CN109580362A - A method of evaluation asphalt splitting fatigue performance - Google Patents
A method of evaluation asphalt splitting fatigue performance Download PDFInfo
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- CN109580362A CN109580362A CN201910076531.1A CN201910076531A CN109580362A CN 109580362 A CN109580362 A CN 109580362A CN 201910076531 A CN201910076531 A CN 201910076531A CN 109580362 A CN109580362 A CN 109580362A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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Abstract
The invention discloses a kind of methods for evaluating asphalt splitting fatigue performance, by the way that cleavage strength and fatigue test under the conditions of different loading speeds are carried out to test specimen using multifunctional material pilot system (MTS-Landmark), and the splitting fatigue performance prediction model that the present invention is based on speed related stress than establishing asphalt under the conditions of different loading speeds, and it finds than thought asphalt Strength Failure and Fatigue Failures to be unified using speed related stress, not only compensate for using traditional fatigue behaviour evaluation method can not accurate evaluation fatigue performance of asphalt mixture deficiency, also improve the science and reliability of fatigue performance of asphalt mixture evaluation, theoretical foundation is provided for the design of durable asphalt pavement.
Description
Technical field
The invention belongs to technical field of road engineering more particularly to a kind of sides for evaluating asphalt splitting fatigue performance
Method.
Background technique
It is generally believed that fatigue crack starts from the bottom (tensile stress highest) of bitumen layer, extends then up, eventually exist
Road surface forms fatigue crack.Repeat the most common destruction shape that fatigue cracking caused by traffic loading is asphalt pavement structure
The significant consideration of formula and asphalt pavement structure design.According to dominant mechanism, the hair of asphalt subsurface fatigue crack
Exhibition and extension can be divided into two Main Stages: the starting and extension of micro-crack and the formation and extension of macroscopic cracking.Therefore,
The fatigue behaviour complex of asphalt, there is an urgent need to a kind of more reasonable methods to carry out accurate evaluation asphalt
Fatigue behaviour.
Fatigue life is one of the key parameter for characterizing bituminous pavement failure mechanism, is to determine bituminous pavement service life
One of important mechanical property, for this purpose, many researchers propose several Tiredness models, to be best understood from the tired of bituminous pavement
Its service life is predicted in labor behavior.
Asphalt Tiredness model research method has traditional study of phenomenon method, fracture mechanics method, Dissipated energy method, in recent years,
Occur largely coming the method for Research on Asphalt Mixture fatigue behaviour, packet from the fine sight angle of material and damage mechanics method both at home and abroad
Include CT scan research method, finite element method, Numerical Analysis methods etc..
Discrete element analysis is applied to Asphalt Mixture Experiment simulation earlier when studying splitting fatigue performance by someone
In, and fatigue properties of asphalt mixture is predicted based on Discrete Element method；Someone utilizes Nonlinear Cumulative defect theory,
The relationship for having studied injury tolerance and CYCLIC LOADING number, remaining crack initiation life, calculates drip by Fatigue Life model
The fatigue life on green road surface and degree of injury, and have studied the influence of the thickness and elasticity modulus of structure sheaf to fatigue life；Have
People uses cleavage strength and fatigue test under the conditions of Stress Control, proposes the general of fatigue life ratio and fatigue life loss late
It reads, while recommending the tensile strength structure coefficient of reclaimed asphalt mixture；Someone has studied 11 kinds of different test methods
The fatigue behaviour of asphalt is assessed, including is uniaxially stretched and uniaxial compression, bending and Indirect Tensile Tests, the results showed that,
The fatigue behaviour that different tests method obtains is difficult to be compared.
Although the result obtained from some Tiredness models has stronger correlation with test result, these models are equal
Influence of the loading speed to fatigue performance of asphalt mixture is not accounted for, and asphalt is a kind of viscoelastic material, it is strong
Degree influenced by loading speed it is very big, to influence its fatigue behaviour.Accordingly, it is considered to which the Tiredness model of loading speed will mention significantly
Height predicts the accuracy of its fatigue life.
Further more, because apply compression load technically can be easier to realize than tensile load, splitting fatigue examination
Proved recipe method is widely used in the tensile property of test civil engineering material (such as rock and concrete).Further, since it is in test specimen
What inside generated is two-dimensional state of stress, and splitting fatigue test method also has apparent advantage than other test methods.Especially
, respectively in the horizontal and vertical directions by stretching strain and compressive strain, this just makes for the bottom of bitumen layer in asphalt pavement structure
Splitting fatigue test method is obtained to be more suitable for evaluating the fatigue behaviour of asphalt compared to other fatigue test methods.
Summary of the invention
In view of this, the present invention provides a kind of methods for evaluating asphalt splitting fatigue performance.By to difference
Asphalt splitting fatigue result is analyzed under loading speed, has not been only reached to asphalt under different loading speeds
The purpose of fatigue behaviour evaluation, and unify asphalt Strength Failure and Fatigue Failures, while being resistance to
The design of long property bituminous pavement provides theoretical foundation.
To achieve the goals above, the invention provides the following technical scheme:
A method of evaluation asphalt splitting fatigue performance, the evaluation method specifically comprise the following steps:
(1) test of the cleavage strength under different loading speeds is carried out to asphalt；
(2) test of the splitting fatigue under different loading speeds is carried out to asphalt.
Intensity, fatigue test method, specifically comprise the following steps:
Step 1: use the mineral aggregate through successively sieving, and by load weighted mineral aggregate put in an oven preheat 4 hours so that
Mineral aggregate is sufficiently dried, and adds mineral aggregate in agitated kettle every time or pitch stirs 90 seconds so as to gather materials and is uniformly mixing to obtain pitch mixing
Material；And according to the test requirements document of JTG E20-2011 " highway engineering pitch and Asphalt Mixture Experiment regulation ", rotated using SGC
It is 100 ± 2mm that the asphalt is fabricated to height by compactor, and diameter is the laboratory test specimen of 100 ± 2mm, wait test
Several days of smooth desktop are statically placed in after the specimen molding of room, being cut into height to satisfactory laboratory test specimen is 60 ± 2mm, directly
Diameter is the cylinder test specimen of 100 ± 2mm, spare.
Step 2: the test of intensity, fatigue uses multifunctional material pilot system (MTS-Landmark), surely by step
The cylinder test specimen got ready is placed in the insulating box that temperature is 15 DEG C and keeps the temperature 4-5h, is then placed on multifunctional material pilot system
(MTS-Landmark) on splitting fatigue test support, and adjusting keeps the pressure head of splitting fatigue test and cylinder test specimen preliminary
Contact start test, and test process and completed in insulating box；
Step 3: working out operation program by built-in MPT and setting is further applied load and acquisition parameter, each loading cycle
Power is measured automatically by data collection system, displacement deformation is measured by displacement sensor, by cylinder test specimen in different load speed
Cleavage strength test is carried out under rate, and each loading speed has carried out five effective parallel tests, be averaged up to not
With the cleavage strength value under loading speed；
Step 4: obtaining the intensity value of different loading speeds according to step 3, has carried out splitting fatigue test, and will be tired
The ratio between the stress level of a certain loading speed intensity value corresponding with loading speed identical in strength test is defined as speed in test
Spend related stress ratio；
Step 5: the speed related stress ratio obtained based on step 4, pitch mixes under the conditions of establishing different loading speeds
The splitting fatigue performance prediction model of material, and find to make asphalt intensity than thought using speed related stress of the invention
Failure and Fatigue Failures obtain unification.
It should be noted that the fatigue life of asphalt is affected by two kinds of load controlling mode, according to load item
Whether part changes, and load is divided into simple loads and compound load.The characteristics of simple loads is loading condition guarantor during test
Hold constant, and compound load is in contrast.According to test demand, this test uses easy simple loads loading mode, from
The characteristics of test is divided into Stress Control and strain controlling in nature, they have oneself.
The limit value of load and stress remain unchanged when Stress Control is load every time, and the intensity of asphalt is made with load
Reduced with the increase of number, although in this case stress amplitude stablize it is constant, generate strain can continue increase, most
The whole thorough failure test of girder test specimen terminates, and the cyclic load number that whole process is passed through is fatigue life.
Controlled strain is constant when strain controlling loads every time, and the intensity of asphalt is likewise as number of loading
Increase and reduce, constant in order to keep straining every time, the load applied constantly reduces, and stress becomes smaller, strain controlling fatigue
The termination condition of test is that the corresponding stress amplitude that is further applied load is reduced to the half of primary stress amplitude, and test specimen is passed through at this time
Cyclic load number be fatigue life.
Theoretically two kinds of control models are analyzed: first, the fatigue test of Stress Control is being tied under the same terms
Shorter the time required to when beam, reproducibility is preferable.U.S.'s Asphalt Mixture Design method shows, at identical conditions fatigue life
Comparison on, strain controlling mode is 2.4 times of Stress Control mode.Second, since there are microfissures in asphalt, adopt
When with proof stress mode, the load really applied can be made slightly to increase, simultaneously as the inhomogeneities of asphalt itself,
Inevitably there are different degrees of planes of weakness inside test specimen, and the destruction of girder test specimen is more rapid, for off-test
Judgment basis more be illustrated, and use strain controlling when fatigue rupture standard it is more indefinite, be reduced to initially using stiffness
The condition terminated when the half of stiffness as test, random disadvantage are more prominent.Third, Stress Control strong operability, from
The degree of dissipating is relatively small, and criterion of failure is clear, so tested number is smaller.
Comprehensively considering, the Stress Control mode under simple loading mode and China's asphalt pavement structure design are more coincide,
Suitable for asphalt fatigue endurance Journal of Sex Research.Therefore, this test carries out the tired of asphalt using Stress Control mode
Labor performance study.
Preferably, SGC rotary compactor, and the work of the SGC rotary compactor are selected in the laboratory test material preparation
Parameter: Vertical loading pressure is 600kPa ± 18kPa, and compacting revolving speed is 30r/min ± 0.5r/min, and effective internal rotation angle is
1.16±0.02°。
SGC rotary compactor disclosed by the invention has the note for automatically determining height of specimen, number of revolutions and respective heights
Record and display function.
Preferably, the size of the cylinder test specimen: being highly 60 ± 2mm, and diameter is 100 ± 2mm, and the cylindrical body
Test specimen can be directly used for cleavage strength and fatigue test.
Preferably, in the step 3, the power of each loading cycle is measured automatically by data collection system, displacement deformation by
Displacement sensor measures.
Preferably, in step 3 cleavage strength test, the loading speed selected in strength test is 5MPa/s,
10MPa/s、20MPa/s、30MPa/s、40MPa/s、50MPa/s、60MPa/s、70MPa/s。
Preferably, the principle of the cleavage strength test loading speed is: intensity changes with loading speed in order to obtain
Full curve, the selection of loading speed is more as far as possible, therefore cleavage strength is tested and has chosen 7 loading speeds, from intensity with adding
The change curve of rate is carried it is recognised that intensity is gradually decreased with the change rate of loading speed, when cleavage strength test
When loading speed is 70MPa/s, curve is very gentle, to obtain the full curve that intensity changes with loading speed.
Preferably, in the splitting fatigue test of the step 4, use control model for Stress Control mode, Loaded contact analysis
For half-sine wave；And test frequency is 10Hz, test temperature is 15 DEG C.
The reduction formula of loading frequency and loading speed are as follows:
V is the loading speed of fatigue test, and σ is the stress level of fatigue test, and T is the period of fatigue test, and f is fatigue
The loading frequency of test.
Preferably, loading speed corresponding to loading frequency is 5MPa/s, 10MPa/s, 20MPa/ in the fatigue test
S, 30MPa/s.
Preferably, in the strength test, the test result of strength test under asphalt difference loading speed is intended
It closes, attached drawing 1 is shown in matched curve, and the fit equation of intensity results is respectively as follows: under the difference loading speed
Sv=2.24289v0.22571, R2=0.957
SvFor asphalt intensity corresponding with loading speed, v is the loading speed of fatigue test, R2It is equation
Related coefficient.
By fitting result it is found that splitting strength of asphalt mixture changes with loading speed in Bending influence, intensity is with adding
It carries the increase of rate and increases, and as the rate of the increase gain in strength of loading speed eases up.
It should be noted that first having to do strength test, being loaded in existing strength test in general in fatigue test
Rate is fixed, and loading speed is influential on intensity in practical operation, therefore it is unscientific for standardizing.
By the strength test of different loading speeds, the rule that intensity changes with loading speed has been obtained, that is,
Say the intensity that any one loading speed can be obtained by this equation.Although loading speed and intensity examination in fatigue test
Loading speed in testing have it is corresponding, but if being fitted to obtain the equation that intensity changes with loading speed by test result,
Even if so intensity and the loading speed of fatigue test is not corresponding, different load speed can also be established based on speed related stress ratio
The splitting fatigue performance prediction model of asphalt under the conditions of rate.
In addition, since asphalt is a kind of viscoelastic material, intensity by loading speed influenced be it is significant,
But in existing " highway engineering pitch and test mixture regulation " (JTG E20-2011) fatigue test strength test side
Loading speed in method is fixed and invariable, therefore considers that the intensity value of loading rate effect can more react pitch mixing in the present invention
The material resistance of material, so that the accurate prediction for asphalt splitting fatigue performance is provided fundamental basis.
Further, identical in the stress level of a certain loading speed of splitting fatigue test being tested with cleavage strength to add
The stress ratio that the ratio of the corresponding intensity value of rate is tested as this is carried, the stress ratio is known as speed related stress ratio.
Through the above technical solutions, technical effect of the invention: the present invention provides a kind of splittings of evaluation asphalt
The method of fatigue behaviour, by carrying out different loading speeds to test specimen using multifunctional material pilot system (MTS-Landmark)
Under the conditions of cleavage strength and fatigue test, and it is mixed based on speed related stress ratio to establish pitch under the conditions of different loading speeds
The splitting fatigue performance prediction model of material is closed, and finds to make asphalt Strength Failure than thought using speed related stress
Unified with Fatigue Failures, not only compensating for can not accurate evaluation pitch using traditional fatigue behaviour evaluation method
The deficiency of fatigue properties of asphalt mixture also improves the science and reliability of the evaluation of bituminous pavement fatigue behaviour, drips for durability
The design on green road surface provides theoretical foundation.
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 is changing rule of the splitting strength of asphalt mixture with loading speed.
Fig. 2 is the asphalt splitting fatigue performance fitted curve based on speed related stress than thought.
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 methods for evaluating asphalt splitting fatigue performance, by different loads
Lower asphalt splitting fatigue test result is analyzed, and has not been only reached to asphalt fatigue under different loading speeds
The purpose of performance evaluation, and find using speed related stress of the invention than thought make asphalt Strength Failure and
Fatigue Failures are unified, and compensating for can not accurate evaluation asphalt using traditional fatigue behaviour evaluation method
The deficiency of fatigue behaviour is durability asphalt road to improve the science and reliability of bituminous pavement fatigue behaviour evaluation
The design in face provides theoretical foundation.
Embodiment
Splitting fatigue test method
Using mineral aggregate by successively screening, load weighted mineral aggregate is put and preheats 4 hours in an oven so that mineral aggregate is abundant
Drying, stirs to make to gather materials for 90 seconds and stirs evenly after agitated kettle adds mineral aggregate or pitch every time.
By the mineral aggregate drying through successively sieving, asphalt mixing is added and uniformly obtains asphalt, and according to " highway engineering
Pitch and Asphalt Mixture Experiment regulation " (JTG E20-2011) test requirements document, using SGC rotary compactor carry out test specimen at
Type, Vertical loading pressure are 600kPa ± 18kPa, and compacting revolving speed is 30r/min ± 0.5r/min, and effective internal rotation angle is
1.16 ± 0.02 °, it is statically placed in several days of smooth desktop after specimen molding, satisfactory laboratory test specimen is cut, it will
Highly 100 ± 2mm, diameter are that the laboratory test specimen of 100 ± 2mm is cut into 60 ± 2mm of height, and diameter is the cylinder of 100 ± 2mm
Body test specimen.
Test uses multifunctional material pilot system (MTS-Landmark), by cylinder test specimen in insulating box at 15 DEG C
Under the conditions of 4-5 hour of constant temperature, operation program setting is worked out by built-in MPT and is further applied load and acquisition parameter, each load is all
The power of phase is measured automatically by data collection system, displacement deformation is measured by displacement sensor, after start test and test process it is equal
It is completed in insulating box, test data can calculate the stress in each period, strain and strong by the processing of MATLAB programming software
Angle value.
In strength test, the test result of strength test under asphalt difference loading speed is fitted, matched curve
See attached drawing 1, the fit equation of intensity results is respectively as follows: under the difference loading speed
Sv=2.24289v0.22571, R2=0.957
SvFor asphalt intensity corresponding with loading speed, v is the loading speed of fatigue test, R2It is equation
Related coefficient.
Cleave according to the test requirements document of " highway engineering pitch and test mixture regulation " (JTG E20-2011) tired
Labor is tested, behind the testing site for rejecting the substantial deviation curve of fatigue, asphalt splitting fatigue test knot under different loading speeds
Fruit is as shown in table 1.
Asphalt splitting fatigue test result of the table 1 based on speed related stress ratio
Test result of fatigue life in table 1 is based on speed related stress ratio to return in log-log coordinate, is intended
It is as shown in Fig. 2 to close curve, from attached drawing 2 as can be seen that the splitting fatigue performance equation N based on speed related stress ratiof=
(tv)-5.48Good linear relationship is shown in log-log coordinate system, and related coefficient is very high；And it is answered based on speed correlation
The splitting fatigue curve negotiating fatigue rupture point (1,1) of power ratio.Therefore, the curve of fatigue based on speed related stress ratio discloses
Internal relation between Strength Failure and fatigue failure.
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 (6)
1. it is a kind of evaluate asphalt splitting fatigue performance method, which is characterized in that the evaluation method specifically include as
Lower step:
Step 1: the mineral aggregate through successively sieving is dried, and asphalt mixing is added and uniformly obtains asphalt, and according to " highway
Engineering pitch and Asphalt Mixture Experiment regulation " (JTG E20-2011) test requirements document, the asphalt is rolled into
Height is 100 ± 2mm, and diameter is the laboratory test specimen of 100 ± 2mm, if being statically placed in smooth desktop after the specimen molding of laboratory
Dry day is cut into cylinder test specimen to satisfactory laboratory test specimen, spare；
Step 2: the ready cylinder test specimen of step 1 is placed in the insulating box that temperature is 15 DEG C and keeps the temperature 4-5h, is then put
On the splitting fatigue test support of multifunctional material pilot system (MTS-Landmark), and adjustment tests splitting fatigue
Pressure head starts to test with cylinder test specimen initial contact, and tests process and complete in insulating box；
Step 3: being further applied load by built-in MPT establishment operation program setting and acquisition parameter, cylinder test specimen is carried out different
Cleavage strength is tested under loading speed, and each loading speed carries out five effective parallel tests, is averaged up to not
With the cleavage strength value under loading speed；
Step 4: the intensity value of different loading speeds is obtained according to step 3, and carries out splitting fatigue test, while will cleave tired
The ratio between the stress level of a certain loading speed intensity value corresponding with loading speed identical in cleavage strength test is fixed in labor test
Justice is speed related stress ratio；
Step 5: the speed related stress ratio obtained based on step 4 establishes asphalt under the conditions of different loading speeds
Splitting fatigue performance prediction model, and find to make asphalt Strength Failure than thought using speed related stress of the invention
Unification is obtained with Fatigue Failures.
2. a kind of method for evaluating asphalt splitting fatigue performance according to claim 1, which is characterized in that described
SGC rotary compactor is selected in laboratory test material preparation, and the running parameter of the SGC rotary compactor: Vertical loading pressure is
600kPa ± 18kPa, compacting revolving speed are 30r/min ± 0.5r/min, and effective internal rotation angle is 1.16 ± 0.02 °.
3. a kind of method for evaluating asphalt splitting fatigue performance according to claim 2, which is characterized in that described
The size of cylinder test specimen: being highly 60 ± 2mm, and diameter is 100 ± 2mm, and the cylinder test specimen can be directly used for cleaving
Intensity and fatigue test.
4. a kind of method for evaluating asphalt splitting fatigue performance according to claim 1, which is characterized in that described
In step 3, the power of each loading cycle is measured automatically by data collection system, displacement deformation is measured by displacement sensor.
5. a kind of method for evaluating asphalt splitting fatigue performance according to claim 1, which is characterized in that described
In the cleavage strength test of step 3 the loading speed that selects be 5MPa/s, 10MPa/s, 20MPa/s, 30MPa/s, 40MPa/s,
50MPa/s、60MPa/s、70MPa/s。
6. a kind of method for evaluating asphalt splitting fatigue performance according to claim 1, which is characterized in that described
In the splitting fatigue test of step 4, use control model for Stress Control mode, Loaded contact analysis is half-sine wave；And test frequency
Rate is 10Hz, and test temperature is 15 DEG C.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095352A (en) * | 2019-04-24 | 2019-08-06 | 西南交通大学 | A kind of bituminous pavement interlayer performance test method and device |
| CN110501243A (en) * | 2019-09-11 | 2019-11-26 | 同济大学 | A kind of fatigue performance of asphalt mixture test method based on vehicle tracking test instrument |
| CN111239031A (en) * | 2020-01-17 | 2020-06-05 | 北京建筑大学 | Method for evaluating aging resistance of polymer mixture |
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| CN113865995A (en) * | 2021-10-25 | 2021-12-31 | 同济大学 | Method and system for evaluating medium-temperature crack resistance of asphalt mixture and storage medium |
| CN114252358A (en) * | 2021-12-22 | 2022-03-29 | 江苏镇淮建设集团有限公司 | Recycled asphalt mixture semi-circle bending fatigue testing method under double-stress repeated loading mode |
| CN116577221A (en) * | 2023-04-10 | 2023-08-11 | 湖南建工交通建设有限公司 | Asphalt mixture splitting fatigue test method for ensuring first splitting at circle center |
| CN117077247A (en) * | 2023-07-05 | 2023-11-17 | 华南理工大学 | Prediction method for fatigue cracking resistance of high-mixing-amount regenerated asphalt mixture |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973734A (en) * | 2016-05-11 | 2016-09-28 | 哈尔滨工业大学 | MTS loading based fatigue testing method of asphalt mixture |
| CN106706422A (en) * | 2016-11-17 | 2017-05-24 | 长沙理工大学 | Method and device for synchronously testing tension, compression and split resilience moduli of pavement material |
| CN107014706A (en) * | 2017-04-11 | 2017-08-04 | 北京市政路桥建材集团有限公司 | The base joint grouting glue low temperature and fatigue behaviour evaluation method of a kind of bituminous paving |
| CN107677547A (en) * | 2017-09-06 | 2018-02-09 | 中国航发北京航空材料研究院 | Fatigue, creep and the characterizing method in exhaustion creep interaction unified life-span of material |
| JP2018141703A (en) * | 2017-02-28 | 2018-09-13 | 三菱重工業株式会社 | Fatigue intensity estimation method |
| CN108956286A (en) * | 2018-05-03 | 2018-12-07 | 长沙理工大学 | The method for normalizing of asphalt fatigue properties under a kind of different stress |
-
2019
- 2019-01-26 CN CN201910076531.1A patent/CN109580362A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973734A (en) * | 2016-05-11 | 2016-09-28 | 哈尔滨工业大学 | MTS loading based fatigue testing method of asphalt mixture |
| CN106706422A (en) * | 2016-11-17 | 2017-05-24 | 长沙理工大学 | Method and device for synchronously testing tension, compression and split resilience moduli of pavement material |
| JP2018141703A (en) * | 2017-02-28 | 2018-09-13 | 三菱重工業株式会社 | Fatigue intensity estimation method |
| CN107014706A (en) * | 2017-04-11 | 2017-08-04 | 北京市政路桥建材集团有限公司 | The base joint grouting glue low temperature and fatigue behaviour evaluation method of a kind of bituminous paving |
| CN107677547A (en) * | 2017-09-06 | 2018-02-09 | 中国航发北京航空材料研究院 | Fatigue, creep and the characterizing method in exhaustion creep interaction unified life-span of material |
| CN108956286A (en) * | 2018-05-03 | 2018-12-07 | 长沙理工大学 | The method for normalizing of asphalt fatigue properties under a kind of different stress |
Non-Patent Citations (1)
| Title |
|---|
| 吕松涛: "考虑加载速度影响的沥青混合料疲劳方程", 《工程力学》 * |
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| CN116577221A (en) * | 2023-04-10 | 2023-08-11 | 湖南建工交通建设有限公司 | Asphalt mixture splitting fatigue test method for ensuring first splitting at circle center |
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