CN112064870A - Gypsum board butt joint cracking-preventing structure and construction process thereof - Google Patents
Gypsum board butt joint cracking-preventing structure and construction process thereof Download PDFInfo
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- CN112064870A CN112064870A CN202010774872.9A CN202010774872A CN112064870A CN 112064870 A CN112064870 A CN 112064870A CN 202010774872 A CN202010774872 A CN 202010774872A CN 112064870 A CN112064870 A CN 112064870A
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- putty layer
- gypsum board
- butt joint
- putty
- paper tape
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
- E04B9/0435—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having connection means at the edges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
- E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
- E04B9/245—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of screws, bolts or clamping strips held against the underside of the supporting construction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The utility model relates to a gypsum board butt joint prevents structure of ftractureing, it includes the furred ceiling skeleton, the gypsum board body, its characterized in that have been laid to one side of furred ceiling skeleton: the lateral wall of gypsum board body carries out the chamfer and handles, and two are adjacent it forms the caulking to have certain clearance between the gypsum board body, the width of caulking is 50mm-80mm, be provided with the filling putty layer in the caulking, one side of filling fine and smooth sublayer covers has first putty layer, the outside that deviates from the filling putty layer on first putty layer bonds and has the seam paper tape, the opposite side of seam paper tape is provided with second putty layer, the opposite side of second putty layer is provided with the third putty layer. The application also provides a gypsum board butt joint cracking-preventing structure construction process, and the gypsum board butt joint cracking-preventing structure has the effect of reducing the possibility of cracking at the joint of adjacent gypsum boards.
Description
Technical Field
The application relates to the technical field of interior decoration, in particular to a gypsum board butt joint anti-cracking structure and a construction process thereof.
Background
Suspended ceiling refers to the top decoration of the residential environment of a house. In short, it refers to the decoration of ceiling, and is one of the important parts of interior decoration. The gypsum board has the characteristics of light weight, high strength, thin thickness, convenience in processing, good performances of sound insulation, heat insulation, fire prevention and the like, and is one of novel light boards which are mainly developed at present.
Because the gypsum board is finished product panel, so need constitute whole roof with a large amount of gypsum board concatenations when the construction, because the gypsum board furred ceiling is consolidated with being connected of gypsum board and fossil fragments, and the furred ceiling bears the weight of the thing more, and the top surface can bear the weight of the effect of level and perpendicular two-way power, and the seam crossing between gypsum board and the gypsum board causes the fracture easily, plasters and drops, influences outward appearance and service function.
Disclosure of Invention
In order to reduce the possibility that adjacent gypsum board seams crack, the application provides a gypsum board butt joint crack-preventing structure and a construction process thereof.
First aspect, the application provides a gypsum board butt joint prevents structure that ftractures adopts following technical scheme:
the utility model provides a gypsum board is to preventing structure of ftractureing, includes the furred ceiling skeleton, the gypsum board body has been laid to one side of furred ceiling skeleton, the lateral wall of gypsum board body carries out the chamfer and handles, and two are adjacent it forms the caulking to have certain clearance between the gypsum board body, the width of caulking is 50mm-80mm, be provided with the putty layer of filling in the caulking, the one side of filling the fine and smooth sublayer covers there is first putty layer, the outside that first putty layer deviates from the filling putty layer bonds and has the seam paper tape, the opposite side of seam paper tape is provided with second putty layer, the opposite side of second putty layer is provided with third putty layer, the width crescent of first putty layer, second putty layer and third putty layer.
By adopting the technical scheme, the side walls of the gypsum board bodies are chamfered, so that the filling putty layers can be conveniently filled into the caulks of two adjacent gypsum board bodies, meanwhile, a first putty layer is arranged on the outer side of the filling putty layer to be combined with a joint paper tape, and a plurality of layers of joint filling materials are arranged between a second putty layer and a third putty layer, so that the caulks are more tough, and the cracks at the caulks are reduced; the width of first putty layer, second putty layer and third putty layer is crescent, for caulking department and gypsum board body's panel face form the buffering in thickness, not only more firm, reduced the use amount of putty moreover, also reduced material cost for the engineering.
Preferably, the filling putty layer is composed of desulfurized gypsum powder, cracking prevention agent, retarder, water-retaining agent and auxiliary agent.
By adopting the technical scheme, the filling putty layer has stronger anti-cracking performance, so that cracking at the caulking position is reduced.
Preferably, the anti-cracking agent is polypropylene fiber, plant fiber or alkali-resistant glass fiber.
By adopting the technical scheme, the anti-cracking agent is polypropylene fiber, plant fiber or alkali-resistant glass fiber, so that a high-density reticular glue film is formed at the caulking position of the filled putty layer after being dried, the physical density of the filled putty layer is close to that of the gypsum board body, the filled putty layer can stretch out and draw back synchronously with the gypsum board body during climate change, and the anti-cracking agent has good anti-cracking performance, adhesive force and flexibility.
Preferably, the auxiliary aid is composed of silicone gum and white latex.
By adopting the technical scheme, the silicone adhesive silicone glass adhesive has the characteristics of strong bonding force, high tensile strength, weather resistance, vibration resistance, moisture resistance, odor resistance and large adaptability to cold and heat changes; the white latex can be cured at normal temperature, the bonding strength is high, and the bonding layer has the characteristics of good toughness and durability, difficult aging and water solubility; silicone glue and white latex are added between the filler putty layers as auxiliary additives, so that the caulking connection between the two gypsum board bodies is more stable.
Preferably, the ceiling framework is a light steel keel.
Through adopting above-mentioned technical scheme for the furred ceiling skeleton has higher intensity, thereby makes the hoist and mount of gypsum board body more stable.
Preferably, the gypsum board body and the light steel keel are connected with each other through a plurality of self-tapping screws.
Through adopting above-mentioned technical scheme, can be with stable the installing on light gauge steel of gypsum board body for installation between the two is more stable.
Preferably, the self-tapping screw is provided with antirust paint.
Through adopting above-mentioned technical scheme, the possibility that the corrosion takes place for reducible automatic screw, and then reduces the gypsum board body and breaks away from the light gauge steel and take place the possibility of fracture.
Preferably, the side of the seam paper tape facing the filling putty layer is fixedly connected with surface roughening.
Through adopting above-mentioned technical scheme for the joint paper tape just face has great surface energy, thereby promotes the adhesive force of joint paper tape, makes the joint paper tape and first putty layer and the bonding between the filling putty layer more stable.
Preferably, a plurality of uniformly distributed through holes are formed in the surface of the seam paper tape.
Through adopting above-mentioned technical scheme, reduce the possibility that the seam paper tape produces the bubble when gluing on first putty layer and filling putty layer.
In a second aspect, the application provides a gypsum board butt joint cracking-proof structure's construction technology, adopts following technical scheme: the method comprises the following steps:
s1, installing gypsum board bodies, namely installing the gypsum board bodies on a suspended ceiling framework through self-tapping screws, wherein each gypsum board body is fixed radially from the middle to the periphery, when the gypsum board bodies are paved and nailed by the self-tapping screws, the nail distance is 150-170 mm, and the automatic screws are perpendicular to the board surface;
s2, manufacturing a filling putty layer, adding water into filling putty powder to prepare a paste, filling the filling putty powder into a caulking position by using a small spatula, then covering a first putty layer on the base layer, wherein the width of the first putty layer is 100-120 mm, and drying to obtain the base layer;
s3, adhering a joint paper tape, pressing the joint paper tape into the base layer by using a middle spatula, napping the surface of the joint paper tape, adhering the joint paper tape towards the caulking, then covering a second putty layer on the outer side of the joint paper tape, wherein the width of the second putty layer is 150-240 mm, and drying;
and S4, coating a third putty layer, covering the third putty layer on the outer side of the dried second putty layer by using a wide spatula, wherein the width of the third putty layer is 300-360 mm, and repairing and leveling.
Through adopting above-mentioned technical scheme, can effectual each structural layer of assurance caulking department set up position and effect in the in-process of construction, guarantee the result of use and the life in later stage, improve whole anti-cracking structure whole temper and anti-cracking effect.
To sum up, the application comprises the following beneficial technical effects:
1. the side walls of the gypsum board bodies are chamfered, so that the filling putty layers can be conveniently filled into the fillets of two adjacent gypsum board bodies, meanwhile, a first putty layer is arranged on the outer side of the filling putty layer and is combined with a joint paper tape, and a plurality of layers of joint filling materials are arranged between a second putty layer and a third putty layer, so that the fillets are enabled to be tougher, and cracking at the fillets is reduced;
2. the widths of the first putty layer, the second putty layer and the third putty layer are gradually increased to buffer the thickness of the caulking part and the plate surface of the gypsum board body, so that the caulking part is firmer, the using amount of putty is reduced, and the raw material cost is reduced for engineering;
3. the construction process is simple and easy to operate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Figure 2 is a side view showing the mating relationship of the seamed paper tape to the caulk.
Fig. 3 is a schematic structural view of the construction process of the present application.
In the figure, 1, a suspended ceiling framework; 11. a gypsum board body; 111. caulking; 12. self-tapping screws; 2. filling a putty layer; 3. a first putty layer; 4. a seaming paper tape; 41. surface roughening; 42. perforating; 5. a second putty layer; 6. and a third putty layer.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses gypsum board butt joint cracking-preventing structure and construction technology thereof. Referring to fig. 1 and 2, the gypsum board butt joint anti-cracking structure comprises a ceiling framework 1, wherein the ceiling framework 1 is a light steel keel, two gypsum board bodies 11 which are arranged in a coplanar manner are laid on one side of the ceiling framework 1, and the gypsum board bodies 11 are parallel to the light steel keel; the gypsum board body 11 and the light steel keel are mutually connected through a plurality of self-tapping screws 12, and the self-tapping screws 12 are coated with anti-rust paint, so that the possibility of rusting of the self-tapping screws 12 is reduced.
Referring to fig. 1 and 2, the side walls of gypsum board bodies 11 are chamfered, a gap is formed between two adjacent gypsum board bodies 11 to form a fillet 111, the width of the fillet 111 is 50mm-80mm, a filling putty layer 2 is arranged in the fillet 111, the filling putty layer 2 is composed of desulfurized gypsum powder, a cracking prevention agent, a retarder, a water-retaining agent and an auxiliary additive, wherein the cracking prevention agent is polypropylene fiber, plant fiber or alkali-resistant glass fiber; the auxiliary agent consists of silicone adhesive and white latex, so that the filling putty layer 2 has stronger anti-cracking performance, and cracking at the caulking joint 111 is reduced.
Referring to fig. 1 and 2, a first putty layer 3 covers one side of the filled fine and smooth sublayer, a seam paper tape 4 is bonded to the outer side of the first putty layer 3, which is far away from the filled putty layer 2, a surface napping 41 is fixedly connected to one side of the seam paper tape 4, which faces the filled putty layer 2, and a plurality of uniformly-distributed through holes 42 are formed in the surface of the seam paper tape 4, so that the possibility of bubbles generated when the seam paper tape 4 is bonded to the first putty layer 3 and the filled putty layer 2 is reduced, and the bonding between the seam paper tape 4 and the first putty layer 3 and the filled putty layer 2 is more stable; the other side of the seam paper tape 4 is coated with a second putty layer 5, the other side of the second putty layer 5 is coated with a third putty layer 6, and the widths of the first putty layer 3, the second putty layer 5 and the third putty layer 6 are gradually increased. The side walls of the gypsum board bodies 11 are chamfered, so that the filling putty layers 2 can be conveniently filled into the fillets 111 of two adjacent gypsum board bodies 11, meanwhile, the first putty layer 3 is arranged on the outer side of the filling putty layer 2 and is combined with the joint paper tape 4, and a plurality of layers of joint filling materials are arranged between the second putty layer 5 and the third putty layer 6, so that the fillets 111 are enabled to be tougher, and cracking at the fillets 111 is reduced; the width of first putty layer 3, second putty layer 5 and third putty layer 6 is crescent, for caulking 111 department and gypsum board body 11's panel face forms the buffering in thickness, not only more firm, reduced the use amount of putty moreover, also reduced material cost for the engineering.
Referring to fig. 3, in a second aspect, the application provides a construction process of a gypsum board butt joint cracking-prevention structure, which adopts the following technical scheme: the method comprises the following steps:
s1, installing gypsum board bodies 11, installing the gypsum board bodies 11 on the ceiling framework 1 through self-tapping screws 12, radially fixing each gypsum board body 11 from the middle to the periphery, and when the gypsum board bodies 11 are nailed by the self-tapping screws, the nail pitch is 150mm-170mm, and the automatic screws are perpendicular to the board surface;
s2, preparing a filling putty layer 2, adding water into filling putty powder to prepare a paste, filling the filling putty powder into a caulking joint 111 by using a small spatula, then covering a first putty layer 3 on the base layer, wherein the width of the first putty layer 3 is 100-120 mm, and drying to obtain the base layer;
s3, adhering the joint paper tape 4, pressing the joint paper tape 4 into the base layer by using a middle spatula, adhering the surface galling 41 of the joint paper tape 4 towards the caulking joint 111, then covering a second putty layer 5 on the outer side of the joint paper tape 4, wherein the width of the second putty layer 5 is 150-240 mm, and drying;
s4, coating the third putty layer 6, covering the third putty layer 6 on the outer side of the dried second putty layer 5 by using a wide spatula, wherein the width of the third putty layer 6 is 300-360 mm, and repairing and leveling.
In the butt joint flow of traditional gypsum board body 11, all can use glue when pasting the paper tape, this harmful gas content that can increase in the air influences human health. The most obvious characteristic in the application is that no glue is needed in the process of bonding the joint paper tape 4 by the construction technology, so that not only is no harmful gas generated to pollute indoor air, but also the stability of the material at the caulking 111 is ensured, and the possibility of cracking caused by deformation and shrinkage at the caulking 111 is reduced; the filling putty layer 2, the first putty layer 3, the second putty layer 5 and the third putty layer 6 are made of the same material, the material properties are consistent, the matching degree is better, and the cracking probability of the gypsum board butt joint part is greatly reduced; the setting position and the effect of each structural layer of effectual assurance caulking 111 department in the in-process of construction guarantee the result of use and the life in later stage, improve whole anti-cracking structure whole toughness and prevent the effect of ftractureing.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a gypsum board butt joint prevents structure of ftractureing, includes furred ceiling skeleton (1), gypsum board body (11), its characterized in that have been laid to one side of furred ceiling skeleton (1): the lateral wall of gypsum board body (11) carries out the chamfer and handles, and two adjacent it forms filleting (111) to have certain clearance between gypsum board body (11), the width of filleting (111) is 50mm-80mm, be provided with in filleting (111) and fill putty layer (2), one side of filling fine and smooth sublayer covers has first putty layer (3), the outside that first putty layer (3) deviate from to fill putty layer (2) bonds and has seam paper tape (4), the opposite side of seam paper tape (4) is provided with second putty layer (5), the opposite side of second putty layer (5) is provided with third putty layer (6), the width crescent of first putty layer (3), second putty layer (5) and third putty layer (6).
2. The gypsum board butt joint crack prevention structure of claim 1, wherein: the filling putty layer (2) is composed of desulfurized gypsum powder, anti-cracking agent, retarder, water-retaining agent and auxiliary additive.
3. The gypsum board butt joint crack prevention structure of claim 2, wherein: the anti-cracking agent is polypropylene fiber, plant fiber or alkali-resistant glass fiber.
4. The gypsum board butt joint crack prevention structure of claim 2, wherein: the auxiliary agent consists of silicone adhesive and white latex.
5. The gypsum board butt joint crack prevention structure of claim 1, wherein: the ceiling framework (1) is a light steel keel.
6. The gypsum board butt joint crack prevention structure of claim 5, wherein: the gypsum board body (11) and the light steel keel are connected with each other through a plurality of self-tapping screws (12).
7. The gypsum board butt joint crack prevention structure of claim 6, wherein: and the self-tapping screw (12) is provided with antirust paint.
8. The gypsum board butt joint crack prevention structure of claim 1, wherein: and one side of the seam paper tape (4) facing the filling putty layer (2) is fixedly connected with a surface napping (41).
9. The gypsum board butt joint crack prevention structure of claim 1, wherein: the surface of the seam paper tape (4) is provided with a plurality of perforations (42) which are uniformly distributed.
10. The construction process of the gypsum board butt joint cracking-proof structure according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, installing gypsum board bodies (11), installing the gypsum board bodies (11) on a suspended ceiling framework (1) through self-tapping screws (12), radially fixing each gypsum board body (11) from the middle to the periphery, and when the gypsum board bodies (11) are paved and nailed by the self-tapping screws, the nail pitch is 150-170 mm, and the automatic screws are perpendicular to the board surface;
s2, manufacturing a filling putty layer (2), adding water into filling putty powder to prepare a paste, filling the filling putty powder into a caulking joint (111) by using a small spatula, then covering a first putty layer (3) on the base layer, wherein the width of the first putty layer (3) is 100-120 mm, and drying to obtain the base layer;
s3, adhering the joint paper tape (4), pressing the joint paper tape (4) into a base layer by using a medium spatula, adhering the joint paper tape (4) with the surface galling (41) facing the caulking seam (111), then covering a second putty layer (5) on the outer side of the joint paper tape (4), wherein the width of the second putty layer (5) is 150-240 mm, and drying;
s4, coating a third putty layer (6), covering the third putty layer (6) on the outer side of the dried second putty layer (5) by using a wide spatula, wherein the width of the third putty layer (6) is 300-360 mm, and repairing and leveling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774872.9A CN112064870A (en) | 2020-08-05 | 2020-08-05 | Gypsum board butt joint cracking-preventing structure and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010774872.9A CN112064870A (en) | 2020-08-05 | 2020-08-05 | Gypsum board butt joint cracking-preventing structure and construction process thereof |
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| CN112064870A true CN112064870A (en) | 2020-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482223A (en) * | 2021-07-21 | 2021-10-08 | 济南观唐装饰设计有限公司 | Gypsum board 7-shaped corner construction process |
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| CN109930734A (en) * | 2019-04-23 | 2019-06-25 | 台州市易家装饰有限公司 | A kind of plaster tablet suspended ceiling construction method |
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| CN204081199U (en) * | 2014-09-30 | 2015-01-07 | 中国建筑装饰集团有限公司 | A kind of plaster tablet suspended ceiling of novel crack resistence |
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Application publication date: 20201211 |