CN106645661A - Testing device and testing method of building performance of 3D print material of building - Google Patents
Testing device and testing method of building performance of 3D print material of building Download PDFInfo
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- CN106645661A CN106645661A CN201611225563.6A CN201611225563A CN106645661A CN 106645661 A CN106645661 A CN 106645661A CN 201611225563 A CN201611225563 A CN 201611225563A CN 106645661 A CN106645661 A CN 106645661A
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 239000000463 material Substances 0.000 title claims abstract description 56
- 238000005259 measurement Methods 0.000 claims abstract description 80
- 238000010146 3D printing Methods 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 16
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000011158 quantitative evaluation Methods 0.000 abstract 1
- 238000010998 test method Methods 0.000 description 5
- 238000011056 performance test Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- LLQHSBBZNDXTIV-UHFFFAOYSA-N 6-[5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-4,5-dihydro-1,2-oxazol-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC1CC(=NO1)C1=CC2=C(NC(O2)=O)C=C1 LLQHSBBZNDXTIV-UHFFFAOYSA-N 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Classifications
-
- 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
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
The invention provides a testing device and testing method of the building performance of a 3D print material of a building. The testing device comprises a test tube, a stack height measurer and an extended measurement plate, wherein the test tube is suspended through a bracket; the stack height measurer comprises a measurement rod and a measurement needle; the measurement rod is vertically arranged at one side of the test tube; the measurement needle is horizontally arranged and one end of the measurement needle is connected with the measurement rod; and the extended measurement plate is arranged at the lower part of an outlet of the test tube. According to the testing device and the testing method, quantitative evaluation of the building performance of the 3D print material of the building can be achieved, the detection effect is good and the accuracy of the detection result is high.
Description
Technical field
The invention belongs to the technical field of testing concrete performance, more particularly to a kind of building 3D printing material construction performance
Test device and method of testing.
Background technology
3D printing technique is, based on discrete-accumulation principle, to be driven by part three-dimensional data, adopts and gradually adds up from bottom to top
The method of material manufactures the technology of entity component.Have an advantage in that without the need for mould, shorten product development cycle, improve efficiency and drop
Low cost, can print various profile shapes.
Building 3D printing technique, is the expansion of 3D printing technique, even more a kind of innovation of building field.By 3D printing technique
In combination with building trade, cost of labor can be not only saved, be drawn materials nearby, can also reduce logistics cost, immediate objective can beat
The complicated pre-constructed unit of print and batch production house, personalized customization house is also possibly realized from the point of view of long term, it is most important that significantly
Shorten construction-time, this is perfectly in harmony with the theory of building industrialization.
At present 3D printing technique primary base material mostly is macromolecular material (photosensitive resin, decomposable plasticses powder), gold
Category powder, ceramic powders, composite powder etc..And build 3D printing and use cement-based material, due to material uniqueness itself
Rheological property, cause that printing device matching is good, build process imperfection from condensing performance, printing precision shortcoming etc. is asked
Topic, to the development of building 3D printing technique high resistance is brought.
Therefore, the basis for being applied to that the cement-based material for building excellent performance is building 3D printing application is prepared.It is different from
Conventional cement concrete high performance development, build 3D printing material design need to possess low flow regime, high-ductility, condensation can
Qualified mechanical property, endurance quality etc. are required after control, the connecting of good interlayer and hardening.So traditional workability
Energy detection method, the such as slump, divergence, T50Flowing time etc. has not been suitable for the performance table of the material for building 3D technology
Levy, the detection for piling up performance to the material under lamination process and evaluation method are particularly there is no both at home and abroad.
At present, domestic External building 3D printing technique is risen, and still unfounded printed material builds the test of performance
And evaluation method, by greatly application and development of the restriction 3D printing technique in building field.A kind of building proposed by the present invention
3D printing material builds the test device and method of testing of performance and can fill up this technological gap, and overall merit printed material is built
Make performance and and guide its application in building 3D printing technique.
The content of the invention
The technical problem to be solved is for above-mentioned problem, there is provided one kind building 3D printing material
Build performance test device and method of testing, simulant building 3D printing stacking building course in material service behaviour and can
Performance change is piled up, the quantitatively evaluating of the construction performance to building 3D printing material is realized.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：A kind of building 3D printing material builds performance
Test device, it is characterised in that including test barrel, pile up height measuring gauge and extension measurement plate, the test barrel passes through support
Hanging to arrange, including measurement bar and measurement pin, the measurement bar is vertically located at test barrel side, institute to the height measuring gauge of piling up
State measurement pin to be horizontally disposed with, one end is connected with measurement bar, the extension measurement plate is located at test barrel outlet lower section.
By such scheme, the test barrel includes elevating hopper and bottom discharge pipe, and the elevating hopper internal cavities center is provided with
Central partition plate, forms the first hopper and the second hopper, and first, second hopper sets respectively with the junction of the bottom discharge pipe
There are the first sliding panel and the second sliding panel, pulling first, second sliding panel can first, second hopper and bottom discharge pipe insertion
Or block, the outer wall of bottom discharge pipe is provided with vibrator.
By such scheme, the extension measurement plate top surface is provided with horizontal scale line, extends central axis and the institute of measurement plate
State the central axes of test barrel.
By such scheme, the extension measurement plate is that test barrel volume is cut with bottom discharge pipe with the spacing of the bottom discharge pipe
The ratio of area.
By such scheme, the caliber of the bottom discharge pipe is more than or equal to the maximum grain for building 3D printing material slurry aggregate
3 times of footpath.
By such scheme, the measurement bar is provided with vertical scale line, and the measurement pin can be slided up and down along measurement bar.
By such scheme, first sliding panel and the second sliding panel can manually or hydraulic cylinder or pneumatic cylinder or electronic
Machine is pulled.
By such scheme, the extension measurement plate is circular dish structure, and the length of the measurement pin is more than extension measurement plate
Radius.
By such scheme, the measurement of the horizontal scale line and vertical scale line is accurately millimeter.
A kind of building 3D printing material builds the method for testing of performance, it is characterised in that comprise the steps：
S1 prepare before) testing, erecting device, and sealing propertytest is carried out to test barrel, with wet cloth test barrel and expansion are cleaned
Exhibition measurement plate, closes the first sliding panel and the second sliding panel；
S2) start test, building 3D printing material filled in into full elevating hopper, and closely knit, unlatching vibrator is plugged and pounded with iron staff,
The first sliding panel of the first hopper is opened, 3D printing material flow time t is recorded using stopwatch1, in extension measurement plate directly
Read record divergence S1, and traverse measurement pin directly reads record in measurement bar and piles up height H1, open the of the second hopper
Two sliding panels, using stopwatch 3D printing material flow time t is recorded2, record divergence S is directly read in extension measurement plate2,
And traverse measurement pin directly reads record in measurement bar and piles up height H2；
S3) calculate the construction performance of 3D printing material, repeat the above steps for several times, peek time test data it is average
Value, by formula fitting is needed
Calculate construction performance J of the building 3D printing material3D。
The invention has the beneficial effects as follows：Test device and the test side of performance are built there is provided a kind of building 3D printing material
Method, can under laboratory conditions simulate in actual 3D printing stacking building course the service behaviour of construction material and pile up performance
Change, can quantitatively evaluating building 3D printing material build the quality of performance, and Detection results are good, the degree of accuracy of testing result
Height, this test device is simple and reasonable, swift to operate, good reliability, and making operating cost is low, practical.
Description of the drawings
Fig. 1 is the front view of one embodiment of the invention.
Fig. 2 is the top view of one embodiment of the invention.
Wherein：1. elevating hopper, 2. bottom discharge pipe, 3. central partition plate, 4. the first hopper, 5. the second hopper, 6. first slides
Plate, 7. the second sliding panel, 8. vibrator, 9. extends measurement plate, 10. measurement bar, 11. measurement pins, 12. building 3D printing materials.
Specific embodiment
To more fully understand the present invention, with reference to the accompanying drawings and examples the invention will be further described.
As shown in Figure 1 and Figure 2, a kind of building 3D printing material builds the test device of performance, including test barrel, piles up height
Degree measuring appliance and extension measurement plate 9, test barrel is arranged by bracket-suspending, piles up height measuring gauge including measurement bar 10 and measurement
Pin 11, measurement bar is vertically located at test barrel side, and measurement pin is horizontally disposed with, and one end is connected with measurement bar, and extension measurement plate is located at
Test barrel outlet lower section.
Test barrel includes elevating hopper 1 and bottom discharge pipe 2, and elevating hopper internal cavities center is provided with central partition plate 3, forms first
The hopper 5 of hopper 4 and second, first, second hopper is respectively equipped with the first sliding panel 6 and second and slides with the junction of bottom discharge pipe
Plate 7, pull first, second sliding panel can first, second hopper and the insertion of bottom discharge pipe or blocking, the first sliding panel and second slides
Dynamic plate can manually or hydraulic cylinder or pneumatic cylinder or motor are pulled, and the outer wall of bottom discharge pipe is provided with vibrator 8.
Extension measurement plate top surface is provided with horizontal scale line, extends the central axis of measurement plate and the central axis weight of test barrel
Close, extend measurement plate and the ratio that the spacing of bottom discharge pipe is test barrel volume and bottom discharge tube section product, measurement bar is provided with
Vertical scale line, measurement pin can be slided up and down along measurement bar, be easy to read height value, and extension measurement plate is circular dish structure, surveys
More than the radius of extension measurement plate, the measurement of horizontal scale line and vertical scale line is accurately millimeter to the length of metering pin.
The caliber of bottom discharge pipe is more than or equal to 3 times of the maximum particle diameter of the slurry aggregate of building 3D printing material 12.
Carry out building the method for testing that 3D printing material builds performance using the device：
S1 prepare before) testing, erecting device, and sealing propertytest is carried out to test barrel, with wet cloth test barrel and expansion are cleaned
Exhibition measurement plate, closes the first sliding panel and the second sliding panel；
S2) start test, building 3D printing material filled in into full elevating hopper, and closely knit, unlatching vibrator is plugged and pounded with iron staff,
The first sliding panel of the first hopper is opened, 3D printing material flow time t is recorded using stopwatch1, in extension measurement plate directly
Read record divergence S1, and traverse measurement pin directly reads record in measurement bar and piles up height H1, open the of the second hopper
Two sliding panels, using stopwatch 3D printing material flow time t is recorded2, record divergence S is directly read in extension measurement plate2,
And traverse measurement pin directly reads record in measurement bar and piles up height H2；
S3) calculate the construction performance of 3D printing material, repeat the above steps for several times, peek time test data it is average
Value, by formula fitting is needed
Calculate construction performance J of the building 3D printing material3D。
Preparing the test slurry sample of six parts of different operating performances respectively and carrying out 3D printing constructability to test, and sample is each
Proportioning is as shown in table 1.Wherein, embodiment 1-2 is the mortar that river sand is prepared, and embodiment 3-4 is the mortar that Machine-made Sand is prepared, and is implemented
Example 5-6 is the concrete that river sand is prepared, and aggregate size is 5-10mm.The result such as table 2 measured by method of testing of the present invention
It is shown.
Sample match ratio (kg/m in the embodiment 1～6 of table 13)
Sample the performance test results in embodiment 1～6
The preferred embodiments of the present invention are these are only, the present invention is not limited to, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of building 3D printing material builds the test device of performance, it is characterised in that including test barrel, pile up elevation carrection
Device and extension measurement plate, the test barrel is arranged by bracket-suspending, and the height measuring gauge of piling up is including measurement bar and measurement
Pin, the measurement bar is vertically located at test barrel side, and the measurement pin is horizontally disposed with, and one end is connected with measurement bar, the extension
Measurement plate is located at test barrel outlet lower section.
2. a kind of building 3D printing material according to claim 1 builds the test device of performance, it is characterised in that described
Test barrel includes elevating hopper and bottom discharge pipe, and the elevating hopper internal cavities center is provided with central partition plate, formed the first hopper and
Second hopper, first, second hopper is respectively equipped with the first sliding panel and second and slides with the junction of the bottom discharge pipe
Plate, pulling first, second sliding panel can first, second hopper and the insertion of bottom discharge pipe or blocking, the outer wall of bottom discharge pipe
It is provided with vibrator.
3. a kind of building 3D printing material according to claim 2 builds the test device of performance, it is characterised in that described
Extension measurement plate top surface is provided with horizontal scale line, extends the central axis of measurement plate and the central axes of the test barrel.
4. a kind of building 3D printing material according to claim 3 builds the test device of performance, it is characterised in that described
Extension measurement plate and the ratio that the spacing of the bottom discharge pipe is test barrel volume and bottom discharge tube section product.
5. a kind of building 3D printing material according to Claims 2 or 3 builds the test device of performance, it is characterised in that
The caliber of the bottom discharge pipe is more than or equal to 3 times of the maximum particle diameter of building 3D printing material slurry aggregate.
6. a kind of building 3D printing material according to claim 5 builds the test device of performance, it is characterised in that described
Measurement bar is provided with vertical scale line, and the measurement pin can be slided up and down along measurement bar.
7. a kind of building 3D printing material according to claim 2 builds the test device of performance, it is characterised in that described
First sliding panel and the second sliding panel can manually or hydraulic cylinder or pneumatic cylinder or motor are pulled.
8. a kind of building 3D printing material according to claim 1 builds the test device of performance, it is characterised in that described
Extension measurement plate is circular dish structure, and the length of the measurement pin is more than the radius for extending measurement plate.
9. a kind of building 3D printing material according to claim 6 builds the test device of performance, it is characterised in that described
The measurement of horizontal scale line and vertical scale line is accurately millimeter.
10. a kind of building 3D printing material builds the method for testing of performance, it is characterised in that comprise the steps：
S1 prepare before) testing, erecting device, and sealing propertytest is carried out to test barrel, clean test barrel with wet cloth and extension is surveyed
Template, closes the first sliding panel and the second sliding panel；
S2) start test, building 3D printing material is filled in into full elevating hopper, and closely knit, unlatching vibrator is plugged and pounded with iron staff, open
First sliding panel of the first hopper, using stopwatch 3D printing material flow time t is recorded1, directly read in extension measurement plate
Record divergence S1, and traverse measurement pin directly reads record in measurement bar and piles up height H1, open the second cunning of the second hopper
Dynamic plate, using stopwatch 3D printing material flow time t is recorded2, record divergence S is directly read in extension measurement plate2, and move
Dynamic measurement pin directly reads record in measurement bar and piles up height H2；
S3) calculate the construction performance of 3D printing material, repeat the above steps for several times, the mean value of peek time test data,
Fitting is needed by formulaCalculate construction performance J of the building 3D printing material3D。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225563.6A CN106645661B (en) | 2016-12-27 | 2016-12-27 | A kind of building 3D printing material builds the test device and test method of performance |
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|---|---|---|---|
| CN201611225563.6A CN106645661B (en) | 2016-12-27 | 2016-12-27 | A kind of building 3D printing material builds the test device and test method of performance |
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| CN106645661A true CN106645661A (en) | 2017-05-10 |
| CN106645661B CN106645661B (en) | 2019-07-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444867A (en) * | 2018-03-16 | 2018-08-24 | 北京工业大学 | A kind of continuity test method of building 3D printing cement mortar |
| CN108827827A (en) * | 2018-07-31 | 2018-11-16 | 中南大学 | A kind of 3D printing concrete constructions system safety testing device and method |
| CN110243678A (en) * | 2019-05-24 | 2019-09-17 | 同济大学 | A kind of 3D printing building mortar builds device for evaluating performance and method |
| CN111366494A (en) * | 2020-04-01 | 2020-07-03 | 中国建筑第八工程局有限公司 | Rheological property testing method of building 3D printing material |
| CN111413272A (en) * | 2020-04-01 | 2020-07-14 | 中国建筑第八工程局有限公司 | Performance test method of 3D printing material |
| CN113406312A (en) * | 2021-06-04 | 2021-09-17 | 东南大学 | Method for rapidly evaluating printability of slurry in 3D printing of cement-based material and application |
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| CN108444867A (en) * | 2018-03-16 | 2018-08-24 | 北京工业大学 | A kind of continuity test method of building 3D printing cement mortar |
| CN108827827A (en) * | 2018-07-31 | 2018-11-16 | 中南大学 | A kind of 3D printing concrete constructions system safety testing device and method |
| CN108827827B (en) * | 2018-07-31 | 2020-10-30 | 中南大学 | 3D printing concrete constructability testing device and method |
| CN110243678A (en) * | 2019-05-24 | 2019-09-17 | 同济大学 | A kind of 3D printing building mortar builds device for evaluating performance and method |
| CN110243678B (en) * | 2019-05-24 | 2020-06-26 | 同济大学 | 3D printing building mortar construction performance evaluation device and method |
| CN111366494A (en) * | 2020-04-01 | 2020-07-03 | 中国建筑第八工程局有限公司 | Rheological property testing method of building 3D printing material |
| CN111413272A (en) * | 2020-04-01 | 2020-07-14 | 中国建筑第八工程局有限公司 | Performance test method of 3D printing material |
| CN111413272B (en) * | 2020-04-01 | 2023-11-17 | 中国建筑第八工程局有限公司 | Performance test method of 3D printing material |
| CN113406312A (en) * | 2021-06-04 | 2021-09-17 | 东南大学 | Method for rapidly evaluating printability of slurry in 3D printing of cement-based material and application |
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