CN107748106A - A kind of asphalt stretches dynamic modulus method of testing - Google Patents
A kind of asphalt stretches dynamic modulus method of testing Download PDFInfo
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- CN107748106A CN107748106A CN201710924344.5A CN201710924344A CN107748106A CN 107748106 A CN107748106 A CN 107748106A CN 201710924344 A CN201710924344 A CN 201710924344A CN 107748106 A CN107748106 A CN 107748106A
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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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 asphalt to stretch dynamic analog method for measurement, the asphalt cylinder test specimen upper and lower end difference gluing of preparation is fixed upper and lower metab by this method, lower metab is fixed on loading equipemtn, upper metab is connected with Metal loading bar, in the middle part of the side table of asphalt cylinder test specimen, circumferentially equidistant 3 displacement transducers of positioned vertical；Sine wave or haversine ripple axial tension stress are applied to test specimen by Metal loading bar under defined test temperature and frequency；In loading procedure, corresponding axial tension stress and axial stretching strain are gathered, calculates dynamic modulus.The present invention determines the dynamic modulus characteristic of asphalt under uniaxial direct tensile force modes, be advantageous to mechanical response characteristic that is more preferable, more fully evaluating asphalt, checking computations, which are analyzed, for bituminous paving Mechanics Calculation and fatigue cracking establishes experimental basis, and this method is easy to operate, data are reliable, are easy to promote the use of.
Description
Technical field
The invention belongs to road engineering technical field, and in particular to a kind of test side of asphalt stretching dynamic modulus
Method.
Background technology
The modulus of asphalt is an important materials parameter of bituminous pavement design and mechanical analysis, due to dynamic analog
Amount more conforms to mechanical response state of the asphalt under Driving Loading compared to static modulus, at present in world's model
Enclose the input pointer that interior dynamic modulus is just progressively substituting static modulus to turn into bituminous pavement design.China's new edition《Highway work
Journey pitch and Asphalt Mixture Experiment code》With reference to the reference U.S. AASHTO TP62-03 and ASTM in (JTG E20-2011)
The dynamic modulus code test such as D3497, and China's actual tests situation is combined, write " asphalt uniaxial compression dynamic
Modulus test " (T0738-2011), for determining the uniaxial compression dynamic modulus in the online viscoelastic range of asphalt.Newly
Promulgate《Bituminous pavement design for highway specification》(JTG D50-2017) makees the uniaxial compression dynamic modulus of asphalt
Static modulus is instead of for material design parameters.
Fatigue cracking is a kind of Major Diseases form of bituminous paving；Its Breakage Mechanism is that bituminous paving is made in traffic load
Larger tension (stretching strain) is produced in its basal surface position under, road surface advancing side occurs under traffic load repeated action
Microcrack simultaneously progressively develops to surface layer, eventually forms the fatigue cracking through whole bituminous paving.Checked in asphalt pavement structure
Middle fatigue life is one of important indicator, but dynamic involved by current existing Pavement Design specification and testing regulations
Morphotype amount is asphalt compression dynamic modulus.Asphalt is a kind of heterogeneous material of typical anisotropy viscoplasticity
Larger difference be present in material, its mechanical response state when being pressurized and tension state.Obviously using compression dynamic modulus as drip
The design parameter on blue or green road surface, to carrying out fatigue cracking checking computations in bituminous pavement design, there is certain limitation and irrationality.
In view of there has been no the experiment side that can have accurate and effective reflection asphalt stretching dynamic modulus characteristic at present
Method, it is therefore necessary to a kind of easy, reliable asphalt stretching dynamic modulus method of testing of exploitation, so as to be advantageous to more
Mechanical response characteristic that is good, more fully evaluating asphalt, it is bituminous paving Mechanics Calculation and fatigue cracking analysis checking computations
Establish experimental basis.
The content of the invention
It is an object of the invention to provide a kind of asphalt to stretch dynamic modulus method of testing, solves in the prior art
Can not dynamic modulus response characteristic of the effective evaluation asphalt under stretch mode deficiency, it is more preferable, more so as to be advantageous to
The mechanical response characteristic of comprehensive evaluation asphalt, analyze checking computations for bituminous paving Mechanics Calculation and fatigue cracking and establish examination
Test basis.
In order to solve the above problems, the invention provides a kind of asphalt to stretch dynamic modulus method of testing, including
Following steps：
1) asphalt mixture rotary compactor shaping asphalt test specimen is used, bitumen mixture specimen is cut by drill core
Cut and ends cutting after be fixed the asphalt cylinder test specimen of size；
2) upper and lower metab is fixed in asphalt cylinder test specimen upper and lower end difference gluing using cementitious matter；
3) take out gluing and fix the test specimen finished, lower metab is fixed on loading equipemtn, upper metab center
It is connected with Metal loading bar；
4) in the middle part of the side surface of asphalt cylinder test specimen, there are several displacement sensings by equidistant positioned vertical
Device；
5) sine wave or haversine ripple axle are applied to test specimen by Metal loading bar under defined test temperature and frequency
To tension, axial tension stress amplitude is in the line viscoelastic range of asphalt, and corresponding plastic strain amplitude is in 30-
Between 90 μ ε；
6) in loading procedure, the corresponding axial tension stress of continuous acquisition and axial stretching strain, stretching Dong morphotype Liang ∣ are calculated
E*∣；
Wherein axial stress amplitude σ0, corresponding axial stretching strain amplitude ε0。
Gluing is fixed to the cylindrical specimen finished before the step 4) and is placed on the environmental cabinet inside holding of test temperature extremely
It is few 5 hours.
It is clear with water after polishing using the upper and lower end face of sand paper polishing asphalt cylinder test specimen before the gluing
Test specimen end face is washed, ventilation is dried
The abrasive material material of the sand paper is 80~120 mesh Brown Alundums, and the polishing time of the upper and lower end face of test specimen is respectively 1 minute.
After the asphalt cylinder test specimen of the step 3) is fixed with upper and lower metab gluing, three's axial line
Centering overlaps.
Asphalt cylinder test specimen after Metal loading bar and the gluing fixation of the step 4), both axle center
Line centering overlaps.
The cementitious matter is high intensity modified acroleic acid fat glue.
The loading equipemtn is UTM testing machines, MTS testing machines, AMPT testing machines.
The asphalt test mixture part size of the gyratory compaction molding of the step 1) is：Diameter 150mm, height
Asphalt cylinder test specimen size is after 180mm, drill core and ends cutting：Diameter 100mm, height 150mm.
Step 5) the displacement transducer has three, and its vertical survey gauge length is 70mm, and both ends are away from test specimen end face
40mm, angle is 120 ° between adjacent displacement transducer.
The displacement sensor measurement range of the step 5) is not less than 1mm, and resolution ratio is not less than 0.1 μm, and error is not more than 1 μm.
Beneficial effect：
Asphalt provided by the invention stretches dynamic modulus method of testing, by cementitious matter in asphalt cylinder
Body test specimen two ends gluing fixes upper and lower metab, and lower metab is fixed, and upper metab is connected with load bar.Test specimen with
Load bar is overlapped by axial line centering to eliminate test specimen eccentric tension, so that it is guaranteed that accurately, reliably measure pitch mixes
Expect the stretching dynamic modulus in online viscoelastic range.This method has filled up asphalt stretching dynamic modulus method of testing
Blank, so as to be advantageous to mechanical response characteristic that is more preferable, more fully evaluating asphalt, be bituminous paving Mechanics Calculation and
Experimental basis is established in fatigue cracking analysis checking computations, and this method is easy to operate, and data are reliable, are easy to promote the use of.
Brief description of the drawings
Fig. 1 is the dynamic tensile modulus test device of asphalt
1-Metal loading bar；2-go up metab；3-displacement transducer；4-asphalt cylinder test specimen；5—
Lower metab.
Embodiment
For a better understanding of the present invention, with reference to embodiment and the accompanying drawing content that the present invention is furture elucidated, but this
The content of invention is not limited solely to case study on implementation.
A kind of asphalt stretching dynamic modulus method of testing provided by the invention, is comprised the steps of：
Step 1：Using asphalt mixture rotary compactor shaping asphalt test specimen, after drill core and ends cutting
It is fixed the asphalt cylinder test specimen of size；
Step 2：Using the upper and lower end face of sand paper polishing asphalt cylinder test specimen, examination is cleaned with water after polishing
Part end face, ventilation are dried；Polish test specimen end face, in order to ensure end face planarization and roughness, improve test specimen end face and glue
Cohesive force.
Step 3：Using cementitious matter upper and lower metal bottom is fixed in asphalt cylinder test specimen upper and lower end difference gluing
Seat；
Step 4：The environmental cabinet inside holding at least 5 that the cylindrical specimen that gluing fixation finishes is placed on to targeted test temperature is small
When；
Step 5：Take out gluing and fix the test specimen finished, lower metab is fixed on loading equipemtn, upper metab
Center is connected with Metal loading bar；
Step 6：In the middle part of the side of asphalt cylinder test specimen, circumferentially equidistant 3 displacements of positioned vertical pass
Sensor；
Step 7：Sine wave or haversine ripple axle are applied to test specimen by load bar under defined test temperature and frequency
To tension；
Step 8：In loading procedure, the corresponding axial tension stress of continuous acquisition and axial stretching strain, dynamic modulus is calculated.
The asphalt test mixture part size of the gyratory compaction molding is：Diameter 150mm, height 180mm, bore
Asphalt cylinder test specimen size is after core and ends cutting：Diameter 100mm, height 150mm.
The abrasive material material of the coarse sandpaper is 80~120 mesh Brown Alundums, and the polishing time of the upper and lower end face of test specimen is respectively 1 point
Clock.
After the cylinder test specimen is fixed with upper and lower metab gluing, the centering of three's axial line overlaps.
Asphalt cylinder test specimen after the Metal loading bar and gluing fixation, both axial line centering weights
Close.
The displacement sensor measurement range is not less than 1mm, and resolution ratio is not less than 0.1 μm, and error is not more than 1 μm.
The axial tension stress amplitude is in the line viscoelastic range of asphalt, and corresponding plastic strain amplitude is 30
Between~90 μ ε.
The preparation of 1 test specimen
From 30# high-modulus, 70# is common and SBS is modified three kinds of asphalts, its corresponding grading, pitch species, oil
When the Stock allotment right such as voidage refers to table 1 to stone.Asphalt mixture rotary compactor is used in laboratory, by three kinds of pitches
Mixture Ratio parameter, 4 a diameter of 150mm, height 180mm bitumen mixture specimen are molded respectively.After being first molded
Gyratory compaction test specimen carry out drill core obtain diameter 100mm, high 180mm test specimen；15mm is respectively cut off in test specimen two ends face, is obtained
Diameter 100mm, high 150mm cylinder test specimen.Whether horizontal detect two end faces of test specimen, and it is axially whether vertical with test specimen；
When vertical missing is more than 0.5 °, this test specimen is discarded.
The Stock allotment right of 1 three kinds of asphalts of table
Polish 2 test specimen end faces
From 80~120 mesh Brown Alundum coarse sandpapers, each 1 minute of polishing asphalt cylinder test specimen upper and lower side, water is used
Test specimen end face is cleaned, ventilation is dried standby.The excessively smooth shortage texture structure of asphalt cylindrical end face after cutting, no
Beneficial to cementitious matter gluing.After water cleaning is polished and crossed to asphalt cylindrical end face by 80~120 mesh coarse sandpapers, be advantageous to
Improve its planarization and cleanliness factor, improve test specimen end grain structural property and roughness, so as to ensure test specimen and cementitious matter
Cohesive force.
The gluing of 3 test specimens is fixed
High intensity modified acroleic acid fat glue is uniformly smeared in asphalt cylinder test specimen upper and lower end, and is quickly bonded
Fixed upper and lower metab；And the centering of three's axial line overlaps.Its intensity is far high after high intensity modified acroleic acid fat glue consolidation
In asphalt intensity, to ensure that test specimen and metab gluing are good during experiment, do not fall off destruction.
The insulation of 4 test specimens
Gluing is fixed into the environmental cabinet inside holding 5 hours that the cylindrical specimen that finishes is placed on 20 DEG C of targeted test temperature, protected
Card test specimen internal temperature reaches target temperature and keeps stable.
The installation of 5 test specimens
Take out gluing and fix the test specimen finished, lower metab is fixed on loading equipemtn UTM (Universal Test
Machine) on testing machine, upper metab center is connected with UTM testing machine Metal loading bars；UTM testing machine Metal loading bars
Both asphalt cylinder test specimens axial line centering after being fixed with gluing overlaps, with ensure test specimen it is not eccentric by
Draw.
The arrangement of 6 displacement transducers
In the middle part of the side of asphalt cylinder test specimen, circumferentially equidistant 3 displacement transducers of positioned vertical are (i.e.
Each two is at a distance of 120 °)；Displacement transducer gauge length is 70mm, and its both ends is 40mm away from test specimen end face.Displacement sensor measurement range
For 1mm, precision is 0.1 μm, and error is 1 μm.
7 dynamic modulus are tested
Test temperature is 20 DEG C, and respectively with frequency 25,10,5,1,0.5 and 0.1Hz, test specimen is applied by Metal loading bar
Add sine wave or haversine ripple axial tension stress.Axial tension stress amplitude is in the line viscoelastic range of asphalt, institute
Corresponding plastic strain amplitude is between 30~90 μ ε.
8 dynamic modulus calculate
In loading procedure, corresponding axial tension stress and axial direction drawing should at different frequencies for continuous acquisition asphalt
Become, stretching Dong morphotype Liang ∣ E*∣ is axial stress amplitude σ0And corresponding axial stretching strain amplitude ε0Ratio：
Method according to the present invention is modified three kinds of AC20 asphalts to 30# high-modulus, common 70# and SBS and drawn
Stretch dynamic modulus experiment, stretching dynamic modulus of three kinds of asphalts at 20 DEG C under different frequency and compression dynamic modulus pair
It is shown in Table 2- tables 4 respectively than result.It is obvious poor that its stretching dynamic modulus value of the visible different types of asphalt of result of the test has
Not, test method of the present invention can effectively distinguish the stretch modulus characteristic of different pitches compound.In addition, three kinds of asphalts
Stretching dynamic modulus with compression dynamic modulus significant difference numerically be present, it is seen that using the inventive method carry out pitch mix
The stretching dynamic modulus experiment of material is closed, is had to further accurate, thoroughly evaluating asphalt mechanical response characteristic research
Significance.
The 30#-AC20 High Modulus Asphalt Mixtures of table 2 stretch and compression dynamic modulus comparing result (20 DEG C)
| Frequency/Hz | 25 | 10 | 5 | 1 | 0.5 | 0.1 |
| Axially actual measurement tensile stress sigma0/Kpa | 1274 | 1083 | 981 | 699 | 614 | 382 |
| Axially actual measurement stretching strain ε0/με | 61.2 | 59.4 | 60.3 | 59.6 | 61.3 | 61.1 |
| Stretch Dong morphotype Liang ∣ E*∣/Mpa | 20819 | 18238 | 16269 | 11727 | 10016 | 6244 |
| Resistance to compression Dong morphotype Liang ∣ E*∣/Mpa | 24532 | 21335 | 19831 | 14879 | 12357 | 8762 |
The 70#-AC20 plain asphalts compound of table 3 stretches and compression dynamic modulus comparing result (20 DEG C)
Table 3SBS-AC20 modified asphalt mixtures stretch and compression dynamic modulus comparing result (20 DEG C)
| Frequency/Hz | 25 | 10 | 5 | 1 | 0.5 | 0.1 |
| Axially actual measurement tensile stress sigma0/Kpa | 746 | 613 | 510 | 289 | 226 | 119 |
| Axially actual measurement stretching strain ε0/με | 58.7 | 59.7 | 60.1 | 59.8 | 60.4 | 60.3 |
| Stretch Dong morphotype Liang ∣ E*∣/Mpa | 12712 | 10267 | 8486 | 4840 | 3738 | 1976 |
| Resistance to compression Dong morphotype Liang ∣ E*∣/Mpa | 16254 | 13499 | 11365 | 7081 | 5241 | 2674 |
Specific case used herein is set forth and illustrated to present principles and operating process, and above example is said
It is bright to be only intended to help the core concept and method for illustrating the present invention.It should be pointed out that for the technical staff of this professional domain,
Under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification
Fall into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of asphalt stretches dynamic modulus method of testing, comprise the following steps：
1) use asphalt mixture rotary compactor shaping asphalt test specimen, bitumen mixture specimen cut by drill core and
The asphalt cylinder test specimen of size is fixed after ends cutting；
2) upper and lower metab is fixed in asphalt cylinder test specimen upper and lower end difference gluing using cementitious matter；
3) take out gluing and fix the test specimen finished, lower metab is fixed on loading equipemtn, upper metab center and gold
Category load bar is connected；
4) in the middle part of the side surface of asphalt cylinder test specimen, there are several displacement transducers by equidistant positioned vertical；
5) apply sine wave or haversine ripple to test specimen by Metal loading bar under defined test temperature and frequency axially to draw
Stress, axial tension stress amplitude are in the line viscoelastic range of asphalt, and corresponding plastic strain amplitude is in 30-90 μ ε
Between；
6) in loading procedure, the corresponding axial tension stress of continuous acquisition and axial stretching strain, stretching Dong morphotype Liang ∣ E are calculated*∣；
Wherein axial stress amplitude is σ0, corresponding axial stretching strain amplitude is ε0。
2. according to the method for claim 1, gluing is fixed to the cylindrical specimen finished before the step 4) is placed on examination
Test the environmental cabinet inside holding of temperature at least 5 hours.
It is 3. according to the method for claim 1, upper and lower using sand paper polishing asphalt cylinder test specimen before the gluing
End face, test specimen end face is cleaned after polishing with water, and ventilation is dried.
4. according to the method for claim 3, the abrasive material material of the sand paper is 80~120 mesh Brown Alundums, test specimen upper and lower end
The polishing time in face is respectively 1 minute.
5. according to the method for claim 1, the asphalt cylinder test specimen of the step 3) and upper and lower metab
After gluing is fixed, the centering of three's axial line overlaps.
The pitch after 6. according to the method for claim 5, the Metal loading bar of the step 4) is fixed with gluing mixes
Material cylinder test specimen is closed, both axial line centerings overlap.
7. according to the method for claim 5, the cementitious matter is high intensity modified acroleic acid fat glue.
8. according to the method for claim 1, the asphalt test mixture of the gyratory compaction molding of the step 1)
Part size is：Diameter 150mm, height 180mm, asphalt cylinder test specimen size is after drill core and ends cutting：Diameter
100mm, height 150mm.
9. according to the method for claim 1, the step 4) displacement transducer has three, its vertical survey gauge length is
70mm, both ends are 40mm away from test specimen end face, and angle is 120 ° between adjacent displacement transducer.
10. according to the method for claim 6, the displacement sensor measurement range of the step 4) is not less than 1mm, resolution ratio is not low
In 0.1 μm, error is not more than 1 μm.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801738A (en) * | 2018-07-20 | 2018-11-13 | 武汉理工大学 | Impact analysis method of the humidity to Dynamic Modulus of Asphalt Mixture |
| CN109470565A (en) * | 2018-11-29 | 2019-03-15 | 交通运输部公路科学研究所 | A kind of test method of asphalt dynamic Poisson's ratio |
| CN110031309A (en) * | 2019-05-13 | 2019-07-19 | 中国路桥工程有限责任公司 | A kind of stabilized with inorganic binder material uniaxial direct tensile strength test method |
| CN110057678A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder material direct tensile test device |
| CN110057672A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder MATERIALS ' DYNAMIC uniaxial direct tensile modulus of resilience test method |
| CN110057674A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder material static uniaxial direct tensile modulus of resilience test method |
| CN110057673A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder material uniaxial direct tensile Modulus Test Method |
| CN110174308A (en) * | 2019-06-10 | 2019-08-27 | 交通运输部公路科学研究所 | A kind of synchronous detecting method of asphalt dynamic tensile, compression modulus and Poisson's ratio |
| CN110658079A (en) * | 2019-09-18 | 2020-01-07 | 浙江大学 | Indoor characterization method of asphalt surface layer under multiple environment gradient coupling |
| CN110686969A (en) * | 2019-04-03 | 2020-01-14 | 东南大学 | Method for testing dynamic modulus of asphalt mixture in semicircular bending loading mode |
| CN112326421A (en) * | 2020-09-28 | 2021-02-05 | 山东省交通科学研究院 | Dynamic modulus test method for asphalt mixture |
| CN117634227A (en) * | 2024-01-25 | 2024-03-01 | 佛山市交通科技有限公司 | Method, equipment and medium for predicting tensile-compression fatigue characteristics of reclaimed asphalt mixture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494950A (en) * | 2011-11-24 | 2012-06-13 | 长安大学 | Method for testing dynamic modulus of asphalt concrete and device thereof |
| CN202330170U (en) * | 2011-11-24 | 2012-07-11 | 长安大学 | Test equipment of bituminous concrete dynamic moduli |
| CN102628780A (en) * | 2012-03-29 | 2012-08-08 | 长沙理工大学 | Asphalt mixture viscoelastic property test method based on wheel load instrument |
| CN103323350A (en) * | 2013-05-20 | 2013-09-25 | 东南大学 | Asphalt mixture dynamic modulus testing method |
| CN104819895A (en) * | 2015-05-07 | 2015-08-05 | 南京交通职业技术学院 | Asphalt mixed material tensile dynamic modulus test device |
| CN105203414A (en) * | 2015-09-24 | 2015-12-30 | 长沙理工大学 | Testing method for dynamic modulus of bituminous mixture |
-
2017
- 2017-09-30 CN CN201710924344.5A patent/CN107748106A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494950A (en) * | 2011-11-24 | 2012-06-13 | 长安大学 | Method for testing dynamic modulus of asphalt concrete and device thereof |
| CN202330170U (en) * | 2011-11-24 | 2012-07-11 | 长安大学 | Test equipment of bituminous concrete dynamic moduli |
| CN102628780A (en) * | 2012-03-29 | 2012-08-08 | 长沙理工大学 | Asphalt mixture viscoelastic property test method based on wheel load instrument |
| CN103323350A (en) * | 2013-05-20 | 2013-09-25 | 东南大学 | Asphalt mixture dynamic modulus testing method |
| CN104819895A (en) * | 2015-05-07 | 2015-08-05 | 南京交通职业技术学院 | Asphalt mixed material tensile dynamic modulus test device |
| CN105203414A (en) * | 2015-09-24 | 2015-12-30 | 长沙理工大学 | Testing method for dynamic modulus of bituminous mixture |
Non-Patent Citations (3)
| Title |
|---|
| 张金升 等: "《沥青及沥青混合料实验教程》", 31 January 2015, 第342-346页 * |
| 李帅: "不同受力模式下沥青混合料变形与破坏特性特征研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 王洋洋: "基于沥青路面力学相应沥青混合料疲劳性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (18)
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| CN108801738B (en) * | 2018-07-20 | 2020-11-24 | 武汉理工大学 | Method for analyzing influence of humidity on dynamic modulus of asphalt mixture |
| CN108801738A (en) * | 2018-07-20 | 2018-11-13 | 武汉理工大学 | Impact analysis method of the humidity to Dynamic Modulus of Asphalt Mixture |
| CN109470565A (en) * | 2018-11-29 | 2019-03-15 | 交通运输部公路科学研究所 | A kind of test method of asphalt dynamic Poisson's ratio |
| CN109470565B (en) * | 2018-11-29 | 2021-04-23 | 交通运输部公路科学研究所 | Method for testing dynamic Poisson's ratio of asphalt mixture |
| CN110686969A (en) * | 2019-04-03 | 2020-01-14 | 东南大学 | Method for testing dynamic modulus of asphalt mixture in semicircular bending loading mode |
| CN110057672A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder MATERIALS ' DYNAMIC uniaxial direct tensile modulus of resilience test method |
| CN110057673A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder material uniaxial direct tensile Modulus Test Method |
| CN110057674A (en) * | 2019-05-13 | 2019-07-26 | 交通运输部公路科学研究所 | A kind of stabilized with inorganic binder material static uniaxial direct tensile modulus of resilience test method |
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| CN110057673B (en) * | 2019-05-13 | 2021-07-23 | 交通运输部公路科学研究所 | Method for testing direct tensile modulus of inorganic binder stable material |
| CN110057678B (en) * | 2019-05-13 | 2024-01-23 | 交通运输部公路科学研究所 | Direct tensile test device for inorganic binder stabilizing material |
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| CN110658079A (en) * | 2019-09-18 | 2020-01-07 | 浙江大学 | Indoor characterization method of asphalt surface layer under multiple environment gradient coupling |
| CN110658079B (en) * | 2019-09-18 | 2024-04-05 | 浙江大学 | Indoor characterization method of asphalt surface layer under multiple environment gradient coupling |
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