CN107796725A - Concrete disintegration dynamic analysing method - Google Patents
Concrete disintegration dynamic analysing method Download PDFInfo
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- CN107796725A CN107796725A CN201710804182.1A CN201710804182A CN107796725A CN 107796725 A CN107796725 A CN 107796725A CN 201710804182 A CN201710804182 A CN 201710804182A CN 107796725 A CN107796725 A CN 107796725A
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- concrete
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The present invention proposes a kind of concrete disintegration dynamic analysing method, using concrete analysis groove, concrete analysis groove includes bottom plate and two blocks of side plates be connected with bottom plate, and polylith clamp is disposed with along the length direction of bottom plate on bottom plate, the height of the height of clamp less than side plate；The concrete disintegration dynamic analysing method comprises the following steps：Step 1: injection concrete；Step 2: component extracts；Step 3: isolation degree analyzing.Beneficial effects of the present invention：Using specially designed concrete analysis groove, it is easy to the dynamic measurement to concrete disintegration, assesses the isolation degree of dynamic segregating concrete, and analyze the change of component of dynamic segregating concrete.
Description
Technical field
The present invention relates to concrete disintegration analysis technical field, more particularly to a kind of concrete disintegration dynamic analysis side
Method.
Background technology
With the development of casting concrete technology, casting concrete technology is widely used to civil construction industry.Coagulation
The isolation of soil not only influences the quality of concrete, and easily causes line clogging, it is necessary to carry out isolation analysis to concrete.But
Be, using it is existing measure separating device can not realize concrete disintegration dynamic measure, and can not to concrete from
Analysis carries out dynamic analysis.
The content of the invention
It is an object of the invention to provide a kind of concrete disintegration dynamic analysing method, solve at present can not to concrete from
The technical problem that analysis dynamic is measured and can not also analyzed the isolation degree of dynamic segregating concrete.
The present invention provides a kind of concrete disintegration dynamic analysing method, using concrete analysis groove, concrete analysis groove bag
The two blocks of side plates for including bottom plate and being connected with bottom plate, polylith clamp is disposed with along the length direction of bottom plate on bottom plate, clamp
Highly it is less than the height of side plate；The concrete disintegration dynamic analysing method comprises the following steps：
Step 1: injection concrete
The bottom plate of concrete analysis groove is with respect to the horizontal plane inclined upwardly, the concrete being analysed to is from concrete analysis
In the upper end injection concrete analysis groove of groove, concrete is set to cover clamp, concrete is under gravity from concrete analysis groove
Upper end flow to lower end；
Step 2: component extracts
After concrete stops flowing, concrete is attached on clamp, and concrete is removed from every piece of clamp as a
Place, cement slurry, sand, the stone of different-grain diameter grade are sifted out respectively to every a concrete, to every a reclaimed water mud
Body, sand, the stone of different-grain diameter grade are weighed respectively, are recorded per a reclaimed water slurry body, sand, the stone of different-grain diameter grade
The weight of son and the gross weight per portion；
Step 3: isolation degree analyzing
A, global analysis, the 1st part of standard deviation S to N part gross weights is calculated,Wherein, XiFor
I-th part of gross weight,For the 1st part to N part gross weights of average value, standard deviation S is bigger, and isolation degree is bigger；
B, component Accurate Analysis, the standard deviation s of the 1st part of each component weight into N parts is calculatedi,
Wherein, xiFor a kind of weight of component in i-th part,For the average value of the 1st part of component weight same into N parts, calculate
The coefficient of variation CV of 1st part of each component into N parts,Coefficient of variation CV is bigger, the isolation journey of this kind of component
Degree is bigger；
C, dynamic analysis, make every a reclaimed water slurry body, sand, different-grain diameter grade stone weight respectively divided by
Dimensionless number is obtained, calculates the standard deviation S per all components dimensionless number in portioni,
Wherein, xNiFor the weight of i-th kind of component in N parts,For the average value of each dimensionless number in N parts, each part of com-parison and analysis
The standard deviation S of middle all components dimensionless numberi, compare concrete and flow to the degree isolated at different distance, standard deviation SiMore
Greatly, it is bigger to isolate degree.
Further, in step 1, support base is set below the bottom plate of concrete analysis groove, so that concrete analysis groove
Bottom plate be with respect to the horizontal plane inclined upwardly.
Further, wherein left plate is detachably connected with bottom plate, and in step 2, left plate is disassembled, with brush
Son removes the concrete on clamp.
Further, the side of bottom plate offers the crossheading that can be connected together with left plate.
Further, the neck that can be connected together with clamp is offered on the inside of left plate.
Further, concrete analysis groove also includes front side board, and front side board is connected with bottom plate, two blocks of side plates respectively.
Further, in step 2, cement slurry, sand are sifted out respectively by the screen cloth of different pore size to every a concrete
Son, the stone of different-grain diameter grade.
Further, in step 2, electronics is passed through to the stone of every a reclaimed water slurry body, sand, different-grain diameter grade
Scale is weighed respectively.
Compared with prior art, concrete disintegration dynamic analysing method of the invention and have the characteristics that and advantage：
The concrete disintegration dynamic analysing method of the present invention, using specially designed concrete analysis groove, is easy to coagulation
The dynamic measurement of soil isolation, assesses the isolation degree of dynamic segregating concrete, and analyze the change of component of dynamic segregating concrete.
After the embodiment of the present invention is read in conjunction with the figure, the features and advantages of the invention will become clearer.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation for the concrete analysis groove that the embodiment of the present invention uses；
Fig. 2 is the structural representation of left plate in the concrete analysis groove that the embodiment of the present invention uses；
Fig. 3 is the structural representation for the concrete analysis groove bottom plate that the embodiment of the present invention uses；
Wherein, 1, front side board, 2, right plate, 3, bottom plate, 4, left plate, 5, clamp, 6, neck, 7, crossheading.
Embodiment
A kind of concrete disintegration dynamic analysing method of the present embodiment, using concrete analysis groove, as shown in Figure 1 to Figure 3,
Concrete analysis groove includes front side board 1, bottom plate 3, left plate 4 and right plate 2, and bottom plate 3 connects with left plate 4, right plate 2 respectively
Connect, front side board 1 is connected with bottom plate 3, left plate 4, right plate 2 respectively.Wherein, the side of bottom plate 3, which offers, to block with left plate 4
The crossheading 7 of connection is closed, so that left plate 4 is detachably connected with bottom plate 3, is disposed with bottom plate 3 along the length direction of bottom plate 3
Polylith clamp 5, the inner side of left plate 4 offer the neck 6 that can be connected together with clamp 5, and the height of clamp 5 is respectively less than left plate
4th, the height of right plate 2.
The concrete disintegration dynamic analysing method of the present embodiment includes following three steps.
Step 1: injection concrete
Support base is set in the lower section of the bottom plate 3 of concrete analysis groove, by the bottom plate 3 of concrete analysis groove relative to water
Plane is inclined upwardly, by the concrete to be analyzed being stirred from the upper end of concrete analysis groove injection concrete analysis groove,
Concrete is set to cover clamp 5, concrete flow to lower end from the upper end of concrete analysis groove under gravity.In injection, by
In being provided with front side board 1, concrete to be analyzed can be avoided to be spilt from the upper end of concrete analysis groove.
Step 2: component extracts
After concrete stops flowing, concrete is attached on clamp 5, and left plate 4 is disassembled, with brush by clamp
Concrete on 5 is removed.The concrete removed from every piece of clamp 5 is placed as a, passes through difference to every a concrete
The screen cloth in aperture sifts out cement slurry, sand, the stone of different-grain diameter grade respectively, to every a reclaimed water slurry body, sand, no
Stone with particle diameter grade is weighed respectively by electronic scale, is recorded per a reclaimed water slurry body, sand, the stone of different-grain diameter grade
The weight of son and the gross weight per portion.Record case, with reference to the partial data in table 1：
Component analysis (the unit of concrete on 1 each clamp of table：kg)
Step 3: isolation degree analyzing
A, global analysis, the 1st part of standard deviation S to N part gross weights is calculated,Wherein, XiFor
I-th part of gross weight,For the 1st part to N part gross weights of average value, S is reported in Table 1 below, standard deviation S is bigger, isolation
Degree is bigger.
B, component Accurate Analysis, the standard deviation s of the 1st part of each component weight into N parts is calculatedi,Wherein, xiFor a kind of weight of component in i-th part,For the 1st part of component weight same into N parts
The average value of amount, the coefficient of variation CV of the 1st part of each component into N parts is calculated,By si, CV be recorded in table 1
In, coefficient of variation CV is bigger, and the isolation degree of this kind of component is bigger；
It is as follows by taking cement slurry as an example：
Standard deviation：
The coefficient of variation：
C, dynamic analysis, make every a reclaimed water slurry body, sand, different-grain diameter grade stone weight respectively divided by
Dimensionless number is obtained, calculates the standard deviation S per all components dimensionless number in portioni,
Wherein, xNiFor the weight of i-th kind of component in N parts,For the average value of each dimensionless number in N parts, each part of com-parison and analysis
The standard deviation S of middle all components dimensionless numberi, compare concrete and flow to the degree isolated at different distance, by SiIt is recorded in
In table 2, standard deviation SiBigger, isolation degree is bigger；
It is as follows by taking No. 1 clamp as an example：
Concrete disintegration dynamic analysis (the unit of table 2：Nothing)
The concrete disintegration dynamic analysing method of the present embodiment, using specially designed concrete analysis groove, according to not from
Inside concrete homogeneous and not stratified, segregating concrete interior laminate layer principle are analysed, allows concrete in the concrete with clamp 5 point
Groove flowing is analysed, the concrete that the top of clamp 5 by analyzing different flow distances is detained, is easy to the dynamic survey to concrete disintegration
Amount, assesses the isolation degree of dynamic segregating concrete, and analyzes the change of component of dynamic segregating concrete.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention, it should also belong to the present invention's
Protection domain.
Claims (8)
1. a kind of concrete disintegration dynamic analysing method, it is characterised in that using concrete analysis groove, concrete analysis groove includes
Bottom plate and two blocks of side plates being connected with bottom plate, polylith clamp, the height of clamp are disposed with along the length direction of bottom plate on bottom plate
Height of the degree less than side plate；The concrete disintegration dynamic analysing method comprises the following steps：
Step 1: injection concrete
The bottom plate of concrete analysis groove is with respect to the horizontal plane inclined upwardly, the concrete being analysed to is from concrete analysis groove
In upper end injection concrete analysis groove, concrete is set to cover clamp, concrete is under gravity from the upper of concrete analysis groove
End flow to lower end；
Step 2: component extracts
After concrete stops flowing, concrete is attached on clamp, and concrete is removed from every piece of clamp and is placed as a,
Cement slurry, sand, the stone of different-grain diameter grade are sifted out respectively to every a concrete, to every a reclaimed water slurry body, sand
Son, the stone of different-grain diameter grade are weighed respectively, are recorded per a reclaimed water slurry body, the stone of sand, different-grain diameter grade
Weight and the gross weight per portion；
Step 3: isolation degree analyzing
A, global analysis, the 1st part of standard deviation S to N part gross weights is calculated,Wherein, XiFor i-th part
Gross weight,For the 1st part to N part gross weights of average value, standard deviation S is bigger, and isolation degree is bigger；
B, component Accurate Analysis, the standard deviation s of the 1st part of each component weight into N parts is calculatedi,
Wherein, xiFor a kind of weight of component in i-th part,For the average value of the 1st part of component weight same into N parts, calculate
The coefficient of variation CV of 1st part of each component into N parts,Coefficient of variation CV is bigger, the isolation journey of this kind of component
Degree is bigger；
C, dynamic analysis, make every a reclaimed water slurry body, sand, different-grain diameter grade stone weight respectively divided byObtain
Dimensionless number, calculate the standard deviation S per all components dimensionless number in portioni,Its
In, xNiFor the weight of i-th kind of component in N parts,For the average value of each dimensionless number in N parts, in each part of com-parison and analysis
The standard deviation S of all components dimensionless numberi, compare concrete and flow to the degree isolated at different distance, standard deviation SiMore
Greatly, it is bigger to isolate degree.
2. concrete disintegration dynamic analysing method according to claim 1, it is characterised in that：In step 1, in concrete
Support base is set below the bottom plate of analysis vat, so that the bottom plate of concrete analysis groove is with respect to the horizontal plane inclined upwardly.
3. concrete disintegration dynamic analysing method according to claim 1, it is characterised in that：Wherein left plate can with bottom plate
Dismantling connection, in step 2, left plate is disassembled, removed the concrete on clamp with brush.
4. concrete disintegration dynamic analysing method according to claim 3, it is characterised in that：The side of bottom plate offers can
The crossheading being connected together with left plate.
5. concrete disintegration dynamic analysing method according to claim 3, it is characterised in that：Offered on the inside of left plate
The neck that can be connected together with clamp.
6. concrete disintegration dynamic analysing method according to claim 1, it is characterised in that：Concrete analysis groove also includes
Front side board, front side board are connected with bottom plate, two blocks of side plates respectively.
7. concrete disintegration dynamic analysing method according to claim 1, it is characterised in that：In step 2, to every portion
Concrete by the screen cloth of different pore size sift out respectively cement slurry, sand, different-grain diameter grade stone.
8. concrete disintegration dynamic analysing method according to claim 1, it is characterised in that：In step 2, to every portion
Middle cement slurry, sand, the stone of different-grain diameter grade are weighed respectively by electronic scale.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884285A (en) * | 2019-03-06 | 2019-06-14 | 山东省交通科学研究院 | A kind of test method for Under Concrete isolation degree of vibrating |
| CN110082252A (en) * | 2019-05-31 | 2019-08-02 | 宿州学院 | A kind of grouting serous fluid bleed experimental provision and syneresis rate changing rule test method |
| CN112924653A (en) * | 2021-01-15 | 2021-06-08 | 清华大学 | Non-contact concrete segregation degree intelligent real-time analysis method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884285A (en) * | 2019-03-06 | 2019-06-14 | 山东省交通科学研究院 | A kind of test method for Under Concrete isolation degree of vibrating |
| CN110082252A (en) * | 2019-05-31 | 2019-08-02 | 宿州学院 | A kind of grouting serous fluid bleed experimental provision and syneresis rate changing rule test method |
| CN110082252B (en) * | 2019-05-31 | 2024-06-11 | 宿州学院 | Grouting slurry water-separating experimental device and water-separating rate change rule testing method |
| CN112924653A (en) * | 2021-01-15 | 2021-06-08 | 清华大学 | Non-contact concrete segregation degree intelligent real-time analysis method and device |
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Application publication date: 20180313 |