CN106746897A - One kind injection increases material shaping geotechnical model material and preparation method thereof - Google Patents
One kind injection increases material shaping geotechnical model material and preparation method thereof Download PDFInfo
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- CN106746897A CN106746897A CN201611117934.9A CN201611117934A CN106746897A CN 106746897 A CN106746897 A CN 106746897A CN 201611117934 A CN201611117934 A CN 201611117934A CN 106746897 A CN106746897 A CN 106746897A
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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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
- B33Y10/00—Processes of additive manufacturing
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
One kind injection increases material shaping geotechnical model material, is made up of the raw material of following mass parts：60 85 parts of rock-soil material, 15 40 parts of additive, the rock-soil material is micro-nano powder, and the additive can bond rock-soil material, while enabling rock-soil material to flow printing.Increase the preparation method that material is molded geotechnical model material present invention additionally comprises injection.Ground simulation material of the invention meets physical and mechanical properties requirement, fidelity is high, the method of the present invention is by digitizing 3D models, combining powder sprays and slurry injection, realize mixing in real time, the generation reduction degree of the accuracy of simulation, lifting engineering and disaster is improve, generation and engineering protection to hazard prediction play an important role.
Description
Technical field
The present invention relates to 3D printing technique and technology field, and in particular to one kind injection increase material shaping geotechnical model material and
Its preparation method.
Background technology
With the fast development of 3D printing technique in recent years, its technology is used widely, compared to conventional physical model
Simulation, it is that engineering construction and natural calamity simulation reappear and provide controllable quantitative analysis means, this skill that vast scale reduces model
Art can realize the simulation of rock-soil material, efficiently build High Accuracy Parameter model and print, and shorten the modelling duration, lift work
The reliability of journey and disaster analysis, promotes Disaster Study and guard technology progress.
Rock-soil material is the material of main application in geotechnical model material simulation, and its printability has pole in geology field
Good application prospect.At present, phase is typically directly chosen or is chosen in the selection of geotechnical model material from engineering and disaster spot
As material manually matched, but the amount directly chosen from engineering and disaster spot is few, and chooses relatively hazardous and tired
Difficulty, chooses similar material and is manually matched, and the material of selection is usually unable to reach the requirement to physical and mechanical properties, and
And the uncontrollability due to artificial selection for grand microstructure, generally also it is easily caused material property and is unable to reach requirement, and then
Cause artificial model elongated in the material mixture ratio testing time, while simulating effect can not reach height reduction, be unfavorable for engineering
And the reproduction analysis test of disaster.
The content of the invention
The technical problems to be solved by the invention be overcome prior art exist drawbacks described above, there is provided a kind of physics and
Mechanical property is good, and the injection of height reduction increases material shaping geotechnical model material and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is：
One kind injection increases material shaping geotechnical model material, is made up of the raw material of following mass parts：Rock-soil material 60-85 parts,
Additive 15-40 parts, the rock-soil material is micro-nano powder, and the additive can bond rock-soil material, while making ground material
Material can flow printing.
Further, the rock-soil material is made up of the raw material of following mass parts：35-95 parts, kaolin 5-65 parts of huge sum of money stone.
Further, the rock-soil material is made up of the raw material of following mass parts：15-85 parts, river sand 15-85 parts of huge sum of money stone.
Further, the rock-soil material is made up of the raw material of following mass parts：5-65 parts, normal sand 40-85 parts of huge sum of money stone.
Further, the rock-soil material is made up of the raw material of following mass parts：10-60 parts of huge sum of money stone, kaolin 30-70
Part, normal sand 10-40 parts.
Further, the rock-soil material also raw material including following mass parts：Flyash 2-40 parts, dry powder 0-20 parts and
One kind in talcum powder 5-40 parts.
Further, the additive is made up of the raw material of following mass parts：Paraffin 90-100 parts, stearic acid 0-10 parts.
Further, the additive is made up of the raw material of following mass parts：It is paraffin 77-91 parts, palm wax 5-15 parts, stearic
It is sour 4-8 parts.
Further, the additive is made up of the raw material of following mass parts：Liquid wax 38-88 parts, paraffin 6-36 parts, palm wax
4-18 parts, stearic acid 2-8 parts.
Further, the additive is made up of the raw material of following mass parts：Liquid wax 45-95 parts, paraffin 5-45 parts, stearic acid
0-10 parts.
Further, the additive is made up of the raw material of following mass parts：Paraffin 55-95 parts, palm wax 5-45 parts.
Further, the additive is made up of the raw material of following mass parts：Paraffin 45-85 parts, microwax 15-55 parts.
Further, the additive is made up of the raw material of following mass parts：Palm wax 20-60 parts, microwax 40-80 parts.
Further, the additive is made up of the raw material of following mass parts：Palm wax 60-90 parts, vegetable oil 10-30 parts,
Stearic acid 0-10 parts.
Further, the additive is made up of the raw material of following mass parts：Palm wax 52-88 parts, mineral oil 6-24 parts, plant
6-24 parts of thing oil.
A kind of injection increases the preparation method that material is molded geotechnical model material, comprises the following steps：
(1) each raw material of additive is taken according to above-mentioned mass parts, and each raw material is mixed to get required additive slurry；
(2) each raw material and additive slurry of rock-soil material are taken respectively according to above-mentioned mass parts, by each original of rock-soil material
Material and additive slurry are loaded into the feed system of 3D printer, and the feed system includes several injection pipes and a note
Pipeline is penetrated, each raw material of rock-soil material is seated in different injection pipes respectively, additive slurry is seated in injection pipeline
In, additive slurry is in injection pipeline by heating devices heat to 70-90 DEG C；
(3) the geotechnical model material for needing is analyzed, and sets up digitlization 3D models, digitlization 3D models are carried out
Hierarchy slicing, every layer of data of section include each raw material of rock-soil material and the content data of additive, by rock-soil material
The content data of each raw material and additive is separately converted to injection rate and injection rate, and injection rate and injection rate are passed
Reach the feed system of 3D printer；
(4) each raw material of rock-soil material is sprayed into stirring system by the injection rate determined according to step (3) by air pressure simultaneously
System, and additive slurry is clamp-oned by stirring system according to the injection rate for determining simultaneously, the temperature in stirring system is 70-90
DEG C, each raw material and additive slurry of the rock-soil material real-time batch mixing in stirring system, and it is equal in the bottom mixing of stirring system
Even, extrusion obtains injection and increases material shaping geotechnical model material.
Further, in the step (3), by digitlization 3D models with the N number of plane of printing base plate parallel to 3D printer
Cut into slices, digitlization 3D models are divided into N+1 layers of section, every layer of thickness of section is 0.01mm-10mm.
Further, in the step (4), stirring system is helical screw agitator system, and the helical screw agitator system passes through screw rod
Rotation mixing rock-soil material each raw material and additive slurry, the rotating speed of the screw rod is 30-60rpm.
Compared with prior art, the invention has the advantages that：
(1) rock-soil material of the invention is micro-nano powder, uniform mixing, so as to get ground simulation material meet physics
And mechanical property requirements, fidelity is high, and can carry out real-time adjustment, relative to artificial moulding material controllability and uniformity significantly
Enhancing；
(2) present invention makes the mixing caking property that rock-soil material meets ground simulation material require and be beaten in 3D by additive
The flowing printing of India and China is required；
(3) method of the present invention is by digitizing 3D models, it is ensured that microcosmic and macroscopical rank can reach and carry out Geological Model
Being precisely controlled for type, makes up the construction uncontrollability of traditional geotechnical model material, starts with using spray from the controllability of rock-soil material
The control that shaping reaches structure is penetrated, integrated printing is easy to implement；
(4) method of the present invention combines powderject and slurry injection, realizes mixing in real time, compensate for geotechnical model
The unicity that material is built, realizes that macroscopical level is distinguished, and realizes the reduction to Complex Natural Environment；
(5) present invention improves the generation reduction degree of the accuracy of simulation, lifting engineering and disaster, to the hair of hazard prediction
Raw and engineering protection plays an important role.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is implemented below in conjunction with embodiment
Mode is further described.
Embodiment 1
Increase material shaping geotechnical model material The embodiment provides one kind injection, by the raw material group of following mass parts
Into：70 parts of rock-soil material, rock-soil material is made up of the raw material of following mass parts：50 parts of huge sum of money stone, 50 parts of kaolin；
30 parts of additive, additive is made up of the raw material of following mass parts：92 parts of paraffin, 8 parts of stearic acid；
Rock-soil material is micro-nano powder, and additive can bond rock-soil material, while enabling rock-soil material to flow printing.
A kind of injection increases the preparation method that material is molded geotechnical model material, comprises the following steps：
(1) each raw material of additive is taken according to above-mentioned mass parts, and each raw material is mixed to get required additive slurry；
(2) each raw material and additive slurry of rock-soil material are taken respectively according to above-mentioned mass parts, by each original of rock-soil material
Material and additive slurry are loaded into the feed system of 3D printer, and the feed system includes several injection pipes and a note
Pipeline is penetrated, each raw material of rock-soil material is seated in different injection pipes respectively, additive slurry is seated in injection pipeline
In, additive slurry is in injection pipeline by heating devices heat to 70-90 DEG C；
(3) the geotechnical model material for needing is analyzed, and sets up digitlization 3D models, digitlization 3D models are carried out
Hierarchy slicing, digitlization 3D models are cut into slices with the N number of plane of printing base plate parallel to 3D printer, will digitize 3D moulds
Type is divided into N+1 layers of section, and every layer of thickness of section is 0.01mm-10mm, and every layer of data of section include rock-soil material
The content data of each raw material and additive, injection speed is separately converted to by the content data of each raw material of rock-soil material and additive
Rate and injection rate, and injection rate and injection rate are conveyed to the feed system of 3D printer；
(4) each raw material of rock-soil material is sprayed into screw rod and stirred by the injection rate determined according to step (3) by air pressure simultaneously
Mix system, and additive slurry clamp-oned by helical screw agitator system according to the injection rate for determining simultaneously, helical screw agitator system is led to
Each raw material and additive slurry of the rotation mixing rock-soil material of screw rod are crossed, the rotating speed of the screw rod is 45rpm, helical screw agitator system
Temperature in system is 70-90 DEG C, each raw material and additive slurry of the rock-soil material real-time batch mixing in helical screw agitator system, and
The bottom of helical screw agitator system is well mixed, extrusion, that is, obtain injection and increase material shaping geotechnical model material.
Embodiment 2
The present embodiment is differed only in embodiment 1,75 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：30 parts of huge sum of money stone, 70 parts of river sand；25 parts of additive, additive is made up of the raw material of following mass parts：85 parts of paraffin, palm fibre
8 parts of palmitic acid wax, 7 parts of stearic acid；Yu Ze is substantially the same manner as Example 1.
Embodiment 3
The present embodiment is differed only in embodiment 1,65 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：55 parts of huge sum of money stone, 45 parts of normal sand；35 parts of additive, additive is made up of the raw material of following mass parts：40 parts of liquid wax,
30 parts of paraffin, 15 parts of palm wax, 5 parts of stearic acid；Yu Ze is substantially the same manner as Example 1.
Embodiment 4
The present embodiment is differed only in embodiment 1,80 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：50 parts of huge sum of money stone, 40 parts of kaolin, 10 parts of normal sand；20 parts of additive, additive by following mass parts raw material group
Into：70 parts of liquid wax, 28 parts of paraffin, 7 parts of stearic acid；Yu Ze is substantially the same manner as Example 1.
Embodiment 5
The present embodiment is differed only in embodiment 1,82 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：30 parts of huge sum of money stone, 45 parts of kaolin, 20 parts of normal sand, 5 parts of flyash；18 parts of additive, additive is by following mass parts
Raw material composition：80 parts of paraffin, 20 parts of palm wax；Yu Ze is substantially the same manner as Example 1.
Embodiment 6
The present embodiment is differed only in embodiment 1,68 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：20 parts of huge sum of money stone, 65 parts of river sand, 15 parts of dry powder；32 parts of additive, additive is made up of the raw material of following mass parts：
60 parts of paraffin, 40 parts of microwax；Yu Ze is substantially the same manner as Example 1.
Embodiment 7
The present embodiment is differed only in embodiment 1,72 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：60 parts of huge sum of money stone, 20 parts of river sand, 20 parts of talcum powder；28 parts of additive, additive is made up of the raw material of following mass parts：
40 parts of palm wax, 60 parts of microwax；Yu Ze is substantially the same manner as Example 1.
Embodiment 8
The present embodiment is differed only in embodiment 1,83 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：50 parts of huge sum of money stone, 42 parts of river sand, 8 parts of dry powder；17 parts of additive, additive is made up of the raw material of following mass parts：Palm fibre
82 parts of palmitic acid wax, 12 parts of vegetable oil, 6 parts of stearic acid；Yu Ze is substantially the same manner as Example 1.
Embodiment 9
The present embodiment is differed only in embodiment 1,76 parts of rock-soil material, rock-soil material by following mass parts raw material
Composition：50 parts of huge sum of money stone, 35 parts of kaolin, 12 parts of normal sand, 3 parts of dry powder；24 parts of additive, additive is by following mass parts
Raw material composition：77 parts of palm wax, 8 parts of mineral oil, 15 parts of vegetable oil；Yu Ze is substantially the same manner as Example 1.
The performance parameter of the ground simulation material of the present invention of table 1
Rock-soil material of the invention is micro-nano powder, uniform mixing, so as to get ground simulation material meet physics and
Mechanical property requirements, fidelity is high, and can carry out real-time adjustment, is increased greatly relative to artificial moulding material controllability and uniformity
By force, rock behavio(u)r is strong in geotechnical model material, and infiltration coefficient is smaller, and internal friction angle is larger, and soil property is strong, and cohesive strength is larger；
The present invention makes rock-soil material meet the requirement of mixing caking property and the flowing in 3D printing of ground simulation material by additive
Printing is required；The method of the present invention is by digitizing 3D models, it is ensured that microcosmic and macroscopical rank can reach and carry out geological model
Be precisely controlled, make up the construction uncontrollability of traditional geotechnical model material, from the controllability of rock-soil material start with using injection
Shaping reaches the control of structure, is easy to implement integrated printing；The method of the present invention combines powderject and slurry injection, real
Real-time mixing is showed, compensate for the unicity of geotechnical model material construction, realized that macroscopical level is distinguished, realized to complicated nature ring
The reduction in border；The present invention realizes the generation reduction degree of the accuracy of simulation, lifting engineering and disaster, the generation to hazard prediction
Played an important role with engineering protection.
In the case where not conflicting, the feature in embodiment herein-above set forth and embodiment can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of injection increases material shaping geotechnical model material, it is characterised in that be made up of the raw material of following mass parts：Rock-soil material
60-85 parts, additive 15-40 parts, the rock-soil material is micro-nano powder, and the additive can bond rock-soil material, while
Rock-soil material is set to flow printing.
2. it is according to claim 1 injection increase material shaping geotechnical model material, it is characterised in that the rock-soil material by with
The raw material composition of lower mass parts：35-95 parts, kaolin 5-65 parts of huge sum of money stone.
3. it is according to claim 1 injection increase material shaping geotechnical model material, it is characterised in that the rock-soil material by with
The raw material composition of lower mass parts：15-85 parts, river sand 15-85 parts of huge sum of money stone.
4. it is according to claim 1 injection increase material shaping geotechnical model material, it is characterised in that the rock-soil material by with
The raw material composition of lower mass parts：5-65 parts, normal sand 40-85 parts of huge sum of money stone.
5. it is according to claim 1 injection increase material shaping geotechnical model material, it is characterised in that the rock-soil material by with
The raw material composition of lower mass parts：10-60 parts, kaolin 30-70 parts, normal sand 10-40 parts of huge sum of money stone.
6. the injection according to claim any one of 2-5 increases material shaping geotechnical model material, it is characterised in that the ground
The material also raw material including following mass parts：One kind in flyash 2-40 parts, dry powder 0-20 parts and talcum powder 5-40 parts.
7. injection according to claim 1 increases material shaping geotechnical model material, it is characterised in that the additive is by following
A kind of composition in the material combination of mass parts：
Paraffin 90-100 parts, stearic acid 0-10 parts；
Or paraffin 77-91 parts, palm wax 5-15 parts, stearic acid 4-8 parts；
Or liquid wax 38-88 parts, paraffin 6-36 parts, palm wax 4-18 parts, stearic acid 2-8 parts；
Or liquid wax 45-95 parts, paraffin 5-45 parts, stearic acid 0-10 parts；
Or paraffin 55-95 parts, palm wax 5-45 parts；
Or paraffin 45-85 parts, microwax 15-55 parts；
Or palm wax 20-60 parts, microwax 40-80 parts；
Or palm wax 60-90 parts, vegetable oil 10-30 parts, stearic acid 0-10 parts；
Or palm wax 52-88 parts, mineral oil 6-24 parts, vegetable oil 6-24 parts.
8. a kind of injection as described in claim any one of 1-7 increases the preparation method that material is molded geotechnical model material, its feature
It is to comprise the following steps：
（1）Each raw material of additive is taken according to above-mentioned mass parts, and each raw material is mixed to get required additive slurry；
（2）Take each raw material and additive slurry of rock-soil material respectively according to above-mentioned mass parts, by each raw material of rock-soil material and
Additive slurry is loaded into the feed system of 3D printer, and the feed system includes several injection pipes and an injection-tube
Road, each raw material of rock-soil material is seated in different injection pipes respectively, and additive slurry is seated in injection pipeline, is added
Plus agent passes through heating devices heat to 70-90 DEG C in injection pipeline；
（3）Geotechnical model material to needing is analyzed, and sets up digitlization 3D models, and digitlization 3D models are layered
Section, every layer of data of section include each raw material of rock-soil material and the content data of additive, by each original of rock-soil material
The content data of material and additive is separately converted to injection rate and injection rate, and injection rate and injection rate are conveyed to
The feed system of 3D printer；
（4）According to step（3）Each raw material of rock-soil material is sprayed into stirring system by the injection rate of determination by air pressure simultaneously, and
During additive slurry clamp-oned into stirring system simultaneously according to the injection rate for determining, the temperature in stirring system is 70-90 DEG C, rock
Each raw material and additive slurry of soil material real-time batch mixing in stirring system, and be well mixed in the bottom of stirring system, squeeze
Go out, that is, obtain injection and increase material shaping geotechnical model material.
9. injection according to claim 8 increases the preparation method that material is molded geotechnical model material, it is characterised in that the step
Suddenly（3）In, digitlization 3D models are cut into slices with the N number of plane of printing base plate parallel to 3D printer, 3D moulds will be digitized
Type is divided into N+1 layers of section, and every layer of thickness of section is 0.01mm-10mm.
10. injection according to claim 8 increases the preparation method that material is molded geotechnical model material, it is characterised in that described
Step（4）In, stirring system is helical screw agitator system, the rotation mixing rock-soil material that the helical screw agitator system passes through screw rod
Each raw material and additive slurry, the rotating speed of the screw rod is 30-60rpm.
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| CN106746897B (en) | 2019-09-17 |
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