Gypsum batten for spray-up composite wall

By using a mortise and tenon structure combining gypsum columns and fiberglass mesh, the problems of corrosion of light steel keel and the production of reinforcing bars in spray-cast composite walls are solved, achieving a composite wall with low cost, high stability and seismic performance.

CN117286962BActive Publication Date: 2025-11-28SHANGHAI KENAI NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202310775721.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-28
Publication Date
2025-11-28
Estimated Expiration
2043-06-28

AI Technical Summary

Technical Problem

Existing spray-cast composite walls suffer from problems such as easy corrosion of light steel keel, difficulty in making guide bars, and high wall cost.

Method used

The wall is constructed by combining gypsum columns with fiberglass mesh and connecting them with mortise and tenon joints to form a seamless composite wall. The gypsum keel columns replace the light steel keel, the fiberglass mesh replaces the steel mesh, and the gypsum mortar is sprayed to form the integral wall.

Benefits of technology

The problem of corrosion of light steel keel was solved, material costs were reduced, the production of reinforcement bars was simplified, the stability and seismic performance of the wall were improved, and construction costs were reduced.

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Abstract

The invention relates to a gypsum keel for spraying composite wall. The gypsum keel in the shape of a vertical column is wrapped by at least one layer of glass fiber mesh cloth and is arranged in a composite wall formed by spraying gypsum mortar on the inner and outer surfaces of the composite wall. The protrusions and recesses and the reserved holes on the body of the gypsum keel are of the same material as the body of the gypsum keel. The gypsum vertical columns in each group are connected in the form of mortise and tenon structure to form the vertical column support body of the composite wall. The glass fiber mesh cloth is installed in the net sandwich seam on one side or both sides of the vertical column support body and forms the reinforcing layer of the composite wall. The gypsum mortar is sprayed on the glass fiber mesh cloth and wraps and covers the gypsum vertical columns to form the gypsum mortar layer. The non-load-bearing solid wall, hollow wall or double wall and other structures are formed by the vertical column support body, the glass fiber mesh cloth and the gypsum mortar layer to form the overall seamless composite wall.
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Description

TECHNICAL FIELD

[0001] The present application relates to a wall supporting device in the field of construction engineering, in particular to a gypsum keel for a spray-built composite wall. BACKGROUND

[0002] The annual production of industrial by-product gypsum in China is about 184 million tons, and the cumulative stockpile exceeds 1 billion tons. Most of the industrial by-product gypsum is discarded as waste, and the waste residue storage not only occupies a large amount of land, but also pollutes the surrounding environment, air, water quality and surface. Therefore, developing and utilizing industrial by-product gypsum is one of the high-tech industries that the country has always encouraged to develop.

[0003] Spray-built gypsum composite wall is a new type of building technology that has developed rapidly in recent years, including various technologies that use light steel keel or PVC or metal plate as the framework, steel plate net or glass fiber mesh or plastic net as the attachment layer, and gypsum mortar spray-built wall. Among them, the light steel keel + steel plate net + gypsum spray-built mortar is the most mature technology, but the corrosion resistance of light steel keel and steel plate net is very high, thereby the cost is high, which limits its large-scale promotion. In addition, the above-mentioned spray-built gypsum composite wall needs to artificially make standard lines (commonly known as standard reinforcement) to control the flatness of the wall surface during construction. The standard reinforcement needs skilled workers, which not only consumes time and effort, but also has high labor cost, and is not conducive to the development of the technology. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a gypsum keel for a spray-built composite wall, in order to solve the problems of easy corrosion of light steel keel in the spray-built composite wall, difficult standard reinforcement making, and high cost of wall.

[0005] To this end, the technical solution for solving the problem of the present application is: a gypsum keel for a spray-built composite wall, the gypsum keel is composed of a group of separate gypsum columns, each group of gypsum columns is wrapped with a glass fiber mesh cloth layer and is arranged in a composite wall with a gypsum mortar layer sprayed on the inner and outer surfaces of the composite wall, characterized in that the body of the gypsum keel is in the shape of a column, and the body of the gypsum keel is provided with protrusions and recesses and reserved holes of the same material as the body of the gypsum keel, the gypsum columns in each group are combined in the form of mortise and tenon structure through the protrusions and recesses and reserved holes on the body of the gypsum keel, and form a column support body of the composite wall; the glass fiber mesh cloth layer is installed in the net clamping seam on one side or both sides of the column support body, and forms a reinforcing layer of the composite wall; the gypsum mortar is sprayed on the glass fiber mesh cloth layer to form a gypsum mortar layer, and the column support body, the glass fiber mesh cloth layer and the gypsum mortar layer form a seamless whole wall of the composite wall.

[0006] Further, the gypsum keel bodies arranged in the composite wall are assembled in pairs, and each group has at least two gypsum keel columns with mortise and tenon structures, which are support columns of the composite wall.

[0007] Further, the composite wall with seamless non-bearing solid wall, hollow wall or double-layer wall structure is composed of the gypsum keel bodies, the glass fiber mesh cloth layers and the gypsum mortar layers sprayed on the inner and outer surfaces of the composite wall.

[0008] Further, the gypsum keel columns assembled in pairs are divided into column A and column B, which are connected together in the form of mortise and tenon structure through the protrusions and grooves arranged on the gypsum keel bodies, and the glass fiber mesh cloth layer is arranged in the mesh sandwich joint between the column A and the column B to control the wall spraying thickness and verticality.

[0009] Further, with respect to the solid wall of the composite wall, the gypsum keel columns are divided into column A and column B, and the gypsum keel columns A and B are completely wrapped and covered by the gypsum mortar layer sprayed on the glass fiber mesh cloth layer to form a full-filled solid structure composite wall.

[0010] Further, the gypsum keel columns arranged in the solid wall are column A and column B, and the wall thickness is the sum of the column A and the column B.

[0011] Further, the gypsum keel columns arranged in the hollow wall are column A and column B, wherein the column B is divided into two columns B1 and B2 with equal thickness, the gypsum keel columns arranged in the hollow wall are column A, column B1 and B2, and the thickness of the composite wall is the sum of the column B1, the column A and the column B2, wherein the width of the cavity of the composite wall is equal to the thickness of the column A.

[0012] Further, the gypsum keel columns arranged in the double-layer wall are two groups of column A and column B, and the thickness of the wall is the sum of the two groups of column A and the cavity.

[0013] Further, each group of gypsum keel columns is divided into column A and column B, the glass fiber mesh cloth layer is installed in the mesh sandwich joint between the column A and the column B and is clamped and fixed by the two columns, and when the solid wall is constructed, the glass fiber mesh cloth layer is a single layer.

[0014] Further, each group of gypsum keel columns is divided into column A and column B, the glass fiber mesh cloth layer is installed in the mesh sandwich joint between the column A and the column B and is clamped and fixed by the two columns, and when the hollow wall is constructed, the glass fiber mesh cloth layer is a double layer.

[0015] Further, the gypsum keel of each group is divided into column A and column B, the glass fiber mesh layer is installed in the net clamp seam between column A and column B, and is clamped and fixed by the two columns; when used in double-layer wall, the glass fiber mesh is double-layered.

[0016] Compared with the spray-built composite wall of the prior art, the positive effects produced by the technical scheme of the present application in practice are very obvious.

[0017] 1. For the spray-built composite wall, the gypsum keel column is used to replace the light steel keel column, and the glass fiber mesh is used to replace the steel plate mesh, so that the corrosion of the wall support column and the wall reinforcing rib can be avoided for a lifetime, and the cost of the overall construction material can be reduced.

[0018] 2. For the spray-built composite wall, the net clamp seam of the gypsum keel column composed of column A and column B is used to fix the glass fiber mesh layer, and the outer side of the gypsum keel is used to replace the marking rib, so that the marking rib can be avoided.

[0019] 3. For the spray-built composite wall, the gypsum keel column can not only position the wall, but also improve the stability and seismic performance of the wall.

[0020] 4. For the spray-built composite wall, the gypsum keel column body is assembled by the mortise and tenon structure of the gypsum columns A and B, which is convenient for fixing the glass fiber mesh on the column body.

[0021] 5. For the spray-built composite wall, the hole is reserved on the gypsum column A, which is convenient for the pre-buried water and electricity pipelines and the ventilation and drying of the hollow wall; when the composite wall is a solid wall, the wall thickness is column A+B; when the composite wall is a hollow wall, the wall thickness is column A+B1+B2 (A is a hollow cavity); when the composite wall is a double-layer wall, the wall thickness is two groups of column A+hollow cavity.

[0022] 6. For the spray-built composite wall, the level and thickness of the glass fiber mesh can be flexibly arranged and controlled according to the needs of wall reinforcement, and the glass fiber mesh can be laid on the column A and B and clamped by the net clamp seam of the two columns during construction; when used for the construction of a solid wall, the laid glass fiber mesh is single-sided; when used for the construction of a hollow wall or a double-layer wall, the laid glass fiber mesh is double-sided.

[0023] 7. For the spray-built composite wall, if the U-shaped light steel keel is used as the upper and lower beams of the wall and the beams, plates and columns of the building main structure, only the gypsum keel column can be positioned in the position of the spray-built composite wall, thereby improving the stability and seismic performance of the wall. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1is a structural schematic diagram of one embodiment of gypsum keel involved in the present application;

[0025] Figure 2 is a structural schematic diagram of another embodiment of gypsum keel involved in the present application.

[0026] wherein, Figure 1 、 Figure 2 1-composite wall (gypsum mortar layer) in, 2-glass fiber mesh layer, A, B1, B2 are gypsum keel respectively; 3-gypsum keel recess, 4-gypsum keel protrusion, 5-gypsum keel vent, 6-clip web joint between two adjacent gypsum keels. Embodiment

[0027] The following embodiment is a gypsum stud for a sprayed composite wall. The gypsum stud in the embodiment is wrapped by at least one layer of glass fiber mesh and is arranged in a composite wall formed by spraying gypsum mortar on the inner and outer surfaces of the composite wall, wherein the body of the gypsum stud is in the shape of a column, and a protrusion 4 and a groove 3 of the same material as the body of the gypsum stud are arranged on the body of the gypsum stud, and a hole 5 for installing pipelines is arranged in the protrusion 4 and the groove 3, and the gypsum columns A and B are fixed together in a mortise and tenon structure through the protrusion 4 and the groove 3 to form the body of the gypsum stud, and the body of the gypsum stud in the embodiment serves as a column support body of the composite wall; relative to the column support body, the glass fiber mesh is arranged in a mesh clamping gap 6 on one side or both sides of the column support body, and forms a reinforcing layer of the composite wall; under this layout, the gypsum mortar is sprayed on the glass fiber mesh to form a gypsum mortar layer, at this time, the column support body, the glass fiber mesh, and the gypsum mortar layer form a seamless sprayed composite wall as a whole. In practice, the gypsum stud body arranged in the composite wall can be assembled in pairs, and each group has at least two gypsum stud columns in a mortise and tenon structure connected by the protrusion 4 and the groove 3 of each group, and the gypsum stud columns are support columns of the composite wall. Because of the role of the gypsum stud, the seamless sprayed composite wall formed by the gypsum stud body, the glass fiber mesh, and the gypsum mortar layer sprayed on the inner and outer surfaces of the composite wall as a whole in the embodiment refers to a composite wall in the form of a non-load-bearing solid wall, a hollow wall, or a double-layer wall. In practice, regardless of the type of wall to be constructed, the gypsum stud columns assembled in pairs are divided into column A and column B, and at this time, the column B can be divided into two gypsum columns B1 and B2, and the column A and the column B are connected together in a mortise and tenon structure through the protrusion 4 and the groove 3 arranged on the columns, and at this time, in order to finally achieve the requirement of controlling the spraying thickness of the wall, the glass fiber mesh can be arranged in the mesh clamping gap 6 between the column A and the column B. In practice, if the composite wall to be constructed is a solid wall, the gypsum stud columns can be designed as column A and column B, and then the gypsum mortar layer is sprayed on the glass fiber mesh to wrap and cover the two columns A and B of the gypsum stud, thereby forming a full-filled composite wall in the form of a solid structure, and at this time, the thickness of the wall is the thickness of the column A plus the thickness of the column B. If the composite wall to be constructed is a hollow wall, the gypsum stud is still divided into column A and column B, but at this time, the column B can be divided into two columns B1 and B2 with equal thickness, and at this time, the gypsum stud arranged in the hollow wall is column A, column B1, and column B2; the thickness of the composite wall designed in this way is the thickness of the column B1 plus the thickness of the column A plus the thickness of the column B2, and the thickness of the column A is equivalent to the cavity of the composite wall. If the composite wall to be constructed is a double-layer wall, the gypsum stud in the wall is two groups of column A and column B, and at this time, the thickness of the wall is the thickness of the two groups of column A plus the cavity.In practice, the design scheme of the present application is to divide each group of gypsum keel into column A and column B, and install the glass fiber mesh cloth layer between column A and column B and hold it fast by the two columns; when constructed on solid wall, the glass fiber mesh cloth layer is single layer, and when constructed on hollow wall or double layer wall, the glass fiber mesh cloth is double layer.

[0028] In summary, the creation of "gypsum keel + glass fiber mesh cloth + gypsum sprayed mortar" in the technical scheme of the present application is based on the latest generation of products.

[0029] The product performance is greatly improved, and the test data are as follows after detection by Guizhou Provincial Building Science Research and Detection Center:

[0030]

[0031] That is, the gypsum keel column and the glass fiber mesh cloth solve the long-term corrosion problem of light steel keel and steel plate mesh, and the material cost is greatly reduced; the mortise and tenon structure of the gypsum keel column not only facilitates installation but also eliminates the process of manually making the marking rib, thereby greatly reducing the engineering installation cost.

Claims

1. A gypsum board joist for spray-cast composite walls, wherein the gypsum board joist is composed of a set of separate gypsum columns, characterized in that, The gypsum keel body is column-shaped, with protrusions and grooves made of the same material as the gypsum keel body. Two separate gypsum columns are joined together using a mortise and tenon structure through these protrusions and grooves to form the column support of the composite wall. A fiberglass mesh layer is installed in the mesh seams on one or both sides of the column support, forming a reinforcing layer of the composite wall. The fiberglass mesh layer is installed between the separate gypsum columns and is clamped and secured by two adjacent gypsum columns. Gypsum mortar is sprayed onto the fiberglass mesh layer to form a gypsum mortar layer. The column support, fiberglass mesh layer, and gypsum mortar layer together form a seamless integral wall.

2. The gypsum board joist for spray-cast composite walls according to claim 1, characterized in that, The seamless integral wall is a seamless non-load-bearing solid wall, hollow wall, or double-layer wall.

3. The gypsum board framing for spray-cast composite walls according to claim 2, characterized in that, The plaster columns set in the solid wall are column A and column B, which are connected together by a mortise and tenon structure. The fiberglass mesh layer is placed in the middle of the mesh seam between column A and column B to control the thickness of the sprayed wall and the verticality of the facade. At this time, the wall thickness is the sum of the thickness of column A and the thickness of column B.

4. The gypsum board framing for spray-cast composite walls according to claim 2, characterized in that, The plaster columns installed in the hollow wall are column A, column B1, and column B2. The wall thickness is the sum of the thickness of column B1, the thickness of column A, and the thickness of column B2.

5. The gypsum board framing for spray-cast composite walls according to claim 2, characterized in that, The plaster columns installed within the double-layered walls consist of two sets of columns, each set consisting of column A and column B.

6. The gypsum keel of the gypsum keel sprayed composite wall according to claim 3, characterized in that: When applied to a solid wall, the fiberglass mesh layer is a single layer.

7. The gypsum keel of the gypsum keel sprayed composite wall according to claim 4, characterized in that: When applied to hollow walls, the fiberglass mesh layer is double-layered.

Citation Information

Patent Citations

  • Gypsum keel arranged in spray-building type composite wall

    CN221168221U