CN202433369U - Testing device used for detecting slump and expansion degree of concrete - Google Patents
Testing device used for detecting slump and expansion degree of concrete Download PDFInfo
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- CN202433369U CN202433369U CN 201120573666 CN201120573666U CN202433369U CN 202433369 U CN202433369 U CN 202433369U CN 201120573666 CN201120573666 CN 201120573666 CN 201120573666 U CN201120573666 U CN 201120573666U CN 202433369 U CN202433369 U CN 202433369U
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Abstract
The utility model discloses a testing device used for detecting slump and expansion degree of concrete; the testing device comprises a base, a vertical surveying rod and a horizontal surveying rod; the vertical surveying rod is arranged on the base; both ends of the horizontal surveying rod are provided with a trepanning, respectively; the vertical surveying rod is inserted on the horizontal surveying rod through the trepanning; a regulator used for fixing is arranged on the trepanning; the zero graduation line of the horizontal surveying rod is tangent to the edge of the base. In comparison with the prior art, the testing device used for detecting slump and expansion degree of concrete, provided by the utility model, has the advantages that the operation is convenient, the slump and the expansion degree are detected synchronously, the measurement is exact, the detecting requirements of slump and expansion degree of large-flow-state concrete are met, and the concrete fluidity can be detected more conveniently and more exactly.
Description
Technical field
The utility model relates to building field, exactly is meant a kind of test unit that is used to measure concrete slump and divergence.
Background technology
Concrete workability is meant that concrete mix can keep its constituent even, and phenomenons such as laminated segregation, bleeding do not take place, and is suitable for transporting, builds, construction operation such as tamping moulding, and can obtain even, the closely knit concrete performance of quality.Workability is a comprehensive technical performance, comprises flowability, cohesiveness and three aspects of water-retaining property.The workability intension more complicated of concrete mix is difficult to express rightly with a kind of simple assay method and index comprehensively.Stipulate according to China act.std GB/T 50080-2002 " Standard for test methods of properties of ordinary concrete mixture "; Measure the flowability of concrete mix with the slump and Wei Bo denseness, and be aided with cohesiveness and water-retaining property that experience directly perceived is evaluated concrete mix.
Usually adopt V-B consistometer to measure it for the slump of dry concrete mixture (slump is less than 10mm) and tie up vigorous denseness; For mobile concrete mix (slump is greater than 10mm); Aggregate size is not more than 40mm, adopts the slump and slump divergence method.It is the concrete slump appearance that concrete slump is measured instrument commonly used; Form by slump cone, funnel, tamper, surveyors' staff, leveling ruler and base plate etc.; Its slump measurement range is 0-25cm; Minimum division value is 1cm, can not carry out the mensuration (needing to adopt steel ruler to cooperate the mensuration of divergence) of divergence.To be that tube is high try the difference in height between the body peak with the back concrete that collapses to concrete slump, and divergence is to differ less than the maximum gauge of 50mm and the arithmetic mean of minimum diameter.Tradition slump appearance adopts surveyors' staff and leveling ruler to carry out the mensuration of the slump; The length of leveling ruler is 30cm; When carrying out the big chutable concrete slump and divergence when measuring, leveling ruler too short contact can not carry out the mensuration of the slump less than the peak of concrete examination body.When the slump during greater than 220mm; The slump can not accurately reflect concrete flowability; With divergence as the liquidity scale; Slump cone at present commonly used, tamper, steel ruler three cooperate the slump and the divergence of measuring big chutable concrete, and operation factors artificial in the measuring process can produce bigger error.
Development along with building industry; As using the most extensively concrete of building materials; Tended to big fluidization development; Its workability (workability) is required increasingly high, adopt traditional slump appearance can't entirely accurate, carry out the mensuration of the concrete mix slump and divergence easily, therefore need a kind of test unit more convenient, that be used to measure concrete slump and divergence more accurately to estimate concrete workability.
The utility model content
To above-mentioned defective, the technical matters that the utility model solves is to provide a kind of test unit that is used to measure concrete slump and divergence, can carry out the mensuration of concrete flowability more convenient, exactly.
In order to solve above technical matters; The test unit that is used to measure concrete slump and divergence that the utility model provides; Comprise base, vertical survey scale and horizontal survey scale; Said vertical survey scale is installed on the base, and the two ends of said horizontal survey scale are provided with trepanning, and said vertical survey scale is inserted on said horizontal survey scale through said trepanning.
Preferably, said base is a cylindrical base, comprises cylinder and following cylinder, and the said cylinder of going up is the integral cast moulding with following cylinder.
Preferably, said base overall height is 40mm, and said upward body diameter is 35-45mm, highly is 15-20mm, and said body diameter down is 80-90mm, highly is 20-25mm.
Preferably, said vertical survey scale is a cylindrical shape, and height is greater than 33cm, and diameter is 15-20mm, and meter full scale is 0-26cm, and minimum division value is 1mm, reference mark from top to bottom, and the vertical range of zero graduation line and base end face is 300mm, tolerance is 1mm.
Preferably, said horizontal survey scale label scope is 0-70cm, and the edge of zero graduation line and said base is tangent, and minimum division value is 1mm, and wide is 20-25mm, and thickness is greater than 2mm.
Preferably, the internal diameter of said trepanning is 15-20mm, and external diameter is 25-30mm, highly is 20-30mm.
Preferably, said trepanning is provided with the regulating part that is used for fixing.
Preferably, said regulating part is a setting nut, and the set inside of said trepanning side has threaded hole, and said setting nut and said threaded hole are complementary.
Compared with prior art, the beneficial effect obtained of the utility model is:
1, simple in structure, easy to operate, it is big to measure range, measures accurately;
2, can carry out the mensuration of the slump and divergence simultaneously, and can satisfy the big chutable concrete slump and the requirement of divergence mensuration, can carry out the mensuration of concrete flowability easily and accurately.
Description of drawings
Fig. 1 is the structural representation of the test unit that is used to measure concrete slump and divergence in the utility model;
The side view of Fig. 2 when being used to measure the test unit use of concrete slump and divergence in the utility model;
The vertical view of Fig. 3 when being used to measure the test unit use of concrete slump and divergence in the utility model.
Embodiment
The technical scheme that is provided in order to enable those skilled in the art to understand the utility model is better set forth below in conjunction with specific embodiment.
See also Fig. 1-Fig. 3, Fig. 1 is the structural representation of the test unit that is used to measure concrete slump and divergence in the utility model; The side view of Fig. 2 when being used to measure the test unit use of concrete slump and divergence in the utility model; The vertical view of Fig. 3 when being used to measure the test unit use of concrete slump and divergence in the utility model.
The test unit that is used to measure concrete slump and divergence that the utility model provides comprises base 1, vertical survey scale 2 and horizontal survey scale 4.Base 1 is a cylindrical base; Comprise cylinder and following cylinder, last cylinder is the integral cast moulding with following cylinder, and vertical survey scale 2 is installed on the base 1; The two ends of horizontal survey scale 4 are provided with trepanning, and vertical survey scale 2 is inserted on horizontal survey scale 4 through trepanning.Trepanning is provided with the regulating part that is used for fixing, and regulating part is a setting nut 3, and the set inside of trepanning side has threaded hole, and setting nut 3 is complementary with threaded hole.
When this device carries out concrete mix 5 slumps and divergence mensuration; Regulate horizontal survey scale 4 height through setting nut 3; Make the peak after horizontal survey scale 4 lower surfaces contact concrete mix 5 collapses, the scale value that reads vertical survey scale 2 is the slump of concrete mix 5; Make the edge of the zero graduation line aligning concrete mix 5 of horizontal ruler, measure its maximum gauge and minimum diameter, the arithmetic mean of two diameters is the divergence of concrete 5.
Embodiment 1:
The internal diameter of trepanning is 15mm, and external diameter is 25mm, and height is 20mm.
Horizontal survey scale 4 meter full scales are 0-70cm, and the edge of zero graduation line and base 1 is tangent, and minimum division value is 1mm, and wide 20mm, thickness are 3mm.
When using this device to carry out concrete mix 5 slumps and divergence mensuration; Regulate horizontal survey scale 4 height through setting nut 3; Make the peak after horizontal survey scale 4 lower surfaces contact concrete mix 5 collapses, the scale value that reads vertical survey scale 2 is the slump of concrete mix 5; Make the edge of the zero graduation line aligning concrete mix 5 of horizontal ruler, measure its maximum gauge and minimum diameter, the arithmetic mean of two diameters is the divergence of concrete 5.
Embodiment 2:
The internal diameter of trepanning is 20mm, and external diameter is 30mm, and height is 30mm.
Horizontal survey scale 4 meter full scales are 0-70cm, and the edge of zero graduation line and base 1 is tangent, and minimum division value is 1mm, and wide 25mm, thickness are 3mm.
When using this device to carry out concrete mix 5 slumps and divergence mensuration, mode of operation is with embodiment 1.
Embodiment 3:
The last body diameter of base 1 is 40mm, highly is 18mm, and following body diameter is 85mm, highly is 22mm.
The internal diameter of trepanning is 17mm, and external diameter is 27mm, and height is 27mm.
Horizontal survey scale 4 meter full scales are 0-70cm, and the edge of zero graduation line and base 1 is tangent, and minimum division value is 1mm, and wide 22mm, thickness are 3mm.
When using this device to carry out concrete mix 5 slumps and divergence mensuration, mode of operation is with embodiment 1.
Compared with prior art; The test unit that is used to measure concrete slump and divergence that the utility model provides; Easy to operate, can carry out the mensuration of the slump and divergence simultaneously, measure accurately; And can satisfy the mensuration requirement of the big chutable concrete slump and divergence, can carry out the mensuration of concrete flowability more convenient, exactly.
The protection domain of described the utility model is not limited to the above embodiments, and other technical scheme identical with the utility model essence all belongs to the scope of the utility model protection.
Claims (8)
1. test unit that is used to measure concrete slump and divergence; It is characterized in that; Comprise base, vertical survey scale and horizontal survey scale; Said vertical survey scale is installed on the base, and the two ends of said horizontal survey scale are provided with trepanning, and said vertical survey scale is inserted on said horizontal survey scale through said trepanning.
2. the test unit that is used to measure concrete slump and divergence according to claim 1 is characterized in that said base is a cylindrical base, comprises cylinder and following cylinder, and the said cylinder of going up is the integral cast moulding with following cylinder.
3. the test unit that is used to measure concrete slump and divergence according to claim 2 is characterized in that, said base overall height is 40mm; Said upward body diameter is 35-45mm; Highly be 15-20mm, said body diameter down is 80-90mm, highly is 20-25mm.
4. the test unit that is used to measure concrete slump and divergence according to claim 1 is characterized in that, said vertical survey scale is a cylindrical shape; Height is greater than 33cm, and diameter is 15-20mm, and meter full scale is 0-26cm; Minimum division value is 1mm; Reference mark from top to bottom, the vertical range of zero graduation line and base end face is 300mm, tolerance is 1mm.
5. the test unit that is used to measure concrete slump and divergence according to claim 1 is characterized in that, the meter full scale of said horizontal survey scale is 0-70cm; The edge of zero graduation line and said base is tangent; Minimum division value is 1mm, and wide is 20-25mm, and thickness is greater than 2mm.
6. the test unit that is used to measure concrete slump and divergence according to claim 1 is characterized in that, the internal diameter of said trepanning is 15-20mm, and external diameter is 25-30mm, highly is 20-30mm.
7. the test unit that is used to measure concrete slump and divergence according to claim 1 is characterized in that said trepanning is provided with the regulating part that is used for fixing.
8. the test unit that is used to measure concrete slump and divergence according to claim 7 is characterized in that, said regulating part is a setting nut, and said trepanning side set inside has threaded hole, and said setting nut and said threaded hole are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120573666 CN202433369U (en) | 2011-12-31 | 2011-12-31 | Testing device used for detecting slump and expansion degree of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120573666 CN202433369U (en) | 2011-12-31 | 2011-12-31 | Testing device used for detecting slump and expansion degree of concrete |
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| Publication Number | Publication Date |
|---|---|
| CN202433369U true CN202433369U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120573666 Expired - Lifetime CN202433369U (en) | 2011-12-31 | 2011-12-31 | Testing device used for detecting slump and expansion degree of concrete |
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| CN (1) | CN202433369U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997814A (en) * | 2012-12-11 | 2013-03-27 | 衡水供电公司 | Rod pit measuring instrument |
| CN103344750A (en) * | 2013-07-08 | 2013-10-09 | 清华大学 | Method for determining road roller compacted concrete composition based on pressing vibration method |
| CN105910959A (en) * | 2016-04-18 | 2016-08-31 | 国网辽宁省电力有限公司本溪供电公司 | Concrete slump measuring standard device |
| CN106970006A (en) * | 2017-04-19 | 2017-07-21 | 贵州铁建工程质量检测咨询有限公司 | A kind of Control Measures for Concrete Slump divergence method of testing and its device |
| CN112720857A (en) * | 2020-12-25 | 2021-04-30 | 东南大学 | Cement stabilized macadam continuous mixing construction water content control device and method |
-
2011
- 2011-12-31 CN CN 201120573666 patent/CN202433369U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997814A (en) * | 2012-12-11 | 2013-03-27 | 衡水供电公司 | Rod pit measuring instrument |
| CN103344750A (en) * | 2013-07-08 | 2013-10-09 | 清华大学 | Method for determining road roller compacted concrete composition based on pressing vibration method |
| CN103344750B (en) * | 2013-07-08 | 2015-02-18 | 清华大学 | Method for determining road roller compacted concrete composition based on pressing vibration method |
| CN105910959A (en) * | 2016-04-18 | 2016-08-31 | 国网辽宁省电力有限公司本溪供电公司 | Concrete slump measuring standard device |
| CN106970006A (en) * | 2017-04-19 | 2017-07-21 | 贵州铁建工程质量检测咨询有限公司 | A kind of Control Measures for Concrete Slump divergence method of testing and its device |
| CN112720857A (en) * | 2020-12-25 | 2021-04-30 | 东南大学 | Cement stabilized macadam continuous mixing construction water content control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |