CN200979545Y - A multifunctional self-compacting concrete workability detector - Google Patents
A multifunctional self-compacting concrete workability detector Download PDFInfo
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- CN200979545Y CN200979545Y CN 200620158417 CN200620158417U CN200979545Y CN 200979545 Y CN200979545 Y CN 200979545Y CN 200620158417 CN200620158417 CN 200620158417 CN 200620158417 U CN200620158417 U CN 200620158417U CN 200979545 Y CN200979545 Y CN 200979545Y
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Abstract
An automatic air-free concrete working property multi-tester relates to concrete working property measurement field. The conventional technique for measuring the various running parameters of fresh concrete requires different measuring devices and methods, and has the shortages of un-constancy and low accuracy. The utility model comprises a discharge opening (5), a vertical cylinder (3), and a rectangular groove connected outside with the discharge opening (5), wherein the rectangular groove is divided into two parts which are connected by the folded connecting pieces (11), the part I of the rectangular groove (15) is connected with the discharge opening (5), the upper part of the vertical cylinder (3) is orderly from down to up provided with a blanking hopper (2) and a tubular with square opening (1). When the part II (10) of the rectangular groove is horizontally placed, the utility model enables to realize the functions of the slump and the L measuring device; when the part II(10) is vertically placed, the utility model enables to realize the function of the U trunk. Therefore, the utility model is capable of simultaneously measuring the accurate viscosity, flow-ability, filling property, and the capability for passing through the steel interstice of the automatic air-free concrete.
Description
Technical field
The utility model relates to a kind of device of measuring the self-compacting concrete serviceability, belongs to workability of concrete energy measurement field.
Background technology
The evaluation of self-compacting concrete serviceability is the basis of such mix Design and construction quality inspection, estimate flowability, the stability of self-compacting concrete for convenience effectively and pass through reinforcing bar gap ability, developed some new test methods, as with fall the slump cone surveys slump, with L type instrument survey flowability and pass through the reinforcing bar gap ability, use U molding box survey fillibility etc.
The structure of L type instrument is as shown in Figure 1: it has a rectangular channel 10, one end of this groove is provided with the upright tube 3 of a vertical rectangle, the bottom that should found tube is provided with a discharge port 5, a plurality of deformed bars 6 are housed in this discharge port 5, there is vertical slideway these discharge port both sides, but the gate of vertical-lifting is housed in it.Self-compacting concrete is poured in the upright tube, opened the sluices then, make mixture in deadweight effect current downflow, mixture enters in the rectangular channel through behind the reinforcing bar.The flowing time of concrete mix by certain distance in the groove and relative flowing velocity have reflected the viscosity of mixture, the discrepancy in elevation of the inside and outside mixture of discharge port has reflected the flow through performance in reinforcing bar gap of mixture, the maximum fluidity distance of fresh concrete in rectangular channel also reflected that viscosity and flowability, the shortcoming of this method are to reflect concrete fillibility and slump.
Though developed so many surveying instruments and method, very inconvenient since the use, and have the problem of continuity of measurement and poor accuracy.As everyone knows, fresh concrete can rapid initial set after mixing and stirring, can not be successively with slump cone, L type instrument, U molding box, the self-compacting concrete serviceability is newly mixed in measurement respectively.Because measure when newly mixing the different serviceability of self-compacting concrete with different instruments and method, certainly exist the time interval of measurement, bigger variation has taken place in the performance of fresh concrete in the interbody spacer at this moment, thereby causes newly mixing the accuracy reduction that the self-compacting concrete serviceability is estimated.Therefore, press for a kind of measurement mechanism, so that measure the various serviceabilitys of newly mixing self-compacting concrete simultaneously exactly.
The utility model content
The purpose of this utility model is: a kind of device of measuring the self-compacting concrete workability is provided, makes the ability etc. that this device can simultaneously be measured viscosity, flowability, the fillibility of self-compacting concrete exactly and pass through the reinforcing bar gap.
The utility model is a kind of self-compacting concrete workability polymeter, comprising: the bottom is provided with the external rectangular channel of the vertically upright tube 3 of discharge port 5 and discharge port 5, it is characterized in that:
Described rectangular channel is divided into 10 two sections of rectangular channel I section 15 and rectangular channel II sections, connects by folding connection piece 11 between two sections, and wherein rectangular channel I section 15 connects discharge ports 5.
Described vertically upright tube 3 tops are provided with opening rectangular cylinder 1 and following funnel 2 from top to bottom successively.
The utility model has the advantages that: when rectangular channel II section 10 horizontal positioned, cooperate the following funnel 2 on vertically upright tube 3 and top thereof and opening rectangular cylinder 1 to use, can realize the function of the method for falling the slump, L type instrument; When rectangular channel II section 10 is vertically placed, cooperate the following funnel 2 on vertically upright tube 3 and top thereof and opening rectangular cylinder 1 to use, can realize the function of U molding box.The utility model can be measured viscosity, flowability, the fillibility of self-compacting concrete and the indexs such as reinforcing bar ability of passing through simultaneously all-sidedly and accurately like this.And the good integrity of the utility model instrument itself, easy to operate practicality.
Description of drawings:
Fig. 1 is a L type instrument structural representation;
Fig. 2 is a structural representation of the present utility model;
Among the figure: 1-opening rectangular cylinder; Funnel under the 2-; The vertically upright tube of 3-; The horizontal gate of 4-; The horizontal gate handle of 41-; The 5-discharge port; The 6-reinforcing bar; The 7-slideway; The vertical gate of 8-; The vertical gate handle of 81-; 10-rectangular channel II section; The 11-folding connection piece; The 12-groove; 13-securing member I; 14-securing member II; 15-rectangular channel I section.
Fig. 3 is the front view (rectangular channel horizontal positioned) of structural representation of the present utility model;
Fig. 4 is the front view (rectangular channel is holded up) of structural representation of the present utility model;
Fig. 5 is the right view (mentioning gate) of structural representation of the present utility model;
Fig. 6 is the partial enlarged drawing of the folding connection piece of rectangular channel.
Embodiment:
The utility model is described in further detail below in conjunction with drawings and Examples, referring to Fig. 2-6.
A kind of high fluidity self-compacting concrete workability polymeter, the top of this measuring instrument is an opening rectangular cylinder 1, connect the following funnel 2 of a type of falling the truncated rectangular pyramids below, connect a vertically upright tube 3 below the funnel, vertically upright tube 3 horizontal section sizes are measure-alike with following funnel 2 end openings, separate with the horizontal gate 4 of a band handle 41 between following funnel 2 and the vertically upright tube 3, vertically upright tube 3 bottoms one side is provided with a discharge port 5, on discharge port 5 tops U type groove 12 is installed, vertical uniform a plurality of reinforcing bars 6 in the discharge port 5, these discharge port both sides are provided with vertical slideway 7 simultaneously, but the gate 8 of vertical-lifting is housed in this slideway 7, discharge port 5 external stiles and bottom surface are provided with the rectangular channel of length scales, this rectangular channel is divided into 10 two sections of rectangular channel I section 15 and rectangular channel II sections, connect by folding connection piece 11 between two sections, and rectangular channel I section 15 connects discharge port 5, the stile of described folding connection piece 11 is the fold-type stile of 45 fan type " deployable---superimposed ", when the folding connection piece 11 that connects two sections rectangular channels launches, rectangular channel II section 10 horizontal positioned, the fan type fold of folding connection piece 11 is opened, form the concrete baffle plate that flows with the stile of rectangular channel and prevent that concrete from flowing out outside the rectangular channel, as shown in Figure 3; When the folding connection piece 11 that connects two sections rectangular channels is closed, rectangular channel II section 10 is vertically placed, fan type fold is superimposed, rectangular channel II section 10 is holded up, the stile of rectangular channel II section 10 just interlock enters in the U type groove 12 that vertically stands on tube 3 side elevations, and rectangular channel II section 10 forms U type work box together with vertical upright 3 like this, as shown in Figure 4, casing firm stable for after guaranteeing to make up can be connected the securing member 13 that stands a top with the securing member 14 of rectangular channel end.
When the utility model uses, concrete mix is contained in the rectangular cylinder 1, draw back down funnel 2 and the vertical horizontal gate 4 that stands between the tube 3 fast by horizontal gate handle 41 then, pick up counting simultaneously, after mixture all flows sky, stop timing, flow the time thereby can obtain concrete.At this moment, for the concrete mix that is contained in the vertically upright tube 3 two kinds of disposal routes are arranged: 1) first kind of disposal route is, the folding connection piece 11 that connects two sections rectangular channels is launched, thereby rectangular channel II section 10 horizontal positioned, mention the vertical gate 8 that can vertically move fast by vertical gate handle 81, concrete mix in the vertically upright tube 3 is flowed out by reinforcing bar 6, analyze the flowing time of concrete mix by whole rectangular channel, corresponding flowing velocity and mobile distance, indexs such as concrete difference in height, the flowability of analysis and judgement self-compacting concrete are opened in the vertically upright tube 3 in vertical gate 8 front and back that can vertically move in measurement, education resistance, gap trafficability characteristic energy and from the levelling ability when flowing through reinforcing bar.2) second kind of disposal route is, folding connection piece 11 closures of two sections rectangular channels will be connected, thereby rectangular channel II section 10 is holded up, with vertically forming the U molding box for upright 3, the securing member I 13 on vertically upright tube 3 tops is connected with the securing member II 14 of rectangular channel end, form stable and firm U molding box, after mentioning the vertical gate 8 that can vertically move by vertical gate handle 81, concrete mix flows to another compartment by the reinforcing bar fence, when concrete stops to flow, measure the concrete height of original-pack concrete compartment, the same concrete height that flows into another compartment of measuring, thereby it is poor to obtain packed height, can investigate the reinforcing bar handling capacity of self-compacting concrete by this test, fillibility, flowability and education resistance etc.
In the present embodiment, unit is millimeter.The length lambda of top rectangular cylinder=400, width ω=200, height η=150, the height of falling the truncated rectangular pyramids η that connects below
1=100, its upper dimension and rectangular cylinder are just the same, and the bottom discharging opening is of a size of length lambda
1=200, width ω
1=100; Vertically upright tube height H=600, length B=200, width Ω=100, rectangular channel I segment length α=100, rectangular channel II segment length β=600, stile height x=100, discharge port height μ=150, the plain bar of Φ 12, clean v=60 at interval.In other embodiment, be not limited to above-mentioned size, can limit mutual restriction proportion relation between a proportional range and the size.That is, the volume of funnel is greater than the volume that founds tube under the top rectangular type groove and the type of falling from power; The ratio of the length of upright tube, width and height is 200: 100: 600; The ratio of the length of rectangular channel, width and height is 700: 200: 100, and rectangular channel forms by two sections, and the two length ratio is 100: 600; Rectangular channel II segment length equates with the height of upright tube; The width of rectangular channel I segment length, upright tube and the height three of stile equate; The ratio of the bottom discharge port height and the width of band reinforcing bar fence is 150: 200.
Claims (2)
1. self-compacting concrete workability polymeter comprises: the bottom is provided with vertically upright tube (3) and the external rectangular channel of discharge port (5) of discharge port (5), it is characterized in that:
Described rectangular channel is divided into (10) two sections of rectangular channel I section (15) and rectangular channel II sections, connects by folding connection piece (11) between two sections, and wherein rectangular channel I section (15) connects discharge port (5).
2. a kind of self-compacting concrete workability polymeter according to claim 1 is characterized in that:
Described vertically upright tube (3) top is provided with opening rectangular cylinder (1) and following funnel (2) from top to bottom successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158417 CN200979545Y (en) | 2006-11-10 | 2006-11-10 | A multifunctional self-compacting concrete workability detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158417 CN200979545Y (en) | 2006-11-10 | 2006-11-10 | A multifunctional self-compacting concrete workability detector |
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| Publication Number | Publication Date |
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| CN200979545Y true CN200979545Y (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620158417 Expired - Fee Related CN200979545Y (en) | 2006-11-10 | 2006-11-10 | A multifunctional self-compacting concrete workability detector |
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| CN (1) | CN200979545Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692083B (en) * | 2009-10-12 | 2013-01-23 | 北京科技大学 | Quick measuring device for concrete slump and usage method |
| CN103926392A (en) * | 2014-04-14 | 2014-07-16 | 浙江建设职业技术学院 | Testing device for working performance of self-compacting concrete |
| CN104360047A (en) * | 2014-11-20 | 2015-02-18 | 中国铁道科学研究院铁道建筑研究所 | Method and device for evaluating dynamic stability of self-compacting concrete of closed die cavity of plate-type ballastless track |
| CN104749349A (en) * | 2015-01-27 | 2015-07-01 | 天津大学 | Novel detachable L-shaped box |
| CN106198940A (en) * | 2016-07-26 | 2016-12-07 | 四川建筑职业技术学院 | A kind of detection adaptive device and method of concrete admixture |
| CN107144496A (en) * | 2017-05-21 | 2017-09-08 | 郑州大学 | Spray castable service behaviour test device and method of testing |
| CN107328691A (en) * | 2017-07-11 | 2017-11-07 | 东南大学 | A kind of detection concrete has good fluidity and the apparatus and method of standing concurrently |
| CN108709978A (en) * | 2018-05-15 | 2018-10-26 | 中建西部建设湖南有限公司 | A kind of self-compacting concrete self-compacting ability comprehensive tester and its test method |
| CN110879190A (en) * | 2019-12-04 | 2020-03-13 | 中国水利水电科学研究院 | Portable working degree tester and testing method for working degree of cemented sand gravel |
| CN107389907B (en) * | 2017-09-04 | 2023-08-04 | 济南大学 | Rotary automatic concrete slump measuring instrument and measuring method thereof |
-
2006
- 2006-11-10 CN CN 200620158417 patent/CN200979545Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692083B (en) * | 2009-10-12 | 2013-01-23 | 北京科技大学 | Quick measuring device for concrete slump and usage method |
| CN103926392A (en) * | 2014-04-14 | 2014-07-16 | 浙江建设职业技术学院 | Testing device for working performance of self-compacting concrete |
| CN104360047A (en) * | 2014-11-20 | 2015-02-18 | 中国铁道科学研究院铁道建筑研究所 | Method and device for evaluating dynamic stability of self-compacting concrete of closed die cavity of plate-type ballastless track |
| CN104360047B (en) * | 2014-11-20 | 2016-06-29 | 中国铁道科学研究院铁道建筑研究所 | A kind of plate-type ballastless track closes die cavity self-compacting concrete dynamic stability evaluation methodology and device |
| CN104749349A (en) * | 2015-01-27 | 2015-07-01 | 天津大学 | Novel detachable L-shaped box |
| CN106198940A (en) * | 2016-07-26 | 2016-12-07 | 四川建筑职业技术学院 | A kind of detection adaptive device and method of concrete admixture |
| CN107144496A (en) * | 2017-05-21 | 2017-09-08 | 郑州大学 | Spray castable service behaviour test device and method of testing |
| CN107144496B (en) * | 2017-05-21 | 2020-07-28 | 郑州大学 | Testing method based on spray castable working performance testing device |
| CN107328691A (en) * | 2017-07-11 | 2017-11-07 | 东南大学 | A kind of detection concrete has good fluidity and the apparatus and method of standing concurrently |
| CN107389907B (en) * | 2017-09-04 | 2023-08-04 | 济南大学 | Rotary automatic concrete slump measuring instrument and measuring method thereof |
| CN108709978A (en) * | 2018-05-15 | 2018-10-26 | 中建西部建设湖南有限公司 | A kind of self-compacting concrete self-compacting ability comprehensive tester and its test method |
| CN108709978B (en) * | 2018-05-15 | 2021-06-18 | 中建西部建设湖南有限公司 | Self-compacting concrete self-compacting performance comprehensive tester and testing method thereof |
| CN110879190A (en) * | 2019-12-04 | 2020-03-13 | 中国水利水电科学研究院 | Portable working degree tester and testing method for working degree of cemented sand gravel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20101110 |