hinged seat and a second connecting hole along two sides of the thickness direction, the first hinged seat is hinged to the second hinged seat, and the first connecting hole is detachably connected to the second connecting hole through a pin shaft.

A second objective of the present application is to provide a construction method of a cast-in-place beam slab structure formwork system, including:

s10, lifting the large plane template system to an elevation position by a forklift;

s20, arranging a vertical supporting system at the bottom of the large plane template system, and detachably connecting the vertical supporting system with the large plane template system;

s30, waiting for the strength of the structural concrete to meet a form removal condition;

s40, supporting a large planar template system by using a forklift;

and S50, disassembling the vertical supporting system.

Optionally, the construction method further comprises a side formwork system;

before the step S10, a step of installing a side formwork system on the large flat formwork system is further included;

further included after step S50 is:

s60, reducing the height of the large planar template system by using a forklift;

and S70, disassembling the side die system.

Through adopting above-mentioned technical scheme for this application has following beneficial effect:

the utility model provides a big template system in plane among cast-in-place beam slab structure template system is fixed body structure, has made things convenient for the dismouting process, has solved the problem that traditional template system must be pieced together scattered and torn open, has improved the efficiency of construction.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of a cast-in-place beam-slab structure formwork system according to an embodiment of the present invention;

fig. 2 is a schematic partial structural view of a cast-in-place beam-slab structural formwork system according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a cast-in-place beam slab structural formwork system provided in an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of a portion of the structure of FIG. 4;

FIG. 6 is a schematic view of the mating structure of the first locator pin, the bracket, and the end mold;

FIG. 7 is a schematic view of the structure of the stent;

FIG. 8 is a schematic structural view of an end mold;

FIG. 9 is an enlarged view of portion B of FIG. 3;

fig. 10 is a schematic view of the structure at the column.

In the figure: 1. a large planar template system; a. a first large template; a1, a first hinge seat; b. a second large template; b1, a second hinge base; 11. main keel, 12, secondary keel; 13. a template; 14. an upper support sleeve; 15. a first locating pin; 2. a vertical support system; 21. a column; 211. a lower support sleeve; 211a, a first through groove; 212. a core bar; 213. a pin; 214. a nut; 22. a horizontal stay bar; 23. a tension member; 231. turnbuckle screws; 3. a side form system; 31. a support; 32. end die; 321. side molding; 322. a beam side mold; 323. a second positioning pin; 4. a pin shaft; 5. a top plate; 6. a structural beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example one

Referring to fig. 1 to 10, in an embodiment of the present application, there is provided a cast-in-place beam slab structure formwork system, including: a plane large formwork system 1 and a vertical support system 2. The large plane template system 1 comprises a keel and a template 13 connected to the keel, and the keel and the template 13 are fixedly connected into a whole. The vertical supporting system 2 is located at the bottom of the plane large formwork system 1, and the vertical supporting system 2 is detachably connected with the plane large formwork system 1. The large plane template system 1 in the cast-in-place beam slab structure template system is of a fixed integrated structure, the dismounting and mounting procedures are facilitated, the problem that the traditional template system needs to be scattered and dismounted in a scattered mode is solved, and the construction efficiency is improved.

The template 13 can be made of wood or aluminum, and the keel and the vertical support system 2 can be made of section steel.

Referring to fig. 1, 3 and 9, in a possible embodiment, a plurality of upper support sleeves 14 are arranged on the large flat formwork system 1, and the vertical support system 2 comprises a plurality of upright posts 21, and each upright post 21 is detachably inserted into the upper support sleeve 14. When the cast-in-place beam slab structure formwork system is disassembled, the large plane formwork can be supported by a forklift, and the disassembling task can be quickly completed by pulling out the stand columns 21 downwards.

In one possible embodiment, the cast-in-place beam slab structure formwork system further comprises a side formwork system 3. The side formwork system 3 is detachably connected to the peripheral side edge of the large plane formwork system 1.

In this embodiment, can make 1 border position of big template system in plane straight through setting up side forms system 3, still make things convenient for the dismantlement of template system simultaneously: referring to fig. 4, after a plurality of formwork systems are erected, a pouring operation is performed, after the pouring operation is completed, a top plate 5 is formed at the top of a formwork, and a structural beam 6 is formed between the side formwork systems 3 of adjacent formwork systems, and the structural beam 6 extrudes and fixes the edge of the large flat formwork system 1. When the large planar template system 1 is disassembled, after the upright posts 21 are disassembled, the forklift supporting part is controlled to descend, the large planar template system 1 descends along with the forklift supporting part, and only the side template system 3 is clamped on the inner side of the structural beam 6. And then disassembling the side die system 3. The large plane template system 1 is prevented from being directly clamped on the inner side of the structural beam 6, so that the large plane template system 1 is fixed in the structural beam 6 and is not easy to disassemble.

Specifically, referring to fig. 4 to 8, the edge of the large flat formwork system 1 is in an inclined structure, the side formwork system 3 includes a bracket 31 and an end formwork 32, the bracket 31 is detachably connected to the inclined structure, and the end formwork 32 is detachably connected to the bracket 31.

The edge of the large planar template system 1 is of an inclined structure, the bottom is large, the top is small, and the large planar template system 1 can be conveniently separated from the side formwork system 3 directly when the forklift is lowered.

In a possible embodiment, referring to fig. 5 to 8, the edge of the large flat formwork system 1 is provided with a first positioning pin 15, the first positioning pin 15 protrudes out of the inclined structure, and the bracket 31 is provided with a first insertion hole. In a state where the bracket 31 is connected to the inclined structure, the first positioning pin 15 is inserted into the first insertion hole.

In this embodiment, a plurality of brackets 31 may be provided, the brackets 31 are in the shape of right triangles, and when the brackets 31 are supported on the inclined structure at the edge of the large-size planar formwork system 1, the positioning pins are inserted into the first insertion holes formed in the brackets 31. The end mold 32 comprises side molds 321 and beam side molds 322, the side molds 321 are vertically connected with the beam side molds 322, beam forming cavities are formed between the beam side molds 322 of the side mold systems 3 on the adjacent plane large formwork systems 1, the bottoms of the adjacent beam side molds 322 are connected through bottom plates, and after concrete is poured, the structural beams 6 can be formed in the beam forming cavities through curing.

In a possible embodiment, the end mold 32 includes a side mold 321 and a beam-side mold 322, the side mold 321 and the beam-side mold 322 are vertically connected, the beam-side mold 322 is connected with a second positioning pin 323, and the bracket 31 is provided with a second insertion hole. In a state where the end die 32 is connected to the bracket 31, the second positioning pin 323 is inserted into the second insertion hole. The second orientation allows the end to be vertically downward to facilitate removal between the bracket 31 and the end form 32.

It should be noted that, in the embodiment of the present application, referring to fig. 2, the large planar formwork system 1 includes a keel and a formwork connected to the keel, the keel may include a plurality of main keels 11 and a plurality of secondary keels 12, the main keel 11 may include a plurality of trusses, each truss includes an upper beam, a lower beam and a plurality of oblique beams connecting the upper beam and the lower beam, the secondary keel 12 is perpendicular to each main keel 11, the secondary keel 12 is perpendicular to the upper beam, and the formwork is tiled on the secondary keel 12. In the embodiment of the application, side forms system 3 includes main joist side forms 321 and secondary joist side forms, and main joist side forms 321 installs in 11 tip of main joist, and the upper beam and the underbeam length of main joist 11 are different, conveniently make 11 borders of main joist be regular rectangle behind installing support 31, and last installation end form 32 can on support 31. The secondary joist side forms are installed on the main joist 11 located at the edge, the secondary joist side forms and the main joist side forms are basically the same in structure, and the secondary joist side forms sequentially and alternately install a plurality of supports and end forms 32 connected to the supports 31 along the length direction of the main joist at the edge of the plane large formwork system.

In a possible embodiment, the planar large formwork system 1 comprises a first large formwork a and a second large formwork b, and the first large formwork a and the second large formwork b are connected in a foldable mode.

In this embodiment, the large planar formwork system 1 is of a foldable structure, so that the large planar formwork system 1 can be conveniently transferred for later use after being folded.

In a possible embodiment, referring to fig. 1 and 9, a first hinge seat a1 and a first connection hole are respectively arranged on two sides of a first large template a along the thickness direction, a second hinge seat b1 and a second connection hole are respectively arranged on two sides of a second large template b along the thickness direction, the first hinge seat a1 and the second hinge seat b1 are hinged, and the first connection hole and the second connection hole are detachably connected through a pin 4.

When dismantling this big template system of plane 1, can dismantle earlier and take off round pin axle 4, rotatable fit between first big template a and the big template b of second this moment is folding position between the two, makes first big template a and the big template b of second laminate mutually after folding big template system of plane 1.

Referring to fig. 1 and 3, the vertical columns 21 of the vertical support system 2 may be all telescopic vertical columns 21, so that when the vertical support system 2 is disassembled, the large planar formwork system 1 is firstly dragged by a forklift, and then the vertical columns 21 are retracted, so that the vertical support system 2 is conveniently disassembled. Vertical support system 2 can also include a plurality of horizontal stay bars 22, one is connected respectively at horizontal stay bar 22's both ends flexible stand 21 for each flexible stand 21 is a structure, improves vertical support system 2's structural stability.

In a possible embodiment, referring to fig. 10, the telescopic column 21 includes a lower support sleeve 211 and a core rod 212, the lower support sleeve 211 is provided with a first through slot 211a, the core rod 212 is slidably connected to the lower support sleeve 211, the core rod 212 is provided with a plurality of fixing holes along a length direction, a pin 213 penetrates through the first through slot and is inserted into any one of the fixing holes to fix the position of the core rod 212, and the core rod 212 is connected to the upper support sleeve 14 on the large flat formwork system 1

In a possible embodiment, the first through groove 211a is an elongated shape extending along a length direction of the lower support sleeve 211, the lower support sleeve 211 is provided with an external thread, the external thread is screwed with a nut 214, and the pin 213 is supported on the nut 214. In this embodiment, the position of the core rod 212 can be finely adjusted by rotating the nut 214, so as to improve the supporting accuracy of the vertical supporting system 2.

Referring to fig. 3, the vertical support system 2 further comprises a tension member 23, the tension member 23 is disposed obliquely, one end of the tension member 23 is connected to a lower support sleeve 211, and the other end of the tension member 23 is connected to the large formwork system 1 or an upper support sleeve 14. Through the arrangement of the tensioning piece, the vertical columns 21 are in an integral structure by matching with the horizontal support rods 22, and the positions of the vertical columns 21 are fixed and do not collapse.

In a possible embodiment, the tightening unit 23 comprises two tightening segments and a turnbuckle 231, one of the tightening segments connects the turnbuckle 231 and the lower seat sleeve, and the other of the tightening segments connects the turnbuckle 231 and the upper seat sleeve 14 or the flat formwork system 1.

In this embodiment, the tightening member 23 can be adjusted to be locked by rotating the turnbuckle 231, which facilitates the assembly and disassembly of the vertical support system 2.

In a possible embodiment, a first hanging lug is arranged on the lower support sleeve, a second hanging lug is arranged on the upper support sleeve or the large flat template system, one end of the tension component 23 is connected with the first hanging lug, and the other end of the tension component 23 is connected with the second hanging lug.

In this embodiment, the design of the lugs facilitates the attachment assembly of the tension members 23.

The cast-in-place beam slab structure formwork system provided by the invention has the advantages of reasonable structural stress, reliable connection and simple construction process. The mechanical degree of installing and detaching the template is improved, the labor intensity of construction is reduced, the construction efficiency and the forming quality of the structure are improved, and potential safety hazards and material damage caused by sliding of the detached template are effectively avoided. Further improves the turnover rate of turnover materials such as the template and the like and reduces the construction cost.

Example two

The second embodiment of the application provides a production process flow of the cast-in-place beam-slab structure formwork system. Firstly, dividing the structural dimensions of a main keel 11, an upright column 21, a secondary keel 12 and the like according to the structural load condition → manufacturing the main keel 11 by welding square tube steel, welding an upper support sleeve 14 on the main keel 11 → positioning and leveling the finished main keel 11 according to the plane position, installing the secondary keel 12 at the position of installing a large template → welding a first positioning pin 15 → manufacturing a bracket 31 at the end part by welding the square tube steel, arranging a first insertion hole on the bracket 31 according to the position of the first positioning pin 15, matching the bottom dimension of the first insertion hole with the root of the first positioning pin 15 → installing a template on the large template secondary keel 12 → manufacturing a combined end mold 32 of a side mold 321 and a beam side mold 322, welding a second positioning pin 323 on the beam side mold 322, arranging a second insertion hole on the bracket 31, meeting the insertion positioning of the requirements of a combined body → manufacturing the upright column 21 by manufacturing a round pipe → manufacturing a tensioning part 23 by using round steel.

EXAMPLE III

The third embodiment of the present application further provides a construction method for the cast-in-place beam slab structure formwork system in embodiment 1, including:

s10, lifting the large plane template system 1 to an elevation position by a forklift;

s20, arranging a vertical supporting system 2 at the bottom of the large planar template system 1, and detachably connecting the vertical supporting system 2 with the large planar template system 1;

in this step, the core rod 212 and the lower support sleeve 211 are adjusted to meet the support length, the pin is inserted, the verticality of the column 21 is corrected, and the nut 214 is used to finely adjust the length of the column 21. The horizontal stay 22 and the tension member 23, the turnbuckle 231 and the tension member 23 are installed and supported.

And S30, waiting for the strength of the structural concrete to meet the formwork removal condition, loosening and removing the tensioning part 23, and removing the horizontal stay bar 22, so that the upright post 21 is convenient to detach.

And S40, supporting the large plane template system 1 by using a forklift.

S50, disassembling the vertical supporting system 2: loosening the nut 214 on the post 21, extracting the pin 213, retracting the stem 212 into the lower support sleeve 211, and removing the post 21.

Optionally, the construction method further comprises a side formwork system 3;

the method also comprises the step of installing the side formwork system 3 on the large flat formwork system 1 before the step S10. This step is illustrated in example two above.

Further included after step S50 is:

s60, reducing the height of the large planar template system 1 by using a forklift; descending a hydraulic forklift and a large formwork part of the horizontal structure of the formwork, descending by 10CM, loosening and removing the bracket 31, and then continuously descending the hydraulic forklift until the large formwork system 1 on the plane can be operated by people and stopped;

step S70, disassembling the side die system 3: the operator moves up to the large flat formwork body, and removes the side formwork 321 to restore the complete large flat formwork system.

The large plane template system 1 comprises a first large template a and a second large template b, wherein the first large template a and the second large template b are connected in a foldable manner.

Before step S10, a first large template a and a second large template b of the large template system 1 on the same plane are hinged by a hinge and connected to form a whole by a pin 4.

After the step S70, a step S80 of detaching the pin 4 between the first large template a and the second large template b, folding the first large template a and the second large template b, and transferring for standby, thereby completing the detaching operation.

The preferred embodiments of the present application disclosed above are intended only to aid in the explanation of the application. The preferred embodiments are not exhaustive and do not limit the application to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a cast-in-place beam slab structure template system which characterized in that includes:

2. A cast-in-place beam and slab structural formwork system as claimed in claim 1, wherein the planar large formwork system is provided with a plurality of upper support sleeves, and the vertical support system comprises a plurality of columns, each column being detachably connected to the upper support sleeve.

3. A cast-in-place beam slab structural formwork system as claimed in claim 1, further comprising a side formwork system;

4. A cast-in-place beam and slab construction formwork system as claimed in claim 3, wherein the planar large formwork system has an inclined structure at an edge thereof, the side formwork system including a bracket and an end formwork, the bracket being detachably connected to the inclined structure, the end formwork being detachably connected to the bracket.

5. The cast-in-place beam slab structure formwork system of claim 4, wherein a first positioning pin is arranged at the edge of the large planar formwork system, the first positioning pin protrudes out of the inclined structure, and a first insertion hole is formed in the bracket;

6. The cast-in-place beam slab structure formwork system as claimed in claim 5, wherein the end formwork comprises a side formwork and a beam side formwork, the side formwork is vertically connected with the beam side formwork, a second positioning pin is connected to the beam side formwork, and a second jack is formed in the support;

7. A cast-in-place beam slab structural formwork system as claimed in claim 1, wherein the planar large formwork system comprises a first large formwork and a second large formwork, the first large formwork and the second large formwork being foldably connected.

8. A cast-in-place beam slab structure formwork system as claimed in claim 7, wherein the first large formwork is respectively provided with a first hinge seat and a first connection hole along both sides in the thickness direction, the second large formwork is respectively provided with a second hinge seat and a second connection hole along both sides in the thickness direction, the first hinge seat and the second hinge seat are hinged, and the first connection hole and the second connection hole are detachably connected through a pin shaft.

9. A method of constructing a cast-in-place beam slab structural formwork system as claimed in any one of claims 1 to 8, comprising:

s10, lifting the large flat template system to an elevation position by a forklift;

s40, supporting a large plane template system by a forklift;

and S50, disassembling the vertical supporting system.

10. The construction method according to claim 9, further comprising a side form system;

before step S10, a step of installing a side formwork system on the large flat formwork system is also included;

after step S50, the method further includes:

s60, reducing the height of the large plane template system by adopting a forklift;

and S70, disassembling the side die system.