CN202486117U - High-efficiency and simple comparison and detection system for performance index of concrete water reducer - Google Patents
High-efficiency and simple comparison and detection system for performance index of concrete water reducer Download PDFInfo
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- CN202486117U CN202486117U CN2012200098966U CN201220009896U CN202486117U CN 202486117 U CN202486117 U CN 202486117U CN 2012200098966 U CN2012200098966 U CN 2012200098966U CN 201220009896 U CN201220009896 U CN 201220009896U CN 202486117 U CN202486117 U CN 202486117U
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Abstract
The utility model provides a high-efficiency and simple comparison and detection system for performance indexes of concrete water reducers. The high-efficiency and simple comparison and detection system is characterized by comprising the following parts: a stirring device, a fluidity test device and a fluidity maintenance test device. Concrete operation comprises that free fluidity of cement mortar doped with the concrete water reducer and time for maintaining fluidity by the cement mortar in a plastic bag are used for representing performance indexes such as water reducing rate and slump loss resistant property of the concrete water reducer by utilizing a cement mortar mixer. The high-efficiency and simple comparison and detection system disclosed by the utility model is simple and easy to operate, weight of concrete stirred every time is reduced, influence to the environment caused by abandoned experimental concrete is reduced, and labour intensity of an experimenter is reduced. Less complicated equipment is required, and no equipment such as a secondary stirring, flushing and agitating kettle is required. The high-efficiency and simple comparison and detection system disclosed by the utility model is especially applicable to comparison test consideration on performance indexes of multiple or even dozens of water reducers, and working efficiency of the experimenter and research personnel is improved.
Description
Technical field
The utility model relates to cement water reducing agent performance index high-efficient simple comparison and detection system; Relate in particular under equal conditions water-reducing rate, slump retaining, the cement adaptability ability index quality of a plurality of cement water reducing agent samples of contrast test; The water-reducing rate, slump retaining, the cement adaptability ability index that also relate to same sample under different addition contents are good and bad, and the cement adaptability that also relates to different cement under same sample can the index quality.
Background technology
Cement water reducing agent is meant in the concrete the 5th kind of indispensable except that cement, sand, stone, water component, is under the situation that water cement ratio remains unchanged, and can improve workability; Or reach same workability, and the concrete water amount is reduced, improve the additive of concrete strength, thereby reduce concrete cost on the whole.
Cement water reducing agent has experienced with wooden calcium and has been the ordinary water-reducing agent of representative and is the high efficiency water reducing agent of representative with naphthalene system; And the third generation high-performance water reducing agent that has just grown up with the outer representative of polycarboxylate water-reducer; Continuous development along with water reducer; Kind is more and more, and performance is also more and more excellent.The technician researches and develops new kind cement water reducing agent performance and shows that mainly water-reducing rate, slump retaining, cement adapt to three importance performance index, all is in the past the method that adopts among the GB8076 and test these indexs, in order to contrast the water reducer performance; Need the stirring machine of 30 liters or even 60 liters, need 3,4 people could accomplish, the concrete of each stirring reaches 50 kilograms; Test must not all be wanted discarded after accomplishing, and the repeatability of experimental result is also poor, particularly water reducer new product development technician; Sometimes need contrast orthogonal table series nearly during the difference between tens samples, especially difficulty can not do several samples every day; Inefficiency; And because the error of experiment, the sample that may hold has been missed, and makes that the experiment progress is slack-off.
The utility model content
The utility model provides cement water reducing agent performance index high-efficient simple comparison and detection system; Solved the drawback that method of testing is in the past brought; The present invention has utilized the flowability property retention time of the sand-cement slurry of admixture cement water reducing agent, characterizes concrete water-reducing rate, slump retaining, cement adaptability.
The described cement water reducing agent performance index of the utility model high-efficient simple comparison and detection system, its characteristic comprises following three parts: stirring apparatus, fluidity testing device, the mobile proving installation that keeps.
(1) wherein said stirring apparatus is the stirring machine that can cement, sand, water, water reducer be stirred at the appointed time; The preferred planetary glue sand agitator of JC/T681, JC/T 729 cement paste stirring machines, the further preferred planetary glue sand agitator of JC/T681.
(2) wherein said fluidity testing device is glass plate and truncated cone circle mould.
(3) the wherein said mobile proving installation that keeps is the device of the sand-cement slurry that stirs of splendid attire (1), preferred round bottom plastics convenient bag, common plastics convenient bag, thin-walled rubber bag, further preferred round bottom plastics convenient bag.
The concrete operations mode:
(1) take by weighing cement cementitious material 200～600g, sand 500～1400g, water 100～400g, water reducer 1～15g, the method for operating according to the glue sand agitator stirs in stirring machine, and time 90～240s makes it even.
(2) when stirring machine stirs, smear the plate that cleans the windows with wet cloth and be placed on the horizontal table top, smear with wet cloth and be placed on the central authorities of glass plate after wiping the round mould of truncated cone, and the cloth that will wet covers on round mould of taper and glass plate.After treating that stirring machine stir to be accomplished, with mortar pour into truncated cone circle mould to suitable for reading flat till, mention truncated cone circle mould by sand-cement slurry freely trickle motionless till; With the diameter of two mutually perpendicular both directions of ruler measurement, average, then through changing water consumption; Repeat above-mentioned steps, make diameter in 200～280mm scope, between preferred 220～260mm; Further between preferred 230～250mm, confirm amount of water after, change the water reducer kind again; The water-reducing rate that initial mortar fluidity diameter is big is high, and the water-reducing rate that initial mortar fluidity diameter is little is low.
(3) on the glass plate that will be at every turn carries out according to above-mentioned steps and the sand-cement slurry of agitated kettle the inside all transfer in the plastics convenient bag; Again the plastics convenient bag is placed on the ground of level; Plastics convenient bag outer postponed a meeting or conference and outwards moved along with flowing of sand-cement slurry, whenever at a distance from 10～20 minutes with portable plastics convenient bag, put down again; Till the extension of observing the plastics convenient bag does not outwards move with sand-cement slurry; Time till record rises and not flow to sand-cement slurry the self-watering time, long slump retaining of time is good, and short slump retaining of time is bad.
The beneficial effect of the utility model is mainly reflected in:
(1), reduced the weight of each ready-mixed concrete, alleviated and abandoned the influence of back environment, alleviated the physical strength of testing crew simultaneously.
(2), simple and easy to do, need not too many complex apparatus facility, need not secondary stirring, equipment such as flushing agitated kettle etc.
(3), the water reducer that is specially adapted to a plurality of even tens kinds contrast test simultaneously, more can embody the effective advantage of the utility model.
(4), when having avoided contrast test in the past, because the error that the difference of the cement adaptability that exists is constantly brought to experimental result.
Description of drawings
Accompanying drawing 1 is the utility model comparison and detection system stirring apparatus structural representation
Accompanying drawing 2 is the utility model comparison and detection system mobility proving installation structural representation
Accompanying drawing 3 is that the utility model comparison and detection system mobility keeps the proving installation structural representation
Embodiment
Structural representation with reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 are provided is described below the utility model,
Described cement water reducing agent performance index high-efficient simple comparison and detection system, its characteristic comprises following three parts: stirring apparatus, fluidity testing device, the mobile proving installation that keeps.
(1) wherein said stirring apparatus is the stirring machine that can cement, sand, water, water reducer be stirred at the appointed time; The preferred planetary glue sand agitator of JC/T681, JC/T 729 cement paste stirring machines; The further preferred planetary glue sand agitator of JC/T681 is seen accompanying drawing 1.
(2) wherein said fluidity testing device is glass plate 1 and truncated cone circle mould 2, sees accompanying drawing 2.
(3) the wherein said mobile proving installation that keeps is the device of the sand-cement slurry that stirs of splendid attire (1), preferred round bottom plastics convenient bag, and the common plastics convenient bag, the thin-walled rubber bag, further preferred round bottom plastics convenient bag is seen accompanying drawing 3.
Embodiment (one)
1, at first get working-yard cement mixing, sand is through screening out cobble, airing; Mixing takes by weighing 900g, pours in the hourglass of glue sand agitator; Take by weighing polycarboxylate water-reducer 2g, water 190g, cement 450g join in the agitated kettle successively; According to the method for operating of glue sand agitator, start stirring machine, stirred 240 seconds.
2, when stirring machine stirs, smear the plate that cleans the windows with wet cloth and be placed on the horizontal table top, smear with wet cloth and be placed on the central authorities of glass plate after wiping the round mould of truncated cone, and the cloth that will wet covers on round mould of taper and glass plate.After treating that stirring machine stir to be accomplished, with mortar pour into truncated cone circle mould to suitable for reading flat till, mention truncated cone circle mould by sand-cement slurry freely trickle motionless till; With the diameter of two mutually perpendicular both directions of ruler measurement, average, then through changing water consumption; Repeat above-mentioned steps, make diameter in 200～280mm scope, between preferred 220～260mm; Further between preferred 230～250mm, confirm amount of water after, change the water reducer kind again; The water-reducing rate that initial mortar fluidity diameter is big is high, and the water-reducing rate that initial mortar fluidity diameter is little is low.
3, on the glass plate that will be at every turn carries out according to above-mentioned steps and the sand-cement slurry of agitated kettle the inside all transfer in the plastics convenient bag; Again the plastics convenient bag is placed on the ground of level; Plastics convenient bag outer postponed a meeting or conference and outwards moved along with flowing of sand-cement slurry, whenever at a distance from 10 minutes with portable plastics convenient bag, put down again; Till the extension of observing the plastics convenient bag does not outwards move with sand-cement slurry; Time till record rises and not flow to sand-cement slurry the self-watering time, long slump retaining of time is good, and short slump retaining of time is bad.
Embodiment (two)
1, at first get working-yard cement mixing, sand is through screening out cobble, airing, mixing; Take by weighing 900g, pour in the hourglass of glue sand agitator, take by weighing polycarboxylate water-reducer 2g; Water 190g, cement 300g, flyash 150g joins in the agitated kettle successively; According to the method for operating of glue sand agitator, start stirring machine, stirred 240 seconds.
2, when stirring machine stirs, smear the plate that cleans the windows with wet cloth and be placed on the horizontal table top, smear with wet cloth and be placed on the central authorities of glass plate after wiping the round mould of truncated cone, and the cloth that will wet covers on round mould of taper and glass plate.After treating that stirring machine stir to be accomplished, with mortar pour into truncated cone circle mould to suitable for reading flat till, mention truncated cone circle mould by sand-cement slurry freely trickle motionless till; With the diameter of two mutually perpendicular both directions of ruler measurement, average, then through changing water consumption; Repeat above-mentioned steps, make diameter in 200～280mm scope, between preferred 220～260mm; Further between preferred 230～250mm, confirm amount of water after, change the water reducer kind again; The water-reducing rate that initial mortar fluidity diameter is big is high, and the water-reducing rate that initial mortar fluidity diameter is little is low.
3, on the glass plate that will be at every turn carries out according to above-mentioned steps and the sand-cement slurry of agitated kettle the inside all transfer in the plastics convenient bag; Again the plastics convenient bag is placed on the ground of level; Plastics convenient bag outer postponed a meeting or conference and outwards moved along with flowing of sand-cement slurry, whenever at a distance from 10 minutes with portable convenient bag, put down again; Till the extension of observing the plastics convenient bag does not outwards move with sand-cement slurry; Time till record rises and not flow to sand-cement slurry the self-watering time, long slump retaining of time is good, and short slump retaining of time is bad.
Embodiment (three)
1, at first get working-yard cement mixing, sand is through screening out cobble, airing, mixing; Take by weighing 600g, pour in the hourglass of glue sand agitator, take by weighing polycarboxylate water-reducer 3g; Water 190g, cement 300g, flyash 150g joins in the agitated kettle successively; According to the method for operating of glue sand agitator, start stirring machine, stirred 90 seconds.
2, when stirring machine stirs, smear the plate that cleans the windows with wet cloth and be placed on the horizontal table top, smear with wet cloth and be placed on the central authorities of glass plate after wiping the round mould of truncated cone, and the cloth that will wet covers on round mould of taper and glass plate.After treating that stirring machine stir to be accomplished, with mortar pour into truncated cone circle mould to suitable for reading flat till, mention truncated cone circle mould by sand-cement slurry freely trickle motionless till, with the diameter of two mutually perpendicular both directions of ruler measurement; Average, through changing water consumption, repeat above-mentioned steps then, make diameter in 200～280mm scope; Between preferred 220～260mm, further between preferred 230～250mm, confirm amount of water after; Only change cement type, repeat above-mentioned steps, the water-reducing rate that initial mortar fluidity diameter is big is high; Explain that this water reducer adapts to this cement, the water-reducing rate that initial mortar fluidity diameter is little is low, and this cement of this water reducer incompatibility is described.
3, on the glass plate that will be at every turn carries out according to above-mentioned steps and the sand-cement slurry of agitated kettle the inside all transfer in the plastics convenient bag; Again the plastics convenient bag is placed on the ground of level; Plastics convenient bag outer postponed a meeting or conference and outwards moved along with flowing of sand-cement slurry, whenever at a distance from 10 minutes with portable plastics convenient bag, put down again; Till the extension of observing the plastics convenient bag does not outwards move with sand-cement slurry; Time till record rises and not flow to sand-cement slurry the self-watering time, long slump retaining of time is good, and short slump retaining of time is bad.
Embodiment (four)
According to above-mentioned embodiment () (two) (three) step, changing the water reducer kind respectively is the lignosulfonate water reducer, and addition content is 10g, can contrast this series water reducer kind water-reducing rate, slump retaining, cement adaptability.
Embodiment (five)
According to above-mentioned embodiment () (two) (three) step, changing the water reducer kind respectively is naphthalene series high-efficiency water-reducing agent, and addition content is 8g, can contrast this series water reducer kind water-reducing rate, slump retaining, cement adaptability.
Claims (1)
1. the described cement water reducing agent performance index of the utility model high-efficient simple comparison and detection system, its characteristic comprises following three parts: stirring apparatus, the fluidity testing device, the mobile proving installation that keeps,
(1) wherein said stirring apparatus is the stirring machine that can cement, sand, water, water reducer be stirred at the appointed time;
(2) wherein said fluidity testing device is glass plate and truncated cone circle mould;
(3) wherein said mobile maintenance proving installation is a splendid attire
(The device of the sand-cement slurry that 1) stirs.
2. cement water reducing agent performance index high-efficient simple comparison and detection as claimed in claim 1 system, it is characterized in that: said stirring apparatus is any one of JC/T 729 cement paste stirring machines and the planetary glue sand agitator of JC/T681.
3. cement water reducing agent performance index high-efficient simple comparison and detection as claimed in claim 1 system; It is characterized in that: the said mobile proving installation that keeps is the device of the sand-cement slurry that stirs of splendid attire (1), is any one of round bottom plastics convenient bag, common plastics convenient bag, thin-walled rubber bag.
4. cement water reducing agent performance index high-efficient simple comparison and detection as claimed in claim 1 system; It is characterized in that: described truncated cone circle mould is any one of truncated cone circle mould and the truncated cone circle mould in the GB/T8077 Methods for testing uniformity of concrete admixture in the GB/T2419 Test method for fluidity of cement mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200098966U CN202486117U (en) | 2012-01-11 | 2012-01-11 | High-efficiency and simple comparison and detection system for performance index of concrete water reducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200098966U CN202486117U (en) | 2012-01-11 | 2012-01-11 | High-efficiency and simple comparison and detection system for performance index of concrete water reducer |
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| CN202486117U true CN202486117U (en) | 2012-10-10 |
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| CN2012200098966U Expired - Fee Related CN202486117U (en) | 2012-01-11 | 2012-01-11 | High-efficiency and simple comparison and detection system for performance index of concrete water reducer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196797A (en) * | 2013-03-19 | 2013-07-10 | 长沙理工大学 | Intelligent water reducing agent tester |
| CN103604723A (en) * | 2013-11-18 | 2014-02-26 | 湖北工业大学 | Device and method for detecting slow release performance of concrete slump retaining agent |
| CN105223105A (en) * | 2015-11-06 | 2016-01-06 | 湖北工业大学 | A kind of poly carboxylic acid series water reducer stream sensitize detection method |
| CN110567847A (en) * | 2019-10-17 | 2019-12-13 | 贵州石博士科技有限公司 | rapid comparison test method for performance indexes of polycarboxylic acid concrete admixture |
-
2012
- 2012-01-11 CN CN2012200098966U patent/CN202486117U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196797A (en) * | 2013-03-19 | 2013-07-10 | 长沙理工大学 | Intelligent water reducing agent tester |
| CN103604723A (en) * | 2013-11-18 | 2014-02-26 | 湖北工业大学 | Device and method for detecting slow release performance of concrete slump retaining agent |
| CN105223105A (en) * | 2015-11-06 | 2016-01-06 | 湖北工业大学 | A kind of poly carboxylic acid series water reducer stream sensitize detection method |
| CN110567847A (en) * | 2019-10-17 | 2019-12-13 | 贵州石博士科技有限公司 | rapid comparison test method for performance indexes of polycarboxylic acid concrete admixture |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20170111 |