CN102607996B - Fresh concrete fluidity, viscosity, and filling property measuring apparatus - Google Patents
Fresh concrete fluidity, viscosity, and filling property measuring apparatus Download PDFInfo
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- CN102607996B CN102607996B CN 201210042379 CN201210042379A CN102607996B CN 102607996 B CN102607996 B CN 102607996B CN 201210042379 CN201210042379 CN 201210042379 CN 201210042379 A CN201210042379 A CN 201210042379A CN 102607996 B CN102607996 B CN 102607996B
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- viscosity
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- steel
- fresh concrete
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- 239000004567 concrete Substances 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims description 30
- 238000007599 discharging Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 239000004359 castor oil Substances 0.000 description 3
- 235000019438 castor oil Nutrition 0.000 description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a fresh concrete fluidity, viscosity, and filling property measuring apparatus. The invention relates to a fluidity, viscosity, and filling property measuring apparatus. The invention aims at solving a problem of a vacancy of an apparatus for simultaneously measuring concrete fluidity, viscosity, and filling property. According to the invention, 4 round through holes are provided on the bottom end face of a material storage tank. One column penetrates and is arranged in each round through hole. The lower ends of the columns are positioned on an upper end face of an electronic platform scale. A material storage box is positioned right above the material storage tank through the supporting of the 4 columns. A network grating is arranged in the material storage box. A hopper is fixedly arranged right above the material box through supports. An inserting board is provided at a material outlet of the hopper. An upper end of a steel pipe is fixedly arranged on the middle of a crossbeam. An upper end of a suspended electric scale is arranged on a gantry through a connection rod. One end of a steel wire is connected with the lower end of the suspended electric scale, and the other end of the steel sire penetrates the steel pipe and is connected with an upper end of a steel column. The measuring apparatus provided by the invention is used for measuring the fluidity, viscosity, and filling property of fresh concrete.
Description
Technical field
The present invention relates to a kind of concrete flowability, viscosity, fillibility measurement mechanism.
Background technology
The flowability of fresh concrete, viscosity, fillibility are three important indicators that characterize fresh concrete, are very important to concrete works design and construction.But there is not at present to measure simultaneously the measurement mechanism of concrete flowability, viscosity, fillibility.
Summary of the invention
The present invention does not have to measure simultaneously the problem of the measurement mechanism of concrete flowability, viscosity, fillibility at present for solving, and then a kind of fresh concrete flowability, viscosity, fillibility measurement mechanism are provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
Fresh concrete of the present invention is mobile, viscosity, the fillibility measurement mechanism comprises support, hopper, crossbeam, portal frame, suspending electronic balance, plate, steel pipe, steel column, steel wire, fair water fin, material storing box, feed pipe, stock chest, connecting rod, desk-top electronic scales, two supporting steel plates and four columns, described measurement mechanism also comprises two cross bars, described desk-top electronic scales is positioned on the bottom face of support, the bottom of support is fixed with two supporting steel plates, two supporting steel plate levels and be symmetricly set on the both sides of support, be provided with a cross bar on the every supporting steel plate, described stock chest is arranged on the upper surface of two cross bars, have four manholes on the bottom face of described stock chest, be coated with a column in each manhole, the lower end of each column is positioned on the upper surface of desk-top electronic scales, described material storing box by four upright supports be positioned at stock chest directly over, the lower end of described feed pipe is communicated with material storing box, described fair water fin is inclined on the upper surface of material storing box, described hopper by support be packed in material storing box directly over, the discharging opening place of hopper is provided with plate, discharging opening and the feed pipe of hopper are oppositely arranged up and down, the upper end of described steel pipe is packed in the middle part of crossbeam, the lower end of described portal frame is packed on the upper surface of crossbeam, the upper end of described suspending electronic balance is installed on the portal frame by connecting rod, one end of steel wire is connected with the lower end of suspending electronic balance, and the other end of steel wire passes steel pipe and is connected with the upper end of steel column.
The invention has the beneficial effects as follows:
Fresh concrete flowability of the present invention, viscosity, fillibility measurement mechanism can be measured fresh concrete flowability, viscosity, three parameters of fillibility simultaneously, have realized than the performance of more comprehensively estimating fresh concrete; Measurement mechanism of the present invention has higher precision, and weight and force measurement error can reach ± 1g, and timing error can reach ± and 0.1 second; Measurement mechanism of the present invention also has advantages of compact conformation, be easy to processing and manufacturing and cost is low.
Description of drawings
Fig. 1 is that the master of fresh concrete flowability of the present invention, viscosity, fillibility measurement mechanism looks cut-open view.
Embodiment
Embodiment one: as shown in Figure 1, the fresh concrete of present embodiment is mobile, viscosity, the fillibility measurement mechanism comprises support 1, hopper 2, crossbeam 3, portal frame 4, suspending electronic balance 5, plate 7, steel pipe 8, steel column 9, steel wire 10, fair water fin 11, material storing box 14, feed pipe 15, stock chest 17, connecting rod 19, desk-top electronic scales 23, two supporting steel plates 21 and four columns 12, described measurement mechanism also comprises two cross bars 22, described desk-top electronic scales 23 is positioned on the bottom face of support 1, the bottom of support 1 is fixed with two supporting steel plates 21, two supporting steel plate 21 levels and be symmetricly set on the both sides of support 1, be provided with a cross bar 22 on the every supporting steel plate 21, described stock chest 17 is arranged on the upper surface of two cross bars 22, have four manholes 18 on the bottom face of described stock chest 17, be coated with a column 12 in each manhole 18, the lower end of each column 12 is positioned on the upper surface of desk-top electronic scales 23, described material storing box 14 by four columns 12 support be positioned at stock chest 17 directly over, the lower end of described feed pipe 15 is communicated with material storing box 14, described fair water fin 11 is inclined on the upper surface of material storing box 14, described hopper 2 by support be packed in material storing box 14 directly over, the discharging opening place of hopper 2 is provided with plate 7, the discharging opening of hopper 2 and feed pipe 15 are oppositely arranged up and down, the upper end of described steel pipe 8 is packed in the middle part of crossbeam 3, the lower end of described portal frame 4 is packed on the upper surface of crossbeam 3, the upper end of described suspending electronic balance 5 is installed on the portal frame 4 by connecting rod 19, one end of steel wire 10 is connected with the lower end of suspending electronic balance 5, and the other end of steel wire 10 passes steel pipe 8 and is connected with the upper end of steel column 9.
Embodiment two: as shown in Figure 1, the described hopper 2 of present embodiment is infundibulate.Other compositions and annexation are identical with embodiment one.
Embodiment three: the described hopper 2 of present embodiment, crossbeam 3, material storing box 14, stock chest 17 are made by steel plate.Corrosion-resistant, long service life.Other compositions and annexation are identical with embodiment one or two.
Embodiment four: the described portal frame 4 of present embodiment and support 1 are made by steel pipe.Corrosion-resistant, long service life.Other compositions and annexation are identical with embodiment three.
Embodiment five: the bottom of the described hopper 2 of present embodiment is pipe 2-1, and the lower end of described steel pipe 8 is positioned at the center of pipe 2-1.So design, concrete flows out without the dead angle, and steel column 9 outside surfaces are stressed evenly.Other compositions and annexation and embodiment one, two or four identical.
Embodiment six: the outside surface of the described steel column 9 of present embodiment is processed with screw thread.So design increases surperficial roughness.Other compositions and annexation are identical with embodiment five.
Embodiment seven: the described measurement mechanism of present embodiment also comprises four stiffening plates 20, described four stiffening plates, 20 uniform being packed on hopper 2 and the support 1.So design, playing increases stable effect.Other compositions and annexation and embodiment one, two, four or six identical.
Embodiment eight: the described measurement mechanism of present embodiment also comprises grid fence 16, and described grid fence 16 is arranged in the material storing box 14.So design, the truth of casting concrete detects the ability that concrete passes through reinforcing bar in the simulation Practical Project.Other compositions and annexation are identical with embodiment seven.
Embodiment:
The first half of described hopper 2 is drums, and diameter is 500mm, and height is 300mm; The internal diameter of pipe 2-1 is 150mm, and long is 150mm; Described plate 7 is two overlapping plates, and one of them plate has through hole, and the aperture that changes through hole can change flow velocity; Crossbeam 3 length are 500mm, and wide is 40mm, thickness 15mm, the two ends of crossbeam 3 and hopper 2 welding; The diameter of steel tube of portal frame 4 is 16mm, and portal frame 4 height are 300mm, and wide is 500mm; The external diameter of steel pipe 8 is 20mm, and internal diameter is 15mm, and long is 510mm; The diameter of steel column 9 is 20mm, and long is 90mm; Stock chest 17 length are 550mm, and wide is 400mm, and height is 200mm, and steel plate thickness is 5mm, is welded with four sleeve pipes on the bottom face of stock chest 17, and each sleeve pipe is communicated with a manhole 18, sleeve pipe external diameter 25mm, and internal diameter 15mm, long is 90mm; Cross bar 22 long 550mm, diameter is 20mm; When stock chest 17 was placed on the cross bar 22, stock chest 17 did not contact with the upper surface of desk-top electronic scales 23, and when taking off cross bar 22, stock chest 17 contacts with the upper surface of desk-top electronic scales 23 and weighs; Material storing box 14 long 450mm, wide is 300mm, height is 200mm.
Principle of work:
As shown in Figure 1, in hopper 2, pack into the fresh concrete of certain volume (its weight can by the follow-up test of this device acquisition), extract plate 7 out, start Chronograph this moment, measure hopper 2 inner concretes and flow out the required time t of hopper 2, concrete flowability is relevant with the concrete delivery time, and concrete flowability is larger, and the delivery time is shorter;
The weight added value that the electronic scales of simultaneously record suspension shows (initial value that electronic scales shows is the weight of steel column 9), be that concrete flows in the process to the friction force f of steel column 9, the size that is subject to friction force f on the steel column 9 is relevant with concrete viscosity, and concrete viscosity is larger, and f is just larger;
The concrete of known certain volume or weight and concrete flow out time t, can Flow cross the concrete mean flow rate of pipe 2-1, change the size that the plate 7 with different pore size namely can change concrete flow velocity and act on the friction force f of steel column 9; Set up the relation curve of f and concrete mean flow rate, this curve of match is a linear equation, and the slope of this equation can characterize concrete viscosity;
The concrete that flows out pipe 2-1 flows into material storing box 14, and desk-top electronic scales 23 shows the concrete weight that flows in the material storing box 14; The concrete that is overflowed by material storing box 14 charging apertures flows into stock chest 17; Take off the cross bar 22 below the stock chest 17, stock chest 17 drops on the upper surface of desk-top electronic scales 23, and desk-top electronic scales 23 demonstrates concrete general assembly (TW).Flow into the concrete weight of material storing box 14 and the ratio of concrete general assembly (TW) and can represent concrete fillibility.
The scaling method of instrument:
Select a known-viscosity coefficient η
0Standard flow such as castor oil, utilize measurement mechanism of the present invention, according to the aforesaid operations process, set up the friction force f of steel column 9 and the relation curve between the castor oil discharge rate, take the castor oil discharge rate as horizontal ordinate, friction force f is the ordinate mapping, and the scale-up factor of the slope of gained a linear equation and standard flow viscosity number is meter constant κ behind the linear fit.Divided by meter constant κ, can draw the plastic viscosity of fresh concrete with the slope in the linear relationship curve of friction force f in the fresh concrete and concrete mean flow rate.
Claims (8)
1. fresh concrete flowability, viscosity, the fillibility measurement mechanism, described measurement mechanism comprises support (1), hopper (2), crossbeam (3), plate (7) and material storing box (14), described hopper (2) by support be fixed on material storing box (14) directly over, the discharging opening place of hopper 2 is provided with plate 7, it is characterized in that: described measurement mechanism also comprises portal frame (4), suspending electronic balance (5), steel pipe (8), steel column (9), steel wire (10), fair water fin (11), feed pipe (15), stock chest (17), connecting rod (19), desk-top electronic scales (23), two supporting steel plates (21) and four columns (12), described measurement mechanism also comprises two cross bars (22), described desk-top electronic scales (23) is positioned on the bottom face of support (1), the bottom of support (1) is fixed with two supporting steel plates (21), two supporting steel plate (21) levels and be symmetricly set on the both sides of support (1), be provided with a cross bar (22) on the every supporting steel plate (21), described stock chest (17) is arranged on the upper surface of two cross bars (22), have four manholes (18) on the bottom face of described stock chest (17), be coated with a column (12) in each manhole (18), the lower end of each column (12) is positioned on the upper surface of desk-top electronic scales (23), described material storing box (14) by four columns (12) support be positioned at stock chest (17) directly over, the lower end of described feed pipe (15) is communicated with material storing box (14), described fair water fin (11) is inclined on the upper surface of material storing box (14), described hopper (2) by support be packed in material storing box (14) directly over, the discharging opening place of hopper (2) is provided with plate (7), the discharging opening of hopper (2) and feed pipe (15) are oppositely arranged up and down, the upper end of described steel pipe (8) is packed in the middle part of crossbeam (3), the lower end of described portal frame (4) is packed on the upper surface of crossbeam (3), the upper end of described suspending electronic balance (5) is installed on the portal frame (4) by connecting rod (19), one end of steel wire (10) is connected with the lower end of suspending electronic balance (5), and the other end of steel wire (10) passes steel pipe (8) and is connected with the upper end of steel column (9).
2. fresh concrete flowability according to claim 1, viscosity, fillibility measurement mechanism, it is characterized in that: described hopper (2) is infundibulate.
3. fresh concrete flowability according to claim 1 and 2, viscosity, fillibility measurement mechanism, it is characterized in that: described hopper (2), crossbeam (3), material storing box (14), stock chest (17) are made by steel plate.
4. fresh concrete flowability according to claim 3, viscosity, fillibility measurement mechanism, it is characterized in that: described portal frame (4) and support (1) are made by steel pipe.
5. according to claim 1,2 or 4 described fresh concrete flowabilities, viscosity, fillibility measurement mechanism, it is characterized in that: the bottom of described hopper (2) is pipe (2-1), the lower end of described steel pipe (8) is positioned at the center of pipe (2-1).
6. fresh concrete flowability according to claim 5, viscosity, fillibility measurement mechanism, it is characterized in that: the outside surface of described steel column (9) is processed with screw thread.
7. according to claim 1,2,4,6 described fresh concrete flowabilities, viscosity, fillibility measurement mechanism, it is characterized in that: described measurement mechanism also comprises four stiffening plates (20), and described four stiffening plates (20) are uniform to be packed on hopper (2) and the support (1).
8. fresh concrete flowability according to claim 7, viscosity, fillibility measurement mechanism, it is characterized in that: described measurement mechanism also comprises grid fence (16), described grid fence (16) is arranged in the material storing box (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210042379 CN102607996B (en) | 2012-02-23 | 2012-02-23 | Fresh concrete fluidity, viscosity, and filling property measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210042379 CN102607996B (en) | 2012-02-23 | 2012-02-23 | Fresh concrete fluidity, viscosity, and filling property measuring apparatus |
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| Publication Number | Publication Date |
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| CN102607996A CN102607996A (en) | 2012-07-25 |
| CN102607996B true CN102607996B (en) | 2013-10-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103105346B (en) * | 2013-01-16 | 2015-04-15 | 浙江大学 | Method for testing workability rheological parameter range of concrete |
| CN103698250B (en) * | 2013-12-17 | 2016-01-13 | 长安大学 | Asphalt cold repairing low temperature flowability proving installation and method of testing thereof |
| CN107036935A (en) * | 2016-12-13 | 2017-08-11 | 鹤山市知墨印刷粘合材料有限公司 | A kind of fluidity testing instrument |
| CN106840963A (en) * | 2017-01-23 | 2017-06-13 | 中国地质大学（武汉） | The instrument of falling the slump and its application method of a kind of accurate measurement concrete flowability |
| CN107703284A (en) * | 2017-08-09 | 2018-02-16 | 陕西省兴平市西北工程机械制造有限公司 | A kind of affined concrete collapses the measurement apparatus and method of stream parameter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2745479B2 (en) * | 1990-12-20 | 1998-04-28 | 株式会社竹中工務店 | Quality test equipment for high fluidity concrete |
| US6484565B2 (en) * | 1999-11-12 | 2002-11-26 | Drexel University | Single riser/single capillary viscometer using mass detection or column height detection |
| CN1877291B (en) * | 2006-07-10 | 2010-08-25 | 哈尔滨工业大学 | Apparatus for detecting filling performance of newly-mixed concrete |
| CN201218794Y (en) * | 2008-07-11 | 2009-04-08 | 济南四建（集团）有限责任公司 | Measuring instrument for flow-down time of high-performance concrete |
| CN101403675B (en) * | 2008-11-14 | 2011-06-01 | 哈尔滨工业大学 | Novel mixed concrete viscosity measuring instrument |
| CN201780248U (en) * | 2010-07-21 | 2011-03-30 | 山东陆海钻采科技有限公司 | Viscosity and density intelligent comprehensive test instrument |
| TWI447375B (en) * | 2010-07-26 | 2014-08-01 | 私立中原大學 | Apparatus for measuring fluid viscosity and method thereof |
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Owner name: JIANGSU JINLING CONSTRUCTION ENGINEERING GROUP CO. Effective date: 20121105 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
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Inventor after: Yang Yingzi Inventor after: Fan Guangfeng Inventor after: Bo Guangsheng Inventor after: Ding Guangming Inventor before: Yang Yingzi |
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Free format text: CORRECT: INVENTOR; FROM: YANG YINGZI TO: YANG YINGZI FAN GUANGFENG BU GUANGSHENG DING GUANGMING |
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Effective date of registration: 20121105 Address after: 150001 Harbin, Nangang, West District, large straight street, No. 92 Applicant after: Harbin Institute of Technology Applicant after: Jiangsu Jinling Construction Engineering Group Co., Ltd. Address before: 150001 Harbin, Nangang, West District, large straight street, No. 92 Applicant before: Harbin Institute of Technology |
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