Formwork structure in shear wall in narrow space

The narrow space shear wall internal formwork structure, which is designed in segments and hoisted and assembled, solves the problem of potential safety hazards in narrow space construction, improves construction efficiency and quality, and realizes a safe and efficient construction process.

CN223446606UActive Publication Date: 2025-10-17GUANGXI ROAD CONSTR GRP CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422999477.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-17
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

In the construction of three-sided shear walls in a narrow space, the existing formwork construction method requires manual operation into the narrow space, which poses a safety hazard. The limited space affects the construction quality and progress.

Method used

The narrow space shear wall internal formwork structure adopts a segmented design, including a diagonal bracing bottom piece, a middle piece and a top piece. Each formwork piece consists of two corner plates and an middle plate. The three formwork pieces are assembled in a narrow space by hoisting to avoid people entering the narrow space for construction.

Benefits of technology

This enables construction without the need for personnel to enter narrow spaces, improves construction safety and efficiency, ensures project quality, and facilitates formwork removal through the oblique connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a narrow space shear wall inner formwork structure which comprises a diagonal brace bottom piece, a diagonal brace middle piece and a diagonal brace top piece, the diagonal brace bottom piece comprises two corner plates, a middle plate and a diagonal brace, one side edges of the two corner plates are connected to form an included angle, and the other side edges of the two corner plates are connected to form a diagonal brace top piece. One end of the diagonal brace is connected with the bottom of the included angle and located on the bisector of the included angle, and the other end of the diagonal brace is connected with the bottom of the center line of the middle plate. The construction mode of the shear wall inner formwork in the narrow space is improved, the safety of operators is guaranteed, the construction efficiency is improved, and the engineering quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, and concretely relates to a narrow space shearing force wall inner formwork structure. BACKGROUND

[0002] At present, the most conventional method of formwork construction is plywood formwork, assembled large steel formwork, aluminum alloy formwork, composite plastic formwork, steel (aluminum) frame formwork, etc., but the conventional method is used for the construction of the smoke shaft formwork in the narrow space of the three-side shearing force wall, and manual operation is needed in the narrow space.

[0003] However, for the narrow space, the operation space is narrow, the material stacking space is limited, the personnel operation space is limited, the space is narrow, and the personnel vertical material handling in the space has great safety hazards, the construction quality cannot be guaranteed, and the construction progress is affected.

[0004] The information disclosed in the above background section is merely intended to increase the understanding of the overall background of the utility model and should not be regarded as acknowledging or implicitly suggesting that the information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] In view of the above-mentioned defects, the utility model aims to provide a narrow space shearing force wall inner formwork structure, which improves the construction method of the narrow space shearing force wall inner formwork, guarantees the safety of the operator, improves the construction efficiency, and guarantees the engineering quality.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a narrow space shear wall inner formwork structure, including diagonal bracing bottom sheet, diagonal bracing middle sheet and diagonal bracing top sheet, the diagonal bracing bottom sheet includes two angle plates, an intermediate plate and a diagonal bracing, and the side edge of two angle plates is connected and forms an included angle, and one end of the diagonal bracing is connected the bottom of included angle and is located on the included angle bisector, and the other end of the diagonal bracing is connected the bottom of the middle line of intermediate plate, the diagonal bracing middle sheet includes two angle blocks, an intermediate plate and a diagonal bracing, and the side edge of two angle blocks is connected and forms an included angle, and one end of the diagonal bracing is connected the middle of included angle and is located on the included angle bisector, and the other end of the diagonal bracing is connected the middle of the middle line of intermediate plate, the diagonal bracing top sheet includes two angle blocks, an intermediate plate and a diagonal bracing, and the side edge of two angle blocks is connected and forms an included angle, and one end of the diagonal bracing is connected the top of included angle and is located on the included angle bisector, and the other end of the diagonal bracing is connected the top of the middle line of intermediate plate, when the diagonal bracing middle sheet is placed above the diagonal bracing bottom sheet, the intermediate plate of the diagonal bracing middle sheet is abutted with one angle plate of the diagonal bracing bottom sheet and is in the same plane, and when the diagonal bracing top sheet is placed above the diagonal bracing middle sheet, the intermediate plate of the diagonal bracing top sheet is abutted with one angle plate of the diagonal bracing middle sheet and one angle plate of the diagonal bracing bottom sheet respectively, and the two angle blocks of the diagonal bracing top sheet are abutted with the intermediate plate of the diagonal bracing middle sheet and the intermediate plate of the diagonal bracing bottom sheet respectively, and all angle blocks and intermediate plates enclose a triangle.

[0008] Further, the utility model also includes a cross bracing arranged between the two angle blocks.

[0009] Further, the utility model also includes three cross bracings arranged between the two angle blocks.

[0010] Further, the utility model also includes an inclined triangular bracing, the upper end of which is connected to the lower part of the intermediate plate, and the other end is abutted with the horizontal plane.

[0011] Further, the utility model also includes a lifting ring arranged at the top of the side edge where the two angle blocks intersect.

[0012] Further, the utility model also includes an inclined opening at the joint of the angle block and the intermediate plate, which facilitates formwork removal.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a narrow space shear wall inner formwork is divided into three formwork systems assembled, and each piece has two angle plates, an intermediate plate and a diagonal brace respectively, the diagonal brace height of three formwork systems is different, the lowest piece of diagonal brace is constructed first, the middle piece of diagonal brace is constructed, and the uppermost piece of diagonal brace is constructed finally. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a narrow space shear wall right triangle inner formwork three-dimensional structure diagram for the utility model embodiment;

[0016] Figure 2 It is a narrow space shear wall right triangle inner formboard plan view for the utility model embodiment;

[0017] Figure 3 It is a narrow space shear wall acute triangle inner formboard plan view for the utility model embodiment;

[0018] Figure 4 It is a narrow space shear wall acute triangle inner formboard explosion drawing for the utility model embodiment;

[0019] Figure 5 It is a diagonal brace bottom piece structure explosion drawing for the utility model embodiment;

[0020] Figure 6 It is a diagonal brace middle piece structure explosion drawing for the utility model embodiment;

[0021] Figure 7 It is a diagonal brace top piece structure explosion drawing for the utility model embodiment;

[0022] Figure 8 It is three face shear wall structure diagram for the utility model embodiment.

[0023] In the drawing, 1 is angle plate, 2 is intermediate plate, 3 is diagonal brace, 4 is angle plate root horizontal support, 5 is angle plate middle horizontal support, 6 is angle plate upper horizontal support, 7 is intermediate plate inclined triangle support, 8 is hoisting ring, 9 is three face shear wall, 10 is inner formwork. DETAILED DESCRIPTION

[0024] To describe the technical contents, purposes and effects of the present application in detail, the following will be described in combination with embodiments and the accompanying drawings. In the description of the embodiments, it should be understood that the terms indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the embodiments and simplifying the description, and therefore cannot be understood as a limitation on the present application.

[0025] As shown in Figures 1-4 , a narrow space shear wall inner formwork structure is suitable for a three-side shear wall 9 structure as shown in Figure 8 , which comprises a diagonal bracing bottom sheet, a diagonal bracing middle sheet and a diagonal bracing top sheet, the diagonal bracing bottom sheet, as shown in Figure 5 , comprises two corner plates 1, a middle plate 2 and a diagonal bracing 3, one side edge of the two corner plates 1 is connected and forms an included angle, one end of the diagonal bracing 3 is connected to the bottom of the included angle and is located on the included angle bisector, and the other end of the diagonal bracing 3 is connected to the middle line bottom of the middle plate 2; the diagonal bracing middle sheet, as shown in Figure 6 , comprises two corner blocks 1, a middle plate 2 and a diagonal bracing 3, one side edge of the two corner blocks 1 is connected and forms an included angle, one end of the diagonal bracing 3 is connected to the middle of the included angle and is located on the included angle bisector, and the other end of the diagonal bracing 3 is connected to the middle line middle of the middle plate 2; the diagonal bracing top sheet, as shown in Figure 7 , comprises two corner blocks 1, a middle plate 2 and a diagonal bracing 3, one side edge of the two corner blocks 1 is connected and forms an included angle, one end of the diagonal bracing 3 is connected to the top of the included angle and is located on the included angle bisector, and the other end of the diagonal bracing 3 is connected to the middle line top of the middle plate 2; when the diagonal bracing middle sheet is placed above the diagonal bracing bottom sheet, the middle plate 2 of the diagonal bracing middle sheet abuts against one corner plate 1 of the diagonal bracing bottom sheet and is on the same plane, and when the diagonal bracing top sheet is placed above the diagonal bracing middle sheet, the middle plate 2 of the diagonal bracing top sheet abuts against one corner plate 1 of the diagonal bracing middle sheet and one corner plate 1 of the diagonal bracing bottom sheet, respectively, and the two corner plates 1 of the diagonal bracing top sheet abut against the middle plate 2 of the diagonal bracing middle sheet and the middle plate 2 of the diagonal bracing bottom sheet, respectively, and all the corner plates 1 and the middle plates 2 enclose a triangle.

[0026] The triangle can be an acute triangle, as shown in Figures 3-4 , can be a right triangle, as shown in Figures 1-2 , or an obtuse triangle, which is adapted to the shape of the triangle enclosed by the three-side shear wall. In the present embodiment, the triangle is a right triangle, as shown in Figures 1-2 , which is adapted to the three-side shear wall structure as shown in Figure 8 .

[0027] As shown in Figures 1-4As shown, as a preferred embodiment of the above, it further comprises a cross brace arranged between two corner plates. For enhancing the formwork rigidity.

[0028] As shown, as a preferred embodiment of the above, it further comprises a cross brace arranged between two corner plates. For enhancing the formwork rigidity. Figures 1-4 As shown, as a preferred embodiment of the above, the number of cross braces is three, arranged at the lower, middle and upper part between two corner plates. Respectively, corner plate root cross brace 4, corner plate middle cross brace 5 and corner plate upper cross brace 6, for preventing bottom concrete leakage and enhancing formwork rigidity.

[0029] As shown, as a preferred embodiment of the above, it further comprises a middle plate inclined triangle brace 7, the upper end of which is connected to the lower part of the middle plate, and the other end is in abutment with the horizontal plane. For preventing bottom concrete leakage. Figures 1-4 As shown, as a preferred embodiment of the above, it further comprises a lifting ring 8 arranged at the top of the intersecting side edge of two corner plates 1. For facilitating hoisting construction.

[0030] Figures 1-4 As a preferred embodiment of the above, the corner plate and middle plate connection adopts an inclined open type, facilitating formwork removal.

[0031] A narrow space shear wall inner formwork structure construction method, the narrow space three-side shear wall 9 structure as shown in the figure, comprising the following steps:

[0032] A narrow space shear wall inner formwork structure construction method, the narrow space three-side shear wall 9 structure as shown in the figure, comprising the following steps: Figure 8

[0033] Step one, prefabricate the diagonal brace bottom sheet, diagonal brace middle sheet and diagonal brace top sheet, each sheet of formwork comprising two corner plates 1, a middle plate 2 and a diagonal brace 3, one side edge of the two corner plates 1 is connected and forms an included angle, one end of the diagonal brace 3 is connected to the corner plate 1 connection and is located on the angle bisector of the included angle, the other end of the diagonal brace 3 is connected to the middle part of the middle plate 2; three diagonal braces 3 are arranged at the bottom, middle and top respectively;

[0034] Step two, apply release agent to each sheet of formwork, apply release agent to the corner plate and middle plate of each sheet of formwork;

[0035] Step three, perform three-side shear wall steel bar binding;

[0036] ​​Step four, first hoist the diagonal bracing bottom piece template to the three shear walls in the designated position, then hoist the diagonal bracing middle piece, make the middle plate 2 of the diagonal bracing middle piece abut with one corner plate 1 of the diagonal bracing bottom piece and in the same plane, make the middle plate 2 of the diagonal bracing bottom piece abut with one corner plate 1 of the diagonal bracing middle piece and in the same plane, finally hoist the diagonal bracing top piece, make the middle plate 2 of the diagonal bracing top piece abut with one corner plate 1 of the diagonal bracing middle piece and one corner plate 1 of the diagonal bracing bottom piece respectively, and make the two corner plates 1 of the diagonal bracing top piece abut with the middle plate 2 of the diagonal bracing middle piece and the middle plate 2 of the diagonal bracing bottom piece respectively, all the corner plates 1 and the middle plates 2 form a triangle, that is, form the inner template 10, as shown in Figs. Figures 1-2

[0037] Step five, concrete pouring of the three shear walls is carried out.

[0038] Step six, the template is dismantled in pieces, the template is pried respectively, and the diagonal bracing top piece, the diagonal bracing middle piece and the diagonal bracing bottom piece are hoisted from the shear wall in sequence.

[0039] The narrow space shear wall inner template is divided into three template systems and assembled, each piece has two corner plates, one middle plate and one diagonal bracing, the heights of the diagonal bracings of the three template systems are different, the lowest piece of the diagonal bracing is constructed first, then the middle piece of the diagonal bracing is constructed, and finally the uppermost piece of the diagonal bracing is constructed.

[0040] Although the utility model has been described in detail above with specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.​

Claims

1. A narrow space shear wall internal formwork structure, characterized by: The diagonal brace comprises a bottom piece, an intermediate piece and a top piece, wherein the bottom piece comprises two corner panels, an intermediate panel and a diagonal brace, one side of the two corner panels are connected to form an angle, one end of the diagonal brace is connected to the bottom of the angle and is located on the angle bisector, and the other end of the diagonal brace is connected to the bottom of the center line of the intermediate panel; the intermediate piece comprises two corner blocks, an intermediate panel and a diagonal brace, one side of the two corner panels are connected to form an angle, one end of the diagonal brace is connected to the middle of the angle and is located on the angle bisector, and the other end of the diagonal brace is connected to the middle of the center line of the intermediate panel; the top piece comprises two corner blocks, an intermediate panel and a diagonal brace, , one side edge of the two angle plates is connected to form an angle, one end of the diagonal brace is connected to the top of the angle and is located on the bisector of the angle, and the other end of the diagonal brace is connected to the top of the center line of the middle plate; when the middle piece of the diagonal brace is placed on top of the bottom piece of the diagonal brace, the middle plate of the middle piece of the diagonal brace is in contact with a angle plate of the bottom piece of the diagonal brace and are on the same plane, and when the top piece of the diagonal brace is placed on top of the middle piece of the diagonal brace, the middle plate of the top piece of the diagonal brace is respectively in contact with a angle plate of the middle piece of the diagonal brace and a angle plate of the bottom piece, and the two angle plates of the top piece of the diagonal brace are respectively in contact with the middle plate of the middle piece of the diagonal brace and the middle plate of the bottom piece, and all the angle plates and middle plates form a triangle.

2. The narrow space shear wall internal formwork structure according to claim 1 is characterized by: Also included is a cross brace, which is arranged between the two corner panels.

3. The narrow space shear wall internal formwork structure according to claim 2 is characterized by: There are three cross braces, which are distributed at the lower part, the middle part and the upper part between the two angle plates.

4. The narrow space shear wall internal formwork structure according to claim 1 is characterized by: The utility model further comprises a lifting ring, which is arranged at the top of the intersecting sides of the two angle plates.

5. The narrow space shear wall internal formwork structure according to claim 1 is characterized by: It also includes an oblique triangular support, the upper end of which is connected to the lower part of the middle plate, and the other end of which is in contact with the horizontal plane.

6. The narrow space shear wall internal formwork structure according to claim 1 is characterized by: The joints between the angle plate and the middle plate are opened at an angle.