CN108164215A - It is a kind of for lightweight aggregate concrete of 3D printing and preparation method and application - Google Patents
It is a kind of for lightweight aggregate concrete of 3D printing and preparation method and application Download PDFInfo
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- CN108164215A CN108164215A CN201711434195.0A CN201711434195A CN108164215A CN 108164215 A CN108164215 A CN 108164215A CN 201711434195 A CN201711434195 A CN 201711434195A CN 108164215 A CN108164215 A CN 108164215A
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00181—Mixtures specially adapted for three-dimensional printing (3DP), stereo-lithography or prototyping
-
- 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)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of lightweight aggregate concrete for 3D printing and its preparation and application, which includes the component of following parts by weight：100 parts of portland cement；30 parts of flyash；1~5 part of silicon ash；20~45 parts of water；1~5 part of accelerator；1~5 part of early strength agent；1~3 part of flocculant；80~200 parts of lightweight aggregate; during preparation; haydite is first mixed to get lightweight aggregate; then portland cement, flyash, silicon ash, accelerator and early strength agent are mixed to get mixed powder; finally lightweight aggregate and mixed powder are uniformly mixed and add in water, the coagulation being prepared and the raw material that can be used as 3D printer construction concrete structure.Compared with prior art, own wt of the present invention is light, and substantially reducing print procedure, concrete to the pressure of lower-layer concrete, reduces the plastic deformation of bottom concrete at the middle and upper levels, the possibility to collapse is reduced simultaneously, and the concrete can make concrete material have the function of heat-insulated and heat preservation.
Description
Technical field
The present invention relates to technical field of civil engineering, and in particular to a kind of lightweight aggregate concrete and its system for 3D printing
Preparation Method and application.
Background technology
Concrete is that usage amount maximum, construction material widest in area, development have the history of 200 years in Contemporary Architecture,
The huge architecture engineering material of contemporary society's usage amount is become, architectural engineering has been contributed huge.But traditional architectural technology
In, the use of concrete can generate very a high proportion of building waste again.China generates about 600,000,000 tons of building waste per annual meeting.Add
Human cost increase, the building trade high as concrete usage amount will welcome primary huge challenge.It is therefore desirable to
In building trade, develop a kind of novel construction material and construction technology substitutes traditional construction technology, so as to reduce with mixed
The production quantity of building waste based on solidifying soil.In recent years, it the emerging 3D printing concrete for combining 3D printing technique and its applies
The appearance of work technology, become be building field a big innovation, be constructed to main feature to increase material and reduce coagulation great soil group building
The production quantity of rubbish will start the technological revolution in future architecture field.Concrete 3D printing technique carries out three by computer
Dimension modeling, is successively printed as concrete structure using control of correspondent program mechanical equipment, formwork is eliminated in building course and is torn open
The complex process of mould, greatly improves production efficiency.
But print structure in forming process without mould support, this requires concrete mix needs bear to conduct oneself with dignity
And the effect of other loads, it is condensed rapidly under the conditions of indeformable, reaches target strength.Conventional concrete material is not
The requirement of 3D printing technique can be met, the selection of concrete material and proportioning are urgently improved.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of stacking performance is good
Lightweight aggregate concrete for 3D printing and preparation method and application.
The purpose of the present invention can be achieved through the following technical solutions：A kind of lightweight aggregate concrete for 3D printing,
The concrete includes the component of following parts by weight：
Portland cement is the most common cement of engineering, add a certain amount of flyash and silicon ash can in concrete shape
Into more closely knit structure, so as to improve the mechanical property of concrete, aggregate is the skeleton of concrete, and this patent considers that printing is set
Standby line size and jet size, only with fine aggregate, meanwhile, concrete is made further to meet by the adjusting of additive and beaten
The requirement of print, wherein, additive includes accelerator, early strength agent and flocculant.
Preferably, the model 42.5R of the portland cement, the grade of the flyash is I grade, the silicon ash
Grade is I grade.42.5R portland cement have certain early strong effect so that concrete have shorter initial set and final set
Time, the concrete printed can be quickly molded.I grades of flyash and silicon ash has the surface area of bigger, and activity is stronger.
Adding coal ash and silicon ash can fill up the gap of cement granules, and concrete structure is made to have more preferably performance.
Preferably, the accelerator be alkali-free liquid accelerator, including using aluminum sulfate as key component accelerator,
Using aluminum sulfate and sodium aluminate as the accelerator of key component, using aluminum sulfate and aluminium hydroxide as the accelerator of key component, with sulphur
Sour aluminium and sodium fluoride are the accelerator of key component or the accelerator using aluminum sulfate and magnesium sulfate as key component.Accelerator can be with
Greatly shorten presetting period and the final setting time of concrete, make concrete i.e. plastic after printing head extrusion.
Preferably, the early strength agent for inorganic salts early strength agent, organic compound early strength agent or compound early strength agent and
One kind in early strength water-reducing agent, wherein, the inorganic salts early strength agent is includes chloride, sulfate, nitrite or carbonic acid
The additive with early strength function of salt；The organic compound early strength agent be comprising methanol, ethyl alcohol, ethylene glycol, triethanolamine,
The additive with early strength function of triisopropanolamine, diethanol amine or urea, the compound early strength agent and early strength water-reducing agent
To include the mixing early strength agent simultaneously comprising inorganic salts early strength agent and organic compound early strength agent.Early strength agent can improve coagulation
The early strength of soil makes concrete that there is enough intensity to form self-supporting.
Preferably, the flocculant for watersoluble organic polymer, fine inorganic material, organic water soluble flocculant or
Organic material lotion, wherein, the watersoluble organic polymer include ferry grease, amylan, poly- atmosphere ethylene, polyacrylamide,
Carboxy vinyl polymer or polyvinyl alcohol, these materials can increase the viscosity of fresh concrete, the fine inorganic material packet
The water holding capacity of fresh concrete can be increased by including such as silicon ash, alumina silicate, bentonite or diatomite, these materials, increase density,
The organic water soluble flocculant includes styrene copolymerisation object, natural gum, water-soluble polysaccharide polymer or prestige with alkyl
Blue resin, these materials can also increase the viscosity of fresh concrete, and the organic material lotion includes acrylic emulsion or paraffin
Lotion, these materials can improve the attraction between cement granules.
Preferably, the lightweight aggregate includes the haydite that grain size is 0~5mm, wherein, grain size is 3~5mm haydites, grain size
It is (20~40) for the mass ratio that 1~3mm haydites and grain size are 0~1mm haydites：(60~80)：(30~50).3D printing coagulation
Soil needs the requirement for meeting self-supporting, can mitigate the dead weight of concrete using aglite, so as to better self-supporting
Property.Meanwhile it can ensure that the grading of lightweight aggregate is good using the mass ratio.
Preferably, the haydite includes haydites of book structure or lytag.
A kind of preparation method for the lightweight aggregate concrete for being used for 3D printing as described above, including following steps：
(1) haydite of different-grain diameter is uniformly mixed, it is spare obtains lightweight aggregate；By portland cement, flyash, silicon ash,
Accelerator, early strength agent, flocculant are uniformly mixed, and mixed powder is made；
(2) lightweight aggregate and mixed powder made from step (1) are uniformly mixed, obtain mixed raw material；
(3) before 3D printing, mixed raw material with water is mixed, is stirring evenly and then adding into and is printed into 3D printer.
Powder is mixed first, is conducive to the practical application of engineering, powder can be filled directly after being mixed in factory
Bag, can be printed after engineering site plus water mix.
A kind of application for the lightweight aggregate concrete for being used for 3D printing as described above, it is mixed which is used as 3D printer construction
The raw material of Xtah Crude Clay structure, the concrete structure include the lightweight wall of insulation.
Compared with prior art, beneficial effects of the present invention are embodied in：
(1) own wt is compared with traditional concrete material, significantly reduces 10%~30%, is substantially reduced and was printed
Concrete to the pressure of lower-layer concrete, reduces the plastic deformation of bottom concrete, while reduce what is collapsed to journey at the middle and upper levels
Possibility；
(2) since, there are hole, which has the function of heat-insulated and heat preservation in lightweight aggregate.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of lightweight aggregate concrete for 3D printing includes the raw material of following parts by weight：42.5R Portland cements
100 parts, 30 parts, I grades 1 part of silicon ashes of I grades of flyash, 20 parts of water, 2 parts of accelerator, 2 parts of early strength agent, 1 part of flocculant, lightweight aggregate 100
Part.
The raw material and its weight ratio of lightweight aggregate be：3-5mm lytags：1-3mm lytags：0-1mm ceramics
Grain=20：80：30.
The preparation method of the above-mentioned lightweight aggregate concrete for 3D printing includes the following steps：
Step 1：By formula ratio by the flyash of the ceramic particle of 0-1mm, the lytag of 1-3mm grain sizes and 3-5mm
Haydite is mixed, and is stirred evenly, and lightweight aggregate raw material is made, spare；
Step 2：By formula ratio by 42.5R Portland cements, flyash, silicon ash, accelerator, early strength agent and flocculant
Mixing, stirs evenly, and mixture is made, spare；
Step 3：The lightweight aggregate raw material as made from formula ratio by step 1 is added in mixture made from step 2, and stirring is equal
It is even, powder is made, it is spare；
Step 4：Powder obtained in step 3 with water is mixed by formula ratio, stirs evenly, is made for the light of 3D printing
Aggregate concrete.
Embodiment 2
A kind of lightweight aggregate concrete for 3D printing includes the raw material of following parts by weight：42.5R Portland cements
100 parts, 30 parts, I grades 5 parts of silicon ashes of I grades of flyash, 25 parts of water, 3 parts of accelerator, 3 parts of early strength agent, 1 part of flocculant, lightweight aggregate 120
Part.
The raw material and its weight ratio of lightweight aggregate be：The ceramic particle of 0-1mm：3-5mm haydites of book structure：1-3mm flyash ceramics
Grain=30：30：70.
The preparation method of the above-mentioned lightweight aggregate concrete for 3D printing includes the following steps：
Step 1：By formula ratio:The haydites of book structure of 0-1mm ceramic particles, the lytag of 1-3mm grain sizes and 3-5mm into
Row mixing, stirs evenly, and lightweight aggregate raw material is made, spare；
Step 2：By formula ratio by 42.5R Portland cements, flyash, silicon ash, accelerator, early strength agent and flocculant
Mixing, stirs evenly, and mixture is made, spare；
Step 3：The lightweight aggregate raw material as made from formula ratio by step 1 is added in mixture made from step 2, and stirring is equal
It is even, powder is made, it is spare；
Step 4：Powder obtained in step 3 with water is mixed by formula ratio, stirs evenly, is made for the light of 3D printing
Aggregate concrete.
Mechanics Performance Testing is carried out to corresponding lightweight aggregate, correlated performance is as follows：
7 days compression strength perpendicular to Print direction reach 21.7Mpa, reach along 28 days compression strength of Print direction
16.3Mpa；
28 days compression strength perpendicular to Print direction reach 34.4Mpa, are reached along 28 days compression strength of Print direction
To 27.8Mpa；
7 days tensile strength perpendicular to Print direction reach 4.1Mpa, reach along 28 days tensile strength of Print direction
3.5Mpa；
28 days tensile strength perpendicular to Print direction reach 5.6Mpa, reach along 28 days tensile strength of Print direction
4.8Mpa。
Embodiment 3
Using formula similar to Example 2, the difference lies in the formula of the present embodiment is as follows：
After testing, lightweight aggregate concrete has good tension resistance performance.
Embodiment 4
Using formula similar to Example 2, the difference lies in the formula of the present embodiment is as follows：
After testing, lightweight aggregate concrete has good tension resistance performance.
Claims (9)
1. a kind of lightweight aggregate concrete for 3D printing, which is characterized in that the concrete includes the component of following parts by weight：
A kind of 2. lightweight aggregate concrete for 3D printing according to claim 1, which is characterized in that the silicate
The model 42.5R of cement, the grade of the flyash is I grade, and the grade of the silicon ash is I grade.
A kind of 3. lightweight aggregate concrete for 3D printing according to claim 1, which is characterized in that the accelerator
For the accelerator of alkali-free liquid, including using aluminum sulfate as the accelerator of key component, using aluminum sulfate and sodium aluminate as key component
Accelerator, using aluminum sulfate and aluminium hydroxide as the accelerator of key component, using aluminum sulfate and sodium fluoride as the speed of key component
Solidifying agent or using aluminum sulfate and magnesium sulfate as the accelerator of key component.
A kind of 4. lightweight aggregate concrete for 3D printing according to claim 1, which is characterized in that the early strength agent
For one kind in inorganic salts early strength agent, organic compound early strength agent or compound early strength agent and early strength water-reducing agent, wherein, it is described
Inorganic salts early strength agent is the additive with early strength function comprising chloride, sulfate, nitrite or carbonate；It is described
Organic compound early strength agent is the tool for including methanol, ethyl alcohol, ethylene glycol, triethanolamine, triisopropanolamine, diethanol amine or urea
Have an additive of early strength function, the compound early strength agent and early strength water-reducing agent be comprising simultaneously comprising inorganic salts early strength agent and
The mixing early strength agent of organic compound early strength agent.
A kind of 5. lightweight aggregate concrete for 3D printing according to claim 1, which is characterized in that the flocculant
For watersoluble organic polymer, fine inorganic material, organic water soluble flocculant or organic material lotion, wherein, it is described water-soluble
Property organic polymer include ferry grease, amylan, poly- atmosphere ethylene, polyacrylamide, carboxy vinyl polymer or polyvinyl alcohol, institute
It states fine inorganic material and includes such as silicon ash, alumina silicate, bentonite or diatomite, the organic water soluble flocculant is included with hydrocarbon
Styrene copolymerisation object, natural gum, water-soluble polysaccharide polymer or the Welland resin of base, the organic material lotion include propylene
Yogurt liquid or paraffin wax emulsions.
A kind of 6. lightweight aggregate concrete for 3D printing according to claim 1, which is characterized in that the lightweight aggregate
Including the haydite that grain size is 0~5mm, wherein, grain size is 3~5mm haydites, grain size is 1~3mm haydites and grain size is 0~1mm potteries
The mass ratio of grain is (20~40)：(60~80)：(30~50).
A kind of 7. lightweight aggregate concrete for 3D printing according to claim 6, which is characterized in that the haydite packet
Include haydites of book structure or lytag.
8. a kind of exist as described in claim 1~7 is any for the preparation method of the lightweight aggregate concrete of 3D printing, feature
In including following steps：
(1) haydite of different-grain diameter is uniformly mixed, it is spare obtains lightweight aggregate；By portland cement, flyash, silicon ash, rapid hardening
Agent, early strength agent, flocculant are uniformly mixed, and mixed powder is made；
(2) lightweight aggregate and mixed powder made from step (1) are uniformly mixed, obtain mixed raw material；
(3) before 3D printing, mixed raw material with water is mixed, is stirring evenly and then adding into and is printed into 3D printer.
9. a kind of application for the lightweight aggregate concrete that 3D printing is used for as described in claim 1~7 is any, which is characterized in that should
Concrete is used as the raw material that 3D printer builds concrete structure, and the concrete structure includes the lightweight wall of insulation.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943324A (en) * | 2018-07-04 | 2018-12-07 | 华南理工大学 | A kind of 3D printing powder bonding method based on water-soluble effect |
| CN109001237A (en) * | 2018-09-25 | 2018-12-14 | 长安大学 | A kind of rock mass internal structure production method based on CT scan and 3D printing |
| CN109503067A (en) * | 2018-11-19 | 2019-03-22 | 青岛崇置混凝土工程有限公司 | Light aggregate concrete and preparation method thereof |
| CN109734388A (en) * | 2019-02-22 | 2019-05-10 | 广州建筑产业研究院有限公司 | A kind of mortar and its preparation method and application |
| CN109956724A (en) * | 2019-04-23 | 2019-07-02 | 中电建水环境治理技术有限公司 | A kind of novel 3D printing pottery sand cement-base composite material and its preparation and application |
| CN110078459A (en) * | 2019-04-23 | 2019-08-02 | 中电建水环境治理技术有限公司 | A kind of novel 3D printing is crushed haydite concrete material and its preparation and application |
| CN110105029A (en) * | 2019-05-13 | 2019-08-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of waterproof thermal insulation mortar and its preparation method and application for 3D printing building |
| CN111018448A (en) * | 2019-12-31 | 2020-04-17 | 浙江大学 | Anti-freezing concrete for 3D printing in low-temperature environment and construction method thereof |
| CN111635156A (en) * | 2020-06-08 | 2020-09-08 | 上海国惠环保科技集团有限公司 | Preparation method of 3D printing building material aggregate |
| CN112536884A (en) * | 2020-11-17 | 2021-03-23 | 深圳大学 | Coarse aggregate planting and burying device and 3D printer |
| CN113636811A (en) * | 2021-08-10 | 2021-11-12 | 成都精准混凝土有限公司 | Concrete for 3D printing and preparation method thereof |
| CN115710111A (en) * | 2022-12-19 | 2023-02-24 | 科之杰新材料集团有限公司 | Pumpable 3D printing concrete and preparation method thereof |
| CN115807475A (en) * | 2021-09-14 | 2023-03-17 | 纳米及先进材料研发院有限公司 | Light assembled building structure module |
| CN115947585A (en) * | 2023-02-13 | 2023-04-11 | 南京工业大学 | Copper-nickel slag 3d printing baking-free carbonized ceramsite and preparation method thereof |
| CN116217203A (en) * | 2023-03-23 | 2023-06-06 | 东北大学 | Ceramic 3D printing material based on siliceous shale and preparation method thereof |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943324A (en) * | 2018-07-04 | 2018-12-07 | 华南理工大学 | A kind of 3D printing powder bonding method based on water-soluble effect |
| CN109001237A (en) * | 2018-09-25 | 2018-12-14 | 长安大学 | A kind of rock mass internal structure production method based on CT scan and 3D printing |
| CN109503067A (en) * | 2018-11-19 | 2019-03-22 | 青岛崇置混凝土工程有限公司 | Light aggregate concrete and preparation method thereof |
| CN109503067B (en) * | 2018-11-19 | 2021-02-02 | 青岛崇置混凝土工程有限公司 | Light aggregate concrete and preparation method thereof |
| CN109734388A (en) * | 2019-02-22 | 2019-05-10 | 广州建筑产业研究院有限公司 | A kind of mortar and its preparation method and application |
| CN109734388B (en) * | 2019-02-22 | 2021-07-30 | 广州建筑产业研究院有限公司 | Mortar and preparation method and application thereof |
| CN109956724A (en) * | 2019-04-23 | 2019-07-02 | 中电建水环境治理技术有限公司 | A kind of novel 3D printing pottery sand cement-base composite material and its preparation and application |
| CN110078459A (en) * | 2019-04-23 | 2019-08-02 | 中电建水环境治理技术有限公司 | A kind of novel 3D printing is crushed haydite concrete material and its preparation and application |
| WO2020228432A1 (en) * | 2019-05-13 | 2020-11-19 | 中国十七冶集团有限公司 | Waterproof thermal insulation mortar for 3d-printed buildings, preparation method therefor and application thereof |
| CN110105029A (en) * | 2019-05-13 | 2019-08-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of waterproof thermal insulation mortar and its preparation method and application for 3D printing building |
| CN110105029B (en) * | 2019-05-13 | 2020-09-11 | 中国十七冶集团有限公司 | Waterproof thermal insulation mortar for 3D printing building and preparation method and application thereof |
| CN111018448A (en) * | 2019-12-31 | 2020-04-17 | 浙江大学 | Anti-freezing concrete for 3D printing in low-temperature environment and construction method thereof |
| CN111018448B (en) * | 2019-12-31 | 2021-02-19 | 浙江大学 | Anti-freezing concrete for 3D printing in low-temperature environment and construction method thereof |
| CN111635156B (en) * | 2020-06-08 | 2022-06-10 | 上海国惠环保科技集团有限公司 | Preparation method of 3D printing building material aggregate |
| CN111635156A (en) * | 2020-06-08 | 2020-09-08 | 上海国惠环保科技集团有限公司 | Preparation method of 3D printing building material aggregate |
| CN112536884A (en) * | 2020-11-17 | 2021-03-23 | 深圳大学 | Coarse aggregate planting and burying device and 3D printer |
| CN113636811A (en) * | 2021-08-10 | 2021-11-12 | 成都精准混凝土有限公司 | Concrete for 3D printing and preparation method thereof |
| CN115807475A (en) * | 2021-09-14 | 2023-03-17 | 纳米及先进材料研发院有限公司 | Light assembled building structure module |
| CN115710111A (en) * | 2022-12-19 | 2023-02-24 | 科之杰新材料集团有限公司 | Pumpable 3D printing concrete and preparation method thereof |
| CN115947585A (en) * | 2023-02-13 | 2023-04-11 | 南京工业大学 | Copper-nickel slag 3d printing baking-free carbonized ceramsite and preparation method thereof |
| CN115947585B (en) * | 2023-02-13 | 2023-11-21 | 南京工业大学 | Copper-nickel slag 3d printing baking-free carbonized ceramic particle and preparation method thereof |
| CN116217203A (en) * | 2023-03-23 | 2023-06-06 | 东北大学 | Ceramic 3D printing material based on siliceous shale and preparation method thereof |
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