CN107328691A - A kind of detection concrete has good fluidity and the apparatus and method of standing concurrently - Google Patents
A kind of detection concrete has good fluidity and the apparatus and method of standing concurrently Download PDFInfo
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- CN107328691A CN107328691A CN201710560202.5A CN201710560202A CN107328691A CN 107328691 A CN107328691 A CN 107328691A CN 201710560202 A CN201710560202 A CN 201710560202A CN 107328691 A CN107328691 A CN 107328691A
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- concrete
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Good fluidity and the apparatus and method of standing are had concurrently the invention discloses a kind of detection concrete, detection concrete, which has good fluidity and the device of standing concurrently, includes feeding mouth clamping plate, wiping tablet, side clamping plate, intercepter plate and removable baffle plate, the detection means is placed on level ground or desktop during experiment, the concrete for stirring completion is poured into feeding mouth, with good fluidity concrete through flowing into the standing room surrounded by wiping tablet, side clamping plate, intercepter plate and removable baffle plate, while horizontal direction slowly at the uniform velocity drags the device.Compared with prior art, the beneficial effects of the present invention are：It can very easily detect whether concrete possesses good mobility, while the standing of concrete can also be detected intuitively very much.
Description
Technical field
Good fluidity and the apparatus and method of standing are had concurrently the present invention relates to a kind of detection concrete, are mainly used in inspection
Survey the standing performance of good fluidity concrete.
Background technology
With the fast development and the continuous expansion of application of 3D printing technique, wide answer is shown in building field
Use prospect.In the U.S., University of Southern California professor Bi Luoke Huo Shineiweisi in 2012 take the lead in research and utilization concrete for raw material
" printing " is built, and interior wall and exterior wall, the space of door and window, various water power pipes systems is built by successively accumulating, so as to manufacture
Go out building.Recent China building trade also recognizes the importance and its potential broad prospect of application of 3D printing, also begins to
Test and print several small-sized simple buildings.However, it does not require nothing more than the stream having had before printing for 3D printing concrete
Dynamic performance, has " standing " performance, i.e. thixotropy, the microscopic feature of its standing performance is gelling after the completion of most importantly printing
Material mutually overlaps with flocculent structure formed by the progress of heat evolution velocity, by flocculent structure and forms final network structure,
So as to support coarse aggregate, concrete is set to stand up without slump.Require that concrete material has for 3D printing rapid
Processability, concrete material wants energy " standing " at once after printing outflow, it is impossible to is further continued for flowing, i.e., is touched with excellent
Become performance（Higher plastic viscosity, relatively low limiting shearing stress, once the agitation rapid rheology of concrete, once being mixed after outflow
Solidifying soil is quick to stand）, allotment is suitable to can " standing ", and interlayer rapidly after good fluidity and printing before the printing of 3D printing concrete
Bond good and early powerful concrete " ink " material and build most important for 3D printing.If directly passing through 3D printing
Machine allotment will expend substantial amounts of man power and material, and operation is difficult to carry out.In the lab, the mobility-detected of concrete can
Tested by the slump cone of concrete, concrete flowability is understood by testing Control Measures for Concrete Slump height and its divergence
It is excellent, and then determine the formula with good fluidity concrete and be applied in Practical Project.Therefore, in the urgent need to letter
List is feasible and intuitively experimental provision and experimental method go to detect the concrete for having good fluidity and standing concurrently.
The content of the invention
It is real present invention seek to address that how to detect that concrete has good mobility and standing concurrently in laboratory simultaneously
Test that room research 3D printing concrete is provided simultaneously with good mobility and standing provides solution.
To reach above-mentioned purpose, the present invention uses following technical method：
It is a kind of to detect the device that concrete has good fluidity and standing concurrently, including 2 pieces of feeding mouth clamping plates, wiping tablet, 2 pieces of sides
Clamping plate, intercepter plate and removable baffle plate, 2 pieces of side clamping plates be parallel to each other it is edge-on set, feeding mouth clamping plate is vertical with side clamping plate, oblique
It is fixed between 2 pieces of side clamping plates, 2 pieces of feeding mouth clamping plates constitute the V-shape feeding mouth of big opening upward, and the one of deviation side clamping plate
End, the end is set to feeding end, and the other end relative with feeding end is discharge end, and the lower edge close to the feeding mouth clamping plate of feeding end connects
Intercepter plate is connect, wiping tablet is fixed between 2 pieces of side clamping plates in horizontal direction, wiping tablet discharges towards the end of feeding end with close
The movable removable baffle plate of connection, 2 pieces of side clamping plates, wiping tablet, intercepter plates at the lower edge connection of the feeding mouth clamping plate at end, discharge end
The cubical standing room surrounded with removable baffle plate.
The lower edge of intercepter plate is flushed with the lower edge of side clamping plate.
Spacing between the width of the width of feeding mouth clamping plate, the width of wiping tablet and intercepter plate and 2 pieces of side clamping plates is mutually fitted
Match somebody with somebody.
Side is provided with handle to removable baffle plate outwardly.
The size of removable baffle plate is adapted with the sectional dimension of standing room.
Feeding mouth clamping plate, wiping tablet, 2 pieces of side clamping plates, intercepter plate and removable baffle plate are transparent material.Detect coagulation
Soil has the detection method of the device of good fluidity and standing concurrently, stirs good fluidity concrete complete first, and will
Detection concrete has good fluidity concurrently and the device of standing is placed in level ground or horizontal table top, will stir the mixed of completion
Solidifying soil is poured into V-shape feeding mouth, while the experimental provision is slowly dragged in the opposite direction towards concrete stream in the horizontal direction,
After concrete completely disengages from standing room discharging opening, the standing performance of concrete is observed.
Compared with prior art, the beneficial effects of the present invention are：
（1）It can very easily detect whether concrete possesses good mobility, the only concrete with good fluidity
Deadweight could be relied on to flow freely into standing room by V-shape feeding mouth, the concrete of poor fluidity can not then be entered by V-shape
Material mouth.
（2）The standing of concrete can also intuitively be detected very much, detect concrete can by standing room curable type, when
When horizontal direction at the uniform velocity moves the device, curable type concrete slowly departs from the device through standing room outlet, now observes
The deformation of curable type concrete, if there is deformation, or spreads out, then shows that the standing of concrete is poor, if indeformable or deformation is small,
Then show that concrete standing is excellent.
Brief description of the drawings
Fig. 1 has the structural representation of the device of good fluidity and standing concurrently for the detection concrete of the present invention.
Wherein, 1- feeding mouths clamping plate；2- sides clamping plate；3- wiping tablets；4- intercepter plates；5- may move baffle plate.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of detect that concrete has the device of good fluidity and standing concurrently, including 2 pieces of feeding mouth clamping plates 1,
Wiping tablet 3,2 pieces of side clamping plates 2,5,2 pieces of side clamping plates 2 of intercepter plate 4 and removable baffle plate be parallel to each other it is edge-on set, feeding mouth clamping plate
1 is vertical with side clamping plate 2, oblique to be fixed between 2 pieces of side clamping plates 2, and 2 pieces of feeding mouth clamping plates 1 constitute the V-shape of big opening upward and entered
Material mouth, and one end of deviation side clamping plate 2, the end are set to feeding end, and the other end relative with feeding end is discharge end, close to pan feeding
The lower edge connection intercepter plate 4 of the feeding mouth clamping plate 1 at end, wiping tablet 3 is fixed between 2 pieces of side clamping plates 2 in horizontal direction, wiping tablet
3 are connected towards the end of feeding end with the lower edge of the feeding mouth clamping plate 1 close to discharge end, and movable connection is removable at discharge end
The cubical standing room that 5,2 pieces of side clamping plates 2 of baffle plate, wiping tablet 3, intercepter plate 4 and removable baffle plate 5 are surrounded.
The lower edge of intercepter plate 4 is flushed with the lower edge of side clamping plate 2.
Spacing between width, the width of the width of wiping tablet 3 and intercepter plate 4 and the 2 pieces of side clamping plates 2 of feeding mouth clamping plate 1
It is adapted.
Side is provided with handle to removable baffle plate 5 outwardly.
The size of removable baffle plate 5 is adapted with the sectional dimension of standing room.
Feeding mouth clamping plate 1, wiping tablet 3,2 pieces of side clamping plates 2, intercepter plate 4 and removable baffle plate 5 are transparent material.
Detection concrete has the detection method of the device of good fluidity and standing concurrently, first by good fluidity coagulation
Soil stirring is completed, and the device for having detection concrete concurrently good fluidity and standing is placed in level ground or horizontal table top
On, the concrete for stirring completion is poured into V-shape feeding mouth, while delaying in the opposite direction towards concrete stream in the horizontal direction
Slowly the experimental provision is dragged, after concrete completely disengages from standing room discharging opening, the standing performance of concrete is observed.
Concrete must have good mobility, and standing room is flowed into through feeding mouth clamping plate 1 by the gravity of itself；Stand
Vertical space is the space surrounded by wiping tablet 3, side clamping plate 2, intercepter plate 4 and removable baffle plate 5；Side clamping plate 2 ensure that concrete
With certain moulding shape；Wiping tablet 3 ensures to flow into the unlikely deformation that raises up of concrete of standing room so that its upper table
Face keeps smooth；Intercepter plate 4 ensures that the flow direction of concrete is the opposite direction flowing along device drawing direction；It is removable
Baffle plate 5 can perfect sealing concrete standing room outlet, can keep good lubricity with wiping tablet 3 and side clamping plate 2 again, and
Unrestriction one-way flow for stopping concrete.When slowly actuator, the concrete of detectable release unit is
It is no that there is standing.
After moulding concrete completely disengages from detection means through standing room discharging opening, if moderate finite deformation occurs for concrete, very
To spreading out, then illustrate mobility that concrete had and its standing poor performance, if deformation is small or does not deform, illustrate to mix
Mobile performance and standing performance that solidifying soil has been provided simultaneously with.
Embodiment 1：
Using PII52.5 portland cements, river sand, running water, high-efficiency polycarboxylic acid water reducer, thickener rheology agent.Match ratio：Cement
900 g, the g of sand 900, the g of water 315, the g of high-efficiency polycarboxylic acid water reducer 1.98 and the g of thickener rheology agent 5.4.
The experimental provision is placed on level ground or desktop first, concrete is stirred according to above-mentioned match ratio and completed,
After the completion of good fluidity concrete stirring to be possessed, good fluidity concrete is toppled over through feeding mouth clamping plate, while level side
To the device is at the uniform velocity dragged, after curable type concrete departs from the device, observation possesses the standing of good fluidity concrete
Can, observe result：The concrete moment for departing from the device stands into the shape of standing room, can detect that this is matched somebody with somebody using this device
Composition and division in a proportion is good fluidity concrete and standing is excellent.
Embodiment 2
Using PII52.5 portland cements, river sand, running water, high-efficiency polycarboxylic acid water reducer, thickener rheology agent.Match ratio：Cement
900 g, the g of sand 900, the g of water 315, the g of high-efficiency polycarboxylic acid water reducer 2.34 and the g of thickener rheology agent 5.4.
The experimental provision is placed on level ground or desktop first, concrete is stirred according to above-mentioned match ratio and completed,
After the completion of good fluidity concrete stirring to be possessed, good fluidity concrete is toppled over through feeding mouth clamping plate, while level side
To the device is at the uniform velocity dragged, after curable type concrete departs from the device, observation possesses the standing of good fluidity concrete
Can, observe result：The concrete for departing from the device is weak and limp shapeless, and it is good to possess to can detect that the match ratio using this device
Liquid concrete, but standing is poor.
Claims (7)
1. a kind of detect the device that concrete has good fluidity and standing concurrently, it is characterised in that：Including 2 pieces of feeding mouth clamping plates
（1）, wiping tablet（3）, 2 pieces of side clamping plates（2）, intercepter plate（4）With removable baffle plate（5）, 2 pieces of side clamping plates（2）It is parallel to each other edge-on
Set, feeding mouth clamping plate（1）With side clamping plate（2）Vertically, it is oblique to be fixed on 2 pieces of side clamping plates（2）Between, 2 pieces of feeding mouth clamping plates（1）
Constitute the V-shape feeding mouth of big opening upward, and deviation side clamping plate（2）One end, the end is set to feeding end, relative with feeding end
The other end be discharge end, close to feeding end feeding mouth clamping plate（1）Lower edge connection intercepter plate（4）, wiping tablet（3）In level
2 pieces of side clamping plates are fixed in direction（2）Between, wiping tablet（3）Towards the end of feeding end and the feeding mouth clamping plate close to discharge end
（1）Lower edge connection, the movable removable baffle plate of connection at discharge end（5）, 2 pieces of side clamping plates（2）, wiping tablet（3）, intercepter plate
（4）With removable baffle plate（5）The cubical standing room surrounded.
2. detection concrete according to claim 1 has the device of good fluidity and standing concurrently, it is characterised in that：Cut
Flow plate（4）Lower edge and side clamping plate（2）Lower edge flush.
3. detection concrete according to claim 1 has the device of good fluidity and standing concurrently, it is characterised in that：Enter
Material mouth clamping plate（1）Width, wiping tablet（3）Width and intercepter plate（4）Width and 2 pieces of side clamping plates（2）Between spacing phase
Adaptation.
4. detection concrete according to claim 1 has the device of good fluidity and standing concurrently, it is characterised in that：Can
Moving stop（5）Side is provided with handle outwardly.
5. detection concrete according to claim 1 has the device of good fluidity and standing concurrently, it is characterised in that：Can
Moving stop（5）Size be adapted with the sectional dimension of standing room.
6. detection concrete according to claim 1 has the device of good fluidity and standing concurrently, it is characterised in that：Enter
Material mouth clamping plate（1）, wiping tablet（3）, 2 pieces of side clamping plates（2）, intercepter plate（4）With removable baffle plate（5）It is transparent material.
7. detection concrete has the detection method of the device of good fluidity and standing concurrently according to claim 1, it is special
Levy and be：Good fluidity concrete is stirred first and completed, and will detect that concrete has good fluidity and standing concurrently
Device is placed in level ground or horizontal table top, will be stirred the concrete that completes and is poured into V-shape feeding mouth, while along level side
The experimental provision is slowly dragged in the opposite direction to towards concrete stream, after concrete completely disengages from standing room discharging opening,
Observe the standing performance of concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560202.5A CN107328691B (en) | 2017-07-11 | 2017-07-11 | A kind of device and method that detection concrete has both good fluidity and standing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560202.5A CN107328691B (en) | 2017-07-11 | 2017-07-11 | A kind of device and method that detection concrete has both good fluidity and standing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107328691A true CN107328691A (en) | 2017-11-07 |
| CN107328691B CN107328691B (en) | 2019-08-06 |
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ID=60196533
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560202.5A Active CN107328691B (en) | 2017-07-11 | 2017-07-11 | A kind of device and method that detection concrete has both good fluidity and standing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489860A (en) * | 2018-06-14 | 2018-09-04 | 天津大学 | A kind of test equipment for measuring 3D printing concrete mortar material consistency |
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| CN1645096A (en) * | 2005-01-18 | 2005-07-27 | 武汉理工大学 | Tester and testing method for high-sensitivity cement thick liquid flowability |
| CN200979545Y (en) * | 2006-11-10 | 2007-11-21 | 北京工业大学 | A multifunctional self-compacting concrete workability detector |
| CN201016975Y (en) * | 2007-03-16 | 2008-02-06 | 中南大学 | Self-dense concrete mixture stability testing device |
| CN201159736Y (en) * | 2007-12-28 | 2008-12-03 | 河海大学 | Combined appraisement device for service behavior of self-compacting concrete |
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| CN108489860B (en) * | 2018-06-14 | 2024-05-24 | 天津大学 | A test instrument for determining 3D prints concrete slurry material consistence |
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| Publication number | Publication date |
|---|---|
| CN107328691B (en) | 2019-08-06 |
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