CN106242398A - A kind of novel high-strength/tenacity Waterproof mortar material that can be used for 3D building printing and preparation method thereof - Google Patents
A kind of novel high-strength/tenacity Waterproof mortar material that can be used for 3D building printing and preparation method thereof Download PDFInfo
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- CN106242398A CN106242398A CN201610614696.6A CN201610614696A CN106242398A CN 106242398 A CN106242398 A CN 106242398A CN 201610614696 A CN201610614696 A CN 201610614696A CN 106242398 A CN106242398 A CN 106242398A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses and a kind of can be used for novel high-strength/tenacity Waterproof mortar material and preparation method thereof that 3D building prints, wherein Waterproof mortar material includes the raw material of following parts by weight: 42.5# cement 100 parts；Mean diameter is 0.180～2.00mm sand 100～150 parts；The chopped polypropylene fibre 0.1 of a length of 9～12mm～1 part；The chopped polypropylene fibre 0.1 of a length of 6～9mm～1 part；The chopped vinal 0.1 of a length of 9～12mm～1 part；The chopped vinal 0.1 of a length of 6～9mm～1 part；The chopped basalt fibre 0.1 of a length of 9～12mm～1 part；The chopped basalt fibre 0.1 of a length of 6～9mm～1 part；HPMC cellulose 0.05～0.5 part；Flyash 2～20 parts；Water reducer 0.05～0.5 part；Defoamer 0～0.2 part；Air entraining agent 0～0.2 part；Water 25～45 parts.The Waterproof mortar material good fluidity of the present invention, curing rate is fast, it is adaptable to 3D builds printing, has excellent mechanical property, and its 28d comprcssive strength reaches 50～more than 60MPa, and limiting strain is 0.75～3.37%, and tensile strength reaches 6.4～10.2MPa；And after mortar molding, integral waterproofing excellent performance.
Description
Technical field
The present invention relates to mortar technical field, particularly relate to a kind of can be used for 3D building print novel high-strength/tenacity waterproof
Mortar material and preparation method thereof.
Background technology
The 3D printing i.e. one of rapid shaping technique, it is a kind of based on mathematical model file, and applying powder powder can
Jointing material, carrys out the technology of constructed object by the way of successively printing.
3D printing technique is described as the key technology of the third time industrial revolution, and it is to be come by digital technology file printing machine
Realizing, by 3-D scanning, CAD composition, then with 3D printer, material object is manufactured, the utilization of 3D printing technique is very
Extensively, may be used for the direct of part manufacture in Making mold, industrial design, simultaneously in building, engineering and construction, aviation boat
My god, the field such as automobile used.
When 3D printing technique is applied to building trade, at " ink " of 3D printer head ejection for including that mortar is (indistinct
Solidifying soil, after aggregate becomes bulky grain in mortar, is concrete) at interior material.For meeting the needs that 3D prints, mortar must have
Standby more preferable rheological characteristic and condensing the most rapidly, in addition it is also necessary to solve the most perfect combination problem between each layer,
This needs new additive to complete.It is to say, to reach preferable 3D printing effect, the mortar printing building for 3D exists
Need possess following four feature on self property: after (1) has gone out conveying pipe, curing rate is fast；(2) Self-curing performance is good；(3)
Good at conveying Bottomhole pressure, it is easy to promote and pump；(4) caking ability is high；5) waterproofing agent and latex powder are added, it can be ensured that outer
Wall, interior wall have waterproof action, and the exterior wall local becoming traditional is waterproof into integral waterproofing；Wherein, by adding certainly in concrete
Sealing compound, can make concrete be converted into stable crystallization when natural curing, thus obtain bigger intensity, pass through
Add the pumping admixtures such as water reducer and can improve the flowing property of concrete.
The concrete commonly used in architectural engineering does not has and may be used for the character that 3D prints.
Summary of the invention
The invention provides a kind of novel high-strength/tenacity Waterproof mortar material that can be used for 3D building printing and preparation side thereof
Method, this mortar material good fluidity, curing rate is fast, it is adaptable to after 3D builds printing, and body of wall molding, and integral waterproofing performance is excellent
Different, there is the feature of high intensity, high tenacity.
The technical scheme is that
A kind of can be used for the novel high-strength/tenacity Waterproof mortar material that 3D building prints, former including following parts by weight
Material:
42.5# cement 100 parts；
Mean diameter is 0.180～2.00mm sand 100～150 parts；
The chopped polypropylene fibre 0.1 of a length of 9～12mm～1 part；
The chopped polypropylene fibre 0.1 of a length of 6～9mm～1 part；
The chopped vinal 0.1 of a length of 9～12mm～1 part；
The chopped vinal 0.1 of a length of 6～9mm～1 part；
The chopped basalt fibre 0.1 of a length of 9～12mm～1 part；
The chopped basalt fibre 0.1 of a length of 6～9mm～1 part；
HPMC cellulose 0.05～0.5 part；
Flyash 2～20 parts；
Water reducer 0.05～0.5 part；
Defoamer 0～0.2 part；
Air entraining agent 0～0.2 part；
Water 25～45 parts.
Mortar material of the present invention can also be concrete material, is after in mortar material, particles of aggregates becomes greatly
Concrete.
Conventional concrete must can pile up sizing by EXS template, reinforcing bar, and conventional concrete is only
There is good anti-pressure ability, but tensile resistance is more weak.It is mixed that the present invention utilizes the composite fibre of different length specification to increase
The cementitiousness of solidifying soil, is uniformly mixed with chopped composite fibre, the construction material that the concrete material obtained " prints ", it is possible to fast
Speed piles up molding, and waterproof, anticracking, has splendid crushing resistance, pull resistance.
Vinal has good mechanical performance, and its intensity is high, modulus is high, limit elongation is low, and has
Good resistance to acids and bases, light resistance, corrosion resistance.Polypropylene fibre in uniform three dimensional random distribution, forms network in mortar
Reinforcement system.If mortar per ton mixes the polypropylene fibre of 1kg weight, then can get the monfil of more than 30,000,000；?
Mortar adds polypropylene fibre, can effectively reduce the mortar contraction fissure in mecystasis (no matter these cracks are visible
Or the most sightless), and the surface bleeding of fresh mortar and sedimentation of gathering materials can be significantly reduced；For mortar hardening body, poly-third
Alkene fiber can significantly reduce the quantity of deformation crack, i.e. when mortar hardening body is because can resisting and transmit when deformation produces stress
Stress, when mortar hardening body produces crack, it is possible to the stress of passivation crack tip is concentrated, and restraint crack extends.Basalt is
A kind of high performance volcanic rock component, this special silicate, make basalt fibre have excellent chemical resistance, have especially
The advantage having alkali resistance, therefore, basalt fibre is the excellent material for strengthening cement concrete, is also to substitute polyester fibre
Dimension, lignin fibre etc., for the product of the great competitiveness of concrete, can improve the high-temperature stability of concrete, anti-low-temperature cracking
Property and fatigue resistance etc..In addition to having the feature of high technical fibre high intensity, high-modulus, basalt fibre also has high temperature resistant
Property good, antioxidation, radioprotective, thermal acoustic insulation, filterability intensity good, incompressible and shear strength is high, be adapted under various environment
Excellent properties such as use, and cost performance is good, is the Inorganic Non-metallic Materials of a kind of pure natural, have natural with mortar, concrete
The compatibility, the mortar newly mixed, concrete volume stable, workability is the best.
There is between composite fibre used in the present invention good synergism.The intensity of vinal is very
Height, but it is relatively difficult to be dispersed in mortar；Polypropylene fibre and basalt fibre are very easy to be dispersed in mortar, polypropylene
Fiber and basalt fibre can increase vinal dispersibility in mortar, and three is complementary to one another, at concrete and
The internal grid system easily constituting a kind of uniform distributed in three dimensions of mortar, and push and pipe at the stator rotor of mortar conveyer
Extruding in road, network of fibers forms the distribution of certain orientation；The length of three is complementary to one another, and can retain mortar, coagulation
While soil comprcssive strength height, it is greatly increased its tension, performance wear-resisting, shock proof, can rise in mortar, concrete works
To reinforcement and strengthening, activeness and quietness, the effect such as increase the service life, and makes building heatproof, resisted shrinkage and corrosion-resistant.
The concrete material of the present invention also mixes more flyash, the Ca that flyash produces with cement hydration process
(OH)2There is pozzolanic reaction in effect, consumes the higher Ca of part thermal coefficient of expansion (OH)2, generate the thermal coefficient of expansions such as CSH
Relatively low product.Owing to the thermal coefficient of expansion of mixed concrete material with concrete, reinforcing bar is more or less the same, therefore at hot ring
Under border, the concrete material of the present invention can be with concrete and reinforcing bar compatible deformation, cooperation.Employing Guarded hot plate is measured
The heat conductivity of the concrete material of the present invention is 0.529W/m K, hence it is evident that less than the heat conductivity (difference of concrete and mortar
For 1.74W/m K and 0.93W/m K), in terms of insulation, it is much better than single concrete and mortar.
The intensity of concrete material of the present invention and service life are much higher than traditional Reinforced Concrete Materials, have high resistance to
The feature that ability is strong is split in property, high tenacity and control for a long time；And recoverable, alleviates the environment pressure that traditional architecture waste material causes significantly
Power.
As preferably, a kind of novel high-strength/tenacity Waterproof mortar material that can be used for 3D building printing, including following weight
The raw material of number:
42.5# cement 100 parts；
Mean diameter is 0.180～2.00mm sand 100～150 parts；
The chopped polypropylene fibre 0.1 of a length of 9～12mm～0.2 part；
The chopped polypropylene fibre 0.2 of a length of 6～9mm～0.4 part；
The chopped vinal 0.1 of a length of 9～12mm～0.2 part；
The chopped vinal 0.2 of a length of 6～9mm～0.4 part；
The chopped basalt fibre 0.1 of a length of 9～12mm～0.2 part；
The chopped basalt fibre 0.2 of a length of 6～9mm～0.4 part；
HPMC cellulose 0.05～0.5 part；
Flyash 2～20 parts；
Water reducer 0.05～0.5 part；
Defoamer 0～0.2 part；
Air entraining agent 0～0.2 part；
Waterproofing agent of organosilicon 0.2～0.4 part；
Redispersable latex powder 0.1～0.5 part；
Water 25～45 parts.
The mortar material of the present invention also mixes waterproofing agent of organosilicon, the active chemistry contained in waterproofing agent of organosilicon with
Concrete middle reaches ion cross reactions generates water-fast crystal, and crystal absorbs water in structure slit and expands, by dredge to
Close, make xoncrete structure top layer gradually form an impervious region the closeest to depth, substantially increase the impervious of structure entirety
Ability.Active substance remains to be activated by water after for many years, is continuously generated new penetrant crystalline thing, has permanent self-regeneration
Can, can reach the waterproof, moistureproof of permanence and protection reinforcing bar, the purpose of Concrete Structure structural strength.
The mortar material of the present invention also mixes redispersable latex powder, and redispersable latex powder is the redispersible powder of water solublity
End, is divided into the copolymer of ethylene/vinyl acetate, vinyl acetate/versatic acid ethylene copolymer, acrylic copolymer etc., spray
The powder adhesive that mist is made after drying, using polyvinyl alcohol as protecting colloid.This powder body after contact with water can be quickly
Redispersion becomes emulsion, redispersable latex powder to have high cementitiousness and a unique performance, such as: water-resistance, and application property and heat insulation
Property etc..
Add waterproofing agent of organosilicon and redispersable latex powder, it can be ensured that exterior wall, interior wall have waterproof action, become tradition
Exterior wall local the most waterproof for integral waterproofing.
As preferably, the Waterproof mortar material of the present invention also includes: metakaolin 5～15 parts, silicon ash 5～15 parts.
Silicon ash can significantly improve resistance to compression, anti-folding, impervious, anticorrosion, shock resistance and anti-wear performance, has extremely strong volcanic ash effect
Should, improve mechanical property and the durability of hardenite；Metakaolin can improve early strength and can improve concrete further
Endurance quality.
Metakaolin and silicon ash cause the decline of the fresh concrete slump, the fresh concrete slump containing metakaolin
Decline becomes apparent from；Metakaolin and silicon ash are respectively provided with the good effect of promoting the strong, and the effect of promoting the strong of the early stage of metakaolin is more excellent and right
The raising of concrete flexural strength is more notable；Along with metakaolin and the increase of Silica fume content, Chloride Ion in Concrete diffusion is
Number is remarkably decreased, and metakaolin is similar for the improvement effect of ion penetration resistance of concrete with silicon ash；Metakaolin and silicon
Ash all reduces the drying shrinkage after concrete 14d age, and metakaolin reduces the effect relatively silicon ash of concrete shrinkage more preferably.
Present invention also offers the preparation method of above-mentioned Waterproof mortar material, including:
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 100～150
Part, flyash 2～20 parts, to send into powder stirrer and carry out mix and blend, blender rotating speed is 60～80 rpms, and the time is
1～2 minute, temperature was room temperature.
(2) count by weight, take a length of 9～12mm chopped polypropylene fibre 0.1～1 part, a length of 6～9mm
Chopped polypropylene fibre 0.1～1 part, the chopped vinal 0.1 of a length of 9～12mm～1 part, a length of 6～9mm
Chopped vinal 0.1～1 part, the chopped basalt fibre 0.1 of a length of 9～12mm～1 part, a length of 6～9mm
Chopped basalt fibre 0.1～1 part, HPMC cellulose 0.05～0.5 part, join in the mixture obtained in step (1)
Carrying out mix and blend, whipping temp is room temperature, and blender rotating speed is 60～80 rpms, and the time is 2～4 minutes, is formed pre-
Mixed dry powder；
(3) count by weight, by water reducer 0.05～0.5 part, defoamer 0～0.2 part, air entraining agent 0～0.2 part of addition
Being stirred in the premix dry powder obtained in step (2), whipping temp is room temperature, and blender rotating speed is 60～80 turns every point
Clock, the time is 3～5 minutes；
(4) the premix dry powder obtained in above-mentioned steps (3) is transported in mixing and blending machine, addition water 25～45 parts, mixed
Conjunction stirs, and mixing time is about 4～6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains Waterproof mortar material.
As preferably, step (1) is additionally added metakaolin 5～15 parts, silicon ash 5～15 parts, together with cement, sand
Send in powder stirrer and carry out mix and blend.
As preferably, be additionally added in step (3) waterproofing agent of organosilicon 0.2～0.4 part, redispersable latex powder 0.1～
0.5 part.
Compared with prior art, the invention have the benefit that
The Waterproof mortar material good fluidity of the present invention, curing rate is fast, it is adaptable to 3D builds printing, has excellent power
Learning performance, its 28d comprcssive strength reaches 50～more than 60MPa, and limiting strain is 0.75～3.37%, and tensile strength reaches 6.4
～10.2MPa；And after mortar molding, integral waterproofing excellent performance.
Detailed description of the invention
Embodiment 1
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 100 parts, powder
Coal ash 2 parts, metakaolin 5 parts, silicon ash 5 parts, send into powder stirrer and carry out mix and blend, blender rotating speed be 60～80 turns every
Minute, the time is 1 minute, and temperature is room temperature.
(2) count by weight, take the chopped polypropylene fibre 0.5 part of a length of 9～12mm, a length of 6～9mm short
Cutting polypropylene fibre 0.25 part, the chopped vinal of a length of 9～12mm 0.5 part, the chopped of a length of 6～9mm is gathered
Alcohol fibers 0.25 part, the chopped basalt fibre of a length of 9～12mm 0.5 part, the chopped basalt of a length of 6～9mm
Fiber 0.25 part, HPMC cellulose 0.05 part, join and the mixture obtained in step (1) carries out mix and blend, stirring temperature
Degree is room temperature, and blender rotating speed is 60～80 rpms, and the time is 2 minutes, forms premix dry powder；
(3) count by weight, by water reducer 0.01 part, defoamer 0.01 part, air entraining agent 0.01 part, waterproofing agent of organosilicon
0.3 part, redispersable latex powder 0.3 part, join in the premix dry powder obtained in step (2) and be stirred, whipping temp is
Room temperature, blender rotating speed is 60～80 rpms, and the time is 3 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 30 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 4 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains the Waterproof mortar material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches more than 63MPa, limiting strain be 0.7～
0.9%, tensile strength is 6.1～7.3MPa.
Embodiment 2
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 150 parts, powder
Coal ash 15 parts, metakaolin 15 parts, silicon ash 15 parts, to send into powder stirrer and carry out mix and blend, blender rotating speed is 60～80
Rpm, the time is 2 minutes, and temperature is room temperature.
(2) count by weight, take the chopped polypropylene fibre 0.2 part of a length of 9～12mm, a length of 6～9mm short
Cut polypropylene fibre 0.8 part, the chopped vinal of a length of 9～12mm 0.2 part, the poly-second of chopped of a length of 6～9mm
Enol fiber 0.8 part, the chopped basalt fibre of a length of 9～12mm 0.2 part, the chopped basalt fibre of a length of 6～9mm
0.8 part, HPMC cellulose 0.15 part, join in the mixture obtained in step (1) and carry out mix and blend, whipping temp is normal
Temperature, blender rotating speed is 60～80 rpms, and the time is 4 minutes, forms premix dry powder；
(3) count by weight, by water reducer 0.2 part, defoamer 0.2 part, swelling fiber anti-crack water-proof agent 0.2 part, draw
Gas agent 0.2 part joins in the premix dry powder obtained in step (2) and is stirred, and whipping temp is room temperature, and blender rotating speed is
60～80 rpms, the time is 5 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 45 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains the Waterproof mortar material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches more than 51MPa, and limiting strain is 0.75%,
Tensile strength is 6.4MPa.
Embodiment 3
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 120 parts, powder
Coal ash 7 parts, sends into powder stirrer and carries out mix and blend, and blender rotating speed is 60～80 rpms, and the time is 1 minute, temperature
Degree is room temperature.
(2) count by weight, take the chopped polypropylene fibre 0.1 part of a length of 9～12mm, a length of 6～9mm short
Cut polypropylene fibre 0.2 part, the chopped vinal of a length of 9～12mm 0.1 part, the poly-second of chopped of a length of 6～9mm
Enol fiber 0.2 part, the chopped basalt fibre of a length of 9～12mm 0.1 part, the chopped basalt fibre of a length of 6～9mm
0.2 part, HPMC cellulose 0.1 part, join in the mixture obtained in step (1) and carry out mix and blend, whipping temp is normal
Temperature, blender rotating speed is 60～80 rpms, and the time is 3 minutes, forms premix dry powder；
(3) count by weight, by water reducer 0.1 part, defoamer 0.1 part, swelling fiber anti-crack water-proof agent 0.15 part, draw
Gas agent 0.1 part joins in the premix dry powder obtained in step (2) and is stirred, and whipping temp is room temperature, and blender rotating speed is
60～80 rpms, the time is 4 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 40 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 5 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains the Waterproof mortar material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches more than 55MPa, and limiting strain is 1.5%,
Tensile strength is 7.3MPa.
Embodiment 4
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 120 parts, powder
7 parts of metakaolins of coal ash 7 parts, silicon ash 7 parts, sends into powder stirrer and carries out mix and blend, blender rotating speed be 60～80 turns every
Minute, the time is 1 minute, and temperature is room temperature；
(2) count by weight, take the chopped polypropylene fibre 0.1 part of a length of 9～12mm, a length of 6～9mm short
Cut polypropylene fibre 0.2 part, the chopped vinal of a length of 9～12mm 0.1 part, the poly-second of chopped of a length of 6～9mm
Enol fiber 0.2 part, the chopped basalt fibre of a length of 9～12mm 0.1 part, the chopped basalt fibre of a length of 6～9mm
0.2 part, HPMC cellulose 0.1 part, join in the mixture obtained in step (1) and carry out mix and blend, whipping temp is normal
Temperature, blender rotating speed is 60～80 rpms, and the time is 2～4 minutes, forms premix dry powder；
(3) count by weight, by water reducer 1 part, defoamer 0.1 part, swelling fiber anti-crack water-proof agent 0.2 part, bleed
Agent 0.2 part joins in the premix dry powder obtained in step (2) and is stirred, and whipping temp is room temperature, and blender rotating speed is 60
～80 rpms, the time is 3～5 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 40 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 4～6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains concrete material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches 65MPa, and limiting strain is 2.37%, tension
Intensity is 9.8MPa.
Comparative example 1
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 100 parts, powder
Coal ash 2 parts, sends into powder stirrer and carries out mix and blend, and blender rotating speed is 60～80 rpms, and the time is 1 minute, temperature
Degree is room temperature；
(2) count by weight, take the chopped polypropylene fibre 1 part of a length of 9～12mm, a length of 6～the chopped of 9mm
Polypropylene fibre 5 parts, HPMC cellulose 0.05～0.15 part, join and the mixture obtained in step (1) carries out mixing stir
Mixing, whipping temp is room temperature, and blender rotating speed is 60～80 rpms, and the time is 2 minutes, forms premix dry powder；
(3) counting by weight, by water reducer 1 part, defoamer 0.01 part, air entraining agent 0.1 part joins in step (2) and obtains
Being stirred in the premix dry powder obtained, whipping temp is room temperature, and blender rotating speed is 60～80 rpms, and the time is 3 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 30 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 4～6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains concrete material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches 49～52MPa, limiting strain be 0.019～
0.021%, tensile strength is 3.8～4.5MPa.
Comparative example 2
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 100 parts, powder
Coal ash 15 parts, sends into powder stirrer and carries out mix and blend, and blender rotating speed is 60～80 rpms, and the time is 1～2 point
Clock, temperature is room temperature；
(2) count by weight, the chopped vinal of a length of 9～12mm 1 part, a length of 6～the chopped of 9mm
Vinal 5 parts, HPMC cellulose 0.05～0.15 part, join in the mixture obtained in step (1) and mix
Stirring, whipping temp is room temperature, and blender rotating speed is 60～80 rpms, and the time is 4 minutes, forms premix dry powder；
(3) count by weight, by water reducer 2 parts, defoamer 0.2 part, swelling fiber anti-crack water-proof agent 0.2 part, bleed
Agent 0.2 part joins in the premix dry powder obtained in step (2) and is stirred, and whipping temp is room temperature, and blender rotating speed is 60
～80 rpms, the time is 3 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 40 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains concrete material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches 50～51.5MPa, and limiting strain is 0.021
～0.022%, tensile strength is 4.3～4.8MPa.
Comparative example 3
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 100 parts, powder
Coal ash 15 parts, sends into powder stirrer and carries out mix and blend, and blender rotating speed is 60～80 rpms, and the time is 2 minutes, temperature
Degree is room temperature；
(2) count by weight, take the chopped polypropylene fibre 1 part of a length of 9～12mm, a length of 9～12mm short
Cut vinal 1 part, the chopped basalt fibre of a length of 9～12mm 1 part, HPMC cellulose 0.15 part, join step
Suddenly carrying out mix and blend in the mixture obtained in (1), whipping temp is room temperature, and blender rotating speed is 60～80 rpms,
Time is 4 minutes, forms premix dry powder；
(3) count by weight, by water reducer 1 part, defoamer 0.01 part, swelling fiber anti-crack water-proof agent 0.2 part, bleed
Agent 0.2 part joins in the premix dry powder obtained in step (2) and is stirred, and whipping temp is room temperature, and blender rotating speed is 60
～80 rpms, the time is 3 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 45 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains concrete material of the present invention.
Testing this Waterproof mortar material, its 28d comprcssive strength reaches 51～53MPa, limiting strain be 0.028～
0.03%, tensile strength is 4.7～5MPa.
Comparative example 4
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 120 parts, powder
7 parts of metakaolins of coal ash 7 parts, silicon ash 7 parts, sends into powder stirrer and carries out mix and blend, blender rotating speed be 60～80 turns every
Minute, the time is 1 minute, and temperature is room temperature；
(2) count by weight, take the chopped polypropylene fibre 5 parts of a length of 6～9mm, a length of 6～the chopped of 9mm
Vinal 5 parts, the chopped basalt fibre of a length of 6～9mm 5 parts, HPMC cellulose 0.1 part, join step (1)
Carrying out mix and blend in the mixture of middle acquisition, whipping temp is room temperature, and blender rotating speed is 60～80 rpms, and the time is
2～4 minutes, form premix dry powder；
(3) count by weight, by water reducer 1 part, defoamer 0.1 part, swelling fiber anti-crack water-proof agent 0.2 part, bleed
Agent 0.2 part joins in the premix dry powder obtained in step (2) and is stirred, and whipping temp is room temperature, and blender rotating speed is 60
～80 rpms, the time is 3～5 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), add 40 parts of water, mixing is stirred
Mixing uniformly, mixing time is about 4～6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 turns every point
Clock, obtains concrete material of the present invention.
Testing this Waterproof mortar material, 28d comprcssive strength reaches 51.5～52.3MPa, and limiting strain is 0.027
～0.029%, tensile strength is 4.97～5.1MPa.
Technical scheme and beneficial effect have been described in detail by embodiment described above, it should be understood that
The foregoing is only the specific embodiment of the present invention, be not limited to the present invention, all done in the spirit of the present invention
Any amendment, supplement and equivalent etc., should be included within the scope of the present invention.
Claims (6)
1. one kind can be used for the novel high-strength/tenacity Waterproof mortar material that 3D building prints, it is characterised in that include following weight
The raw material of number:
42.5# cement 100 parts；
Mean diameter is 0.180～2.00mm sand 100～150 parts；
The chopped polypropylene fibre 0.1 of a length of 9～12mm～1 part；
The chopped polypropylene fibre 0.1 of a length of 6～9mm～1 part；
The chopped vinal 0.1 of a length of 9～12mm～1 part；
The chopped vinal 0.1 of a length of 6～9mm～1 part；
The chopped basalt fibre 0.1 of a length of 9～12mm～1 part；
The chopped basalt fibre 0.1 of a length of 6～9mm～1 part；
HPMC cellulose 0.05～0.5 part；
Flyash 2～20 parts；
Water reducer 0.05～0.5 part；
Defoamer 0～0.2 part；
Air entraining agent 0～0.2 part；
Water 25～45 parts.
Waterproof mortar material the most according to claim 1, it is characterised in that include the raw material of following parts by weight:
42.5# cement 100 parts；
Mean diameter is 0.180～2.00mm sand 100～150 parts；
The chopped polypropylene fibre 0.1 of a length of 9～12mm～0.2 part；
The chopped polypropylene fibre 0.2 of a length of 6～9mm～0.4 part；
The chopped vinal 0.1 of a length of 9～12mm～0.2 part；
The chopped vinal 0.2 of a length of 6～9mm～0.4 part；
The chopped basalt fibre 0.1 of a length of 9～12mm～0.2 part；
The chopped basalt fibre 0.2 of a length of 6～9mm～0.4 part；
HPMC cellulose 0.05～0.5 part；
Flyash 2～20 parts；
Water reducer 0.05～0.5 part；
Defoamer 0～0.2 part；
Air entraining agent 0～0.2 part；
Waterproofing agent of organosilicon 0.2～0.4 part；
Redispersable latex powder 0.1～0.5 part；
Water 25～45 parts.
Waterproof mortar material the most according to claim 1, it is characterised in that also include: metakaolin 5～15 parts, silicon ash 5
～15 parts.
4. the preparation method according to the Waterproof mortar material described in any one of claims 1 to 3, it is characterised in that including:
(1) mark meter by weight, takes 42.5# cement 100 parts, and mean diameter is 0.180～2.00mm sand 100～150 parts, powder
Coal ash 2～20 parts, send into powder stirrer and carry out mix and blend, and blender rotating speed is 60～80 rpms, and the time is 1～2
Minute, temperature is room temperature.
(2) count by weight, take a length of 9～12mm chopped polypropylene fibre 0.1～1 part, a length of 6～9mm short
Cut polypropylene fibre 0.1～1 part, the chopped vinal 0.1 of a length of 9～12mm～1 part, a length of 6～9mm short
Cut vinal 0.1～1 part, the chopped basalt fibre 0.1 of a length of 9～12mm～1 part, a length of 6～9mm short
Cut basalt fibre 0.1～1 part, HPMC cellulose 0.05～0.5 part, join in the mixture obtained in step (1) and carry out
Mix and blend, whipping temp is room temperature, and blender rotating speed is 60～80 rpms, and the time is 2～4 minutes, forms premix dry
Powder；
(3) counting by weight, by water reducer 0.05～0.5 part, defoamer 0～0.2 part, air entraining agent 0～0.2 part join step
Suddenly being stirred in the premix dry powder obtained in (2), whipping temp is room temperature, and blender rotating speed is 60～80 rpms, time
Between be 3～5 minutes；
(4) being transported in mixing and blending machine by the premix dry powder obtained in above-mentioned steps (3), addition water 25～45 parts, mixing is stirred
Mixing uniformly, mixing time is about 4～6 minutes, whipping temp >=5 DEG C；
(5) mixture obtained in step (4) being used extruder extrusion, the rotating speed of extruder is 50～100 rpms,
To Waterproof mortar material.
The preparation method of Waterproof mortar material the most according to claim 4, it is characterised in that in step (1), be additionally added
Metakaolin 5～15 parts, silicon ash 5～15 parts, send into together with cement, sand and carry out mix and blend in powder stirrer.
The preparation method of Waterproof mortar material the most according to claim 4, it is characterised in that in step (3), be additionally added
Waterproofing agent of organosilicon 0.2～0.4 part, redispersable latex powder 0.1～0.5 part.
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