CN112028663A - Indoor finish-decoration wall plastering gypsum and construction process thereof - Google Patents
Indoor finish-decoration wall plastering gypsum and construction process thereof Download PDFInfo
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- CN112028663A CN112028663A CN202010898703.6A CN202010898703A CN112028663A CN 112028663 A CN112028663 A CN 112028663A CN 202010898703 A CN202010898703 A CN 202010898703A CN 112028663 A CN112028663 A CN 112028663A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/04—Patterns or templates; Jointing rulers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
Abstract
The invention discloses a plastering gypsum for indoor finish wall surface and a construction process thereof, belonging to the technical field of indoor decoration, wherein the plastering gypsum comprises the following components in parts by weight: 40-50 parts of desulfurized gypsum, 20-30 parts of modified diatom ooze, 15-20 parts of lightweight aggregate, 3-6 parts of calcium-increasing agent, 0.5-1.0 part of gypsum retarder, 1-2 parts of water-retaining agent, 1-3 parts of foaming agent, 1-3 parts of foam stabilizer and 3-5 parts of dispersible latex powder. This interior finish decoration wall whitewashes gypsum and construction process thereof, through adding auxiliary agents such as dispersible latex and retarder in the raw materials, the mechanical strength of finished product whitewashes gypsum in the application has been strengthened, it is strong to have the adhesion, characteristics such as constructability excellence, modified diatom mud has been added simultaneously, it is good to have also improved water retention property, the effect that heat preservation sound proofness is excellent, a lot of problems such as plastering crack have been solved, through improving on construction process, carry out twice manual wall application, help the quick surface fracture that the dehydration that leads to whitewashes the gypsum that causes of separation basic unit to absorb water fast.
Description
Technical Field
The invention belongs to the technical field of interior decoration, and particularly relates to indoor finish-decorated wall plastering gypsum and a construction process thereof.
Background
In recent years, with the increase of popularization of the 'four new technologies' in the field of buildings, a plurality of new materials are applied, and the improvement of engineering quality is promoted. In areas with dry climate and large day-night temperature difference, the common quality problem that plastering crack caused by cement drying shrinkage cannot be fundamentally treated by plastering with cement mortar, and the plastering crack problem of concrete surfaces, ceramsite and aerated concrete masonry is particularly prominent.
With the improvement of living standard of people, the improvement of living conditions and living environment is one of important marks. People not only require spacious living, but also require higher living quality and more comfortable living environment. With the rapid development of the construction industry, the novel wall material is widely applied to the construction market due to the characteristics of light weight, high strength, energy conservation and the like, and some traditional materials are gradually replaced by the novel materials. For example, the method that the traditional cement mortar and mixed mortar are completely used as the plastering materials of the interior finish wall is far from being suitable for the requirement, and the traditional plastering materials have the defects of easy cracking, hollowness, more floor ash, poor bonding property and the like. Secondly, the setting and hardening are slow, and especially under the condition of low temperature in winter, the time interval between the plastering process and the final decorating process is half a month or longer, and the like, which becomes the biggest obstacle for restricting the rapid construction.
Therefore, if a novel plastering gypsum can be provided as a wall plastering material for interior finishing, the plastering gypsum can be used for solving the problems of plastering crack and the like, can be used for replacing the traditional cement mortar, can be popularized and used within a certain range, and has very important significance.
Therefore, the plastering gypsum for the indoor finish wall and the construction process thereof are provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides indoor finish wall plastering gypsum and a construction process thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the indoor finish-finishing wall plastering gypsum comprises the following components in parts by weight: 40-50 parts of desulfurized gypsum, 20-30 parts of modified diatom ooze, 15-20 parts of lightweight aggregate, 3-6 parts of calcium-increasing agent, 0.5-1.0 part of gypsum retarder, 1-2 parts of water-retaining agent, 1-3 parts of foaming agent, 1-3 parts of foam stabilizer and 3-5 parts of dispersible latex powder.
The technical scheme is further optimized, the calcium increasing agent is calcium oxide and calcium hydroxide, and the water retaining agent is one or a mixture of more of hydroxymethyl cellulose, carboxypropyl methyl cellulose ether, starch ether or hydroxyethyl cellulose ether.
The technical scheme is further optimized, and the gypsum retarder is selected from one or more of zinc salt, phosphate, citric acid and salts thereof, tartaric acid and salts thereof and lignosulfonate.
Further optimizing the technical scheme, the plastering gypsum is prepared by weighing the raw materials according to the weight ratio, putting the desulfurized gypsum, the modified diatom ooze and the lightweight aggregate into a mixer, adding water, mixing and stirring, mixing the gypsum retarder, the water-retaining agent, the foaming agent, the foam stabilizer and the dispersible latex powder, and drying to obtain the plastering gypsum.
A construction process for plastering gypsum on indoor finish wall surfaces comprises the following specific steps:
s1, carrying out base layer wall processing;
s2, pressing the cut mesh cloth into the plastering gypsum, compacting and leveling;
s3, positioning by a laser instrument, preparing an upper standard ash cake and a lower standard ash cake by using the plastering gypsum, and preparing a plurality of ash cakes according to the distance of 1.2-1.5 m;
s4, performing reinforcement punching, and continuously coating plastering gypsum on the free positions of the upper and lower ash cakes according to the heights of the upper and lower ash cakes in the same vertical plane, wherein the coating thickness is about 3-5mm higher than the surface of the ash cake;
s5, manually mounting the wall by using plastering gypsum twice, wherein the construction time interval of the two times is at least more than 1.5 h;
s6, leveling and trimming, and scraping off a small amount of bubbles generated on the wall;
and S7, protecting the constructed wall surface to avoid collision and water-washing soaking, and keeping indoor ventilation.
Further optimizing the technical scheme, in the step S1, the wall body processing includes timely plugging of the split bolt holes in the shear wall; removing chisels on the protruding parts of the expansion die concrete and the like; the switch wire slot is required to be installed in place and repaired to be smooth; dust on the substrate wall must be cleaned.
Further optimizing the technical scheme, in the step S2, the laser line is overlapped or parallel with the positioning side line of the wall body, then the most prominent point of the wall surface is determined according to the laser vertical surface, and the thickness of the ash cake is determined according to the actual condition of inspection and the total average thickness of the plastering gypsum.
Further optimizing the technical scheme, in S6, after manual wall mounting is completed, floating construction needs to be carried out, a large scraper plate is used for floating along the punching rib from bottom to top, and scraped materials are used for supplementing materials to the concave position.
Further optimizing the technical scheme, in S6, the plastering gypsum on the concrete wall base layer can generate a small amount of bubbles, the thinner the scraping thickness is, more small bubbles can exist, when the scraping thickness is more than or equal to 8mm, a small amount of bubbles can be generated, and after the plastering gypsum surface has a little strength, the bubbles are removed by using a scraper knife and the gypsum mortar is used for repairing in time.
Compared with the prior art, the invention provides indoor finish-finishing wall plastering gypsum and a construction process thereof, and the indoor finish-finishing wall plastering gypsum has the following beneficial effects:
1. according to the interior finishing wall plastering gypsum and the construction process thereof, the dispersible latex, the retarder and other auxiliaries are added into the raw materials, so that the mechanical strength of the finished plastering gypsum in application is enhanced, and the plastering gypsum has the characteristics of strong bonding force, excellent construction performance and the like, and simultaneously, the modified diatom ooze is added, so that the effects of good water retention performance and excellent heat preservation and sound insulation are improved, and the problems of plastering crack and the like are solved.
2. The plastering gypsum for the indoor finish-finishing wall surface and the construction process thereof are improved on the construction process, and are used for manually mounting the wall twice, so that the plastering gypsum is favorable for preventing the surface crack caused by the rapid water loss of the plastering gypsum due to the rapid water absorption of a base layer.
Drawings
FIG. 1 is a schematic flow chart of the indoor finish-finished wall plastering gypsum and the construction process thereof.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the plastering gypsum for the indoor finish wall comprises the following components in parts by weight: 40-50 parts of desulfurized gypsum, 20-30 parts of modified diatom ooze, 15-20 parts of lightweight aggregate, 3-6 parts of calcium-increasing agent, 0.5-1.0 part of gypsum retarder, 1-2 parts of water-retaining agent, 1-3 parts of foaming agent, 1-3 parts of foam stabilizer and 3-5 parts of dispersible latex powder.
Specifically, the calcium increasing agent is calcium oxide and calcium hydroxide, and the water retaining agent is one or a mixture of more of hydroxymethyl cellulose, carboxypropyl methyl cellulose ether, starch ether or hydroxyethyl cellulose ether.
Specifically, the gypsum retarder is selected from one or more of zinc salt, phosphate, citric acid and salts thereof, tartaric acid and salts thereof and lignosulfonate.
Specifically, the plastering gypsum is prepared by weighing raw materials according to a weight ratio, putting the desulfurized gypsum, the modified diatom ooze and the lightweight aggregate into a mixer, adding water, mixing and stirring, mixing a gypsum retarder, a water-retaining agent, a foaming agent, a foam stabilizer and dispersible latex powder, and drying to obtain the plastering gypsum.
A construction process for plastering gypsum on indoor finish wall surfaces comprises the following specific steps:
s1, carrying out base layer wall processing;
s2, pressing the cut mesh cloth into the plastering gypsum, compacting and leveling;
s3, positioning by a laser instrument, preparing an upper standard ash cake and a lower standard ash cake by using the plastering gypsum, and preparing a plurality of ash cakes according to the distance of 1.2-1.5 m;
s4, performing reinforcement punching, and continuously coating plastering gypsum on the free positions of the upper and lower ash cakes according to the heights of the upper and lower ash cakes in the same vertical plane, wherein the coating thickness is about 3-5mm higher than the surface of the ash cake;
s5, manually mounting the wall by using plastering gypsum twice, wherein the construction time interval of the two times is at least more than 1.5 h;
s6, leveling and trimming, and scraping off a small amount of bubbles generated on the wall;
and S7, protecting the constructed wall surface to avoid collision and water-washing soaking, and keeping indoor ventilation.
Specifically, in S1, the wall processing includes timely plugging of the split bolt holes in the shear wall; removing chisels on the protruding parts of the expansion die concrete and the like; the switch wire slot is required to be installed in place and repaired to be smooth; dust on the substrate wall must be cleaned.
Specifically, in S2, the laser line coincides with or is parallel to the wall positioning edge line, then the most prominent point of the wall surface is determined according to the laser vertical plane, and the thickness of the plaster cake is determined according to the actual condition of the inspection and the total average thickness of the plastering gypsum.
Specifically, in S6, after the manual wall mounting is completed, the trowelling construction needs to be performed, a large scraper is used to trowel the screed from bottom to top along the screed, and the scraped material is used to supplement the material to the depression.
Specifically, in S6, a small amount of bubbles are generated when the plaster is applied to the concrete wall base layer, the thinner the scraping thickness is, more small bubbles exist, and when the scraping thickness is greater than or equal to 8mm, a small amount of bubbles are generated, and after the plaster surface has a slight strength, the bubbles are removed by using a scraper knife and the plaster mortar is used for repairing in time.
Example two:
the indoor finish-finishing wall plastering gypsum comprises the following components in parts by weight: 40 parts of desulfurized gypsum, 20 parts of modified diatom ooze, 15 parts of lightweight aggregate, 3 parts of calcium-increasing agent, 0.5 part of gypsum retarder, 1 part of water-retaining agent, 1 part of foaming agent, 1 part of foam stabilizer and 3 parts of dispersible latex powder.
Specifically, the calcium increasing agent is calcium oxide and calcium hydroxide, and the water retaining agent is one or a mixture of more of hydroxymethyl cellulose, carboxypropyl methyl cellulose ether, starch ether or hydroxyethyl cellulose ether.
Specifically, the gypsum retarder is selected from one or more of zinc salt, phosphate, citric acid and salts thereof, tartaric acid and salts thereof and lignosulfonate.
Specifically, the plastering gypsum is prepared by weighing raw materials according to a weight ratio, putting the desulfurized gypsum, the modified diatom ooze and the lightweight aggregate into a mixer, adding water, mixing and stirring, mixing a gypsum retarder, a water-retaining agent, a foaming agent, a foam stabilizer and dispersible latex powder, and drying to obtain the plastering gypsum.
A construction process for plastering gypsum on indoor finish wall surfaces comprises the following specific steps:
s1, carrying out base layer wall processing;
s2, pressing the cut mesh cloth into the plastering gypsum, compacting and leveling;
s3, positioning by a laser instrument, preparing an upper standard ash cake and a lower standard ash cake by using the plastering gypsum, and preparing a plurality of ash cakes according to the distance of 1.2-1.5 m;
s4, performing reinforcement punching, and continuously coating plastering gypsum on the free positions of the upper and lower ash cakes according to the heights of the upper and lower ash cakes in the same vertical plane, wherein the coating thickness is about 3-5mm higher than the surface of the ash cake;
s5, manually mounting the wall by using plastering gypsum twice, wherein the construction time interval of the two times is at least more than 1.5 h;
s6, leveling and trimming, and scraping off a small amount of bubbles generated on the wall;
and S7, protecting the constructed wall surface to avoid collision and water-washing soaking, and keeping indoor ventilation.
Specifically, in S1, the wall processing includes timely plugging of the split bolt holes in the shear wall; removing chisels on the protruding parts of the expansion die concrete and the like; the switch wire slot is required to be installed in place and repaired to be smooth; dust on the substrate wall must be cleaned.
Specifically, in S2, the laser line coincides with or is parallel to the wall positioning edge line, then the most prominent point of the wall surface is determined according to the laser vertical plane, and the thickness of the plaster cake is determined according to the actual condition of the inspection and the total average thickness of the plastering gypsum.
Specifically, in S6, after the manual wall mounting is completed, the trowelling construction needs to be performed, a large scraper is used to trowel the screed from bottom to top along the screed, and the scraped material is used to supplement the material to the depression.
Specifically, in S6, a small amount of bubbles are generated when the plaster is applied to the concrete wall base layer, the thinner the scraping thickness is, more small bubbles exist, and when the scraping thickness is greater than or equal to 8mm, a small amount of bubbles are generated, and after the plaster surface has a slight strength, the bubbles are removed by using a scraper knife and the plaster mortar is used for repairing in time.
Example three:
the indoor finish-finishing wall plastering gypsum comprises the following components in parts by weight: 50 parts of desulfurized gypsum, 30 parts of modified diatom ooze, 20 parts of lightweight aggregate, 6 parts of calcium-increasing agent, 1.0 part of gypsum retarder, 2 parts of water-retaining agent, 3 parts of foaming agent, 3 parts of foam stabilizer and 5 parts of dispersible latex powder.
Specifically, the calcium increasing agent is calcium oxide and calcium hydroxide, and the water retaining agent is one or a mixture of more of hydroxymethyl cellulose, carboxypropyl methyl cellulose ether, starch ether or hydroxyethyl cellulose ether.
Specifically, the gypsum retarder is selected from one or more of zinc salt, phosphate, citric acid and salts thereof, tartaric acid and salts thereof and lignosulfonate.
Specifically, the plastering gypsum is prepared by weighing raw materials according to a weight ratio, putting the desulfurized gypsum, the modified diatom ooze and the lightweight aggregate into a mixer, adding water, mixing and stirring, mixing a gypsum retarder, a water-retaining agent, a foaming agent, a foam stabilizer and dispersible latex powder, and drying to obtain the plastering gypsum.
A construction process for plastering gypsum on indoor finish wall surfaces comprises the following specific steps:
s1, carrying out base layer wall processing;
s2, pressing the cut mesh cloth into the plastering gypsum, compacting and leveling;
s3, positioning by a laser instrument, preparing an upper standard ash cake and a lower standard ash cake by using the plastering gypsum, and preparing a plurality of ash cakes according to the distance of 1.2-1.5 m;
s4, performing reinforcement punching, and continuously coating plastering gypsum on the free positions of the upper and lower ash cakes according to the heights of the upper and lower ash cakes in the same vertical plane, wherein the coating thickness is about 3-5mm higher than the surface of the ash cake;
s5, manually mounting the wall by using plastering gypsum twice, wherein the construction time interval of the two times is at least more than 1.5 h;
s6, leveling and trimming, and scraping off a small amount of bubbles generated on the wall;
and S7, protecting the constructed wall surface to avoid collision and water-washing soaking, and keeping indoor ventilation.
Specifically, in S1, the wall processing includes timely plugging of the split bolt holes in the shear wall; removing chisels on the protruding parts of the expansion die concrete and the like; the switch wire slot is required to be installed in place and repaired to be smooth; dust on the substrate wall must be cleaned.
Specifically, in S2, the laser line coincides with or is parallel to the wall positioning edge line, then the most prominent point of the wall surface is determined according to the laser vertical plane, and the thickness of the plaster cake is determined according to the actual condition of the inspection and the total average thickness of the plastering gypsum.
Specifically, in S6, after the manual wall mounting is completed, the trowelling construction needs to be performed, a large scraper is used to trowel the screed from bottom to top along the screed, and the scraped material is used to supplement the material to the depression.
Specifically, in S6, a small amount of bubbles are generated when the plaster is applied to the concrete wall base layer, the thinner the scraping thickness is, more small bubbles exist, and when the scraping thickness is greater than or equal to 8mm, a small amount of bubbles are generated, and after the plaster surface has a slight strength, the bubbles are removed by using a scraper knife and the plaster mortar is used for repairing in time.
The test results of the three examples show that: according to the interior finishing wall plastering gypsum and the construction process thereof, the dispersible latex, the retarder and other auxiliaries are added into the raw materials, so that the mechanical strength of the finished plastering gypsum in application is enhanced, and the plastering gypsum has the characteristics of strong bonding force, excellent construction performance and the like, and simultaneously, the modified diatom ooze is added, so that the effects of good water retention performance and excellent heat preservation and sound insulation are improved, and the problems of plastering crack and the like are solved. By improving the construction process, the construction method is used for manually mounting the wall twice, and is beneficial to preventing the surface crack caused by the rapid water loss of the plastering gypsum due to the rapid water absorption of the base layer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The indoor finish-finishing wall plastering gypsum is characterized by comprising the following components in parts by weight: 40-50 parts of desulfurized gypsum, 20-30 parts of modified diatom ooze, 15-20 parts of lightweight aggregate, 3-6 parts of calcium-increasing agent, 0.5-1.0 part of gypsum retarder, 1-2 parts of water-retaining agent, 1-3 parts of foaming agent, 1-3 parts of foam stabilizer and 3-5 parts of dispersible latex powder.
2. The interior finishing wall plastering gypsum of claim 1, wherein the calcium increasing agent is selected from calcium oxide and calcium hydroxide, and the water retaining agent is selected from one or a mixture of more of hydroxymethyl cellulose, carboxypropyl methyl cellulose ether, starch ether or hydroxyethyl cellulose ether.
3. The indoor finishing wall plastering gypsum as claimed in claim 1, wherein the gypsum retarder is one or more selected from zinc salt, phosphate, citric acid and salts thereof, tartaric acid and salts thereof and lignosulfonate.
4. The indoor finishing wall plastering gypsum of claim 1, wherein the plastering gypsum is prepared by weighing raw materials according to the weight ratio, putting the desulfurized gypsum, the modified diatom ooze and the lightweight aggregate into a mixer, adding water, mixing and stirring, mixing a gypsum retarder, a water-retaining agent, a foaming agent, a foam stabilizer and dispersible latex powder, and drying.
5. A construction process for plastering gypsum on indoor finish wall surfaces is characterized by comprising the following specific steps:
s1, carrying out base layer wall processing;
s2, pressing the cut mesh cloth into the plastering gypsum, compacting and leveling;
s3, positioning by a laser instrument, preparing an upper standard ash cake and a lower standard ash cake by using the plastering gypsum, and preparing a plurality of ash cakes according to the distance of 1.2-1.5 m;
s4, performing reinforcement punching, and continuously coating plastering gypsum on the free positions of the upper and lower ash cakes according to the heights of the upper and lower ash cakes in the same vertical plane, wherein the coating thickness is about 3-5mm higher than the surface of the ash cake;
s5, manually mounting the wall by using plastering gypsum twice, wherein the construction time interval of the two times is at least more than 1.5 h;
s6, leveling and trimming, and scraping off a small amount of bubbles generated on the wall;
and S7, protecting the constructed wall surface to avoid collision and water-washing soaking, and keeping indoor ventilation.
6. The construction process of plastering gypsum on indoor fine finishing walls as claimed in claim 5, wherein in the step S1, the wall treatment comprises timely plugging of the counter-pull bolt holes on the shear wall; removing chisels on the protruding parts of the expansion die concrete and the like; the switch wire slot is required to be installed in place and repaired to be smooth; dust on the substrate wall must be cleaned.
7. The construction process of plastering gypsum on a finished indoor wall as claimed in claim 5, wherein in S2, the laser line is coincident with or parallel to the positioning side line of the wall, then the most prominent point of the wall is determined according to the laser vertical plane, and the thickness of the ash cake is determined according to the actual inspection and the total average thickness of the plaster.
8. The process of claim 5, wherein in step S6, after the wall is manually placed on the wall, the plastering operation is performed, a large scraping plate is used for plastering from bottom to top along the screed, and the scraped material is used for supplementing the recessed portions.
9. The construction process of plastering gypsum on an indoor fine finishing wall surface according to claim 5, wherein in S6, the plastering gypsum generates a small amount of bubbles on a concrete wall substrate, the thinner the plastering thickness is, more small bubbles exist, when the plastering thickness is not less than 8mm, a small amount of bubbles are generated, and after the plastering gypsum surface has a slight strength, a scraper knife is used for removing the bubbles and the gypsum mortar is used for repairing in time.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095100A (en) * | 2022-07-15 | 2022-09-23 | 菏泽德合建工集团有限公司开发区装饰分公司 | Indoor decoration wall surface flatness adjusting construction method |
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| CN111321855A (en) * | 2020-02-26 | 2020-06-23 | 南通职业大学 | Spraying gypsum, preparation method thereof and wall construction process using spraying gypsum |
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| CN115095100A (en) * | 2022-07-15 | 2022-09-23 | 菏泽德合建工集团有限公司开发区装饰分公司 | Indoor decoration wall surface flatness adjusting construction method |
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