Formwork reinforcing device for building construction shear wall interlayer joint part
By designing transverse square timber strips, double-layer drilled steel pipes, and tie rod structures at the inter-layer joints of shear walls, combined with corner fixing components and sealing strips, the problem of insufficient reinforcement at the inter-layer joints of shear walls was solved, and the stability and quality of the concrete pouring process were improved.
Patent Information
- Application Number
- CN202520536361.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Inadequate or incorrect reinforcement at the joint between upper and lower layers of shear walls can lead to misalignment and grout leakage, affecting the quality of concrete pouring.
The design incorporates horizontal square timber strips, upper and lower double-layer drilled steel pipes, tie rods, and support plates, combined with corner fixing components, sealing strips, and L-shaped clamps to improve the stability and reinforcement of the formwork.
It effectively prevents grout leakage at the bottom during the pouring process, reduces misalignment, and improves the concrete pouring quality at the joint between shear wall layers.
Smart Images
Figure CN223952229U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to shear wall interlayer reinforcing equipment technical field, more specifically, relate to a kind of construction shear wall interlayer joint position formwork reinforcing device. BACKGROUND
[0002] Shear wall is also called wind-resisting wall, anti-seismic wall or structural wall, which is the wall of building or structure that mainly bears horizontal load and vertical load (gravity) caused by wind load or earthquake, to prevent shear failure, generally divided into plane shear wall and cylinder shear wall, wherein plane shear wall is used in reinforced concrete frame structure, raised floor structure and beamless floor system.
[0003] During construction, if the joint part of upper and lower shear walls is not reinforced or the reinforcing method is wrong, it may cause misalignment or grout leakage, which is a common quality defect in construction process, and the misalignment or grout leakage needs to be treated by additional work after form removal, so it is particularly important to ensure the concrete forming quality of the joint part of upper and lower shear walls. SUMMARY
[0004] The utility model discloses a kind of construction shear wall interlayer joint position formwork reinforcing device, the reinforcing device is designed by horizontal square wood strip structure, to prevent bottom grout leakage during pouring, and simultaneously, by designing corner fixing assembly and sealing pressure strip and L-shaped clamping plate structure, the stability of form erection can be further improved, misalignment phenomenon is reduced, and the concrete pouring construction quality of the joint part of shear wall interlayer is improved.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of construction shear wall interlayer joint position formwork reinforcing device, including building wall, the building wall is spaced apart and set up with front and rear concrete pouring formwork above, the bottom of the front and rear concrete pouring formwork is bonded on the surface of building wall by double-sided adhesive tape, and the outside of front and rear concrete pouring formwork is bonded with side formwork by double-sided adhesive tape, a plurality of tensioning screw rods are spaced apart and passed through between the front and rear concrete pouring formwork, the outer end of the tensioning screw rod is fixed with upper and lower double-layer steel pipes by clamping seat and screwed inward, the steel pipe is spaced apart and filled with wooden frame back fillet between the formwork, the formwork located outside in the front and rear concrete pouring formwork and wooden frame back fillet are extended to the building wall surface downwards, wherein the formwork of extension area is passed through a plurality of embedded locking screw rods on the building wall surface, the outer end of the embedded locking screw rod is fixed with upper and lower double-layer drilled steel pipes by clamping seat and inward, the drilled steel pipe is pressed tightly and extended to the wooden frame back fillet of extension area.
[0007] As further optimization of the scheme of the application, the drilling inside of the drilling steel pipe is downwardly penetrated by a pull rod, the upper end threaded area of the pull rod is limited by a nut, and the lower end of the pull rod is fixed with a supporting plate, the supporting plate supports the upper transverse square wood strip, the upper surface middle area of the transverse square wood strip is provided with a leakage-proof groove, and the area between the transverse square wood strip and the pull rod is filled with a compression strip.
[0008] As further optimization of the scheme of the application, the two side joint areas of the steel pipe are provided with corner fixing assemblies, the corner fixing assembly comprises two symmetrical round collars and a U-shaped collar, the two symmetrical round collars are respectively sleeved on the longitudinal steel pipe and are connected by inwardly converging bolts around, the lower end of the two symmetrical round collars is welded with a concave groove, and the inner side of the concave groove is downwardly connected with the upper end faces of the two sides of the U-shaped collar through left and right symmetrical screws.
[0009] As further optimization of the scheme of the application, the vertical sealing compression strip is filled in the outer side recessed area of the joint position between the outer side formwork and the side formwork in the front and rear concrete pouring formworks, a plurality of L-shaped clamping plates are equidistantly arranged on the outer side of the sealing compression strip from top to bottom, and the two ends of the L-shaped clamping plate are respectively fixed on the surface of the formwork through pins.
[0010] As further optimization of the scheme of the application, the corner fixing assembly is used for fixing the extension area of the single steel pipe in the transverse and longitudinal directions.
[0011] Compared with the prior art, the application has the following beneficial effects:
[0012] In the utility model, the upper and lower double-layer drilling steel pipes, the pull rod, the supporting plate, the transverse square wood strip and the compression strip and other structures are designed below the template of the shear wall interlayer joint part, the template interlayer joint part can be effectively reinforced, and the problem of slurry running at the bottom during pouring is prevented;
[0013] In the utility model, the corner fixing assembly is designed and used for separately fixing the extension area of the single steel pipe in the transverse and longitudinal directions, the template can be further reinforced by combining the vertical sealing compression strip filled in the outer side recessed area of the joint position between the template and the side formwork and the plurality of L-shaped clamping plate structures, the stability of the template erection is improved, the error table phenomenon is reduced, and the concrete pouring construction quality of the shear wall interlayer joint part is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a reinforcing device installation structure schematic view of the utility model;
[0015] Figure 2 It is a transverse square wood strip connection structure schematic view of the utility model;
[0016] Figure 3This is a schematic diagram of the connection structure of the corner fixing component of this utility model;
[0017] Figure 4 This is a schematic diagram of the sealing strip connection structure of this utility model;
[0018] In the diagram: 1. Building wall; 2. Formwork; 3. Double-sided adhesive strip; 4. Timber back rib; 5. Tie rod; 6. Mounting bracket; 7. Drilled steel pipe; 8. Steel pipe; 9. Tie rod; 10. Nut; 11. Support plate; 12. Horizontal square timber strip; 13. Leak-proof groove; 14. Pressure strip; 15. Round collar; 16. Bolt rod; 17. U-shaped collar; 18. Screw; 19. L-shaped clamping plate; 20. Pin; 21. Sealing strip; 22. Embedded locking bolt. Detailed Implementation
[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.
[0020] In order to solve the problem that the joint between the upper and lower layers of the existing shear wall is not properly reinforced or the reinforcement method is incorrect, which can lead to misalignment and grout leakage in severe cases, which are common quality problems encountered in the construction process. Misalignment or grout leakage requires additional labor to deal with after the formwork is removed.
[0021] like Figure 1 As shown, this application includes a building wall 1. Front and rear concrete pouring templates 2 are spaced apart on the upper part of the building wall 1. The bottom of the front and rear concrete pouring templates 2 is bonded to the surface of the building wall 1 by double-sided adhesive strips 3, and the outer side of the front and rear concrete pouring templates 2 is bonded to the side templates by double-sided adhesive strips 3. Several tie rods 5 pass through the front and rear concrete pouring templates 2 at equal intervals. The outer ends of the tie rods 5 are all screwed inward to fix the upper and lower double-layer steel pipes 8 through the brackets 6. The steel pipes 8 and the templates 2 are filled with wooden back ribs 4. The templates 2 located on the outer side of the front and rear concrete pouring templates 2 and the wooden back ribs 4 extend downward to the building wall 1. The templates 2 in the extended area pass through several pre-embedded locking bolts 22 on the building wall 1. The outer ends of the pre-embedded locking bolts 22 are fixed inward to the upper and lower double-layer drilled steel pipes 7 through the brackets 6. The drilled steel pipes 7 press the wooden back ribs 4 inward to the extended area.
[0022] like Figure 2 As shown, a tie rod 9 is inserted into the drilled hole of the drilled steel pipe 7. The threaded area at the upper end of the tie rod 9 is limited by a nut 10 and a support plate 11 is fixed at the lower end of the tie rod 9. The support plate 11 supports the horizontal square wooden strip 12 above. A leak-proof groove 13 is opened in the middle area of the upper surface of the horizontal square wooden strip 12. A pressing strip 14 is filled in the area between the horizontal square wooden strip 12 and the tie rod 11.
[0023] like Figure 3As shown, the intersection area of the two sides of the steel pipe 8 is provided with a corner fixing assembly, the corner fixing assembly includes two symmetrical circular collars 15 and a U-shaped collar 17, the two symmetrical circular collars 15 are respectively sleeved on the longitudinal steel pipe 8 and are connected by inwardly converging bolts 16 around, the lower end of the two symmetrical circular collars 15 is welded with a concave groove, the inner side of the concave groove is connected with the upper end surface of the two sides of the U-shaped collar 17 through left and right symmetrical screws 18 downward;
[0024] As shown in Figure 4 As shown, the outer recessed area of the intersection position of the outer side of the front and rear concrete pouring formwork 2 and the side formwork is filled with a vertical sealing strip 21, a plurality of L-shaped clamping plates 19 are equidistantly arranged on the outer side of the vertical sealing strip 21 from top to bottom, and the two ends of the L-shaped clamping plate 19 are respectively fixed to the surface of the formwork 2 through the pin 20.
[0025] Specifically, according to the structure in Figure 1 , the reinforcing device of the present scheme is arranged on the periphery of the existing formwork 2, the downward connecting pull rod 9 and the supporting plate 11 are connected through the drilled steel pipe 7, the transverse square wood strip 12 structure is additionally arranged, the layer interface part of the formwork 2 is effectively reinforced, the leakage groove 13 and the pressing strip 14 are combined to prevent the problem of bottom slurry running in the pouring process; meanwhile, the corner fixing assembly of the corner area is used for separately fixing the extension area of the single steel pipe 8 in the horizontal and vertical directions, the U-shaped collar 17 clamps the lower steel pipe 8, the two symmetrical circular collars 15 limit and connect the upper steel pipe 8 and the lower steel pipe 8, the vertical sealing strip 21 filled in the outer recessed area of the intersection position of the formwork 2 and the side formwork is fixedly connected with the formwork 2 through the plurality of L-shaped clamping plates 19, the formwork 2 can be further reinforced, the stability of the formwork 2 is improved, the misalignment phenomenon is reduced, and the concrete pouring construction quality of the layer interface part of the shear wall is improved.
[0026] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A formwork reinforcement device for inter-layer shear wall sections in building construction, comprising a building wall, wherein front and rear concrete pouring formwork are spaced apart on the upper part of the building wall, the bottom of the front and rear concrete pouring formwork is bonded to the surface of the building wall by double-sided adhesive strips, and side formwork is bonded to the outer side of the front and rear concrete pouring formwork by double-sided adhesive strips; a plurality of tie rods pass through the front and rear concrete pouring formwork at equal intervals, and the outer ends of the tie rods are all screwed inwards to fix upper and lower double-layer steel pipes through clamps; the steel pipes and the formwork are interspersed with wooden backing ribs, characterized in that: The front and rear concrete pouring formworks are extended to the building wall surface downwards, wherein the formwork of the extended area passes through several embedded locking screw rods on the building wall surface, the outer end of the embedded locking screw rod is fixed with double-layered drilled steel pipes by the clamping seat, and the drilled steel pipes press the wooden back of the extended area.
2. The formwork reinforcing device for the construction shear wall interlayer joint position according to claim 1, characterized in that: The drilled steel pipes are internally drilled with pull rods, the upper end of the pull rod is limited by the nut, the lower end of the pull rod is fixed with a supporting plate, the supporting plate supports the upper transverse wooden strip, the upper surface of the transverse wooden strip is provided with a leakage-proof slot, and the area between the transverse wooden strip and the pull rod is filled with a compression strip.
3. The formwork reinforcing device for the construction shear wall interlayer joint site according to claim 2, characterized in that: The two sides of the steel pipe are provided with corner fixing assemblies, the corner fixing assembly includes two symmetrical round sleeves and a U-shaped sleeve, the two symmetrical round sleeves are respectively sleeved on the longitudinal steel pipe and are connected by the inwardly converging bolts around, the lower end of the two symmetrical round sleeves is welded with a concave groove, and the inner side of the concave groove is connected with the upper end surface of the U-shaped sleeve by the left and right symmetrical screws.
4. The formwork reinforcing device for the construction shear wall interlayer joint site according to claim 3, characterized in that: The outer side of the intersection position of the outer side formwork and the side formwork of the front and rear concrete pouring formworks is filled with a vertical sealing compression strip, the outer side of the sealing compression strip is provided with several L-shaped clamping plates at equal intervals from top to bottom, and the two ends of the L-shaped clamping plate are respectively fixed on the surface of the formwork by the pins.
5. The form tieback device of claim 4, wherein: The corner fixing assembly is used for fixing the extended area of the single steel pipe in the transverse and longitudinal directions.