CN108947464A - A kind of ground surface layer and its construction technology based on phosphorus magnesium material - Google Patents
A kind of ground surface layer and its construction technology based on phosphorus magnesium material Download PDFInfo
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- CN108947464A CN108947464A CN201810797253.4A CN201810797253A CN108947464A CN 108947464 A CN108947464 A CN 108947464A CN 201810797253 A CN201810797253 A CN 201810797253A CN 108947464 A CN108947464 A CN 108947464A
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- surface layer
- phosphorus magnesium
- magnesium material
- phosphorus
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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
- C04B28/34—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 cold phosphate binders
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/60—Flooring materials
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to terrace technical field, specifically a kind of ground surface layer and its construction technology based on phosphorus magnesium material.Ground surface layer based on phosphorus magnesium material of the invention, by the way that magnesium phosphate cement, additive, admixture, pigment, aggregate are mixed according to special ratios, it is combined into the ground surface layer based on phosphorus magnesium material, ground surface layer based on phosphorus magnesium material of the invention has high-strength wearable adhesive property, and it can construct at any time, not will form construction joint；Volatile organic compounds (VOC) content is zero, there is very strong fire resistance；It is early strong, setting time is fast, curing time is short, mechanical strength is high, not easy to crack, fold resistance is strong, the wear-resisting and construction period short can come into operation in time.And the present invention uses laser paver Paving Techniques, and the ground flattened using precise laser paver making, ground flat degree and levelness can improve 3 times or more, compactness and intensity can improve 20% or more, work efficiency can also be improved simultaneously, saved manually, made matrix homogeneous, the densification of entire making.
Description
Technical field
The present invention relates to terrace technical field, specifically a kind of ground surface layer and its construction technology based on phosphorus magnesium material.
Background technique
Currently, at home garage or parking lot, storehouse, market place builet below the ground, workshop, plant area etc. have to flooring intensity it is higher
It is required that terrace substantially have following three kinds: 1. most of is placing and troweling mattess；2. some is using in concrete surface
Add hardened material, the abrasion-resistant concrete ground of mechanical troweling production；3. also some does epoxy or poly- ammonia on concrete base layer
Ester Self-leveling abrasion-resistant ground.
In above-mentioned three kinds of ground, the first is traditional method, and crack, peeling, dusting all occur, and some is even suitable
Seriously, it is repeatedly repaired after use, crack is still difficult to eliminate, and causes surface relief injustice, shade not due to often repairing
One, not only unsightly, but also influence uses and the construction period is long.Second and third kind of ground be recent years occur new approach, peeling,
Dusting phenomenon makes moderate progress, and any surface finish, flatness, wear-resisting property also improve to some extent, but crack phenomenon cannot still be eliminated.Epoxy
Or the flat abrasion-resistant ground any surface finish of polyurethane gravity flow self is wear-resisting, but its flatness places one's entire reliance upon the flatness of concrete base layer, thoroughly
Gas is poor, high to base water content requirement, such as control it is bad be easy to appear hollowing, skin effect phenomenon, early strength is low, the presetting period
Longer, operational procedure is complicated and scratch easily occurs in surface, and engineering design requirements are not achieved in anti-skidding, wear-resisting property.
Therefore, it finds that a kind of mechanical strength is high, not easy to crack, fold resistance is strong, wear-resisting, is easy to construct and the duration is shorter
Ground surface layer is the task of top priority.
Summary of the invention
In order to solve the above technical problems existing in the prior art, the present invention provides a kind of ground based on phosphorus magnesium material
Surface layer and its construction technology.
A kind of ground surface layer based on phosphorus magnesium material, including phosphorus magnesium screed-coat and phosphorus magnesium surface layer, the phosphorus magnesium screed-coat with
Phosphorus magnesium surface layer is grouped as by each group of following mass fraction:
Preferably, the magnesium phosphate cement, be by dead burned magnesia and monoammonium phosphate by weight: (1-4.5): 1 is mixed
The mixture obtained after conjunction.It is further preferred that the dead burned magnesia is 1600 DEG C or more burnt magnesite, oxidation
Content of magnesium is 88%-95%, and fineness is 80-400 mesh；The monoammonium phosphate is industrial grade monoammonium phosphate, and nutrient is not less than
58%, fineness is 60-400 mesh.The purity of magnesium phosphate cement is higher at this time, and fineness is relatively mild, and caking property is also preferable, and gained produces
The hardness and wearability of product are preferable.
Preferably, the additive is retarder, defoaming agent and water-reducing agent, and wherein retarder is borax or boric acid.Into one
Step is preferred, and the borax or boric acid are technical grade, and purity is not less than 95% with mass percent, and fineness is 60-400 mesh.This
When borax or boric acid purity it is higher, fineness is also relatively mild.
Preferably, the defoaming agent is organic silicon powder defoaming agent, and organic silicon powder defoaming agent surface tension is small, table
Face activity is high, and defoaming power is strong, and dosage is few, at low cost, it is not miscible with water and most organic matters, equal to most of bubble media
It can defoaming.It has preferable thermal stability, can use within the scope of 5 DEG C -150 DEG C broad temperature；Its chemical stability compared with
It is good, it is difficult to be used in acid, alkali, salting liquid, lossless product quality with other substance reactions as long as configuration is appropriate；It also has
Physiological inertia LD250g/Kg mouse is commonly used in food and medicine industry.It is to all bubble systems with foam inhibition, brokenly bubble function
Can, it is subordinate to broad spectrum type defoaming agent scope.
Preferably, the admixture is flyash, metakaolin mixture, wherein flyash: metakaolin=(2-4):
1.It is further preferred that the grade of the flyash is not less than second class powered coal ash, fineness is 200-1600 mesh；The metakaolin
For 800 DEG C or more burnt kaolin, fineness is 800-1600 mesh.Flyash, the purity of metakaolin are higher at this time, carefully
It spends relatively mild.There is flyash microballon effect the working performance for improving phosphorus magnesium material can be improved, and live in metakaolin containing high
Property aluminium component and participate in reaction improve mixture intensity effect it is preferable.
Preferably, the pigment is inorganic pigment, and it is 100-400 mesh that its fineness, which is fineness,.This fineness is relatively mild, and
And the activity of metal oxide contained in inorganic pigment is below the activity of magnesia, further acts as aquation magnesium phosphate and water
The aggregate for changing ammonium magnesium phosphate crystal structure, improves the stability of material.
Preferably, the aggregate is fine work mechanism sandstone.It is further preferred that the partial size of the fine work mechanism sandstone is 0-
2.36mm.Fine work mechanism sandstone is that sandstone has passed through the processes such as screening, shaping and dedusting in process, makes the gradation of sandstone
Meet quality standard, sandstone aggregate grain shape is in cube multiple edge body, and voidage can be effectively reduced, increase bulk density and pressure resistance
Degree, can substantially reduce the dosage of magnesium phosphate cement, while the powder containing quantity in sandstone can be effectively controlled.
The construction technology of the ground surface layer based on phosphorus magnesium material, includes the following steps:
(1) base treatment: handling base, and in 20MPa or more, the surface of base is drawn dials adjustment base's compression strength
Intensity is not less than 1.5MPa, and makes substrate surface without laitance and serious dusting；
(2) construction of leveling blanket: screed-coat is constructed using the phosphorus magnesium material in base；
(3) surface construction: surface layer is constructed using the phosphorus magnesium material in base.
It is described that base is handled, it is to polish base, until foundation base intension is up to standard, the water that then will be polished
Mud dust and waste are cleaned out.If original base's concrete ground intensity is too low, surface has laitance or dusting serious, must
Polishing, until expose solid surface, sander polishing less than position, steel brush polishing can be used；Clear up the cement slurry of polishing
Then dust and waste use dust catcher dust suction, make its clean surface.
Preferably, the screed-coat with a thickness of 20-30mm.Screed-coat has preferable compression strength, dry speed at this time
Degree is also very fast, can be shortened the construction period, and will not be blocked up, avoids wastage of material, increased costs.
Preferably, the flatness deviation of the screed-coat is no more than 2mm.Flatness is preferable at this time, will not influence subsequent apply
Work is also able to satisfy requirement of the most of the circumstances to ground flat degree.
Preferably, the surface layer with a thickness of 4-10mm.Surface layer has preferable intensity and compactness, rate of drying at this time
Also very fast, it can be shortened the construction period, and will not be blocked up, avoid wastage of material, increased costs.
Preferably, the step (2), (3) are paved using laser paver.Use precise laser paver making
The ground of leveling, the ground quality compared with institute's making according to a conventional method is far better, ground flat degree and levelness can improve 3 times with
On, compactness and intensity can improve 20% or more, while can also improve work efficiency is more than 50%, and saving about 35% is artificial,
Its laser system is equipped with a variety of Automatic Control Components, with the absolute altitude of 10 times per second frequency real-time monitoring leveling heads, it is ensured that making
Ground flat degree and levelness be controlled effectively, meanwhile, strength vibrator vibration frequency makes up to 4000 beats/min
The matrix homogeneous of entire making, densification.
The construction technology of the ground surface layer based on phosphorus magnesium material, steps are as follows for Specific construction:
(1) base treatment:
Ponding is excluded using multidomain treat-ment, base plate leakage situation is checked, finds out structure gap, marked with the line of ink marker, it will
Seepage place chisels into " V " font, and chiseling depth is 5cm, is blocked tightly with plugging material (leak stopping spirit), is checked after to be dried,
If ne-leakage, tight with the capping of phosphorus magnesium material, fine-stone concrete face must not exceed structure plate face 2cm；It is finished to base plate leakage closure
Afterwards, bottom plate surface layer polishing is cleaned out and (guarantees surface layer without laitance, no rubbish), until completely revealing Concrete In Structures, sander
Polish less than position, can be used steel brush polishing；The cement slurry dust and waste of polishing are cleared up, dust catcher dust suction is then used.
Base must it is clean, solid, smooth, can load-bearing, no loose matter；Base's compression strength in 20MPa or more, base
Surface, which is drawn, dials intensity not less than 1.5MPa；If original base's concrete ground intensity is too low, surface has laitance or dusting serious, must
Polishing, until exposing solid surface.
(2) construction of leveling blanket:
General concrete Base Smoothness deviation is larger, it is necessary to first carry out levelling, then carry out surface construction；Screed-coat is (such as
21) for based on phosphorus magnesium material, wherein the specific gravity of fine aggregate quartz sand is larger, is not influencing setting time and early stage in this way in Fig. 1
Under the premise of intensity, the cost of construction greatly reduces；Screed-coat with a thickness of 20-30mm, what screed-coat flatness allowed
Deviation is 2mm, and compression strength is in 20MPa or more；It is levelling that screed-coat with laser paver carries out paving for entire operating area.
1, ingredient:
Above-mentioned phosphorus magnesium material and water, 1:0.08-0.15 is mixed in proportion, is stirred evenly；When small area, small-sized electric is used
Blender is stirred in bucket, and every stirring is once finished a whole packet；When large-area construction block construction, special-purpose stirring machine is used
Stirring is constructed with the method that mortar pumps；The slurry mixed should be finished in 10 minutes, and slurry supply is timely.
2, horizontal control:
Ground library screed-coat looks for slope to the setting draining of the directions such as sump, ditch by design requirement, in order to reach design effect,
Before construction according to drawing since minimum point, calculate designed elevation every 9m, scene according to drawing position on bottom plate in length and breadth
Spacing 1500mm beats ash cake, and will calculate absolute altitude and be beaten on column with level, most post-tensioning linen thread or is answered with laser leveler
Core.
3, it pours:
Screed-coat pours to be poured for whole region；Phosphorus magnesium material is first got out, the slurry of phosphorus magnesia needed for prewired screed-coat, inspection
Its fluidity and setting time are surveyed, until reaching requirement；Phosphorus magnesium material is being configured by the proportion for reaching requirement；Stirring conveying
The stirring volume of all-in-one machine is 1 cube or so, calculates the dosage of phosphorus magnesium material each component, and stirring conveying is added in 2 minutes
In all-in-one machine, uniform stirring 5 minutes or so, the phosphorus magnesia slurry being stirred is transferred in transfer hopper, a pipeful of phosphorus magnesium is stirred for down
Material；Transfer hopper pours phosphorus magnesium material mortar since terrace lowest point, is that breadth is poured by the distance between column and column,
The moment pays attention to the elevation line on column when pouring, and mortar just dipped elevation line should be made when pouring；The slurry being stirred should be at 10 points
It is finished in clock, slurry supply will continuously in time.
4, it paves:
After having poured 5m or so width length, the elevation line being arranged on the laser pickoff and column of laser paver is corresponded to；
It is levelling to start paving for progress screed-coat, according to the spreading speed of the speed control laser paver poured, makes the amount not paved
It is maintained at 1 cube or so.
(3) surface construction
After the complete compression strength of construction of leveling blanket reaches 2.5MPa or more, according to design drawing on screed-coat unwrapping wire；Surface layer
(as shown in figure 1 22) with a thickness of 4-10mm, working region allows slightly to divulge information, pour before screed-coat must be clean；Surface layer uses
Block construction.
1, piecemeal, which seams, sets:
When construction area is larger, block construction is can be used in surface layer.The setting of piecemeal gap stay setting (i.e. by the column net of design
Arranged along vertically and horizontally axis direction) (such as Fig. 3), the surrounding setting foamed glue paster of piecemeal seam；It is carried out down after this block has been constructed
The construction of block.
2, horizontal control:
Ground library surface layer looks for slope to the setting draining of the directions such as sump, ditch by design requirement, in order to reach design effect, applies
Before work according to drawing since minimum point, calculate designed elevation every 9m, scene according to drawing position on bottom plate in length and breadth between
Ash cake is beaten away from 1500mm, and will calculate absolute altitude and be beaten on column with level, most post-tensioning linen thread or is checked with laser leveler.
3, facial ornament and scribing line position construction (such as Fig. 4) in piecemeal:
It such as needs to do facial ornament and scribing line, facial ornament and the construction of scribing line position can be carried out during block construction, is poured
Before foamed glue paster need to be set in facial ornament and region scribing line position surrounding, phosphorus magnesium material is first got out, needed for prewired screed-coat
Phosphorus magnesia slurry, detects its fluidity and setting time, until reaching requirement；Phosphorus magnesium material is being configured by the proportion for reaching requirement
Material；The area for pressing facial ornament and scribing line position in piecemeal, calculates the dosage of phosphorus magnesium material；Stirring conveying integrated is added in 2 minutes
In machine, uniform stirring 5 minutes or so, the phosphorus magnesia slurry being stirred is transferred in transfer hopper, transfer hopper is from piecemeal facial ornament and scribing line
Position lowest point starts to pour phosphorus magnesium material mortar, and the moment pays attention to the elevation line on column when pouring, and should make mortar just when pouring
Dipped elevation line；Because the amount of pouring is less, is paved, flattened, closely knit with laser paver after having poured.
4, common position construction in piecemeal:
The foamed glue paster that removing facial ornament and region scribing line position surrounding are needed before pouring, first gets out phosphorus magnesium material, prewired
The slurry of phosphorus magnesia needed for screed-coat, detects its fluidity and setting time, until reaching requirement；By reaching matching for requirement
Than configuring phosphorus magnesium material；The area for pressing facial ornament and scribing line position in piecemeal, calculates the dosage of phosphorus magnesium material；It is added in 2 minutes
In stirring conveying integrated machine, uniform stirring 5 minutes or so, be stirred phosphorus magnesia slurry be transferred in transfer hopper, transfer hopper from point
The common position lowest point of block starts to pour phosphorus magnesium material mortar, and the moment pays attention to the elevation line on column when pouring, and sand should be made when pouring
Starch just dipped elevation line；Because the amount of pouring is less, is paved after having poured with laser paver, is closely knit, leveling.
5, after carry out next piece of construction, whole region of successively having constructed after having constructed of every piece of piecemeal.
6, it conserves:
After the mortar surface initial set of phosphorus magnesium material, phosphorus magnesium material mortar surface, sealed maintenance are covered on plastic fresh-keeping membrane
1-2h。
7, polishing grinding:
Maintenance 1-2h to be sealed, surface layer compression strength reach 20MPa or more, carry out polishing grinding, the residue dust of polishing
It is absorbed with dust catcher.
In step (2) construction of leveling blanket, so that the initial flow degree of screed-coat is 130 ± 3mm, setting time 20min-
60min；Screed-coat and surface layer are same phosphorus magnesium material, and before screed-coat condensation, dry, pouring surface layer phosphorus magnesium material can be big
The big caking property for improving surface layer screed-coat and base, the surface layer and screed-coat of conventional ground also need to do interface processing, otherwise interlayer
Adhesion strength is inadequate, and there is the cold seam of construction or horizontal construction joint, the service life on ground can greatly shorten；Screed-coat based on
The specific gravity of fine aggregate quartz sand is larger in phosphorus magnesium material, in this way under the premise of not influencing setting time and early strength, significantly
The cost for reducing construction；Laser pickoff real-time control leveling head on laser paver, to realize that screed-coat is high-precision
Degree, quickly leveling, the ground flattened using precise laser paver making, the ground quality of institute's making will be got well more according to a conventional method
Much --- ground flat degree and levelness improve 3 times or more, and compactness and intensity improve 20% or more, while can also improve
Work efficiency is more than 50%, and saves about 35% artificial, a variety of Automatic Control Components of laser system outfit, with 10 frequencies per second
The absolute altitude of rate real-time monitoring leveling head, it is ensured that the ground flat degree and levelness of making are controlled effectively, meanwhile, strength
Vibrator vibration frequency makes screed-coat matrix homogeneous, the densification of entire making up to 4000 beats/min.
In step (3) surface construction, according to regulation water consumption, add water and stir uniformly, so that phosphorus magnesium material surface layer mortar
Initial flow degree is 130 ± 3mm, setting time 20min-60min.On the basis of meeting mobility, it need to subtract as far as possible
Few water consumption, the fluidity of gravity flowing levelling mortar is bigger, and isolation sedimentation degree is bigger, and surface strength is lower；Fluidity is smaller, viscosity
Bigger, application property is poorer, and the bubble on surface is then difficult to eliminate.First by the construction of the color ingredient of facial ornament and scribe area, construct
Afterwards, entire work surface is carrying out every piece of construction by piecemeal；It constructs in this way and on the one hand saves the template of block construction,
On the other hand operational procedure is simplified, improves construction efficiency, save the construction period, another further aspect facial ornament and scribing line position are not
Easily be worn away, without etc. surface layers reach some strength after do facial ornament and scribing line again；Surface construction is carried out, laser is adopted in paving for surface layer
Paver Paving Techniques, can make that entire surface layer is smooth, matrix homogeneous, densification.It must be done between the screed-coat and surface layer of conventional terrace
Interface processing, after interfacial agents for 24 hours dry after, just can be carried out surface construction, otherwise bond strength between layers can weaken, there are it is cold seam or
The service life of horizontal construction joint, ground can greatly shorten；Screed-coat of the present invention be based on phosphorus magnesium material, with surface layer with it is of the same race
Material, there is very strong adhesion strength without carrying out interface processing interlayer just, and phosphorus magnesium material can surface in contactant and itself table
Face forms sull, and sull has good associativity, and phosphorus magnesium material can construct at any time, and not will form
Construction joint.
In 6 maintenance step by step in step (3), preservative film can reduce the evaporation of phosphorus magnesium material mortar moisture, improve
The degree of hydration on surface layer is improved the compactness of phosphorus magnesium material mortar surface, and then effectively improves wearability.And with phosphorus
Gelling system rate of heat release based on magnesium material is big, and Exotherm Time is concentrated mainly on preceding 1h.Plastic covering film can reduce heat
Scatter and disappear, promote phosphorus magnesium material aquation.
Ground surface layer based on phosphorus magnesium material of the invention, by by magnesium phosphate cement, additive, admixture, pigment, bone
Material is mixed according to special ratios, is combined into the ground surface layer based on phosphorus magnesium material, and phosphorus magnesium material surface layer of the invention has high-strength
Wear-resisting adhesive property, and can construct at any time, it not will form construction joint；Ground surface layer based on phosphorus magnesium material of the invention, is waved
Hair property organic compound (VOC) content is zero, there is very strong fire resistance；Ground surface layer based on phosphorus magnesium material of the invention, it is early
By force, setting time is fast, curing time is short, mechanical strength is high, not easy to crack, fold resistance is strong, short energy of wear-resisting and construction period is timely
It comes into operation.And the present invention uses laser paver Paving Techniques, the ground flattened using precise laser paver making, relatively by normal
The ground quality of rule method institute making is far better, and ground flat degree and levelness can improve 3 times or more, compactness and intensity energy
20% or more is improved, while can also improve work efficiency is more than 50%, and saving about 35% is artificial, laser system is equipped with a variety of
Automatic Control Component, with the absolute altitude of 10 times per second frequency real-time monitoring leveling heads, it is ensured that the ground flat degree and level of making
Degree is controlled effectively, meanwhile, strength vibrator vibration frequency up to 4000 beats/min, make entire making matrix homogeneous,
It is fine and close.
Compared with prior art, the technical effect of the invention is embodied in:
1, phosphorus magnesium material prepared by the present invention has selected high density magnesia and monoammonium phosphate as basic material, phosphoric acid one
Ammonium and magnesia reaction rate are faster than the monopotassium phosphate of same type, monosodium phosphate, and the intensity prepared using monoammonium phosphate is higher, and
It is classified as (1-4.5) using mass ratio between magnesia and monoammonium phosphate: 1, magnesia is excessive, guarantees that phosphate component is reacted completely
Thoroughly, the complete magnesium oxide particle of unreacted, its own intensity is high, as aggregate, generates micro aggregate effect, further increases phosphorus magnesium
The intensity of material, magnesium oxide particle fineness effect between 80~400 mesh are optimal.Dephosphorization magnesium material mix mistake is gone using defoaming agent
The bubble generated in journey improves compactness, improves intensity.Using water-reducing agent, the fluidity of phosphorus magnesium material is improved, low water usage is subtracted
Amount improves phosphorus magnesium material workability and guarantees high intensity simultaneously.Retarder passes through tune using the borax or boric acid that most have retarding effect
Whole volume adjusts the setting time of phosphorus magnesium material, and being recommended to use, effect in range is best, and negatively affects to intensity small.It adopts
With the admixture with reactivity, spherical shape is presented in flyash and metakaolin, flyash, plays filling microscopic voids, together
Shi Tigao phosphorus magnesium material workability, so that compactness improves between phosphorus magnesium material and original concrete, interfacial adhesion is closer, powder
The effect that coal ash fineness plays within the scope of 200~1600 mesh is best；And the activated aluminum component in flyash, metakaolin with
It reacts between phosphate and magnesia in phosphorus magnesium material, improves phosphorus magnesium material high temperature resistance, especially metakaolin
Middle activated aluminum component is more, and for metakaolin fineness using between 800~1600 mesh, activity is high, also avoids excessively high fineness to workability
Adverse effect.Using by the fine work sand after screening, shaping, the corner angle of sand particle, the phosphorus magnesium material work of preparation are reduced
Property is good, further increases phosphorus magnesium material workability.
2, phosphorus magnesium material surface layer of the invention has high-strength wearable adhesive property, and can construct at any time, not will form and applies
Work seam.
3, the ground surface layer of the invention based on phosphorus magnesium material, volatile organic compounds (VOC) content is zero, completely
Meet the security technology standard of indoor interior wall coating, and the present invention is inorganic coagulation material, there is very strong fire resistance.
4, the ground surface layer of the invention based on phosphorus magnesium material, morning is strong, setting time is fast, curing time is short, mechanical strength
It is high, not easy to crack, fold resistance is strong, the wear-resisting and construction period short can come into operation in time.
5, the present invention uses laser paver Paving Techniques, and the ground flattened using precise laser paver making is relatively pressed
The ground quality of conventional method institute making is far better --- and ground flat degree and levelness improve 3 times or more, compactness and strong
Degree improves 20% or more, while can also improve work efficiency is more than 50%, and saving about 35% is artificial, and laser system is equipped with more
Kind Automatic Control Component, with the absolute altitude of 10 times per second frequency real-time monitoring leveling heads, it is ensured that the ground flat degree and water of making
Pingdu is controlled effectively, meanwhile, strength vibrator vibration frequency keeps the matrix of entire making equal up to 4000 beats/min
Matter, densification.
6, after construction of leveling blanket 1h of the invention, paving for surface layer can be carried out, after surface construction 2h, can put into makes
With greatly speed shortens the construction period.
7, on the one hand construction technology of the invention saves the template of block construction, on the other hand simplifies operational procedure,
Improve construction efficiency, save the construction period, another further aspect facial ornament and scribing line position are not easy to be worn away, without etc. surface layers reach
Facial ornament and scribing line are done after some strength again.
Ground surface layer based on phosphorus magnesium material of the invention can not only be applied to have higher building to manage mechanical performance terrace
It is required that, chemical property require, be beautiful, the domestic garage in economic functionalization terrace region or parking lot, storehouse, market place builet below the ground,
The room areas such as workshop, plant area, the inclined-plane all having higher requirements for a pair of of anti-corrosion, moisture-proof and wear-resisting, physical mechanical strength etc.,
Facade is applicable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ground surface layer of the invention based on phosphorus magnesium material.
Fig. 2 is Specific construction flow chart of steps.
Fig. 3 is that surface construction piecemeal seams and sets schematic diagram.
Fig. 4 is facial ornament and scribing line position setting schematic diagram in block.
In figure: 1- concrete base layer；2- phosphorus magnesium material layer；21- screed-coat；22- surface layer.
Specific embodiment
It is limited below with reference to specific embodiment technical solution of the present invention is further, but claimed
Range is not only limited to made description.
Mix phosphorus magnesium material A:
The magnesium phosphate cement, be by dead burned magnesia and monoammonium phosphate by weight: the mixing that 2:1 is obtained after mixing
Object.The dead burned magnesia is 1600 DEG C or more burnt magnesite, and content of magnesia 91.5%, fineness is 240 mesh.
The monoammonium phosphate is industrial grade monoammonium phosphate, and nutrient 60%, fineness is 230 mesh.
The additive is retarder, defoaming agent and water-reducing agent.The retarder is technical grade borax, purity 96%,
Fineness is 230 mesh.The defoaming agent is organic silicon powder defoaming agent.The water-reducing agent is poly carboxylic acid series water reducer.
The admixture is flyash, metakaolin mixture, wherein flyash: metakaolin=3:1.The flyash
Meet second class powered coal ash standard, fineness is 900 mesh.The metakaolin is 800 DEG C or more burnt kaolin, and fineness is
1200 mesh.
The pigment is inorganic pigment, and it is 250 mesh that its fineness, which is fineness,.
The aggregate is fine work mechanism sandstone, and partial size is in 0-2.36mm.
Mix phosphorus magnesium material B:
Magnesium phosphate cement 120kg
Additive 2kg
Aggregate 300kg
The magnesium phosphate cement, be by dead burned magnesia and monoammonium phosphate by weight: the mixing that 2:1 is obtained after mixing
Object.The dead burned magnesia is 1600 DEG C or more burnt magnesite, and content of magnesia 91.5%, fineness is 240 mesh.
The monoammonium phosphate is industrial grade monoammonium phosphate, and nutrient 60%, fineness is 230 mesh.
The additive is retarder, defoaming agent and water-reducing agent.The retarder is technical grade borax, purity 96%,
Fineness is 230 mesh.The defoaming agent is organic silicon powder defoaming agent.The water-reducing agent is poly carboxylic acid series water reducer.
The admixture is flyash, metakaolin mixture, wherein flyash: metakaolin=3:1.The flyash
Meet second class powered coal ash standard, fineness is 900 mesh.The metakaolin is 800 DEG C or more burnt kaolin, and fineness is
1200 mesh.
The pigment is inorganic pigment, and it is 250 mesh that its fineness, which is fineness,.
The aggregate is fine work mechanism sandstone, and partial size is in 0-2.36mm.
Mix phosphorus magnesium material C:
The magnesium phosphate cement, be by dead burned magnesia and monoammonium phosphate by weight: the mixing that 2:1 is obtained after mixing
Object.The dead burned magnesia is 1600 DEG C or more burnt magnesite, and content of magnesia 91.5%, fineness is 240 mesh.
The monoammonium phosphate is industrial grade monoammonium phosphate, and nutrient 60%, fineness is 230 mesh.
The additive is retarder, defoaming agent and water-reducing agent.The retarder is technical grade boric acid, purity 96%,
Fineness is 230 mesh.The defoaming agent is organic silicon powder defoaming agent.The water-reducing agent is poly carboxylic acid series water reducer.
The admixture is flyash, metakaolin mixture, wherein flyash: metakaolin=3:1.The flyash
Meet second class powered coal ash standard, fineness is 900 mesh.The metakaolin is 800 DEG C or more burnt kaolin, and fineness is
1200 mesh.
The pigment is inorganic pigment, and it is 250 mesh that its fineness, which is fineness,.
The aggregate is fine work mechanism sandstone, and partial size is in 0-2.36mm.
Mix phosphorus magnesium material D:
The magnesium phosphate cement, be by dead burned magnesia and monoammonium phosphate by weight: the mixing that 1:1 is obtained after mixing
Object.The dead burned magnesia is 1600 DEG C or more burnt magnesite, and content of magnesia 88%, fineness is 80 mesh.Institute
Stating monoammonium phosphate is industrial grade monoammonium phosphate, and nutrient 58%, fineness is 60 mesh.
The additive is retarder, defoaming agent and water-reducing agent.The retarder is technical grade borax, purity 95%,
Fineness is 60 mesh.The defoaming agent is organic silicon powder defoaming agent.The water-reducing agent is poly carboxylic acid series water reducer.
The admixture is flyash, metakaolin mixture, wherein flyash: metakaolin=2:1.The flyash
Meet second class powered coal ash standard, fineness is 200 mesh.The metakaolin is 800 DEG C or more burnt kaolin, and fineness is
800 mesh.
The pigment is inorganic pigment, and it is 100 mesh that its fineness, which is fineness,.
The aggregate is fine work mechanism sandstone, partial size 0-2.36mm.
Mix phosphorus magnesium material E:
The magnesium phosphate cement, be by dead burned magnesia and monoammonium phosphate by weight: 4.5:1 is obtained mixed after mixing
Close object.The dead burned magnesia is 1600 DEG C or more burnt magnesite, and content of magnesia 95%, fineness is 400 mesh.
The monoammonium phosphate is industrial grade monoammonium phosphate, and nutrient 65%, fineness is 400 mesh.
The additive is retarder, defoaming agent and water-reducing agent.The retarder is technical grade borax, purity 97%,
Fineness is 400 mesh.The defoaming agent is organic silicon powder defoaming agent.The water-reducing agent is poly carboxylic acid series water reducer.
The admixture is flyash, metakaolin mixture, wherein flyash: metakaolin=4:1.The flyash
Meet second class powered coal ash standard, fineness is 1600 mesh.The metakaolin is 800 DEG C or more burnt kaolin, and fineness is
1600 mesh.
The pigment is inorganic pigment, and it is 400 mesh that its fineness, which is fineness,.
The aggregate is fine work mechanism sandstone, partial size 0-2.36mm.
Embodiment 1
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
It constructs by the following method:
(1) base treatment:
Ponding is excluded using multidomain treat-ment, base plate leakage situation is checked, finds out structure gap, marked with the line of ink marker, it will
Seepage place chisels into " V " font, and chiseling depth is 5cm, is blocked tightly with plugging material (leak stopping spirit), is checked after to be dried,
If ne-leakage, tight with the capping of phosphorus magnesium material, fine-stone concrete face must not exceed structure plate face 2cm；It is finished to base plate leakage closure
Afterwards, bottom plate surface layer polishing is cleaned out and (guarantees surface layer without laitance, no rubbish), until completely revealing Concrete In Structures, sander
Polish less than position, can be used steel brush polishing；The cement slurry dust and waste of polishing are cleared up, dust catcher dust suction is then used.
Base must it is clean, solid, smooth, can load-bearing, no loose matter；Base's compression strength in 20MPa or more, base
Surface, which is drawn, dials intensity not less than 1.5MPa；If original base's concrete ground intensity is too low, surface has laitance or dusting serious, must
Polishing, until exposing solid surface.
(2) construction of leveling blanket:
General concrete Base Smoothness deviation is larger, it is necessary to first carry out levelling, then carry out surface construction；Screed-coat is base
In phosphorus magnesium material, wherein the specific gravity of fine aggregate quartz sand is larger, in this way under the premise of not influencing setting time and early strength,
The cost of construction greatly reduces；Screed-coat with a thickness of 20-30mm, the deviation that screed-coat flatness allows is 2mm, resistance to compression
Intensity is in 20MPa or more；It is levelling that screed-coat with laser paver carries out paving for entire operating area.
2, ingredient:
Above-mentioned phosphorus magnesium material and water, 1:0.11 is mixed in proportion, is stirred evenly；When small area, minitype electric mixer is used
It is stirred in bucket, every stirring is once finished a whole packet；When large-area construction block construction, stirred with special-purpose stirring machine,
The method construction pumped with mortar；The slurry mixed should be finished in 10 minutes, and slurry supply is timely.
2, horizontal control:
Ground library screed-coat looks for slope to the setting draining of the directions such as sump, ditch by design requirement, in order to reach design effect,
Before construction according to drawing since minimum point, calculate designed elevation every 9m, scene according to drawing position on bottom plate in length and breadth
Spacing 1500mm beats ash cake, and will calculate absolute altitude and be beaten on column with level, most post-tensioning linen thread or is answered with laser leveler
Core.
3, it pours:
Screed-coat pours to be poured for whole region；Phosphorus magnesium material is first got out, the slurry of phosphorus magnesia needed for prewired screed-coat, inspection
Its fluidity and setting time are surveyed, until reaching requirement；Phosphorus magnesium material is being configured by the proportion for reaching requirement；Stirring conveying
The stirring volume of all-in-one machine is 1 cube or so, calculates the dosage of phosphorus magnesium material each component, and stirring conveying is added in 2 minutes
In all-in-one machine, uniform stirring 5 minutes or so, the phosphorus magnesia slurry being stirred is transferred in transfer hopper, a pipeful of phosphorus magnesium is stirred for down
Material；Transfer hopper pours phosphorus magnesium material mortar since terrace lowest point, is that breadth is poured by the distance between column and column,
The moment pays attention to the elevation line on column when pouring, and mortar just dipped elevation line should be made when pouring；The slurry being stirred should be at 10 points
It is finished in clock, slurry supply will continuously in time.
4, it paves:
After having poured 5m or so width length, the elevation line being arranged on the laser pickoff and column of laser paver is corresponded to；
It is levelling to start paving for progress screed-coat, according to the spreading speed of the speed control laser paver poured, makes the amount not paved
It is maintained at 1 cube or so.
(3) surface construction
After the complete compression strength of construction of leveling blanket reaches 2.5MPa or more, according to design drawing on screed-coat unwrapping wire；Surface layer
With a thickness of 7mm, working region allows slightly to divulge information, pour before screed-coat must be clean；Surface layer uses block construction.
1, piecemeal, which seams, sets:
When construction area is larger, block construction is can be used in surface layer.The setting of piecemeal gap stay setting (i.e. by the column net of design
Arranged along vertically and horizontally axis direction), foamed glue paster is arranged in the surrounding of piecemeal seam；Lower piece is carried out after this block has been constructed to apply
Work.
2, horizontal control:
Ground library surface layer looks for slope to the setting draining of the directions such as sump, ditch by design requirement, in order to reach design effect, applies
Before work according to drawing since minimum point, calculate designed elevation every 9m, scene according to drawing position on bottom plate in length and breadth between
Ash cake is beaten away from 1500mm, and will calculate absolute altitude and be beaten on column with level, most post-tensioning linen thread or is checked with laser leveler.
3, facial ornament and the construction of scribing line position in piecemeal:
It such as needs to do facial ornament and scribing line, facial ornament and the construction of scribing line position can be carried out during block construction, is poured
Before foamed glue paster need to be set in facial ornament and region scribing line position surrounding, phosphorus magnesium material is first got out, needed for prewired screed-coat
Phosphorus magnesia slurry, detects its fluidity and setting time, until reaching requirement；Phosphorus magnesium material is being configured by the proportion for reaching requirement
Material；The area for pressing facial ornament and scribing line position in piecemeal, calculates the dosage of phosphorus magnesium material；Stirring conveying integrated is added in 2 minutes
In machine, uniform stirring 5 minutes or so, the phosphorus magnesia slurry being stirred is transferred in transfer hopper, transfer hopper is from piecemeal facial ornament and scribing line
Position lowest point starts to pour phosphorus magnesium material mortar, and the moment pays attention to the elevation line on column when pouring, and should make mortar just when pouring
Dipped elevation line；Because the amount of pouring is less, is paved, flattened, closely knit with laser paver after having poured.
4, common position construction in piecemeal:
The foamed glue paster that removing facial ornament and region scribing line position surrounding are needed before pouring, first gets out phosphorus magnesium material, prewired
The slurry of phosphorus magnesia needed for screed-coat, detects its fluidity and setting time, until reaching requirement；By reaching matching for requirement
Than configuring phosphorus magnesium material；The area for pressing facial ornament and scribing line position in piecemeal, calculates the dosage of phosphorus magnesium material；It is added in 2 minutes
In stirring conveying integrated machine, uniform stirring 5 minutes or so, be stirred phosphorus magnesia slurry be transferred in transfer hopper, transfer hopper from point
The common position lowest point of block starts to pour phosphorus magnesium material mortar, and the moment pays attention to the elevation line on column when pouring, and sand should be made when pouring
Starch just dipped elevation line；Because the amount of pouring is less, is paved after having poured with laser paver, is closely knit, leveling.
5, after carry out next piece of construction, whole region of successively having constructed after having constructed of every piece of piecemeal.
6, it conserves:
After the mortar surface initial set of phosphorus magnesium material, phosphorus magnesium material mortar surface, sealed maintenance are covered on plastic fresh-keeping membrane
1.5h。
7, polishing grinding:
Maintenance 1.5h to be sealed, surface layer compression strength reach 20MPa or more, carry out polishing grinding, the residue dust of polishing
It is absorbed with dust catcher.
The phosphorus magnesium material is mixing phosphorus magnesium material A.
Embodiment 2
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
In construction technology, phosphorus magnesium material and water 1:0.08 mixing in proportion；It is fresh-keeping with plastics after the mortar surface initial set of phosphorus magnesium material
Film is covered on phosphorus magnesium material mortar surface, sealed maintenance 1h；Maintenance 1h to be sealed, surface layer compression strength reach 20MPa or more, into
The residue dust of row polishing grinding, polishing is absorbed with dust catcher, other steps are same as Example 1.
The phosphorus magnesium material is mixing phosphorus magnesium material A.
Embodiment 3
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
In construction technology, phosphorus magnesium material and water 1:0.15 mixing in proportion；It is fresh-keeping with plastics after the mortar surface initial set of phosphorus magnesium material
Film is covered on phosphorus magnesium material mortar surface, sealed maintenance 2h；Maintenance 2h to be sealed, surface layer compression strength reach 20MPa or more, into
Row polishing grinding, it is same as Example 1 that the residue dust of polishing with dust catcher absorbs other steps.
The phosphorus magnesium material is mixing phosphorus magnesium material A.
Embodiment 4
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
It is same as Example 1 in construction technology.
The phosphorus magnesium material is mixing phosphorus magnesium material B.
Embodiment 5
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
It is same as Example 1 in construction technology.
The phosphorus magnesium material is mixing phosphorus magnesium material C.
Embodiment 6
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
It is same as Example 1 in construction technology.
The phosphorus magnesium material is mixing phosphorus magnesium material D.
Embodiment 7
A kind of ground surface layer based on phosphorus magnesium material, have 2 layers of structure, have 1 layer of phosphorus magnesium screed-coat, 1 layer of phosphorus magnesium surface layer,
It is same as Example 1 in construction technology.
The phosphorus magnesium material is mixing phosphorus magnesium material E.
Polyurethane floor is added to carry out embodiment 1-7 and normal concrete ground, abrasion-resistant concrete ground, mattess
Comparison:
Comparison not will form construction joint, and complete in construction it is found that the ground surface layer of the invention based on phosphorus magnesium material
Maintenance 1-2h can come into operation afterwards, and greatly speed shortens the construction period.
Finally it is pointed out that above embodiments are only the more representational examples of the present invention.Obviously, technology of the invention
Scheme is not limited to above-described embodiment, and acceptable there are many deformations.Those skilled in the art can be from disclosed by the invention
All deformations that content is directly exported or associated, are considered as protection scope of the present invention.
Claims (10)
1. a kind of ground surface layer based on phosphorus magnesium material, which is characterized in that including phosphorus magnesium screed-coat and phosphorus magnesium surface layer, the phosphorus magnesium
Screed-coat with phosphorus magnesium surface layer is grouped as by each group of following mass fraction:
2. the ground surface layer according to claim 1 based on phosphorus magnesium material, which is characterized in that the magnesium phosphate cement is
By weight by dead burned magnesia and monoammonium phosphate: (1-4.5): the mixture obtained after 1 mixing.
3. the ground surface layer according to claim 1 based on phosphorus magnesium material, which is characterized in that the additive is slow setting
Agent, defoaming agent and water-reducing agent.
4. the ground surface layer according to claim 5 based on phosphorus magnesium material, which is characterized in that the defoaming agent is organosilicon
Class powder defoaming agent.
5. the ground surface layer according to claim 1 based on phosphorus magnesium material, which is characterized in that the admixture is fine coal
Ash, metakaolin mixture, wherein flyash: metakaolin=(2-4): 1.
6. the ground surface layer according to claim 1 based on phosphorus magnesium material, which is characterized in that the pigment is inorganic face
Material, and its fineness is 100-400 mesh.
7. the ground surface layer according to claim 1 based on phosphorus magnesium material, which is characterized in that the aggregate is fine work mechanism
Sandstone.
8. the construction technology of the ground surface layer described in claim 1-7 based on phosphorus magnesium material, which is characterized in that including walking as follows
It is rapid:
(1) base treatment: handling base, and for adjustment base's compression strength in 20MPa or more, the surface of base, which is drawn, dials intensity
Not less than 1.5MPa, and make substrate surface without laitance and serious dusting；
(2) construction of leveling blanket: screed-coat is constructed using the phosphorus magnesium material in base；
(3) surface construction: surface layer is constructed using the phosphorus magnesium material in base.
9. the construction technology of the ground surface layer according to claim 8 based on phosphorus magnesium material, which is characterized in that described to base
Layer is handled, and is polished base, until foundation base intension is up to standard, the cement slurry dust and waste that then will be polished
It cleans out.
10. the construction technology of the ground surface layer according to claim 8 based on phosphorus magnesium material, which is characterized in that the step
Suddenly (2), (3) are paved using laser paver.
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| CN110130615A (en) * | 2019-04-28 | 2019-08-16 | 贵州磷镁材料有限公司 | Indoor combined floor and its construction method based on phosphorus magnesium material and Self-leveling gypsum |
| CN111015380A (en) * | 2019-12-31 | 2020-04-17 | 河南神州精工制造股份有限公司 | High-forming-precision end socket grinding method |
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| US5918429A (en) * | 1997-08-13 | 1999-07-06 | The Quikrete Companies | Method and apparatus for providing concrete products having improved surface and structural characteristics |
| DE10330298A1 (en) * | 2003-07-04 | 2005-02-03 | Kronotec Ag | Panel, in particular floor laminate panel |
| CN102505831B (en) * | 2011-12-22 | 2014-01-08 | 深圳市深装总装饰工程工业有限公司 | Construction method for paving plasters on ground and manmade stone |
| CN104692766B (en) * | 2015-02-11 | 2016-08-17 | 中国科学院合肥物质科学研究院 | A kind of can be at the road surface that cold district uses and crack material for quickly repairing and preparation method thereof |
| CN105503141A (en) * | 2015-12-17 | 2016-04-20 | 中国建材检验认证集团厦门宏业有限公司 | Waste-residue and magnesium-phosphate cement self-leveling mortar |
| CN107879714A (en) * | 2017-12-21 | 2018-04-06 | 中国科学院青海盐湖研究所 | A kind of magnesium phosphate cement stable gravel roadbase material |
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| CN110130615A (en) * | 2019-04-28 | 2019-08-16 | 贵州磷镁材料有限公司 | Indoor combined floor and its construction method based on phosphorus magnesium material and Self-leveling gypsum |
| CN111015380A (en) * | 2019-12-31 | 2020-04-17 | 河南神州精工制造股份有限公司 | High-forming-precision end socket grinding method |
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