Summary of the invention
The purpose of the present invention is to provide a kind of Self-leveling and PVC plastic floor construction methods, to solve existing PVC plasticThe biggish overscale problems of standard difference and mortar ground between mortar ground existing for floor construction mode and PVC plastic adhesive floorFlatness and the relatively not high problem of the standard of absolute altitude.
To achieve the above object, The technical solution adopted by the invention is as follows:
Self-leveling and PVC plastic floor construction method, include the following steps:
(1) dry-mixed mortar screed-coat is laid with dry-mixed mortar screed-coat on base layer structure face；
(2) auto-flowing floor base cleaning polishes comprehensively to the levelling layer surface of dry-mixed mortar with sand blasting polisher, willThe terrace at superelevation position is polishing within the scope of the flatness less than 3mm, pushes away the ground that cleaning was roughly ground with dust catcher and dirt；SoReplacement grinding wheel is once refining ground afterwards；In addition to field ground reserve expansion joint add fill foam strip after use sealantFeng Ping；To refining after processed ground carries out careful keep a public place clean, it is watered with Henkel R77 function interface inorganic agent 1:1, withThe dosage of 200g/m2 will uniformly blend the interfacial agents finished with wool roller and carry out back cover to terrace, to reduce the suction of baseThe adhesive force of the property received and enhancing interface；The corner parts in place carry out sufficient roller coating with special cylinder；
(3) auto-flowing floor is constructed, and according to the ratio of every 25kg Henkel AGLDD Self-leveling and 6.5 liters of water, Self-leveling is stirredAfter mixing uniformly, auto-flowing floor base cleaning and natural air drying after five minutes, carry out auto-flowing floor construction, when construction, with gravity flowFlat primary and secondary scraper plate continuously drape over one's shoulders and is scraped, to control the integral thickness of Self-leveling；Drape over one's shoulders scrape during, worn by special workerPulp noodle of the nail shoes with wolf's fang roller roll forming Self-leveling, to control the generation of bubble and pitted skin, interface height difference；
(4) snap the line, after auto-flowing floor is constructed, after conserving 24 hours in the case where 20 DEG C of temperature indoors, strongDegree has reached on the auto-flowing floor of requirement, by room according to the size of plastic plate, the paving position for plastic plate of arranging out, andTen word control lines and frame bar are popped up on ground；It should be noted that, by overall beautiful requirement, the plate-laying of corner requires >=1/2 when explorationPlate, and will not be that the plastic floor of integral multiple is arranged in the non-of room and faces place；
(5) examination paving, before paving plastic floor, first carries out examination paving by the position location of snap the line, and do on plastic floorGood label；During trying paving, it is completed at the same time the selection of plastic floor；
(6) PVC plastic adhesive floor paving, the position for being laid with plastic floor are cleared up, after completing cleaning, with being laid with plastic cementOne of thin and even primer of brush on the position of plate, primer brushing are less than 1mm beyond frame bar 10mm or so, brushing thickness；Paving modelingIt is laid with cross control panel according to ten good word control lines of bullet when adhesive floor, later according still further to the paving around of cross control panel；ModelingWhen adhesive floor paving, plastic cement back is cleaned with dry cloth, and brushes one of glue at the back side of plastic floor；With pasting plastic cementWhen plate, doing to glue to not touching with one's hand is advisable, and carries out paving by the good line of ink marker of bullet, paving it is primary it is accurate in place, blend rubber hammer strikesIt beats closely knit, prevents bulge, pastes not tight phenomenon and occur；
(7) skirt paving after PVC plastic adhesive floor is installed, installs stainless steel skirting board according to design requirement；
(8) polishing is waxed, soft with half dry and wet again after being given a dinner of welcome with dust catcher after the completion of completion PVC plastic adhesive floor is integrally mated formationRag is cleaned, and 2 times protections of after waxing processing is scrubbed.
Preferably, in step (1), the construction of dry-mixed mortar screed-coat the following steps are included:
Step 1: cleaning base: first the concrete chisel of the mortar remained on flooring, loosening is destroyed with drill rod or axe,The floating ash removed on ground is cleaned with besom, is being rinsed well base with water, and base is moistened, and guarantees to starch in cement peastone solidifyingWhen knot, base's water suction saturation；
Step 2: beating ash cake, floating screed: according to metope bullet horizontal line, on ground, surrounding does ash cake, and then wiring is hitBetween ash cake, with dry cement peastone slurry doing floating screed, floating screed spacing 1.5m or so, ash cake, floating screed are conserved after finishing；
Step 3: brush cement slurry binder course: before brush cement slurry, the ponding in base being cleaned up, cement pulp-waterGrey mass ratio is 0.4~0.5, and 107 glue of interior infiltration 10% uniformly brush each two with bamboo besom in length and breadth；
Step 4: the levelling layer operation of dry-mixed mortar: dry-mixed mortar is equably spread between two floating screeds, it is higher than floating screed face,Then with iron roller, grinding compacting is subject to floating screed and strikes off, makes real repeatedly, after surface moisture is slightly dry, is polished with wooden float,Sand holes, pit, footprint polish off, levelling, operation of drawing back after operator has polished in operative radius, in cement initial setIt completes before；
Step 5: first pass smears pressure: after mortar initial set, i.e., smearing first pass with plasterer's trowel pressure, people station has above at this timeFootprint but do not sink, people with cement paper bag wraps up in smooth plank feet, do not leak pressure, pit, sand holes and the footprint stepped on will fill up pressureIt is flat；
Step 6: second time is smeared pressure: before mortar closes on final set, people has stepped on subtle footprint at this time, smears nothing when examination and smearsWhen line, that is, smear pressure second time, what is left when pressure first pass press polish smears the floating such as line, pore, reach surfacing, secret room,Smooth nothing smears line；Mortar surface is pulled into hair side with tool again；
Step 7: maintenance: uniform sprinkling makes cement peastone slurry surface form one layer of " paste after mortar final set 24 hoursShape " conservation layer is kept the skin wet in due course depending on climatic condition to guarantee that conservation layer coating is in uniformly wet shape always during maintenanceState, feeding family time are no less than 7 days.
Preferably, in step (6), during PVC plastic adhesive floor paving, 2m guiding ruler and horizontal ruler inspection are used at any timeFlatness can be welded using " oblique groove " for some parts to be spliced together or " V-arrangement " interface is handled by the way of weldingSpliced.
Preferably, the dry-mixed mortar screed-coat of preparation is with a thickness of 20mm, and the auto-flowing floor of preparation is with a thickness of 3mm；The PVC plastic floor covering of preparation is with a thickness of 3mm.
Compared with prior art, the invention has the following advantages:
The present invention carries out structure flooring using mortar levelling, then is carried out to mortar levelling layer with auto-flowing floor secondaryIt is levelling, finally the preferable PVC plastic adhesive floor of wearability is pasted on ground；It is excessive by middle layer twice, from structure reinforcing barsConcrete building ground flat degree, absolute altitude etc. require relatively low to reach the relatively high requirement of PVC plastic adhesive floor；Using sandIt is preferable to starch floor leveling layer bearing capacity, can be very good the base as PVC plastic adhesive floor；Auto-flowing floor then very good solutionBiggish overscale problems of standard difference between mortar ground and PVC plastic adhesive floor；And PVC plastic floor covering then solves wellMortar ground flatness of having determined and the relatively not high problem of the standard of absolute altitude, to effectively avoid trachoma, cracking hollowing etc. not beautifulSight problem, while also solving wear-resisting, the durability issues of auto-flowing floor.
Embodiment
The project that the present embodiment is related to be middle Air China send out R&D Headquarters, Sichuan gas turbine research institute construction project (main body andDecorative engineering), project site is located at Chengdu Xindu District new capital town colleague road and good luck main road intersection, thing plot.This itemMesh be Sichuan Province, Chengdu, Xindu District three-level key project, by 1 19 floor office building, 18 floor office building, 12 floor dining room,The academic exchange center of 1 single layer, 1 layer of basement composition.East side is that china life insurance researches institute.Overall floorage66282.27 square metres, building height be respectively as follows: 82.450 (fire-fighting height), 38.40 (fire-fighting height), 10.025m (ground withUpper height), 9.60m (height above ground level).Engineering primary decoration way: exterior wall is aided with based on glass curtain wall, stone curtain wallChadless aluminium sheet exterior wall, liquid granite etc.；Interior wall is in the majority with inorganic coating, emulsion paint, and entrance hall, elevator hall etc. are mostly claddingStone wall surface, the metopes such as the conference hall Ye You Soft Roll, Hard Roll；With PVC glue is most on ground, and there are also entrance hall stone floors, conference hallCarpet, dining room ground brick flooring etc.；Top surface is then most with plasterboard ceiling, also there is imitative wood-grain aluminum board, aluminium grid ceiling etc..
This project PVC plastic floor project amount is larger, and nearly 3.8 ten thousand square metres of total amount, reality of the construction effect to engineeringDecorations influential effect is very big.
The present embodiment project construction process is as shown in Figure 1, the Self-leveling and PVC plastic floor panel structure such as Fig. 2 that construction is completedIt is shown, including from top to down plastic floor surface layer 1, from advection ground 2, cement mortar screeding face 3, foundation structure face 4.
One, the present embodiment project Specific construction process is as follows:
1.1, construction process
Dry-mixed mortar construction of leveling blanket (cleaning base → look for absolute altitude, snap the line → watering be wet → plaster cake and mark muscle → brushCement slurry binder course → mortar levelling layer → wooden float rubs flat → plasterer's trowel pressure first pass → the second time press polish → third with the hands all over press polish→ maintenance) → auto-flowing floor base cleaning → auto-flowing floor construction → snap the line → examination paving → brush primer → PVC plastic adhesive floorPaving → skirt paving → polishing waxing
2, key points for operation
2.1, dry-mixed mortar construction of leveling blanket:
2.1.1, clear up base: first being destroyed the chisels such as concrete of the mortar remained on flooring, loosening with drill rod or axe,It is cleaned with besom (broom) except the floating ash on ground, base is being rinsed well with water, and base is moistened, guaranteed in cement peastoneWhen slurry condensation, base's water suction saturation.
2.1.2, beat ash cake, floating screed: according to metope bullet horizontal line, on ground, surrounding does ash cake, and then wiring is hitBetween ash cake, with dry cement peastone slurry doing floating screed, floating screed spacing 1.5m or so.After finishing should in time to ash cake, floating screed intoRow maintenance
2.1.3, brush cement slurry binder course: before brush plain-water slurry, the ponding in base should be cleaned up, plain cementPulp-water gray scale is 0.4~0.5, and 107 glue of interior infiltration 10% uniformly brush each two with bamboo besom (broom), a brushing surface in length and breadthProduct should not be too large, and accomplish with brush with doing dry-mixed mortar screed-coat.
2.1.4, the levelling layer operation of dry-mixed mortar:
1) dry-mixed mortar match ratio meets design requirement, and each raw material, which are both needed to qualified rear on inspection, can be used；
2) dry-mixed mortar mixing and stirring and transporting: dry-mixed mortar siccative by transporting after supplier's uniform mixing to operating scene,It must be contained with closed container；Scene is stirred after adding water by operating instruction, becomes ground mortar material；
3) dry-mixed mortar is equably first spread between two floating screeds when operating, it is more slightly higher than floating screed face, it is then anti-with iron rollerMultiple grinding compacting is subject to floating screed and strikes off, makes real, and after surface moisture is slightly dry (forbidding being absorbed water with cement powder, it is dry to urge), uses wooden floatPolishing, it is desirable that sand holes, pit, footprint are polished off, operator is levelling after having polished in operative radius, and draw back behaviourMake, is completed before cement initial set
4) first pass smears pressure: after mortar initial set, i.e., available plasterer's trowel pressure smears first pass, and (people station has footprint above at this timeBut not sagging, people wraps up in smooth plank feet with cement paper bag), it is desirable that pressure is not leaked, and pit, sand holes and the footprint stepped on will fill up pressureIt is flat；
5) smear pressure second time: before mortar closes on final set, people has stepped on subtle footprint at this time, when examination is smeared without line is smeared,Pressure can be smeared second time, when pressure puts forth one's strength somewhat larger, and what is left when first pass press polish smears the floating such as line, pore, reaches surfaceSmooth, secret room, smooth nothing smear line；Mortar surface is pulled into hair side with tool again
6) it conserves: generally with sawdust, straw screen or mat or flyash maintenance, one layer of 10mm thickness is paved with after mortar final set 24 hoursConservation layer (sawdust or straw screen or mat, flyash), then uniform sprinkling make cement peastone slurry surface formed one layer of " paste " conservation layer.It is kept the skin wet in due course depending on climatic condition to guarantee that conservation layer coating is in uniform moisture state, curing time always during maintenanceNo less than 7 days.
2.2, Self-leveling base treatment: carrying out coarse grinding treatment on the ground for completing screed-coat first, entirely mixed to ensureThe adhesive force of solidifying Soil Interface.It is polished comprehensively with sand blasting polisher concrete building ground, the terrace at superelevation position is polished(it is less than 3mm) within to the allowed band of flatness, pushes away the ground that cleaning was roughly ground with dust catcher and dirt；Then grinding wheel pair is replacedIt is once being refined on ground；In addition the expansion joint reserved to field ground adds fill foam strip after it is flat with sealant sealing.
2.3, it interface processing: to refining after processed ground carries out careful keep a public place clean, is handled with Henkel R77 function interfaceAgent 1:1 is watered, and will uniformly be blent the interfacial agents finished with wool roller with the dosage of 200g/m2 and is carried out back cover to terrace, withReduce the absorbability of base and the adhesive force at enhancing interface；The corner parts in place carry out sufficient roller coating, In with special cylinderIn the case where natural air drying, waiting can carry out Self-leveling construction after five minutes.
2.4, the construction of Self-leveling: according to the ratio of every 25kg Henkel AGLDD Self-leveling and 6.5 liters of water, Self-leveling is stirredAfter mixing uniformly, Self-leveling construction is carried out on processed terrace.When construction, continuously draped over one's shoulders with Self-leveling primary and secondary scraper plateIt scrapes, to control the integral thickness of Self-leveling；Drape over one's shoulders scrape during, nail shoes wolf's fang roller roll forming is worn by special workerThe pulp noodle of Self-leveling, to control the generation of bubble and pitted skin, interface height difference.
After Self-leveling integral construction, after conserving 24 hours in the case where temperature 200C indoors, people's progress can be gone upPlastic floor paving.
2.5, positioning, snap the line lattice: on the auto-flowing floor that intensity has reached requirement, by room according to plastic plateSize, the paving position for plastic plate of arranging out, and ten word control lines and frame bar are popped up on ground.Should be noted that when snap the line will be wholeBeautiful requirement, the plate-laying of corner require >=1/2 plate, and will not be that the plastic floor of integral multiple is arranged in the non-of room and facesPlace.
2.6, examination paving plastic floor: before paving plastic floor, examination paving is first carried out by the position location of snap the line, and in plastic cementIt is marked on floor；During trying paving, it is completed at the same time the selection of plastic floor.
2.7, brush primer: before plastic floor is formally laid with, then clearing up substrate, after completing cleaning, in Self-leveling baseBrush thin and even primer together on bottom, when primer brushing, area be should not be too large, be with brush with patch.Simultaneously it should be noted that primer brushingShould be beyond frame bar 10mm or so, brushing thickness answers small 1mm.
2.8, it spreads plastic floor: being laid with cross control panel, Zhi Houzai according to ten good word control lines of bullet when paving plastic floorAccording to the paving around of cross control panel.When plastic floor paving, plastic cement back is cleaned with dry cloth, is being laid with plastic floorPosition respectively brushed with the back side of plastic floor together with glue.When pasting plastic floor, doing to glue to not touching with one's hand is advisable, by bulletThe good line of ink marker carries out paving, paving should it is once accurate blend rubber hammer beats closely knit in place, prevent bulge, paste not tight showAs occurring.
During plastic floor paving, flatness is checked with 2m guiding ruler and horizontal ruler at any time.Some are needed to splicePart, (general upper to handle using " oblique groove " overlap joint with " V-arrangement " interface) can be spliced by the way of welding.
In addition: the paving for plastic coil floor: in advance according to the installation of membrane direction mapped out and room-sizedCut out material, by the serial number of paving, when paving, according to control line position by the alignment on one side of coiled material bullet dimension line, put downIt paves, catches up with concora crush real in side mouth toward both sides rolling wheel from intermediate after paving, prevented drum；When the second layer coiled material of paving, useMethod that overlapped is more than seam crossing lap width 20mm, and to good floral designs, the snap the line among overlapped is pressed in Steel RulerOn line, the coiled material of overlapping is once cut off with cutter special；When entire plastic floor face is completed, it is desirable that connected smoothly, no to lineVolume is not stuck up.
2.9, after plastic floor is installed, stainless steel skirting board is installed according to design requirement.
2.10, it after the completion of completion plastic floor is integrally mated formation, is wiped again with the soft rag of half dry and wet after being given a dinner of welcome with dust catcherIt washes, scrubs 2 times protections of after waxing processing.
Two, the material being related in the present embodiment:
1, material:
1.1, M20 dry-mixed mortar；
1.2, Henkel AGLDD Self-leveling；
1.2, PVC plastic adhesive floor: the kind of plate and coiled material, specification, color, grade should meet design requirement and existing stateThe regulation of family's standard.
1.3, adhesive: vinyl, neoprene class, polyamine can be selected according to base and plastic floor and execution conditionsEster, epoxy resin, building adhesive etc..Selected adhesive must determine its applicability and application method by testing.
2, main equipment: trolley, wooden float, plasterer's trowel, splits seam scraper-trough conveyer, watering can, spade, breaker, long at Mu Gua societyBrush, broom, wire brush, chalk line packet, chisel, hammer.
Plastic plate block welding machine, meter, drum, keg, steel ruler, horizontal ruler, small line, rubber roller, brush etc..
Three, the quality control method that the present embodiment is taken:
1, the combination of ground surface layer and base must be securely without hollowing.
2, phenomena such as clean surface, flawless, decortication, pitted skin and dusting.
3, floor drain and there is the ground of slope requirement, the gradient should meet design requirement, not flashing, and no ponding is non-leakage, withFloor drain junction is tightly smooth.
4, must assure that: kind, specification, the color of plastic floor meet design and standard regulation, plastic floor and baseIt is firmly bonded, not alice, not degumming, overflow adhesive.
5, strict control: plastic floor clean surface, clear patterns, color are consistent, seam is tight；Edge joint position lines kissIt closes, no glue trace；Fringing size is accurate, corner is neat.
6, quality tolerance table:
Four, the safety measure that the present embodiment is taken:
1, the items of owner's dependant security technology regulation and city in relation to labour protection and safety in production are conscientiously carried outPolicy, decree.
2, safety in production work responsibility system is established in construction site step by step, establishes and improve headed by project manager, each engineer,The safety assurance system of class monitor and group leader's composition realizes scene leader's watch system, and the moment puts production safety management work in the first place.Scene sets full-time security official, and each teams and groups set part-time security official, and follow-up investigations site safety situation is timely to various security risksIt was found that and eliminating；Safety responsibility is implemented, simultaneously strict implement system of awards and penalties is formulated.
3, reinforce the education in safe production methods weekly to employee, and carry out safety training, safe practice is told somebody what one's real intentions are, and is firmly establishedThe idea of " Safety first, precaution crucial ", arrange construction production before, it is necessary to carry out safety tells somebody what one's real intentions are, construction production when, examine at any timeSecurity system implementation of conditions are looked into, " rewarding and punishing " dynamics is reinforced.
4, there are apparent safety sign, safe placard in construction site, night has sufficient on the main traffic routesIllumination is directly used in the headlamp of operation using 36V low-voltage explosion-proof portable lamp.
All progress Field Force must proper use of safety cap, safety belt, security protection articles.
5, all personnel carries out is on duty system with chest card, and handles the pertinent certificate of site requirement, and special work post includes electricityWork, welder etc. should all examine and take appointment with certificate, and the respective specialty safety regulations for technical operation of strict implement, forbid laymanIt goes on duty without relative certificate, forbids to give directions against regulations, operate against regulations.
6, live temporary electricity will require to be laid with according to owner, forbid disorderly to connect, random pull the wire, and various electrical equipments should all matchEarth leakage protective device is set, layman must not contact all kinds of electrical equipments.
7, it must be computed formulation arrangement and method for construction, approved to execute through field engineer, strictly held by scheme and security regulationsRow.
Five, the environmental protection measure that the present embodiment is taken:
1, to create civilized construction demonstration building site as target, modern-style construction responsibility system is implemented, by civilized construction and workCheng Zhiliang, safety are placed on par, carry out civilized construction.
2, site operation equipment must be laid by general arrangement plan specified position, the classification gauges such as tool, material, semi-finished productLattice are neatly stacked.
3, construction water, electricity, pipeline installation have to comply with regulation, and mounting arrangement is neat, forbids any bracing wire, connects electricity, nightBetween construction must have enough illuminations.
4, on-site working production equipment should keep it is clean and tidy, beautiful, daily knock off before answer timely clearing and retrieving to be scattered materialAnd tool, accomplish that the complete material of work is clear, who does, and who is clear, place is clean and tidy, connection is carried out with environmental sanitation to building waste and is cleared in time.
5, scene sets special messenger and is responsible for safeguarding work, and non-construction personnel is forbidden to enter, and tool materials disengaging field must accord withRegulation formality is closed, has anti-theft measure to financial equipment.
Above-described embodiment is only one of the preferred embodiments of the invention, should not be taken to limit protection model of the inventionIt encloses, as long as in subject of the present invention design philosophy and mentally making skimble-skamble change or polishing, the technology solvedProblem is still consistent with the present invention, should all be included within protection scope of the present invention.