CN109115647A - A kind of method for real-timely testing of emulsified asphalt stability - Google Patents
A kind of method for real-timely testing of emulsified asphalt stability Download PDFInfo
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- CN109115647A CN109115647A CN201811162643.0A CN201811162643A CN109115647A CN 109115647 A CN109115647 A CN 109115647A CN 201811162643 A CN201811162643 A CN 201811162643A CN 109115647 A CN109115647 A CN 109115647A
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- Prior art keywords
- emulsified asphalt
- stability
- real
- sample
- timely testing
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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
Abstract
The present invention discloses a kind of stability test method of emulsified asphalt, it directly samples and is detected from emulsified asphalt storage container, obtained testing result is able to reflect the real-time performance of emulsified asphalt, so as to judge whether emulsified asphalt isolates, isolate layering degree, whether influence to use, and then the practical application of emulsified asphalt can be instructed.
Description
Technical field
The present invention relates to road asphalt Material Testing Technology field, more particularly to a kind of emulsified asphalt stability
Test method.
Background technique
Emulsified asphalt is pitch and emulsifier under certain process acts, the oil-in-water of formation or the liquid bitumen of Water-In-Oil
System is presently the most common room temperature asphalt material, has the characteristics that current thus quick in road without heating, now mixing
There is relatively broad application in repairing, the adhesion coating of pavement structure and permeable layers.
But emulsified asphalt is obtained by mechanical stirring and chemically stable method, mainly composition includes matrix
Pitch and water, while a small amount of emulsifier, stabilizer is added etc., the matrix pitch and water as main material are immiscible, institute
It is very unstable with the state of emulsified asphalt, the phenomenon that being easy to appear isolation.Emulsified asphalt isolates, road surface when will lead to application
Asphalt membrane is in uneven thickness, color is inconsistent, it is easily loose, the diseases such as do not form, seriously affect service life and the use process of road
In comfort and safety.
Currently, the mostly Forecast and Estimate method that the test and evaluation method of emulsified asphalt stability uses, such as JTG E20-
Emulsified asphalt storage stability test (T 0655- in 2011 " highway engineering pitch and Asphalt Mixture Experiment regulations "
1993), after by standing a period of time, the ratio of upper and lower level evaporated residue evaluates the stability of emulsified asphalt, so
The real-time performance of emulsified asphalt use site cannot be reacted, and actually uses scene and there is complicated disturbing factor, thus is estimated
The method of evaluation can not completely react the actual use performance of emulsified asphalt.
Therefore, the problem of those skilled in the art's urgent need to resolve is how to provide a kind of quick, real-time, accurate method
The stability of emulsified asphalt is evaluated, to instruct the practical application of emulsified asphalt.
Summary of the invention
In view of this, emulsified asphalt use can be reacted the present invention provides a kind of stability test method of emulsified asphalt
Whether the real-time performance at scene judges whether emulsified asphalt isolates, isolates the degree being layered, influences to use, to instruct cream
Change the practical application of pitch.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of method for real-timely testing of emulsified asphalt stability, which is characterized in that specifically comprise the following steps:
(1) emulsified asphalt samples: uniformly obtaining the sample that volume is V from the top and bottom of emulsified asphalt storage container respectively
Product；
(2) it measures: weighing the quality of each sample respectively, and recorded；
(3) the average value m of top sample weight outcome evaluation: is calculated separately according to the result of above-mentioned weighing1With bottom sample
The average value m of product weight2；And coefficient of stability k is calculated according to the above results, the steady of emulsified asphalt is evaluated according to coefficient of stability k
It is qualitative.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention is directly sampled from emulsified asphalt storage container and is examined
It surveys, obtained testing result is able to reflect the real-time performance of emulsified asphalt, so as to judge whether emulsified asphalt isolates, isolates
Whether the degree of layering influences to use, and then can instruct the practical application of emulsified asphalt.
Preferably, the step (1) specifically:
A, guarantee emulsified asphalt storage container without stirring and shake, it is then first equal from the top of emulsified asphalt reservoir
Even to obtain the top sample that n volume is V, the n is integer；
B, the bottom sample that n volume is V is uniformly obtained from the bottom of emulsified asphalt reservoir again.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention guarantee before sampling emulsified asphalt storage container without
Stirring and shaking, it is possible to which the effect after reflecting the physical holding of the stock of emulsified asphalt guarantees the authenticity of testing result；And it samples
When first carry out top sample, carrying out bottom sampling, it is ensured that will not influence bottom emulsified asphalt during top sample
Dispersion thereby may be ensured that the sample of bottom acquirement can represent the actual conditions of emulsified asphalt storage container bottom, can
To guarantee the accuracy of testing result.
Preferably, the n is 3.
Preferably, the V includes 100ml, 150ml, 200ml or 250ml.
Preferably, top sample is uniformly obtained in the plane of the downward 5cm of emulsified asphalt liquid level in the step A；It is described
Bottom sample is uniformly obtained in the plane of the upward 5cm in emulsified asphalt storage container bottom surface in step B.
Preferably, the step (2) specifically includes: the quality for weighing top sample is respectively m1-1、m1-2……m1-n；Claim
The quality for taking bottom sample is respectively m2-1、m2-1……m2-n。
Preferably, the average value m of top sample weight is calculated in the step (3) according to formula I1；It is counted according to formula II
Calculate the average value m of top sample weight2；Coefficient of stability k is calculated according to formula III；
Preferably, the step (3) evaluates the standard of the stability of emulsified asphalt according to coefficient of stability k are as follows:
As k >=0.1g/mL, evaluation emulsified asphalt stability is poor, apparent laminated segregation occurs, is not available；
As 0.1 > k >=0.05g/mL, evaluation emulsified asphalt has good stability, and laminated segregation occurs, makes after stirring
With；
As k < 0.05g/mL, evaluation emulsified asphalt stability is excellent, and laminated segregation is unobvious, directly uses.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of emulsified asphalts
Stability test method, has the following beneficial effects:
(1) detection method disclosed by the invention, have the characteristics that it is simple, fast and accurately, it is easy to operate, convenient for promoting and
It uses；
(2) present invention directly chooses test sample from emulsified asphalt storage container, can reflect the physical holding of the stock of emulsified asphalt
Performance afterwards can evaluate the stability of emulsified asphalt in real time, instruct its practical application；
(3) mode disclosed by the invention for choosing sample can effectively eliminate accidental error, so that it is guaranteed that detection knot
The accuracy of fruit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the sampling schematic diagram that the embodiment of the present invention 1 provides；
Fig. 2 attached drawing is the sampling schematic diagram that the embodiment of the present invention 1 provides.
In figure:
1 it is sample point, 2 be emulsified asphalt, 3 be emulsified asphalt storage container, 101 be top sample sample point, 102 is bottom
Portion's sample point.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of method for real-timely testing of emulsified asphalt stability, specifically comprise the following steps:
(1) emulsified asphalt samples
A, guarantee emulsified asphalt storage container without stirring and shake, it is then first equal from the top of emulsified asphalt reservoir
Even to obtain the top sample that n volume is V, the n is integer；
B, the bottom sample that n volume is V is uniformly obtained from the bottom of emulsified asphalt reservoir again.
(2) measure: the quality for weighing top sample is respectively m1-1、m1-2……m1-n；Weigh the quality difference of bottom sample
For m2-1、m2-1……m2-n；
(3) outcome evaluation: according to above-mentioned weighing as a result, calculating the average value m of top sample weight according to formula I1, press
The average value m of top sample weight is calculated according to formula II2；And according to the above results, coefficient of stability k is calculated according to formula III,
The stability of emulsified asphalt is evaluated according to coefficient of stability k.
For further optimisation technique scheme, the n is 3.
For further optimisation technique scheme, the V includes 100ml, 150ml, 200ml or 250ml.
For further optimisation technique scheme, in the step A in the plane of the downward 5cm of emulsified asphalt liquid level uniformly
Obtain top sample；Bottom sample is uniformly obtained in the plane of the upward 5cm of emulsified asphalt storage container in the step B.
For further optimisation technique scheme, the step (3) evaluates the stability of emulsified asphalt according to coefficient of stability k
Standard are as follows:
As k >=0.1g/mL, evaluation emulsified asphalt stability is poor, apparent laminated segregation occurs, is not available；
As 0.1 > k >=0.05g/mL, evaluation emulsified asphalt has good stability, and laminated segregation occurs, makes after stirring
With；
As k < 0.05g/mL, evaluation emulsified asphalt stability is excellent, and laminated segregation is unobvious, directly uses.
Embodiment 1
The embodiment of the invention discloses a kind of method for real-timely testing of emulsified asphalt stability, specifically comprise the following steps:
(1) emulsified asphalt samples
A, guarantee emulsified asphalt storage container without stirring and shake, then as shown in Figure 1 first in emulsified asphalt liquid level
In the plane of downward 5cm, the top sample that 3 volumes are 100ml is obtained according to sample point as shown in Figure 2；
B, it is taken as shown in Figure 1 according to as shown in Figure 2 again out of the upward 5cm in emulsified asphalt storage container bottom surface plane
Sampling point obtains the bottom sample that 3 volumes are 100ml.
(2) measure: the quality for weighing top sample is respectively m1-1、m1-2、m1-3；The quality for weighing bottom sample is respectively
m2-1、m2-2、m2-3；
(3) outcome evaluation: according to above-mentioned weighing as a result, calculating the average value m of top sample weight according to formula I1, press
The average value m of top sample weight is calculated according to formula II2；And according to the above results, coefficient of stability k is calculated according to formula III,
The stability of emulsified asphalt is evaluated according to coefficient of stability k.
For further optimisation technique scheme, the step (3) evaluates the stability of emulsified asphalt according to coefficient of stability k
Standard are as follows:
As k >=0.1g/mL, evaluation emulsified asphalt stability is poor, apparent laminated segregation occurs, is not available；
As 0.1 > k >=0.05g/mL, evaluation emulsified asphalt has good stability, and laminated segregation occurs, makes after stirring
With；
As k < 0.05g/mL, evaluation emulsified asphalt stability is excellent, and laminated segregation is unobvious, directly uses.
In order to illustrate the detection effect of technical solution disclosed by the embodiments of the present invention, it is utilized respectively embodiment 1 and JTG
Emulsified asphalt storage stability test (T 0655- in E20-2011 " highway engineering pitch and Asphalt Mixture Experiment regulation "
1993) it is full of to Guangdong and is detected up to the cationic slow breaking PC-2 type emulsified asphalt that petrochemical industry trade Co., Ltd sells, is detected
As a result it compares.
1, using method disclosed in embodiment 1 to Guangdong be full of up to petrochemical industry trade Co., Ltd sell cationic slow breaking
PC-2 type emulsified asphalt is detected, and wherein the sample quality of step (2) measurement is as shown in table 1 below.
Table 1
According to the data in above-mentioned table 1, and calculate separately m1And m2, the results are shown in Table 1, and according to the knot in table 1
Fruit calculates coefficient of stability k.
Illustrate that emulsified asphalt stability is preferable, laminated segregation is unobvious, can directly use.
2, it is stored using the emulsified asphalt in JTG E20-2011 " highway engineering pitch and Asphalt Mixture Experiment regulation "
Stability test (T 0655-1993) emulsifies the cationic slow breaking PC-2 type that Guangdong is full of up to the sale of petrochemical industry trade Co., Ltd
Pitch is detected, and S is as a result obtainedS=3.2%, stability is preferable, is consistent with test result of the present invention.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of method for real-timely testing of emulsified asphalt stability, which is characterized in that specifically comprise the following steps:
(1) emulsified asphalt samples: uniformly obtaining the sample that volume is V from the top and bottom of emulsified asphalt storage container respectively；
(2) it measures: weighing the quality of each sample respectively, and recorded；
(3) the average value m of top sample weight outcome evaluation: is calculated separately according to the result of above-mentioned weighing1With bottom sample weight
Average value m2；And coefficient of stability k is calculated according to the above results, the stability of emulsified asphalt is evaluated according to coefficient of stability k.
2. a kind of method for real-timely testing of emulsified asphalt stability according to claim 1, which is characterized in that the step
(1) specifically:
A, the top sample that n volume is V is uniformly first obtained from the top of emulsified asphalt reservoir, the n is integer；
B, the bottom sample that n volume is V is uniformly obtained from the bottom of emulsified asphalt reservoir again.
3. a kind of method for real-timely testing of emulsified asphalt stability according to claim 2, which is characterized in that the n is
3。
4. a kind of method for real-timely testing of emulsified asphalt stability according to claim 2 or 3, which is characterized in that the V
Including 100ml, 150ml, 200ml or 250ml.
5. a kind of method for real-timely testing of emulsified asphalt stability according to claim 4, which is characterized in that the step
Top sample is uniformly obtained in the plane of the downward 5cm of emulsified asphalt liquid level in A；It stores and holds in emulsified asphalt in the step B
Bottom sample is uniformly obtained in the plane of the upward 5cm in device bottom surface.
6. a kind of method for real-timely testing of emulsified asphalt stability according to claim 5, which is characterized in that the step
(2) specifically include: the quality for weighing top sample is respectively m1-1、m1-2……m1-n；The quality for weighing bottom sample is respectively
m2-1、m2-1……m2-n。
7. a kind of method for real-timely testing of emulsified asphalt stability according to claim 6, which is characterized in that the step
(3) the average value m of top sample weight is calculated according to formula I1；The average value m of top sample weight is calculated according to formula II2；
Coefficient of stability k is calculated according to formula III；
8. a kind of method for real-timely testing of emulsified asphalt stability according to claim 7, which is characterized in that the step
(3) standard of the stability of emulsified asphalt is evaluated according to coefficient of stability k are as follows:
As k >=0.1g/mL, evaluation emulsified asphalt stability is poor, apparent laminated segregation occurs, is not available；
As 0.1 > k >=0.05g/mL, evaluation emulsified asphalt has good stability, and laminated segregation occurs, uses after stirring；
As k < 0.05g/mL, evaluation emulsified asphalt stability is excellent, and laminated segregation is unobvious, directly uses.
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| CN112881226A (en) * | 2019-11-29 | 2021-06-01 | 中石油克拉玛依石化有限责任公司 | Method and experimental device for evaluating storage stability of emulsified asphalt |
| CN114384106A (en) * | 2020-10-22 | 2022-04-22 | 中石油克拉玛依石化有限责任公司 | Method for evaluating thermal storage stability of modified asphalt |
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Application publication date: 20190101 |