CN104556847B - A kind of polymer plastic-blasting mortar and preparation method thereof - Google Patents
A kind of polymer plastic-blasting mortar and preparation method thereof Download PDFInfo
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- CN104556847B CN104556847B CN201310473200.4A CN201310473200A CN104556847B CN 104556847 B CN104556847 B CN 104556847B CN 201310473200 A CN201310473200 A CN 201310473200A CN 104556847 B CN104556847 B CN 104556847B
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- polymer plastic
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Abstract
The present invention provides a kind of polymer plastic-blasting mortar and preparation method thereof, comprises premix powders and water, and wherein water accounting is the 14%～17% of relative premix powders；The composition of premix powders comprises according to weight ratio: cement 15%～25%, coarse aggregate 30%～55%, elastic additive 0.5～10%, fine aggregate 5%～10%, active light thing 1%～5%, premix additive 1%～3%；Wherein including corrosion inhibitor in premix additive makes the polymer plastic-blasting mortar of the present invention delay the corrosion time to steel, and simultaneously because adding elastic additive, the polymer plastic-blasting mortar making the present invention relatively can be shatter-proof, and has preferable crack resistance.
Description
[technical field]
The present invention relates to a kind of man scape Material Field, particularly a kind of polymer plastic-blasting mortar and system thereof
Preparation Method.
[background technology]
Man scape and the building major part of most domestic all still uses the mode manually plastered to enter at present
OK, but the form of construction work manually plastered often because mortar not enough or uneven with the adhesion of wall, cause
Often there is hollowing or the phenomenon such as come off in metope so that the biggest problem occurs in construction quality；Simultaneously as
The form of construction work manually plastered needs substantial amounts of human input, causes the raising of engineering cost, therefore in building
Field begins with people and introduces the plastering technique of external mechanically spraying, compared to manually plastering, mechanically spraying
Have that speed is fast, good stability and reduce artificial advantage, but due to the problem of various reality, cause machinery
The technology of spraying there is no method at home and carries out on a large scale.
Additionally, mechanical spraying technology is used mostly at building field at present, in the construction technology of man-made tourist site
The most do not met and use the mode of mechanically spraying to construct, owing to large-scale man-made tourist site is steel knot mostly
Structure wound steel wire first carries out basic styling, carries out being covered with mortar moulding the most again, finally completes people
Work makes scape.Due to large-sized artificial, to make scape different from buildings in general, and existing construction technology can not meet and executed
Duration limit demand, the most existing mortar there is also steel skeleton structure corrosion protection the best, pump not high enough,
The problems such as adhesive strength is not enough, crack resistance is not enough, therefore, are badly in need of wanting a kind of mortar being suitable for spraying technology
Solve above-mentioned problem.
[summary of the invention]
For solving the problems referred to above, the present invention provides a kind of polymer plastic-blasting mortar, comprises premix powders and water,
Wherein water accounting is the 14%～17% of the most described premix powders；The composition of premix powders is according to weight part ratio
Example comprises:
Further, aforesaid coarse aggregate is little river sand.
Further, aforesaid fine aggregate is flaky mica powder and talcum powder.
Further, aforesaid flaky mica powder accounting is 4% weight portion, and talcum powder accounting is 4% weight
Part.
Further, aforesaid flaky mica powder and talcous granularity are 350～420 mesh.
Further, aforesaid active light thing is silicon ash and flyash.
Further, aforesaid silicon ash accounting is 2% weight portion, and flyash accounting is 2% weight portion.
Further, aforesaid premix additive forms according to following weight percents: 12mm～22mm
Long fiber 25%～35%, water-loss reducer 3%～5%, corrosion inhibitor 20%～30%, lignocellulosic 12%～20%,
Air entraining agent 0.1%～3%, water reducer 3%～18%, flexible rubber powder 20%～50%.
Further, aforesaid elastic additive is high polymer elastic powder, comprises rubber powder/grain, poly-ammonia
Ester elastomer powder/grain and pvc elasticity powder/grain.
The present invention reoffers the preparation method of a kind of aforementioned polymer plastic-blasting mortar simultaneously, comprises the steps of
(1) modulation premix additive: by fiber, water-loss reducer, corrosion inhibitor, lignocellulosic, air entraining agent, diminishing
Agent and flexible rubber powder are proportionally added in mixer, disperse 5～10 minutes, obtain described premix additive；
(2) modulation premix powders: described premix additive is proportionally added into cement, coarse aggregate, elastic additive,
Active light material, fine aggregate, disperse 5～10 minutes in described mixer, obtain described premix powders；
(3) described polymer plastic-blasting mortar is prepared: will described premix powders add relative to described premix powders
The water of 14%～17%, obtains described polymer plastic-blasting mortar after mixing and stirring.
Therefore, present invention is primarily targeted at a kind of polymer plastic-blasting mortar of offer and preparation method thereof, by
In adding corrosion inhibitor in premix additive, therefore can effectively delay the corrosion time of steel construction.
A kind of polymer plastic-blasting mortar of offer and preparation method thereof is provided, due to
Fine aggregate adds flaky mica powder, improves the shielding of mortar, extend the time of penetration of chlorion, have
Effect extends the durability of steel construction.
A further object of the present invention is to provide a kind of polymer plastic-blasting mortar and preparation method thereof, due to
Fine aggregate contains again talcum powder, further increases thixotropy and the pumping of mortar.
It is yet a further object of the present invention to provide a kind of polymer plastic-blasting mortar and preparation method thereof, due to
Premix additive adds elastic additive, makes the polymer plastic-blasting mortar of the present invention have certain elasticity,
Compare tradition mortar and be less susceptible to cracking, improve security and aesthetic property.
[detailed description of the invention]
The present invention mainly discloses a kind of polymer plastic-blasting mortar and preparation method thereof, stock wherein used
And preparation method unless otherwise indicated should be known to those skilled in the technology concerned, therefore with hereinafter
Explanation, no longer slurry composition is made complete description.
The present invention provides a kind of polymer plastic-blasting mortar, comprises premix powders and water, and wherein water accounting is relative
The 14%～17% of described premix powders；The composition of premix powders comprises according to weight ratio: cement
15%～25%, coarse aggregate 30%～55%, elastic additive 0.5%～10%, fine aggregate 5%～10%, work
Property lightweight thing 1%～5%, premix additive 1%～3%.
Aforementioned cement, in the present invention as a kind of main coagulated material, makes polymer plastic-blasting mortar have relatively
Good curing performance, the cement used in the present invention is conventional portland cement, preferably 32.5 grades or
42.5 grades, further may be used without 52.5 grades of portland cements.
Aforesaid premix additive comprises according to following weight percents composition: the fiber of 12mm～22mm length
25%～35%, water-loss reducer 3%～5%, corrosion inhibitor 20%～30%, lignocellulosic 12%～20%, bleed
Agent 0.1%～3%, water reducer 3%～18%, flexible rubber powder 20%～50%；Wherein water-loss reducer can be fiber
Element ether, air entraining agent can be dodecane machine benzene sulfonic acid sodium salt, and the fiber adding 12mm～22mm length can be obvious
Improve toughness and the splitting resistance of Inventive polymers plastic-blasting mortar；According to after aforementioned proportion mix and blend as
Premix additive, can significantly improve pump-conveying property and the workability of polymer plastic-blasting mortar.Additionally, at this
In the formula of invention polymer plastic-blasting mortar, adding corrosion inhibitor in premix additive, corrosion inhibitor can be sub-
Calcium nitrate or can reach the composition of effectively resistance rust effect, is not any limitation as at this, can be effective after adding corrosion inhibitor
Delay the corrosion time of steel construction, the man scape of employing Inventive polymers plastic-blasting mortar or building can be made to make
Scape has more preferable durability.Furthermore, under special circumstances, use the man scape of polymer plastic-blasting mortar
Or building makes scape and be arranged in the vibrations higher environment of density, such as in Fun parks, the artificial hillock of roller-coaster is made
Scape, and tradition mortar easily chaps because vibrations cause or comes off under long vibration environment so that make
Scape destroys even the hidden paralysis producing public safety, and therefore applicant attempts, the present invention's through long-time
Adding elastic additive in formula, the most elastic additive can be rubber powder/grain, elastic polyurethane powder
/ grain and pvc elasticity powder/grain so that the polymer plastic-blasting mortar of the present invention has preferable elasticity, even if making
It is used under the environment that vibrations density is higher, still can maintain the durability of polymer plastic-blasting mortar, improve
The splitting resistance of Inventive polymers plastic-blasting mortar.
Aforesaid coarse aggregate is little river sand, and the granularity of little river sand is 40～70 mesh, and the biggest coarse aggregate of particle diameter is not
It is beneficial to spraying application, and more serious to the abrasion ratio of spraying equipment, the moulding that institute's sculpture goes out is relatively rough coarse；
And if the coarse aggregate that particle diameter is the least, in the case of same cement-sand ratio, working viscosity water requirement to be reached is relatively
Many, and it is unfavorable for the cement abundant parcel to coarse aggregate, make the intensity of overall mortar decline.
Aforementioned fine aggregate is flaky mica powder and talcum powder, and flaky mica powder and talcous granularity are
350～420 mesh, preferred flaky mica powder and talcous granularity are 400 mesh, additionally, the present invention
Adding flaky mica powder in formula, tiny laminated structure can be uniformly dispersed in mortar voids, forms fan
Palace effect, extends the permeation pathway of corrosive medium, plays good shielding action, can be effectively improved sand
The shielding of slurry, as previously described, adds flaky mica powder under special circumstances and can extend the infiltration of chlorion
Time, effectively extend the durability of steel construction, make the polymer plastic-blasting mortar of the present invention use at ocean park
Man scape, or the building of neighbouring ocean makes scape and all can be effectively improved durability；Furthermore, for the ease of spray
Being coated with construction, add talcum powder in the formula of the present invention, talcum powder can substitute for part of cement, delays mortar
Setting time, it is easy to smear smooth feeling after spraying.In specific implementation process, flaky mica powder accounts for overall premix
Powder 4% weight portion, talcum powder accounts for overall premix powders 4% weight portion.
Aforesaid active light thing can be silicon ash, flyash or slag, and silicon ash, flyash or slag belong to
Solid waste, adds specific examples of such components and can be effectively improved the property of polymer plastic-blasting mortar as active light thing
Can, the especially addition of silicon ash improves the thixotropy that mortar is overall, also for developing a circular economy, promotes green
Look Development of Cultural Industry contributes.In specific implementation process, the formula of the present invention selects silicon ash, fine coal
Ash is as active light thing, and flyash preferably uses second class powered coal ash, and silicon ash and flyash account for respectively
Overall premix powders 2% weight portion.
Additionally, the present invention reoffers the preparation method of a kind of aforementioned polymer plastic-blasting mortar simultaneously, comprise following
Step:
(1) modulation premix additive: first by fiber, water-loss reducer, corrosion inhibitor, lignocellulosic, bleed
Agent, water reducer and flexible rubber powder add in mixer by aforementioned ratio, after being stirred disperseing 5～10 minutes,
Obtain premixing additive.
(2) modulation premix powders: by the premix additive obtained in step 1 by aforementioned ratio add cement,
Coarse aggregate, elastic additive, active light material, fine aggregate, be stirred disperseing 5～10 in mixer
Minute can obtain premix powders.
(3) prepare described polymer plastic-blasting mortar: last, then will the premix powders of step 2 add relatively
In the water of described premix powders 14%～17%, after mixing and stirring, obtain described polymer plastic-blasting mortar.
According to aforesaid explanation, applicant propose lower section specific embodiment:
First will relatively premix the fiber of 12mm～the 22mm length of additive 20%, relatively premix additive 5%
Water-loss reducer, relatively the corrosion inhibitor of premix additive 15%, relatively premix additive 10% lignocellulosic,
Water reducer and the premix relatively of the air entraining agent of premix additive 0.5%, relatively premix additive 4.5% relatively adds
Add the flexible rubber powder of thing 45% and add stirring premix in mixer, agitated dispersion 5～obtain pre-after 10 minutes
Mixed additive.
Again by aforementioned premix additive 1.5% weight portion, silicon ash 2% weight portion, flyash 2% weight portion,
Flaky mica powder 4% weight portion, talcum powder 4% weight portion, cement 22% weight portion, river sand 50% weight
Amount part, elastic additive 0.5% weight portion, join in mortar mixer, dispersed with stirring 5～10 minutes can
Obtain premix powders.
In Mortar spraying machine, it is initially charged the water relative to premix powders 16%, adds aforementioned after starting stirring
Premix powders, i.e. complete the polymer plastic-blasting mortar of the present invention after mixing.According to above-mentioned embodiment
Polymer its performance characteristic parameter of plastic-blasting mortar of preparation is as follows:
The foregoing is only the present invention preferably embodiment, be not limited to the interest field of the present invention；
Above description, personage special for correlative technology field should understand and implement, and therefore other do not take off
The equivalence completed under disclosed spirit changes or modifies, and should be included in claim.
Claims (9)
1. a polymer plastic-blasting mortar, comprises premix powders and water, it is characterised in that: described water accounting is the 14%～17% of the most described premix powders；
The composition of described premix powders comprises according to weight ratio:
Wherein, described premix additive forms according to following weight percents: the fiber 25%～35% of 12mm～22mm length, water-loss reducer 3%～5%, corrosion inhibitor 10%～30%, lignocellulosic 12%～20%, air entraining agent 0.1%～3%, water reducer 3%～18%, flexible rubber powder 20%～50%.
Polymer plastic-blasting mortar the most according to claim 1, it is characterised in that: described coarse aggregate is little river sand.
Polymer plastic-blasting mortar the most according to claim 1, it is characterised in that: described fine aggregate is flaky mica powder and talcum powder.
Polymer plastic-blasting mortar the most according to claim 3, it is characterised in that: described flaky mica powder accounting is 4% weight portion, and described talcum powder accounting is 4% weight portion.
Polymer plastic-blasting mortar the most according to claim 4, it is characterised in that: described flaky mica powder and described talcous granularity are 350～420 mesh.
Polymer plastic-blasting mortar the most according to claim 1, it is characterised in that: described active light thing is silicon ash and flyash.
Polymer plastic-blasting mortar the most according to claim 6, it is characterised in that: described silicon ash accounting is 2% weight portion, and described flyash accounting is 2% weight portion.
Polymer plastic-blasting mortar the most according to claim 1, it is characterised in that: described elastic additive is high polymer elastic powder, comprises rubber powder/grain, elastic polyurethane powder/grain and pvc elasticity powder/grain.
9. the preparation method of the polymer plastic-blasting mortar as described in any one of claim 1～8, it is characterised in that: comprise the steps of
(1) modulation premix additive: fiber, water-loss reducer, corrosion inhibitor, lignocellulosic, air entraining agent, water reducer and flexible rubber powder are proportionally added in mixer, disperse 5～10 minutes, obtain described premix additive；
(2) modulation premix powders: described premix additive is proportionally added into cement, coarse aggregate, elastic additive, active light material, fine aggregate, disperses 5～10 minutes in described mixer, obtain described premix powders；
(3) described polymer plastic-blasting mortar is prepared: described premix powders will add the water relative to described premix powders 14%～17%, after mixing and stirring, obtain described polymer plastic-blasting mortar.
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| CN106396541B (en) * | 2016-08-30 | 2018-10-02 | 派丽(上海)管理有限公司 | A kind of lightweight spraying engraving mortar |
| CN107628787A (en) * | 2017-09-15 | 2018-01-26 | 王慧同 | A kind of landscape moulding and the method for making landscape moulding on ground or metope |
| CN108863199A (en) * | 2018-10-10 | 2018-11-23 | 天津市昊鹏建材股份有限公司 | A kind of high-elastic cracking resistance formula preparation method for building for pouring mortar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412609A (en) * | 2008-10-21 | 2009-04-22 | 中冶集团建筑研究总院 | Cement polymer mortar for reinforcing and repairing concrete |
| CN101935201A (en) * | 2009-06-30 | 2011-01-05 | 中冶建筑研究总院有限公司 | Single-component high-performance mortar for repairing and reinforcing concrete |
| CN102093079A (en) * | 2010-12-27 | 2011-06-15 | 北京冶建特种材料有限公司 | Dry powder for cement-emulsified asphalt mortar and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412609A (en) * | 2008-10-21 | 2009-04-22 | 中冶集团建筑研究总院 | Cement polymer mortar for reinforcing and repairing concrete |
| CN101935201A (en) * | 2009-06-30 | 2011-01-05 | 中冶建筑研究总院有限公司 | Single-component high-performance mortar for repairing and reinforcing concrete |
| CN102093079A (en) * | 2010-12-27 | 2011-06-15 | 北京冶建特种材料有限公司 | Dry powder for cement-emulsified asphalt mortar and preparation method thereof |
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