CN103790302A - Technology for plastering anhydrite plastering construction - Google Patents
Technology for plastering anhydrite plastering construction Download PDFInfo
- Publication number
- CN103790302A CN103790302A CN201410052117.4A CN201410052117A CN103790302A CN 103790302 A CN103790302 A CN 103790302A CN 201410052117 A CN201410052117 A CN 201410052117A CN 103790302 A CN103790302 A CN 103790302A
- Authority
- CN
- China
- Prior art keywords
- plastering
- gypsum
- mortar
- brushing gypsum
- bottom layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a technology for plastering anhydrite plastering construction. The technology includes the following steps: (1) conducting base processing; (2) preparing bottom layer plastering anhydrite mortar, and plastering the bottom layer plastering anhydrite mortar, wherein the thickness ranges from 1 mm to 5 mm, the mixing ratio of the bottom layer plastering anhydrite mortar is that water to bottom layer plastering anhydrite to sand is equal to 0.52:1:1, and the water-retention rate of the bottom layer plastering anhydrite is higher than 75%; (3) preparing surface layer plastering anhydrite mortar, and plastering the surface layer plastering anhydrite mortar when the bottom layer plastering anhydrite mortar is dried to the 6/10 to 7/10 degree, wherein the thickness ranges from 1 mm to 2 mm, the mixing ratio of the surface layer plastering anhydrite mortar is that water to surface layer plastering anhydrite is equal to 0.4:1, and the water-retention rate of the surface layer plastering anhydrite is higher than 90%. According to the technology, the plastering anhydrite is firmly combined with a base layer, the plastering thickness is reduced, labor and materials are saved, the construction efficiency is improved, cost is reduced, the working period is shortened, and the construction quality and the construction safety are guaranteed. The load of a construction structure is further reduced.
Description
Technical field
The present invention relates to the realm of building construction, relate in particular to a kind of brushing gypsum plastering construction technique.
Background technology
In highrise building, structure design adopts framework or frame shear wall structure more, and infilled wall is Aerated Concrete or prefabricated the light block.Structure construction adopts light face veneer or bamboo offset plate formwork more.Concrete surface is smooth, smooth, causes many illnesss of plastering quality.As: the hollowing of interior metope, plasterer, crack, even plasterer large area obscission; Hollowing, the crack of shear wall and infilled wall junction floated coat.
Interior metope, plasterer hollowing, crack, the reason coming off are many-sided, are that base treatment is bad because concrete surface is smooth with regard to its main cause of this type of engineering, and floated coat thickness is improper, floated coat be combined with substrate not firm due to.
Summary of the invention
The object of the invention is to solve the defect that above-mentioned prior art exists, a kind of new brushing gypsum plastering construction technique is provided.
A kind of brushing gypsum plastering construction technique, comprises the following steps:
(1), base treatment;
(2), preparation bottom layer brushing gypsum mortar, smear bottom layer brushing gypsum mortar, thickness is 1mm-5mm, when operation, application is defeated, to make bottom layer brushing gypsum mortar and basic unit's strong bonded; Described bottom layer brushing gypsum mix ratio of mortar is: water: bottom layer brushing gypsum: sand=0.52: 1: 1, described sand adopted the medium sand of average grain diameter at 0.35mm～0.5mm; The water retention of described bottom layer brushing gypsum is greater than 75%;
(3), preparation surface layer whitewash gypsum slurry, until bottom layer brushing gypsum mortar approximately six, seventy percent when dry, float coat brushing gypsum slurry, thickness is 1～2mm; Described surface layer whitewash gypsum slurry match ratio is: water: surface layer whitewash gypsum=0.4: 1; The water retention of described surface layer whitewash gypsum is greater than 90%.
Further, in step (3), the fineness of surface layer whitewash gypsum is in the percentage of sieve residue of 1.0mm and 0.2mm square hole screen, and should meet tailing over of 1.0mm square hole screen is that tailing over of 0,0.2mm square hole screen is less than or equal to 40.
Further, the rupture strength of surface layer whitewash gypsum is 3.0 MPas, and compressive strength is 6.0 MPas, and shear bonding strength is 0.4 MPa; The rupture strength of bottom layer brushing gypsum is 2.0 MPas, and compressive strength is 4.0 MPas, and shear bonding strength is 0.3 MPa.
Further, the initial setting time of brushing gypsum is not less than 60min, and final setting time should be not more than 8h.
Further, while preparing bottom layer brushing gypsum mortar, add sand again and stir after first water and bottom layer brushing gypsum being stirred in step 2, mixing time is controlled at 2～5min; While preparing surface layer whitewash gypsum slurry in step 3, first add water and add afterwards surface layer whitewash gypsum, mixing time is controlled at 2～5min.
Further, step 2 also comprises and when smearing bottom layer brushing gypsum mortar, pastes alkaline-resisting grid cloth.
Beneficial effect:
Brushing gypsum feature: be combined firmly with concrete, masonry basic unit, anti-cracking performance is good, and hardness is high, suitablely carries out thin plastering.
Main body construction basic unit advantage: Base Smoothness is good is to carry out thin precondition of plastering.
The combination of the two has reduced many unfavorable factors of base treatment.Improve floated coat and be combined firmly degree with substrate.
Technique of the present invention be combined with basic unit firmly, reduce depth of plastering, save labor and materials, improve efficiency of construction, reduce costs, the reduction of erection time, guaranteed workmanship and safety.More engineering structures has reduced load.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Introduce in detail technical scheme of the present invention by the specific embodiment below:
Embodiment 1:
The present embodiment is take plasterer as example, and its technological process comprises:
Bottom layer brushing gypsum ash → float coat brushing gypsum ash is prepared → smeared to scaffolding → bullet control line → base treatment → brushing gypsum mortar.
Particularly,
1), scaffolding: set up the tool-type scaffold of plastering, complete after scaffold floor, approximately, apart from the high 1.8 meters of left and right of top board, scaffold building meets plasterer, is convenient to again to walk frame on metope and plasters.
2), play control line: according to 50cm horizon, find out the surrounding horizontal line near the about 15cm of top board place, as the horizontal control line of ceiling plastering.
3), base treatment: first the concrete of protrusion is picked flatly, or polish with portable electric abrasive machine, and completely brush one times with wire brush, surface dirt, dirt are cleaned out.
4), brushing gypsum mortar preparation:
1. brushing gypsum proportioning of mortar, should adopt weight ratio, can be by following match ratio debugging, and surface layer whitewash gypsum slurry match ratio is: water: powder=0.4: 1; Bottom layer brushing gypsum mix ratio of mortar is: water: powder: sand=0.52: 1: 1;
2. mortar preparation should feed intake by test match ratio, strict measurement, and one time inventory should be by the amount being finished before initial set.
3., while stirring surface layer whitewash gypsum mortar, should first add water and add afterwards brushing gypsum; When Site bottom layer brushing gypsum mortar, after should be first water and brushing gypsum being stirred, add again sand and stir.
4. mixing time should be controlled at 2～5min.
5. stirring tool adopts portable electric agitator, and model is: J1Z-AF-16.
5), smear bottom layer brushing gypsum mortar: adopt bottom layer brushing gypsum mortar to carry out bottoming levelling, thickness is 1～5mm, and when operation, application is defeated, to make bottom ash and basic unit's strong bonded.In the time smearing bottom ash, detect bottom Hui Yao Shunping County with guiding ruler at any time.
6), float coat brushing gypsum ash: when dry, can carry out float coat brushing gypsum ash until bottom ash approximately six, seventy percent, thickness is 1～3mm, when float coat ash, detect at any time the face of plastering Shunping County in length and breadth with guiding ruler, and with plasterer's trowel press polish, compacting, smear and press direction to act in accordance with radiation direction.
Embodiment 2:
The present embodiment is take aerated concrete masonry wall plastering as example, and its technological process is:
Case, groove, the hole → brush gypsum mortar bottom ash of putting on powder of base treatment → subsides ash cake → smear cement baseboard → smear door and window saliva cement mortar corner protector → repair on the face of plastering a wall are pasted the alkaline-resisting grid cloth → brush plaster mat coat powder of putting on powder simultaneously.
Particularly,
1), base treatment: before plastering, check aerated concrete wall, to the head joint under piece loosening, that mortar is not full and beam, plate, closely knit with cement mortar filling.To expose the tongue ash scraping of metope, it is whole that chipping is picked at the protrusion position of metope.Recessed uneven place, metope hole, building block lack equipment installation groove stupefied arrisdefect and that pick cutter, hole, and the filling of application cement mortar is closely knit, smooth-going.The vertical missing and the planeness that check body of wall with cable inlet bracket, the base treatment of plastering is intact.
2), paste ash cake: detect vertical, the smooth situation of a metope different parts with cable inlet bracket, determine the quantity of ash cake with the actual height of metope.General ash cake spacing is advisable with 1.8 meters.Make the square ash cake of 50mm by cement mortar.Ash cake thickness reaches the requirement of verticality be advisable (generally with shearing metope same plane) to meet wall plastering.Upper and lower ash cake is looked for vertically with cable inlet bracket, and horizontal direction is with plaster ground or draw logical line levelling, first up and then down.Guarantee that the upper and lower ash cake of metope surface is in same plane.
3), smear cement mortar baseboard, dado: in the altitude range of smearing cement mortar, carry the previous day and with clear water, metope is spread and sunk in, dust, dirt are rinsed well.While plastering, first brush one times the TT glairin cement paste of mixing the water yield 10%, smear immediately 1: 3 cement mortar bottom ash, wiping the large thick stick of rear use strikes off, wood float is rubbed hair with the hands, reach five at bottom ash, sixty percent when dry, smear mat coat powder, floating, press polish by 1: 2.5 cement mortar, suitable for reading straight with guiding ruler cutting, and use drift angle press polish.After wall plastering completes, going out wall thickness should be consistent, be generally advisable to protrude metope grieshoch 5～7mm, but the way also having and metope one is flat, should construct by designing requirement.
4), smear door and window saliva cement mortar corner protector: the external corner of interior door window, post, metope external corner, all should smear cement mortar corner protector, the width of the every side bound edge of corner protector is not less than 30mm.Method of operating is still and first brushes one times the TT glairin cement paste of mixing the water yield 10%, uses immediately composite mortar bottoming in 1: 1: 6, and second time with cement mixing mortar and the ash cake levelling of 1: 0.5: 3.While making corner protector, first post guiding ruler in the one side of corner protector, another side ash is wiped, then guiding ruler is attached to another side, then smear this face ash.After mortar is slightly dry, smear into small round corner (smoothing out with the fingers son with pin iron) again with plain cement cream, corner protector thickness should exceed the thickness of a mat coat powder of metope bottom ash, concordant with metope grieshoch after surviving.
5), repair case, groove, the hole on the face of plastering a wall: when after bottom ash levelling, should immediately the bottom ash of the case of heating installation, electric fixtures, groove, cavity mouthful periphery 50mm be cleaned out, use 1: 1: 4 cement mixing mortar a mouthful periphery to be repaiied floating neat, upright, smooth, while plastering, exceed the thickness of a mat coat powder than metope bottom ash, guarantee that the finishing of groove, hole periphery is intact.
6), smear bottom layer brushing gypsum mortar bottom ash: generally should after subsides cake, carry out by 24h, smear bottom Hui Er road with bottom layer brushing gypsum mortar, thickness 5mm left and right, then strikes off the face of plastering according to ash cake with darby, rub into pitted skin with wood float, then use plasterer's trowel press polish.
7), paste alkaline-resisting grid cloth: paste alkaline-resisting grid cloth should with smear bottom ash and carry out simultaneously.Before construction, should first alkaline-resisting grid cloth be cut out by the segmentation of infilled wall height, grid cloth bound edge should be cut.While putting on powder brush gesso ash, first smear 2mm left and right thick, after having smeared the bottom ash that width, length be equivalent to grid cloth area, should alkaline-resisting grid cloth be pressed in the bottom ash of newly smearing with plasterer's trowel immediately, and then smear bottom ash one, grid cloth is daubed in bottom ash, and between grid cloth, lap width should be not less than 50mm, infilled wall and concrete wall junction, grid cloth should overlap 150mm with concrete wall surface, and starches and paste with brushing gypsum.
8), float coat brushing gypsum ash: when dry, can carry out float coat brushing gypsum ash until bottom ash approximately six, seventy percent, thickness is 1～2mm, when float coat ash, detect at any time the face of plastering Shunping County in length and breadth with guiding ruler, and with plasterer's trowel press polish, compacting, smear and press direction to act in accordance with radiation direction.
Embodiment 3:
The present embodiment is plastered as example with concrete wall surface, and its technological process is:
Base treatment → hang is straight, cover side, look for rule, subsides ash cake → smear door and window saliva cement mortar corner protector → smear cement baseboard, dado → smear cement window platen → repair case, groove, hole → put on powder and brush the gesso ash → brush plaster mat coat powder of putting on powder on the face of plastering a wall.
Particularly,
1), base treatment: first the concrete of protrusion is picked flatly, or polish with portable electric abrasive machine, and completely brush one times with wire brush, surface dirt, dirt are cleaned out.
2), hang straight, cover side, look for rule, subsides ash cake: according to smooth, the vertical situation of substrate surface, definite floated coat thickness after inspection, but the minimum 2mm that should not be less than.When metope convex-concave degree is larger, want hierarchical operations.With line pendant, square chi, draw the methods such as logical line to paste ash cake, find vertically with cable inlet bracket, lower ash cake is also as baseboard foundation.It is square that ash cake should be made 50mm with bottom layer brushing gypsum mortar, and level interval is about 1.8 meters of left and right.
3), smear door and window saliva cement mortar corner protector: according to ash cake, first door and window bicker and metope, cylinder male trowel should be gone out to cement corner protector; With cement mortar bottoming in 1: 3, after mortar is slightly dry, then smear into small round corner with plain cement cream.Also can make bright corner protector by 1: 2 cement mortar, corner protector thickness should exceed the thickness of a mat coat powder of metope bottom ash, concordant with metope grieshoch after surviving, its height, length are with height and the length of external corner, when every side width is not less than 50mm. and is less than 300mm as door and window mouth hem width degree, also can in the time of making cement corner protector, once complete.
4), smear cement baseboard, dado: in the altitude range of smearing cement mortar, brush one times the TT glairin cement paste of mixing the water yield 10%, smear immediately 1: 3 cement mortar bottom ash, use again 1: 2 cement mortar to smear mat coat powder, strike off and look for directly with large thick stick, then rub with the hands and put down with wood float, then use plasterer's trowel compacting, press polish.Suitable for reading straight with guiding ruler cutting, and use drift angle press polish.After wall plastering completes, going out wall thickness should be consistent, is generally advisable to protrude metope grieshoch 5～7mm, suitable for reading straight, smooth.After having smeared ash, note wet curing, prevent hollowing, crack.
5), smear cement window platen: first windowsill substrate is cleaned out, while being concrete as substrate, water is rinsed well again, brush one times the TT glairin cement paste of mixing the water yield 10%, smear immediately 1: 3 cement mortar bottom ash, thick about 10mm. reaches five at bottom ash, sixty percent when dry, smears mat coat powder by 1: 2.5 cement mortar, floating, press polish, end opening drift angle press polish; While being masonry as substrate, again repair by cement mortar with loosening building block that break, water irrigates, and then uses 1: 2: 3 pea gravel concrete paving real, and thickness is not thinner than 3cm.Brush again the TT glairin cement paste one of mixing the water yield 10% next day, followed by smearing 1: 2.5 cement screedn, compacting, press polish, water seasoning 2～3d, end opening requires straight, must not be jagged.
6), repair case, groove, the hole on the face of plastering a wall: before plastering, the case of heating installation, fire-fighting, electric fixtures, groove, cavity mouth should be repaiied and blocked up, and smear 1: 2.5 cement mortar frame at the periphery in case, hole, floating whole, compacting, press polish are wanted in surface, width 3～5cm, the surface of plastering is floating with metope ash, guarantees that case, the finishing of hole periphery are intact.
7), the brush gesso ash of putting on powder: according to the planeness of metope substrate, smear the levelling of bottom ash with bottom layer brushing gypsum mortar, about thickness 1～5mm, then all darbys strike off according to ash cake the face of plastering, then use plasterer's trowel levelling, compacting.
8), the brush plaster mat coat powder of putting on powder: when dry, can carry out float coat brushing gypsum ash until bottom ash approximately six, seventy percent, thickness is 1～2mm, when float coat ash, detect at any time the face of plastering Shunping County in length and breadth with guiding ruler, and with plasterer's trowel press polish, compacting, smear and press direction to act in accordance with radiation direction.
Main material:
One, brushing gypsum:
1, brushing gypsum is by its purpose classification, in table 1
2, mark: the order of mark is: product category, code name and standard No..
Example: surface layer whitewash gypsum mark is as follows: surface layer whitewash gypsum FJC/T517-2004
3, the technical requirements of brushing gypsum
1), fineness: the fineness of brushing gypsum is in the percentage of sieve residue of 1.0mm and 0.2mm square hole screen, and its value should meet the numerical value that table 22 stipulates.
2) time of setting: the initial setting time of brushing gypsum should be not less than 60min, final setting time should be not more than 8h.
3) operable time: the operable time of brushing gypsum should be not less than 30min.
4) water retention: the water retention of brushing gypsum should be not less than the numerical value that table 3 stipulates.
5) intensity: the intensity of brushing gypsum should be not less than the numerical value that table 4 stipulates.
Two, cement: 32.5Mpa and above slag cements or ordinary Portland cement, solid colour, should adopt the product of same lot number, reaches qualified through test mass.
Three, sand: the medium sand of average grain diameter 0.35～0.5mm, the hard cleaning of sand particle requirement, must not contain the hazardous substancess such as clay, grass roots, leaf, alkali matter and other organic matter.Sand should be crossed the sieve of different pore size before use according to requirements, is sieved for subsequent use.
Four, other material: TT glue, alkaline-resisting grid cloth etc., require quality necessary qualified.
Five, water: mixing water should be clean, preferably adopts drinking water, and water quality meets existing national standard " concrete mixing water quality standard " regulation (JGJ63-2006).
Six, main plant:
1, brushing gypsum mortar agitator: adopt diameter 700mm left and right, the iron sheet barrel of highly about 700mm left and right is for stirring, hold the container of brushing gypsum ash;
2, bucket: for the container of fetching water;
3, hand electric agitator, electric wire, socket: for stirring brushing gypsum ash;
4, hawk, plasterer's trowel, wood float, plastics trowel: for the handheld tool of plastering;
5, chi bar: the aid of plastering for external corner;
6, aluminum alloy square tube darby: strike off for plastering;
7, rice plaster ground: for detection of the planeness of the face of plastering;
8, square chi: for detection of the Founder at negative and positive angle;
9, iron spirit level: for determining and detection level line and face;
10, box chi, red and blue pencil, chalk line bag: for span, mark, bullet control line;
11, wire brush, bar broom, chisel, hammer: for cleaning basic unit's dust, pick the concrete that cutter protrudes.
12, portable electric abrasive machine: polish for concrete surface
13, insulating glove: for operating electric hand tool, prevent from getting an electric shock.
14, grey trolley, large grafter, little grafter: for clearing and removing refuse, have bad luck scaffold instrument and material tool.
6.2.15 the sieve in mortar mixer, 5mm and 2mm aperture, banister brush, watering can, little kettle, outside-corner trowel, inside-corner trowel, small round corner (angle iron) are smoothed out with the fingers son.
Quality control
1, quality specifications should be by " Code for construction quality acceptance of building decoration " (GB50210-2001) pertinent regulations execution.
2, after brushing gypsum is marched into the arena, must there be the product export quality certification and product inspection report list, and the visual inspection such as title to product, code name, nt wt net weight, strength grade, production licence numbering, production address, factory number, operative norm, date of manufacture, carry out sampling test simultaneously, after qualified, can use.Sampling, test method, carry out " brushing gypsum " JC/T517-2004 standard.
3, must be bonding between each floated coat and between floated coat and matrix firmly, without defects such as stratum disjunction, foaming, hollowing and crackings.
What 4, floated coat thickness was less than 5mm can directly use surface layer gypsum; Floated coat thickness is greater than 5mm can use bottom layer brushing gypsum mortar bottoming levelling, then uses surface layer whitewash gypsum cover.
5, plaster before surperficial press polish is used in final set and carry out, while pressing surface with finger, should not occur obvious impression, the press polish of application trowel, and check surfacing with guiding ruler at any time.The room that is greater than 4 meters for span, suitably arch camber of plasterer, springing height is generally 1 of span～2 ‰
6, plaster in process, the mortar under scraping, rubbing with the hands must not reclaim use.
7, plaster skin coat connect stubble should smooth, smooth, clean, solid colour.
8, winter construction should be carried out " construction work winter construction rules " pertinent regulations (JGJ104-97)
9, the damp rooms such as kitchen, washroom can not adopt brushing gypsum construction.
The present invention has following beneficial effect:
One, performance analysis:
1, economic benefit: take 5# building, happy home as example, carry out the brushing gypsum economic efficiency contrast of plastering with traditional handicraft of plastering.This project building area 12384m
2, it is 31545m that area is whitewashed on indoor wall, top
2.
2, brushing gypsum is plastered: the unit price of contracting to operation team is calculated as 12.5 yuan/m by the area of plastering
2(comprising work, material): total price is 12.5 yuan/m
2× 31545m2=394312.5 unit.
3, traditional handicraft is plastered: the unit price of contracting to operation team is calculated as by the area of plastering: the labour cost of plastering is 9 yuan/m
2, approximately 1.2 yuan/m of cost of materials
2, the expense of whitewashing is 3.5 yuan/m
2(job contract, construction materials contract valency): total cost is (9+1.2+3.5) unit/m
2× 31545m2=432166.5 unit.
4, economic efficiency contrast: 432166.5 yuan-394312.5 yuan=37854 yuan.
Pressing building area calculates: 37854 yuan of ÷ 12384m2=3.06 unit/m
2
In sum, brushing gypsum is saved 3.06 yuan/m than traditional plastering technique in economic benefit
2.
Two, environmental benefit:
Brushing gypsum is the material at factory's premixing, need only add water in building site and stir and can use, and compared with traditional plastering technique Site mortar, has greatly reduced environment pollution.Be conducive to environmental protection.
Three, social benefit:
Brushing gypsum effectively solved traditional cement mortar or composite mortar plaster the hollowing that exists, the common quality defect such as ftracture, come off, avoid the bad social influence bringing to enterprise because of qualitative problems of construction, also reduced to a great extent maintenance cost simultaneously.
Application example:
5# building, happiness home, construction drawing is built the rich Co., Ltd that designs by Beijing high energy and is designed, building area 12384m
2, underground two layers, 15 layers on the ground, agent structure is cast-in-situ steel reinforced concrete shear wall structure, ± 0.000 above infilled wall adopts Mu3.5 air-entrained concrete building block.This project in November, 2008 infilled wall build by laying bricks or stones complete, start to carry out interior painting in March, 2009, May in the same year, construction was complete, so far time of 2 years nearly, substantially do not find the tradition such as hollowing, the cracking common mass defect of plastering, customers' responsiveness is good, has obtained good Social benefit and economic benefit.
11# building, happiness home, construction drawing is built the rich Co., Ltd that designs by Beijing high energy and is designed, building area 9478m
2, underground two layers, eleventh floor on the ground, agent structure is cast-in-situ steel reinforced concrete shear wall structure, ± 0.000 above infilled wall adopts Mu3.5 air-entrained concrete building block.This project in January, 2010 infilled wall build by laying bricks or stones completely, start to carry out interior painting March in the same year, May, construction was complete, did not substantially find on inspection the mass defect such as hollowing, cracking, August in the same year, smoothly by final acceptance of construction.
Diamond garden 3-9#, 11#, 12#, 14# residential building building area 98011m
2, B1, eleventh floor on the ground, agent structure is cast-in-situ steel reinforced concrete shear wall structure, ± 0.000 above infilled wall adopts Mu3.5 air-entrained concrete building block.This project in April, 2010 infilled wall build by laying bricks or stones completely, start to carry out interior painting June in the same year, in-built employing brushing gypsum plastering construction technique.This project is complete in August construction, through Construction unit, supervisor's joint inspection, does not substantially find the tradition such as hollowing, the cracking common mass defect of plastering, smoothly by examination.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a brushing gypsum plastering construction technique, is characterized in that, comprises the following steps:
(1), base treatment;
(2), preparation bottom layer brushing gypsum mortar, smear bottom layer brushing gypsum mortar, thickness is 1mm-5mm, when operation, application is defeated, to make bottom layer brushing gypsum mortar and basic unit's strong bonded; Described bottom layer brushing gypsum mix ratio of mortar is: water: bottom layer brushing gypsum: sand=0.52: 1: 1, described sand adopted the medium sand of average grain diameter at 0.35mm～0.5mm; The water retention of described bottom layer brushing gypsum is greater than 75%;
(3), preparation surface layer whitewash gypsum slurry, until bottom layer brushing gypsum mortar approximately six, seventy percent when dry, float coat brushing gypsum slurry, thickness is 1mm～3mm; Described surface layer whitewash gypsum slurry match ratio is: water: surface layer whitewash gypsum=0.4: 1; The water retention of described surface layer whitewash gypsum is greater than 90%.
2. brushing gypsum plastering construction technique according to claim 1, it is characterized in that, in step (3), the fineness of surface layer whitewash gypsum is in the percentage of sieve residue of 1.0mm and 0.2mm square hole screen, should meet tailing over of 1.0mm square hole screen is that tailing over of 0,0.2mm square hole screen is less than or equal to 40.
3. brushing gypsum plastering construction technique according to claim 1, is characterized in that, the rupture strength of surface layer whitewash gypsum is 3.0 MPas, and compressive strength is 6.0 MPas, and shear bonding strength is 0.4 MPa; The rupture strength of bottom layer brushing gypsum is 2.0 MPas, and compressive strength is 4.0 MPas, and shear bonding strength is 0.3 MPa.
4. brushing gypsum plastering construction technique according to claim 1, is characterized in that, the initial setting time of brushing gypsum is not less than 60min, and final setting time should be not more than 8h.
5. brushing gypsum plastering construction technique according to claim 1, is characterized in that, while preparing bottom layer brushing gypsum mortar, adds sand again and stir after first water and bottom layer brushing gypsum being stirred in step 2, and mixing time is controlled at 2～5min; While preparing surface layer whitewash gypsum slurry in step 3, first add water and add afterwards surface layer whitewash gypsum, mixing time is controlled at 2～5min.
6. brushing gypsum plastering construction technique according to claim 1, is characterized in that, step 2 also comprises pastes alkaline-resisting grid cloth when smearing bottom layer brushing gypsum mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410052117.4A CN103790302A (en) | 2014-02-17 | 2014-02-17 | Technology for plastering anhydrite plastering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410052117.4A CN103790302A (en) | 2014-02-17 | 2014-02-17 | Technology for plastering anhydrite plastering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103790302A true CN103790302A (en) | 2014-05-14 |
Family
ID=50666318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410052117.4A Pending CN103790302A (en) | 2014-02-17 | 2014-02-17 | Technology for plastering anhydrite plastering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790302A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040043682A1 (en) * | 2002-09-04 | 2004-03-04 | Taylor Steven L. | Composite board |
| US20040126602A1 (en) * | 2002-12-27 | 2004-07-01 | Wallner Christine E. | Cementitious veneer and laminate material |
| CN101062859A (en) * | 2007-06-11 | 2007-10-31 | 赵云龙 | Wall heat-insulating rubber powder material and preparation method and using method thereof |
| CN101649149A (en) * | 2009-09-17 | 2010-02-17 | 江苏尼高科技有限公司 | Internal thermal insulation system of thermal insulation board exposed wall and used interface agent and preparation method thereof |
-
2014
- 2014-02-17 CN CN201410052117.4A patent/CN103790302A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040043682A1 (en) * | 2002-09-04 | 2004-03-04 | Taylor Steven L. | Composite board |
| US20040126602A1 (en) * | 2002-12-27 | 2004-07-01 | Wallner Christine E. | Cementitious veneer and laminate material |
| CN101062859A (en) * | 2007-06-11 | 2007-10-31 | 赵云龙 | Wall heat-insulating rubber powder material and preparation method and using method thereof |
| CN101649149A (en) * | 2009-09-17 | 2010-02-17 | 江苏尼高科技有限公司 | Internal thermal insulation system of thermal insulation board exposed wall and used interface agent and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 北京土木建筑学会: "《建筑装饰装修工程施工技术交底记录详解》", 31 August 2009, 华中科技大学出版社 * |
| 谢征薇，王京升，徐伟: "粉刷石膏饰面施工方法", 《建筑工人》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101886460B (en) | Press polishing method of plastered mesh cloth of inner wall | |
| CN106284929B (en) | A kind of anti-hollowing edge patch construction method of furring tile | |
| CN101565997A (en) | Construction method for large-area irregular floor tile | |
| CN107254954A (en) | Ground paving ceramic tile construction technology | |
| CN103572845B (en) | A kind of insulation clay reflective heat-insulation paint exterior wall heat-preserving system and construction technology thereof | |
| CN109653529A (en) | Historical building clean water brick wall repairs construction method | |
| CN103321442A (en) | Self-compensating repair structure and process for internal stress cracking of inner wall heat insulating wall surface | |
| CN104018598A (en) | Outer wall structure and construction and installation method | |
| CN102505831A (en) | Construction method for paving plasters on ground and manmade stone | |
| CN109797920B (en) | Indoor decoration construction method | |
| CN109025343A (en) | A kind of hollowing displacement repairerment engineering method of hollowing outdoor tile | |
| CN105399389A (en) | Building inner wall whitewashing gypsum and process flow thereof | |
| CN102400525B (en) | Thin-layer plastering method for autoclaved aerated concrete block wall bodies | |
| CN101942905B (en) | Method for treating assembly-type floorslab cracks | |
| CN106284998A (en) | Plastering on inner walls completely spreads fiberglass gridding cloth construction method | |
| CN110761507A (en) | Construction method of external wall chopped false stone | |
| CN113006397A (en) | Construction method for square leveling of kitchen and bathroom space | |
| CN103291024B (en) | A kind of construction method of novel cement-based motar | |
| CN102888959B (en) | A kind of dry powder and mortar External Wall carries out the method for constructing | |
| CN104120860A (en) | Construction method for cement mortar ground leveling | |
| CN110306819B (en) | Method for repairing red brick outer wall of historic building | |
| CN109853888A (en) | A kind of historical building plucking wall surface construction technology | |
| CN105888084A (en) | Whole outer wall internal thermal insulation system construction method by using enhanced composite thermal insulation material | |
| CN203834826U (en) | Novel staircase water drip tank | |
| CN110005174A (en) | Improve the construction method of Machine-blasting mortar plastering quality |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: SHIJIAZHUANG CONSTRUCTION GROUP CO., LTD. Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |