CN103823047B - Self-compacting concrete expansion time automatic testing equipment - Google Patents
Self-compacting concrete expansion time automatic testing equipment Download PDFInfo
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- CN103823047B CN103823047B CN201410103376.5A CN201410103376A CN103823047B CN 103823047 B CN103823047 B CN 103823047B CN 201410103376 A CN201410103376 A CN 201410103376A CN 103823047 B CN103823047 B CN 103823047B
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Abstract
The invention discloses a kind of self-compacting concrete expansion time automatic testing equipment, comprise slump cylinder, slump cylinder comprises circular platform type steel cylinder, circular platform type steel cylinder is placed on the middle part of base plate, the center of base plate is provided with the metal center of circle, base plate is provided with around the round metal heart concentric metal annulus that multi-turn indicates different-diameter, the top of circular platform type steel cylinder is provided with handle, bottom is provided with pedal, pedal is built with limit switch, and limit switch is connected by wire with electronic test equipment respectively with metal ring.Automatically the time that autodensing concrete almixture divergence reaches setting diameter can be tested, easy to use, simple to operate, data are accurately objective.
Description
Technical field
The present invention relates to the proving installation that a kind of autodensing concrete almixture divergence reaches the setting diameter time, particularly relate to a kind of self-compacting concrete expansion time automatic testing equipment.
Background technology
Self-compacting concrete has high fluidity, homogeneity and stability, when building when vibrating without the need to external force, can be full of the concrete of templatespace in Gravitative Loads current downflow.In order to ensure that the self-compacting ability of self-compacting concrete mix meets engineer applied requirement, related specifications has specific requirement to real concrete batching system self-compacting ability index, and wherein self-compacting concrete expansion time is one of important indicator of its self-compacting ability.For the inspection of self-compacting concrete expansion time, be adopt slump cylinder at present, indicating diameter is that the concentrically ringed hard floor of 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900mm and stopwatch carry out experimental test; During test, slump cylinder places base plate center, pours into after autodensing concrete almixture to the upper limb of slump cylinder flushes, with the height of upwards mentioning about 300mm by slump cylinder; Start timing when slump cylinder is mentioned and left base plate, when touching the circumference of diameter 500mm on base plate to the concrete outer rim extended, timing stops, and institute is self-compacting concrete expansion time (T50) the survey time, requires to be accurate to 0.1s.
In prior art, adopt stopwatch, hand-timed test method, there is slump cylinder to mention and be difficult to synchronous problem with the circumference starting timing, the concrete outer rim that extends touches diameter 500mm on base plate with stopping timing, easy generation timing error, is difficult to the accurate, objective of warranty test result.
Summary of the invention
The object of this invention is to provide a kind of detection automatically, testing result accurately objective self-compacting concrete expansion time automatic testing equipment.
The object of the invention is to be achieved through the following technical solutions:
Self-compacting concrete expansion time automatic testing equipment of the present invention, comprise slump cylinder, described slump cylinder comprises circular platform type steel cylinder, described circular platform type steel cylinder is placed on the middle part of base plate, the center of described base plate is provided with the metal center of circle, described base plate is provided with around the described metal center of circle concentric metal annulus that multi-turn indicates different-diameter, described circular platform type steel cylinder top is provided with handle, bottom is provided with pedal, described pedal is built with limit switch, and described limit switch is connected by wire with electronic test equipment respectively with metal ring.
As seen from the above technical solution provided by the invention, the self-compacting concrete expansion time automatic testing equipment that the embodiment of the present invention provides, owing to comprising slump cylinder, base plate, base plate is provided with the concentric metal annulus that multi-turn indicates different-diameter, the top of circular platform type steel cylinder is provided with handle, bottom is provided with pedal, pedal is built with limit switch, limit switch is connected by wire with electronic test equipment respectively with metal ring, automatically the time that autodensing concrete almixture divergence reaches 50cm or other diameter can be tested, automatic detection slump cylinder mentions beginning timing, the concrete outer rim that automatic extension of detecting capability is opened touches circumference base plate setting diameter, and stop timing, test findings shows automatically, print and store, can with computer communication, carry out data transmission and process, this device is easy to use, simple to operate, data are accurately objective.
Accompanying drawing explanation
The structural representation of the self-compacting concrete expansion time automatic testing equipment that Fig. 1 provides for the embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram of base plate in the embodiment of the present invention.
In figure:
1-circular platform type steel cylinder, 2-limit switch, 3-electronic tester, 4-base plate, 5-handle, 6-pedal, the 7-metal center of circle, 8-metal ring.
Embodiment
To be described in further detail the embodiment of the present invention below.
Self-compacting concrete expansion time automatic testing equipment of the present invention, its preferably embodiment be:
Comprise slump cylinder, described slump cylinder comprises circular platform type steel cylinder, described circular platform type steel cylinder is placed on the middle part of base plate, the center of described base plate is provided with the metal center of circle, described base plate is provided with around the described metal center of circle concentric metal annulus that multi-turn indicates different-diameter, described circular platform type steel cylinder top is provided with handle, bottom is provided with pedal, described pedal is built with limit switch, and described limit switch is connected by wire with electronic test equipment respectively with metal ring.
The diameter of described metal ring is 200mm, 300mm, 500mm, 600mm, 700mm, 800mm or 900mm.
Described electronic test equipment comprises electronics analyzer, and described electronic tester is provided with the connection wire socket with described limit switch and metal ring.
Self-compacting concrete expansion time automatic testing equipment of the present invention, automatically the time that autodensing concrete almixture divergence reaches 50cm or other diameter can be tested, automatic detection slump cylinder mentions beginning timing, the concrete outer rim that automatic extension of detecting capability is opened touches circumference base plate setting diameter, and stop timing, test findings shows automatically, print and store, can with computer communication, carry out data transmission and process, this device is easy to use, simple to operate, data are accurately objective.
Specific embodiment:
As shown in Figure 1 and Figure 2, comprise slump cylinder, indicate the hard floor that diameter is 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900mm concentric metal annulus, electronic test equipment.
Slump cylinder comprises circular platform type steel cylinder, and top is provided with handle, bottom is provided with pedal.Pedal is built with limit switch, and this limit switch is connected with electronic test equipment by wire.When slump cylinder is mentioned, limit switch is connected, and electronic test equipment starts timing.
Indicate on hard floor that diameter is 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900mm concentric metal annulus, each concentric metal annulus and the metal center of circle are connected with electronic test equipment respectively by wire.
Electronic test equipment comprises electronics analyzer, is connected the socket of wire with limit switch in the pedal of slump cylinder, is connected the socket of wire with concentric metal annulus hard floor.
The cardinal principle of specific embodiment is:
Described metal ring and the metal center of circle all have wire to draw separately to be connected with electronic tester, when slump cylinder is mentioned, limit switch triggers, electronic tester collection signal also records the start time, along with concrete flowing, conducting will be distinguished in the loop of the metal center of circle and each annulus composition, and electronic tester gathers its Continuity signal, as the end time of each annulus, thus calculate concrete expansion time.
The beneficial effect of the present invention and utility model comprises:
1, adopt electronic test equipment self-clocking, test figure is not affected by human factors, and testing result is accurately objective.
2, easy to use, simple to operate, saving human cost; Traditional test apparatus needs 2 people to operate, and adopts the present invention 1 people to complete test operation.
3, electronic test equipment automatically shows, prints and stores, and can with computer communication.
The test process of specific embodiment is:
During test, slump cylinder is placed on base plate 4 center, and electronic tester 3 is connected with base plate 4 and limit switch 2 respectively.Pour into after autodensing concrete almixture to the upper limb of slump cylinder 1 flushes, upwards mention certain altitude with by slump cylinder.Slump cylinder 1 mention leave base plate 4 time, limit switch 2 triggers, signal is reached electronic tester 3, start timing, electronic tester gathers the time that concrete outer rim first time touches diameter 200mm, 300mm, 500mm, 600mm, 700mm, 800mm and 900mm becket on base plate respectively, and institute is self-compacting concrete expansion time (T20, T30, T50, T60, T70, T80) the survey time.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (1)
1. a self-compacting concrete expansion time automatic testing equipment, it is characterized in that, comprise slump cylinder, described slump cylinder comprises circular platform type steel cylinder, described circular platform type steel cylinder is placed on the middle part of base plate, the center of described base plate is provided with the metal center of circle, described base plate is provided with around the described metal center of circle concentric metal annulus that multi-turn indicates different-diameter, the top of described circular platform type steel cylinder is provided with handle, bottom is provided with pedal, described pedal is built with limit switch, described limit switch is connected by wire with electronic test equipment respectively with metal ring,
The diameter of described metal ring is 200mm, 300mm, 500mm, 600mm, 700mm, 800mm or 900mm;
Described electronic test equipment comprises electronics analyzer, and described electronics analyzer is provided with the connection wire socket with described limit switch and metal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103376.5A CN103823047B (en) | 2014-03-19 | 2014-03-19 | Self-compacting concrete expansion time automatic testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103376.5A CN103823047B (en) | 2014-03-19 | 2014-03-19 | Self-compacting concrete expansion time automatic testing equipment |
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| CN103823047A CN103823047A (en) | 2014-05-28 |
| CN103823047B true CN103823047B (en) | 2015-10-21 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215573B (en) * | 2014-08-21 | 2016-08-17 | 四川鑫统领混凝土有限公司 | A kind of assay method of concrete base building mortar cohesiveness |
| CN104964769A (en) * | 2015-08-04 | 2015-10-07 | 中铁第五勘察设计院集团有限公司 | Concrete side pressure computing method |
| CN106092824B (en) * | 2016-05-31 | 2017-08-04 | 中铁十四局集团第三工程有限公司 | A kind of self-compacting concrete mobility-detected device and detection method |
| CN107727835A (en) * | 2017-10-10 | 2018-02-23 | 中国二十冶集团有限公司 | A kind of slump consistancy test operation panel |
| CN108169464A (en) * | 2017-12-14 | 2018-06-15 | 马鞍山市鑫叶节能科技有限公司 | A kind of self-compacting concrete expansion time automatic testing equipment |
| 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 |
| CN111474330A (en) * | 2020-04-23 | 2020-07-31 | 中铁隧道局集团有限公司 | Performance determination method for high-fluidity concrete in tunnel lining |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3139363B2 (en) * | 1996-02-14 | 2001-02-26 | 株式会社大林組 | Evaluation method of fresh concrete |
| JP3536953B2 (en) * | 1996-03-15 | 2004-06-14 | 株式会社フジタ | Testing method for consistency of high fluidity concrete |
| CN101308075A (en) * | 2008-07-11 | 2008-11-19 | 济南四建（集团）有限责任公司 | High-performance concrete flow down time measurement instrument and determination method |
| CN202938778U (en) * | 2012-09-28 | 2013-05-15 | 葛洲坝集团电力有限责任公司 | Concrete slump degree electronic measuring device |
| CN203759004U (en) * | 2014-03-19 | 2014-08-06 | 中铁第五勘察设计院集团有限公司 | Automatic testing device of expansion time of self-compacting concrete |
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