CN212957182U - Assembled anti-cracking and disassembly-free template, floor bearing plate and cast-in-place construction and disassembly-free floor - Google Patents

Assembled anti-cracking and disassembly-free template, floor bearing plate and cast-in-place construction and disassembly-free floor Download PDF

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Publication number
CN212957182U
CN212957182U CN202021715042.0U CN202021715042U CN212957182U CN 212957182 U CN212957182 U CN 212957182U CN 202021715042 U CN202021715042 U CN 202021715042U CN 212957182 U CN212957182 U CN 212957182U
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template
free
disassembly
steel
floor
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张东
张新鹏
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Tianjin Jingsheng New Building Materials Co Ltd
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Tianjin Jingsheng New Building Materials Co Ltd
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Abstract

The utility model discloses an assembled anti-cracking disassembly-free template; the template comprises a template body, wherein at least one edge and/or one corner of four edges of the template body is provided with a lifting lock catch groove; and the lower edge of the lifting locking groove on the same side surface of the template body is provided with an inclined lifting supporting surface, and the lifting locking groove forms a structure with a narrow upper part and a wide lower part. The utility model also discloses a prefabricated disassembly-free floor support plate; the disassembly-free floor support plate is formed by splicing a plurality of disassembly-free template units, and the upper surface of the disassembly-free template is paved with a profile steel member; the utility model also discloses a cast-in-place construction form-removal-free floor slab, which comprises a prefabricated form-removal-free floor bearing plate, structural ribs and/or steel bar trusses, wherein concrete is densely filled in an integral steel structure formed above the prefabricated form-removal-free floor slab, and a concrete floor slab structure body is formed after the concrete is solidified; and forming the lifting tenon after the concrete is densely filled in the adjacent lifting lock catch groove and solidified. The utility model provides an exempt from to tear open template piece fracture problem improves exempt from to tear open template fastness, safe and reliable.

Description

Assembled anti-cracking and disassembly-free template, floor bearing plate and cast-in-place construction and disassembly-free floor
Technical Field
The utility model belongs to the technical field of the assembly type structure, especially, relate to an assembled is prevented ftractureing and is exempted from form removal floor is exempted from to tear open template, building carrier plate and cast-in-place building.
Background
At present, floor panels of buildings mainly have two forms, one is a precast slab, and the other is a cast-in-place concrete floor. The prefabricated slab floor slab is installed in the modes of ground prefabrication forming and field hoisting, and has the advantages of high construction speed and low cost. However, the existing precast slab floor slab is lack of effective connection with the wall body, and is easy to loosen and fall off when encountering natural disasters such as earthquakes and the like, thereby causing property loss and even casualties. In addition, after the assembly of the existing precast slab floor slabs is finished, certain gaps exist among the floor slabs, and ceiling cracks are generated due to improper treatment, so that the appearance is not only influenced, but also water leakage and other phenomena can be generated.
The cast-in-place concrete floor slab overcomes some defects of the precast slab floor slab, and can greatly improve the shock resistance of the building. However, the construction of the cast-in-place concrete floor requires a series of operations such as erecting a support frame on site, laying a formwork on the support frame, laying reinforcing steel bars in the formwork, and then pouring concrete. In the traditional floor construction engineering, the wood template is adopted for floor construction, and the defects of resource waste, large form removal loss, large quantity of floor support tools, high construction cost and the like exist. In order to overcome the defect of floor construction by using a wood template, the cast-in-place precast concrete composite slab is provided, but the existing cast-in-place precast concrete composite slab has the disadvantages of heavy weight, low factory processing speed, complex transportation and hoisting construction and high bearing requirement of a floor supporting tool.
With the development of the technology, the prior art discloses a prefabricated disassembly-free floor composite slab; the C-shaped steel is fixed with the cement fiber pressure plate through a drill tail tapping screw, and a steel bar net is bound or welded on the C-shaped steel support frame.
The disassembly-free floor laminated slab can be prefabricated in a factory or can be installed on site; compared with the traditional wood formwork, the formwork removal construction is reduced; compared with the traditional floor bottom die support, the disassembly-free floor composite slab has high rigidity and good integrity, and the support tools can be reduced; compared with a concrete prefabricated laminated slab, the disassembly-free floor laminated slab has the advantages of light dead weight and high cast-in-place construction quality. In addition, the prior art discloses a light steel grid concrete composite slab, including cement fiberboard floor die block and light steel grid skeleton, light steel grid skeleton comprises a plurality of steel bar trusses or light steel joists along floor longitudinal extension, every steel bar truss or light steel joists through fixing the connecting plate in its bottom with cement fiberboard floor die solid coupling cement fiberboard floor die block with concrete entity has been pour on the light steel grid skeleton, the concrete entity cement fiberboard floor die block with the light steel grid skeleton is superimposed and is become whole, forms the composite slab of whole atress. The utility model discloses a cement fiberboard is as the die block of concreting, and the impression and with the associativity of decorating and finishing material all be superior to galvanized steel sheet, be convenient for decorate and fitment, needn't demolish. Meanwhile, the cement fiberboard is easy to obtain and lower in manufacturing cost.
However, during actual assembly construction, the phenomenon of cracking and delamination occurs at the abutted seams between the adjacent cement fiber pressure plates; according to the reason that cracking occurs in practical analysis, the method is mainly caused by the following reasons that firstly, the pre-tightening force of tapping screws used for fixing the cement fiber pressure plate and the C-shaped steel support frame is not enough, and the C-shaped steel support frame is unevenly arranged in a one-way mode and stressed, so that the cement fiber pressure plate is warped and deformed; the reason for loosening the automatic screw is generally that the initial pretightening force is not enough, and the reasons are transportation, pouring, vibration and the like; once the cement fiber pressure plate is subjected to buckling deformation, the joint cracks, and if the deformation is large, the cement fiber pressure plate is delaminated from the concrete; secondly, the cement fiber pressure fiber board is mainly influenced by gravity in the whole construction process, the cement fiber pressure board is fixed with the C-shaped steel support frame by self-tapping screws before concrete is poured, after the concrete is poured, the concrete mainly bears the pressure of the concrete and the vibrating force in the poured concrete before the concrete is solidified, after the concrete is solidified, the stress of the whole floor board is stressed by a steel bar truss concrete structure, and the firmness of the cement fiber pressure fiber board is mainly ensured by the self-tapping screws and the concrete bonding force; because the cement fiber pressure fiber plate and the concrete are delaminated, the potential safety hazard that the whole cement fiber pressure plate falls off exists; in addition, most of the self-tapping screws adopted in the prior art are subjected to simple anti-rust treatment, and theoretically analysis shows that the self-tapping screws cannot be corroded when the floor slab is in a dry environment; but in fact the self-tapping screw is rusted; because the non-dismantling template has the same service life as the floor slab structure body, when the self-tapping screw which mainly overcomes the gravity of the template loses the hanging force, the risk that the cement fiber pressure fiberboard is large in area or the whole layer falls off can exist.
Therefore, the utility model provides a solve the piece fracture, improve the assembled of exempting from to tear open template fastness, safe and reliable and prevent the fracture and exempt from to tear open template, building carrier plate and cast-in-place build and exempt from to tear open the form floor.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a solve the piece fracture, improve exempt from to tear open template fastness, safe and reliable's assembled prevent that the fracture exempts from to tear open template, building carrier plate and cast-in-place build exempt from to tear open the form floor.
The utility model is realized in such a way that the assembled anti-cracking disassembly-free template; the template comprises a template body and is characterized in that at least one edge and/or one corner of four edges of the template body is provided with a lifting lock catch groove; and the lower edge of the lifting locking groove on the same side surface of the template body is provided with an inclined lifting supporting surface, and the lifting locking groove forms a structure with a narrow upper part and a wide lower part.
The lifting lock catch groove is rectangular, trapezoidal or dovetail.
The surface of the formwork body on the opposite side of the lifting support surface is provided with a groove.
And a steel mesh is pre-embedded in the non-dismantling formwork.
The utility model discloses a prefabricated disassembly-free floor support plate; exempt from to tear open building carrier plate and exempt from to tear open template unit concatenation by several pieces and form, it is including exempting from to tear open template and shaped steel component to exempt from to tear open template unit, its characterized in that: the disassembly-free template adopts the disassembly-free template, and the lifting lock catch grooves of adjacent disassembly-free templates are correspondingly arranged to form a grouting channel; the upper surface of the non-dismantling formwork is paved with a section steel member, and the section steel member is fixedly connected with the formwork body by adopting a stainless steel self-tapping screw.
The steel member is a C-shaped steel member, the C-shaped steel member is paved on the upper surface of the non-dismantling template along the transverse direction or the longitudinal direction of the non-dismantling template, and the C-shaped steel member is fixedly connected with the non-dismantling template through self-tapping screws.
The profile steel member is a profile steel mould frame, and one side surface of the profile steel mould frame is a datum plane; and on the side of the reference plane, the section steel mould frame is fixedly connected with the non-dismantling template through self-tapping screws.
Structural bars and/or steel bar trusses are welded or bound on the section steel members.
The utility model discloses a cast-in-place mould removal floor of exempting from of building, including prefabricated building carrier plate, structure muscle and/or steel bar truss of exempting from to tear open, its characterized in that: the prefabricated disassembly-free floor support plate is adopted, concrete is densely filled in an integral steel structure formed above the prefabricated disassembly-free floor plate, and a concrete floor slab structural body is formed after the concrete is solidified; concrete is densely filled in the adjacent non-dismantling formwork grouting channel, and after solidification, a lifting tenon integrated with the concrete floor structure body is formed.
The lifting lock catch groove is prefabricated with a suspension hanger, the upper portion of the suspension hanger is lapped on the profile steel members of two adjacent non-dismantling template units, and the lower portion of the suspension hanger is embedded in a grouting channel formed after the adjacent non-dismantling templates are spliced.
The utility model has the advantages and technological effect: by adopting the technical scheme, the problem of crack of the spliced seam of the non-dismantling template is solved, and the firmness, safety and reliability of the non-dismantling template are improved; closely knit the filling concrete and form the tenon of drawing with concrete floor structure body an organic whole after solidifying in adjacent exempting from to tear open template grout passageway, carry and draw tenon and floor structure body life-span, when mainly having solved the self tapping screw of exempting from to tear open template gravity and having lost the cable suspension power, have cement fibre pressure fibreboard large tracts of land or whole layer risk that drops. The lifting tenon actually plays a role in lifting the non-dismantling template in the vertical direction, so that the non-dismantling template is prevented from delaminating and falling off, and two adjacent non-dismantling templates are tensioned in the transverse pulling, so that the transverse deformation is prevented from cracking; when the pre-tightening force of the self-tapping screw is insufficient or the hanging force is lost, the secondary anti-falling function is achieved; meanwhile, the uniform stress of the disassembly-free template in the horizontal direction can be ensured, and the problem of warping deformation of the cement fiber pressure plate in the later period is prevented; the problem of delaminating between the non-dismantling formwork and the concrete is solved.
Drawings
FIG. 1 is a schematic view of the structure of the non-dismantling formwork of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a rectangular structure of the lifting latch groove;
FIG. 4 is a schematic view of a ladder-shaped structure of a lifting latch groove;
FIG. 5 is a schematic view of a dovetail-shaped structure of the lifting latch groove;
FIG. 6 is a schematic view of a template body with grooves on the surface;
FIG. 7 is a schematic view of the steel mesh structure provided in the formwork body;
FIG. 8 is a schematic structural view of a detachment-free template unit;
FIG. 9 is a schematic view of a floor deck constructed by splicing the non-dismantling formwork units shown in FIG. 8;
FIG. 10a is a schematic structural view of a disassembly-free form unit of the strip steel form frame;
FIG. 10b is a schematic diagram of a demolition-free template unit with grooves;
FIG. 11 is a schematic view of a floor deck constructed by splicing the non-dismantling formwork units shown in FIG. 10 b;
FIG. 12 is a schematic structural view of a cast-in-place form-removal-free floor slab;
FIG. 13 is a view taken along line K of FIG. 12;
fig. 14 is a schematic view of a position structure of the suspension hanger.
In the figure, 1, a template body; 1-1, lifting the lock catch groove; 1-2, obliquely lifting a supporting surface; 1-3, a groove; 1-4, steel mesh; 20. the floor support plate is not required to be disassembled; 21. a disassembly-free template unit; 22. a profiled steel member; 23. grouting a channel; 3. self-tapping screws; 4. a structural rib; 5. a steel bar truss; 6. a concrete floor structure; 7. hanging a hanger;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, an assembled anti-cracking and non-dismantling template; the template comprises a template body 1, wherein at least one edge and/or one corner edge of four edges of the template body is provided with a lifting lock catch groove 1-1; the positions, the sizes and the number of the lifting lock catch grooves are set according to the specification of the template body and the actual building requirement; but the width of the lifting lock catch groove is not less than the grain size of stones in the selected concrete; the lower edge of the lifting lock catch groove on the same side of the template body is provided with an inclined lifting support surface 1-2, the lifting lock catch groove forms a structure with a narrow top and a wide bottom, concrete slurry flows in from a narrow opening on the upper part during actual grouting, and a lifting tenon integrated with the upper concrete is formed after the slurry is solidified.
The cross section of the lifting lock catch groove is rectangular (as shown in figure 3), trapezoidal (as shown in figure 4) or dovetail-shaped (as shown in figure 5).
Grooves 1-3 are formed in the surface of the formwork body on the opposite side of the lifting support surface, the grooves are designed to enlarge the contact area with the upper concrete layer, and the bonding force between the non-dismantling formwork and concrete is improved, please refer to fig. 6.
Steel nets 1-4 are embedded in the non-dismantling formwork, so that the strength of the non-dismantling formwork in mechanical properties such as tensile strength, bending strength and the like is improved, and the requirements of different buildings are met, please refer to fig. 7.
The non-dismantling formwork can be used in an assembled building body, the utility model relates to a non-dismantling floor support plate 20 prefabricated by the non-dismantling formwork, as shown in fig. 8 and 9; the disassembly-free floor bearing plate is formed by splicing a plurality of disassembly-free template units 21, each disassembly-free template unit comprises a disassembly-free template and a profile steel member 22, each disassembly-free template adopts the disassembly-free template, lifting locking grooves of adjacent disassembly-free templates are correspondingly arranged to form grouting channels 23, plate splicing is carried out according to an actual building house type figure, if the specification of the disassembly-free template is selected, the lifting locking grooves are arranged on the periphery, plate splicing can be carried out along the peripheral direction during plate splicing, and a mode that the lifting locking grooves are arranged on the symmetrical edges to carry out transverse plate splicing can be selected, the plate splicing mode depends on the house type figure and the specification of the disassembly-free template, and the disassembly-free template can be produced in a production area mode, so the disassembly-free template can be customized according to actual needs; exempt from to tear open the upper surface of template and laid the shaped steel component, the shaped steel component adopts self tapping screw 3 and template body fixed connection, on selecting the material the utility model discloses a self tapping screw of stainless steel improves self tapping screw's life.
In this embodiment, the section steel member is a C-shaped section steel member, the C-shaped section steel member is laid on the upper surface of the detachment-free formwork in the transverse direction or the longitudinal direction of the detachment-free formwork, and the C-shaped section steel member is fixedly connected with the detachment-free formwork through a self-tapping screw. Structural ribs 4 are welded or bound on the C-shaped steel component.
The utility model relates to a non-dismantling floor support plate prefabricated by the non-dismantling formwork, as shown in figure 10a, figure 10b and figure 11; the disassembly-free floor bearing plate is formed by splicing a plurality of disassembly-free template units, each disassembly-free template unit comprises a disassembly-free template and a profile steel member, the disassembly-free template adopts the disassembly-free template, and the lifting locking grooves of the adjacent disassembly-free templates are correspondingly arranged to form a grouting channel; the upper surface of the non-dismantling template is paved with a section steel member, and the section steel member is fixedly connected with the template body by adopting a stainless steel self-tapping screw; the profile steel member is a profile steel mould frame, and one side surface of the profile steel mould frame is a datum plane; on the side of the reference plane, the section steel mould frame is fixedly connected with a non-dismantling template through self-tapping screws; the welding has steel bar truss 5 on the shaped steel framed, and the makeup orientation of this embodiment is horizontal makeup, and steel bar truss overlap joint is on the roof beam.
The utility model discloses a cast-in-situ building form-removal-free floor, please refer to fig. 12 and 13; the prefabricated disassembly-free floor slab comprises a prefabricated disassembly-free floor bearing plate, structural ribs 4 and/or a steel bar truss 5, wherein the prefabricated disassembly-free floor bearing plate is adopted, concrete is densely filled in an integral steel structure formed above the prefabricated disassembly-free floor slab, and a concrete floor slab structural body 6 is formed after the concrete is solidified; during actual construction, the splicing seams of the non-dismantling template are supported by square timbers, and the width of each square timbers is more than twice that of the lifting locking groove; thus, the lifting tenon 6-1 integrated with the concrete floor structure body is formed after the concrete is densely filled in the adjacent non-dismantling formwork grouting channel and solidified.
Referring to fig. 14, the lifting locking groove is prefabricated with a suspension hanger 7, the upper portion of the suspension hanger is lapped on the profile steel members of two adjacent non-dismantling formwork units, the lower portion of the suspension hanger is embedded in the adjacent non-dismantling formwork units to form a grouting channel, and the suspension hanger is a stainless steel hanger, please refer to fig. 13.
By adopting the technical scheme, the problem of crack of the spliced seam of the non-dismantling template is solved, and the firmness, safety and reliability of the non-dismantling template are improved; closely knit the filling concrete and form the tenon of drawing with concrete floor structure body an organic whole after solidifying in adjacent exempting from to tear open template grout passageway, carry and draw tenon and floor structure body life-span, when mainly having solved the self tapping screw of exempting from to tear open template gravity and having lost the cable suspension power, have cement fibre pressure fibreboard large tracts of land or whole layer risk that drops. The lifting tenon actually plays a role in lifting the non-dismantling template in the vertical direction, so that the non-dismantling template is prevented from delaminating and falling off, and two adjacent non-dismantling templates are tensioned in the transverse pulling, so that the transverse deformation is prevented from cracking; when the pre-tightening force of the self-tapping screw is insufficient or the hanging force is lost, the secondary anti-falling function is achieved; meanwhile, the uniform stress of the disassembly-free template in the horizontal direction can be ensured, and the problem of warping deformation of the cement fiber pressure plate in the later period is prevented; the problem of delaminating between the non-dismantling formwork and the concrete is solved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention, such as the size, notch formation, and the manner of the jointed board, should be included within the scope of the present invention.

Claims (10)

1. The assembled anti-cracking disassembly-free template comprises a template body and is characterized in that at least one edge and/or one corner of four edges of the template body is/are provided with a lifting lock catch groove; and the lower edge of the lifting locking groove on the same side surface of the template body is provided with an inclined lifting supporting surface, and the lifting locking groove forms a structure with a narrow upper part and a wide lower part.
2. The fabricated crack-resistant removal-free form of claim 1, wherein: the lifting lock catch groove is rectangular or dovetail-shaped.
3. The fabricated crack-resistant removal-free form of claim 1, wherein: the surface of the formwork body on the opposite side of the lifting support surface is provided with a groove.
4. The fabricated crack-resistant removal-free form of claim 1, wherein: and a steel mesh is pre-embedded in the non-dismantling formwork.
5. The utility model provides a prefabricated exempt from to tear open building carrier plate, exempt from to tear open building carrier plate and exempt from to tear open template unit concatenation by several and form, it includes exempt from to tear open template and shaped steel component to exempt from to tear open template unit, its characterized in that: the disassembly-free template adopts the disassembly-free template as claimed in claim 1, and the lifting locking grooves of adjacent disassembly-free templates are correspondingly arranged to form a grouting channel; the upper surface of the non-dismantling formwork is paved with a section steel member, and the section steel member is fixedly connected with the formwork body by adopting a stainless steel self-tapping screw.
6. The precast disassembly-free floor deck according to claim 5, wherein; the steel member is a C-shaped steel member, the C-shaped steel member is paved on the upper surface of the non-dismantling template along the transverse direction or the longitudinal direction of the non-dismantling template, and the C-shaped steel member is fixedly connected with the non-dismantling template through self-tapping screws.
7. The precast disassembly-free floor deck according to claim 5, wherein: the profile steel member is a profile steel mould frame, and one side surface of the profile steel mould frame is a datum plane; and on the side of the reference plane, the section steel mould frame is fixedly connected with the non-dismantling template through self-tapping screws.
8. The precast disassembly-free floor deck according to any one of claims 5 to 7, wherein: structural bars and/or steel bar trusses are welded or bound on the section steel members.
9. The utility model provides a cast-in-place is built and is exempted from to tear open form floor, includes that prefabricated exempt from to tear open building carrier plate, structure muscle and/or steel bar truss, its characterized in that: the prefabricated disassembly-free floor support plate adopts the prefabricated disassembly-free floor support plate according to claim 8, concrete is densely filled in an integral steel structure formed above the prefabricated disassembly-free floor plate, and a concrete floor slab structure body is formed after the concrete is solidified; concrete is densely filled in the adjacent non-dismantling formwork grouting channel, and after solidification, a lifting tenon integrated with the concrete floor structure body is formed.
10. The cast-in-place form-removal-free floor slab of claim 9, characterized in that: the lifting lock catch groove is prefabricated with a suspension hanger, the upper portion of the suspension hanger is lapped on the profile steel members of two adjacent non-dismantling template units, and the lower portion of the suspension hanger is embedded in a grouting channel formed after the adjacent non-dismantling templates are spliced.
CN202021715042.0U 2020-08-17 2020-08-17 Assembled anti-cracking and disassembly-free template, floor bearing plate and cast-in-place construction and disassembly-free floor Active CN212957182U (en)

Priority Applications (1)

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CN202021715042.0U CN212957182U (en) 2020-08-17 2020-08-17 Assembled anti-cracking and disassembly-free template, floor bearing plate and cast-in-place construction and disassembly-free floor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021715042.0U CN212957182U (en) 2020-08-17 2020-08-17 Assembled anti-cracking and disassembly-free template, floor bearing plate and cast-in-place construction and disassembly-free floor

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Publication Number Publication Date
CN212957182U true CN212957182U (en) 2021-04-13

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